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Podcast title BacterioFiles
Website URL https://www.asm.org/index.php/...
Description The podcast for microbe lovers: reporting on exciting news about bacteria, archaea, and sometimes even eukaryotic microbes and viruses.
Updated Wed, 25 Apr 2018 21:12:51 +0000
Image BacterioFiles
Category Science & Medicine
Education
News & Politics
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Episodes

1. BacterioFiles 336 - Phages Fortify Friendly Fighters
http://traffic.libsyn.com/bact... download (audio/mpeg, 12.94Mb)

Description:

This episode: Phage therapy can work very well when combined with an effective immune response from the host!

Download Episode (12.9 MB, 14.1 minutes)

Show notes:
Microbe of the episode: Gammapapillomavirus 8

News item about "nightmare bacteria"

Journal Paper:
Roach DR, Leung CY, Henry M, Morello E, Singh D, Di Santo JP, Weitz JS, Debarbieux L. 2017. Synergy between the Host Immune System and Bacteriophage Is Essential for Successful Phage Therapy against an Acute Respiratory Pathogen. Cell Host Microbe 22:38-47.e4.

Other interesting stories:

 

Email questions or comments to bacteriofiles at gmail dot com. Thanks for listening!

Subscribe: Apple Podcasts, RSS, Google Play. Support the show at Patreon, or check out the show at Twitter or Facebook



2. BacterioFiles 335 - Purported Paraprobiotic Potential
http://traffic.libsyn.com/bact... download (audio/mpeg, 11.57Mb)

Description:

This episode: Paraprobiotics, or killed probiotic bacteria, are studied for health effects, but results and study design are questionable!

Download Episode (11.5 MB, 12.6 minutes)

Show notes:
Microbe of the episode: Phlox virus S

Journal Paper:
Nishida K, Sawada D, Kawai T, Kuwano Y, Fujiwara S, Rokutan K. 2017. Para-psychobiotic Lactobacillus gasseri CP2305 ameliorates stress-related symptoms and sleep quality. J Appl Microbiol 123:1561–1570.

Other interesting stories:

 

Email questions or comments to bacteriofiles at gmail dot com. Thanks for listening!

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3. BacterioFiles 334 - Measuring Mycelial Moth Muncher Management
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.16Mb)

Description:

This episode: Figuring out the best way to study the spread of a fungus that kills an invasive tree-eating caterpillar pest!

Download Episode (8.2 MB, 8.9 minutes)

Show notes:
Microbe of the episode: Pasteurella aerogenes

News item

Journal Paper:
Bittner TD, Hajek AE, Liebhold AM, Thistle H. 2017. Modification of a Pollen Trap Design To Capture Airborne Conidia of Entomophaga maimaiga and Detection of Conidia by Quantitative PCR. Appl Environ Microbiol 83:e00724-17.

Other interesting stories:

 

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4. BacterioFiles 333 - Transposons Take Targeting Tool
http://traffic.libsyn.com/bact... download (audio/mpeg, 10.78Mb)

Description:

This episode: Certain transposons, genetic elements that move around the genome on their own, have co-opted the bacterial immune system, CRISPR, to use for jumping to new hosts!

Thanks to Dr. Joseph Peters for his contribution!

Download Episode (10.7 MB, 11.75 minutes)

Show notes:
Microbe of the episode: Streptomyces yokosukanensis

Journal Paper:
Peters JE, Makarova KS, Shmakov S, Koonin EV. 2017. Recruitment of CRISPR-Cas systems by Tn7-like transposons. Proc Natl Acad Sci 114:E7358–E7366.

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5. BacterioFiles 332 - Moth Minors Missing Microbes
http://traffic.libsyn.com/bact... download (audio/mpeg, 14.00Mb)

Description:

This episode: Unlike most animals, caterpillars don't seem to have a resident gut microbe to help them in various ways!

Thanks to Tobin Hammer for his contribution!

Download Episode (14 MB, 15.3 minutes)

Show notes:
Microbe of the episode: Borrelia graingeri

News item

Journal Paper:
Hammer TJ, Janzen DH, Hallwachs W, Jaffe SP, Fierer N. 2017. Caterpillars lack a resident gut microbiome. Proc Natl Acad Sci 114:9641–9646.

Other interesting stories:

 

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6. BacterioFiles 331 - Password Protein Poisons Pairings
http://traffic.libsyn.com/bact... download (audio/mpeg, 12.47Mb)

Description:

This episode: How social bacteria societies function: by sharing enzyme packages with each other that can contain toxins that are deadly for rivals but not for friends!

Thanks to Chris Vasallo for his contribution!

Download Episode (12.4 MB, 13.6 minutes)

Show notes:
Microbe of the episode: Propionibacterium virus PAD20

News item

Journal Paper:
Vassallo CN, Cao P, Conklin A, Finkelstein H, Hayes CS, Wall D. 2017. Infectious polymorphic toxins delivered by outer membrane exchange discriminate kin in myxobacteria. eLife 6:e29397.

Other interesting stories:

 

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7. BacterioFiles 330 - Polar Plasmid Produces Particles
http://traffic.libsyn.com/bact... download (audio/mpeg, 17.77Mb)

Description:

This episode: A plasmid discovered in Antarctic archaea can create virus-like particles, membrane vesicles, and transfer itself to new hosts!

Thanks to Rick Cavicchioli for his contribution.

Download Episode (17.7 MB, 19.4 minutes)

Show notes:
Microbe of the episode: Hypomicrogaster canadensis bracovirus

News item

Journal Paper:
Erdmann S, Tschitschko B, Zhong L, Raftery MJ, Cavicchioli R. 2017. A plasmid from an Antarctic haloarchaeon uses specialized membrane vesicles to disseminate and infect plasmid-free cells. Nat Microbiol 2:1446.

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8. BacterioFiles 329 - Special Secreting Structure Studied
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.78Mb)

Description:

This episode: New type of secretion system discovered that bacteria use to stab amoeba predators to escape their digestion!

Download Episode (7.8 MB, 8.5 minutes)

Show notes:
Microbe of the episode: Avastrovirus 1

News item

Journal Paper:
Böck D, Medeiros JM, Tsao H-F, Penz T, Weiss GL, Aistleitner K, Horn M, Pilhofer M. 2017. In situ architecture, function, and evolution of a contractile injection system. Science 357:713–717.

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9. BacterioFiles 328 - Focused Phages Fight Films
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.57Mb)

Description:

This episode: Phages bound to magnetic nanoparticles can be guided and pulled toward their target, penetrating biofilms to kill harmful microbes!

Download Episode (9.6 MB, 10.4 minutes)

Show notes:
Microbe of the episode: Veillonella alcalescens

News item

Journal Paper:
Li L-L, Yu P, Wang X, Yu S-S, Mathieu J, Yu H-Q, Alvarez PJJ. 2017. Enhanced biofilm penetration for microbial control by polyvalent phages conjugated with magnetic colloidal nanoparticle clusters (CNCs). Environ Sci Nano 4:1817–1826.

Other interesting stories:

 

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10. BacterioFiles 327 - Microbe Metabolite Meliorates Malaise
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.99Mb)

Description:

This episode: Gut microbes in mice break down plant foods and produce molecules that stimulate the immune system to resist influenza!

Thanks to Drs. Ashley Steed and Thaddeus Stappenbeck for their contributions!

Download Episode (9 MB, 9.8 minutes)

Show notes:
Microbe of the episode: Bougainvillea chlorotic vein banding virus

News item

Journal Paper:
Steed AL, Christophi GP, Kaiko GE, Sun L, Goodwin VM, Jain U, Esaulova E, Artyomov MN, Morales DJ, Holtzman MJ, Boon ACM, Lenschow DJ, Stappenbeck TS. 2017. The microbial metabolite desaminotyrosine protects from influenza through type I interferon. Science 357:498–502.

Other interesting stories:

 

Email questions or comments to bacteriofiles at gmail dot com. Thanks for listening!

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11. BacterioFiles 326 - Ciliate Symbionts Selected Separately
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.76Mb)

Description:

This episode: Learning about endosymbionts by comparing bacteria living inside eukaryotes to their free-living cousins!

Thanks to Dr. Vittorio Boscaro for his contribution!

Download Episode (9.7 MB, 10.6 minutes)

Show notes:
Microbe of the episode: Ancalochloris perfilievii

Journal Paper:
Boscaro V, Kolisko M, Felletti M, Vannini C, Lynn DH, Keeling PJ. 2017. Parallel genome reduction in symbionts descended from closely related free-living bacteria. Nat Ecol Evol 1:1160.

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12. BacterioFiles 325 - Moisture Mobilizes Mycelium Multiples
http://traffic.libsyn.com/bact... download (audio/mpeg, 6.74Mb)

Description:

This episode: Figuring out how mushrooms launch their spores out using a trick of water surface tension!

Download Episode (6.7 MB, 7.3 minutes)

Show notes:
Microbe of the episode: Carrot torradovirus 1

News item

Video of artificial "spore" launching

Journal Paper:
Liu F, Chavez RL, Patek SN, Pringle A, Feng JJ, Chen C-H. 2017. Asymmetric drop coalescence launches fungal ballistospores with directionality. J R Soc Interface 14:20170083.

Other interesting stories:

 

Email questions or comments to bacteriofiles at gmail dot com. Thanks for listening!

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13. BacterioFiles 324 - Prokaryote Prefers Poorer Power
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.12Mb)

Description:

This episode: Hot spring archaea prefer to use elements that give them less energy even when more energetic options are available!

Download Episode (8.1 MB, 8.8 minutes)

Show notes:
Microbe of the episode: Vitreoscilla beggiatoides

News item

Journal Paper:
Amenabar MJ, Shock EL, Roden EE, Peters JW, Boyd ES. 2017. Microbial substrate preference dictated by energy demand rather than supply. Nat Geosci 10:577–581.

Other interesting stories:

 

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14. BacterioFiles 323 - Clostridium Capturing Carbon with Walter Sandoval
http://traffic.libsyn.com/bact... download (audio/mpeg, 37.02Mb)

Description:

This episode: I talk with Dr. Walter Sandoval-Espinola, a researcher from Paraguay, now a postdoc at Harvard, about his discovery that biofuel-producing bacteria Clostridium beijerinckii can also transform CO2 and carbon monoxide into biofuels!

Download Episode (37 MB, 40.4 minutes)

Show notes:
News item en español

Find Walter on Twitter or LinkedIn

Journal Paper:
Sandoval-Espinola WJ, Chinn MS, Thon MR, Bruno-Bárcena JM. 2017. Evidence of mixotrophic carbon-capture by n-butanol-producer Clostridium beijerinckii. Sci Rep 7:12759.

Other interesting stories:

 

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15. BacterioFiles 322 - Parents' Partners Protect Plants
http://traffic.libsyn.com/bact... download (audio/mpeg, 10.34Mb)

Description:

Happy New Year! This episode: Fungal endophytes transferred from healthy adult plant leaf litter help baby cacao plants resist disease!

Thanks to Dr. Natalie Christian for her contribution!

Download Episode (10.3 MB, 11.25 minutes)

Show notes:
Microbe of the episode: Lactobacillus virus Lb338-1

News item
Hear a CBC interview with Dr. Christian about this research

Journal Paper:
Christian N, Herre EA, Mejia LC, Clay K. 2017. Exposure to the leaf litter microbiome of healthy adults protects seedlings from pathogen damage. Proc R Soc B 284:20170641.

Other interesting stories:

 

Email questions or comments to bacteriofiles at gmail dot com. Thanks for listening!

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16. BacterioFiles 321 - Escherichia Extends elegans Existence
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.88Mb)

Description:

This episode: Bacteria with various gene knockouts help roundworms live longer and with less disease!

Download Episode (9.9 MB, 10.75 minutes)

Show notes:
News item

Journal Paper:
Han B, Sivaramakrishnan P, Lin C-CJ, Neve IAA, He J, Tay LWR, Sowa JN, Sizovs A, Du G, Wang J, Herman C, Wang MC. 2017. Microbial Genetic Composition Tunes Host Longevity. Cell 169:1249–1262.e13.

Other interesting stories:

 

Email questions or comments to bacteriofiles at gmail dot com. Thanks for listening!

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17. BacterioFiles 320 - Fortified Fungi Fight Fevers
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.78Mb)

Description:

This episode: Fungi modified to produce spider and scorpion toxins kill malaria-transmitting mosquitoes extra fast!

Thanks to Brian Lovett for his contribution.

Download Episode (7.8 MB, 8.5 minutes)

Show notes:
Microbe of the episode: Microbispora parva

News item

Journal Paper:
Bilgo E, Lovett B, Fang W, Bende N, King GF, Diabate A, Leger RJS. 2017. Improved efficacy of an arthropod toxin expressing fungus against insecticide-resistant malaria-vector mosquitoes. Sci Rep 7:3433.

Other interesting stories:

 

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18. BacterioFiles 319 - Mycelial Moisture Magnanimity
http://traffic.libsyn.com/bact... download (audio/mpeg, 10.45Mb)

Description:

This episode: Filament network-forming organisms like fungi can transfer nutrients and moisture to bacteria in harsher conditions!

Download Episode (10.4 MB, 11.4 minutes)

Show notes:
Microbe of the episode: Desulfuromonas acetoxidans

News item

Journal Paper:
Worrich A, Stryhanyuk H, Musat N, König S, Banitz T, Centler F, Frank K, Thullner M, Harms H, Richnow H-H, Miltner A, Kästner M, Wick LY. 2017. Mycelium-mediated transfer of water and nutrients stimulates bacterial activity in dry and oligotrophic environments. Nat Commun 8:ncomms15472.

Other interesting stories:

 

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19. BacterioFiles 318 - Killers Controlling Coral Contamination
http://traffic.libsyn.com/bact... download (audio/mpeg, 12.82Mb)

Description:

This episode: Bacteria that prey on other bacteria could help keep corals healthy! Thanks to Rory Welsh for his contribution.

Download Episode (12.8 MB, 14 minutes)

Show notes:
Microbe of the episode: Latino mammarenavirus

Journal Paper:
Welsh RM, Rosales SM, Zaneveld JR, Payet JP, McMinds R, Hubbs SL, Thurber RLV. 2017. Alien vs. predator: bacterial challenge alters coral microbiomes unless controlled by Halobacteriovorax predators. PeerJ 5:e3315.

Other interesting stories:

 

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20. BacterioFiles 317 - Mosquito Microbe Movement
http://traffic.libsyn.com/bact... download (audio/mpeg, 11.35Mb)

Description:

This episode: Studying how Wolbachia bacteria spread through a mosquito population helps efforts to use them to prevent the spread of Dengue! Thanks to Tom Schmidt for his contribution.

Download Episode (11.3 MB, 12.4 minutes)

Show notes:
Microbe of the episode: Heterosigma akashiwo virus 01

News item

Journal Paper:
Schmidt TL, Barton NH, Rašić G, Turley AP, Montgomery BL, Iturbe-Ormaetxe I, Cook PE, Ryan PA, Ritchie SA, Hoffmann AA, O’Neill SL, Turelli M. 2017. Local introduction and heterogeneous spatial spread of dengue-suppressing Wolbachia through an urban population of Aedes aegypti. PLOS Biol 15:e2001894.

Other interesting stories:

 

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21. BacterioFiles 316 - Studying Sizeable Special Synthetases
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.71Mb)

Description:

This episode: Scientists study how fungi make interesting peptides using large proteins instead of ribosomes.

Download Episode (8.7 MB, 9.5 minutes)

Show notes:
Microbe of the episode: Nerine virus X

News item

Journal Paper:
Yu D, Xu F, Zhang S, Zhan J. 2017. Decoding and reprogramming fungal iterative nonribosomal peptide synthetases. Nat Commun 8:ncomms15349.

Other interesting stories:

 

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22. BacterioFiles 315 - Probiotics Prevent Protein Plaques
http://traffic.libsyn.com/bact... download (audio/mpeg, 11.88Mb)

Description:

This episode: In mice genetically modified to have Alzheimer's-like disease, giving probiotics reduced their degeneration!

Download Episode (11.8 MB, 13 minutes)

Show notes:
Microbe of the episode: SARS coronavirus

Journal Paper:
Bonfili L, Cecarini V, Berardi S, Scarpona S, Suchodolski JS, Nasulti C, Fiorini D, Boarelli MC, Rossi G, Eleuteri AM. 2017. Microbiota modulation counteracts Alzheimer's disease progression influencing neuronal proteolysis and gut hormone plasma levels. Sci Rep 7:2426.

Other interesting stories:

 

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23. BacterioFiles 314 - Drosophila Dwellers Delay Deficiency
http://traffic.libsyn.com/bact... download (audio/mpeg, 14.75Mb)

Description:

This episode: Bacteria affect fruit fly behavior by reducing their need and craving for protein-rich food!

Thanks to Dr. Carlos Ribeiro for his contribution!

Download Episode (14.7 MB, 16.1 minutes)

Show notes:
News item

Ribeiro lab website - two fully-funded postdoc opportunities available

Journal Paper:
Leitão-Gonçalves R, Carvalho-Santos Z, Francisco AP, Fioreze GT, Anjos M, Baltazar C, Elias AP, Itskov PM, Piper MDW, Ribeiro C. 2017. Commensal bacteria and essential amino acids control food choice behavior and reproduction. PLOS Biol 15:e2000862.

Other interesting stories:

 

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24. BacterioFiles 313 - Colonies Correct Chloride Corrosion
http://traffic.libsyn.com/bact... download (audio/mpeg, 13.44Mb)

Description:

This episode: Bacteria could help treat corrosion to preserve ancient iron artifacts!

Thanks to Drs. Pilar Junier and Edith Joseph for their contributions!

Download Episode (13.4 MB, 14.7 minutes)

Show notes:
Journal Paper:
Comensoli L, Maillard J, Albini M, Sandoz F, Junier P, Joseph E. 2017. Use of Bacteria To Stabilize Archaeological Iron. Appl Environ Microbiol 83:e03478-16.

Other interesting stories:

 

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25. BacterioFiles 312 - Antibiotic Acts As Agreement
http://traffic.libsyn.com/bact... download (audio/mpeg, 10.05Mb)

Description:

This episode: Bacteria that produce antibiotic molecule can also use it for communication between cells!

Download Episode (10 MB, 11 minutes)

Show notes:
Microbe of the episode: Rosellinia necatrix victorivirus 1

Journal Paper:
Beyersmann PG, Tomasch J, Son K, Stocker R, Göker M, Wagner-Döbler I, Simon M, Brinkhoff T. 2017. Dual function of tropodithietic acid as antibiotic and signaling molecule in global gene regulation of the probiotic bacterium Phaeobacter inhibens. Sci Rep 7:730.

Other interesting stories:

 

Post questions or comments here or email to bacteriofiles at gmail dot com. Thanks for listening!

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26. BacterioFiles 311 - Synchronized Slimes Spread Slowly
http://traffic.libsyn.com/bact... download (audio/mpeg, 14.24Mb)

Description:

This episode: Separate groups of bacteria can each thrive better when they take turns growing instead of competing!

Thanks to Jintao Liu and Rosa Martinez-Corral for their contributions to this episode!

Download Episode (14.2 MB, 15.5 minutes)

Show notes:
Microbe of the episode: Palyam virus

News item

Journal Paper:
Liu J, Martinez-Corral R, Prindle A, Lee DD, Larkin J, Gabalda-Sagarra M, Garcia-Ojalvo J, Süel GM. 2017. Coupling between distant biofilms and emergence of nutrient time-sharing. Science 356:638–642.

Other interesting stories:

 

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27. BacterioFiles 310 - Prodigious Particles Produce Proteins
http://traffic.libsyn.com/bact... download (audio/mpeg, 11.28Mb)

Description:

This episode: Newly discovered giant viruses almost build their own replication machinery instead of using their host's!

Download Episode (11.2 MB, 12.3 minutes)

Show notes:
Microbe of the episode: Terasakiella pusilla

News item

Journal Paper:
Schulz F, Yutin N, Ivanova NN, Ortega DR, Lee TK, Vierheilig J, Daims H, Horn M, Wagner M, Jensen GJ, Kyrpides NC, Koonin EV, Woyke T. 2017. Giant viruses with an expanded complement of translation system components. Science 356:82–85.

Other interesting stories:

 

Post questions or comments here or email to bacteriofiles at gmail dot com. Thanks for listening!

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28. BacterioFiles 309 - Fungus Foils Phytophagy
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.50Mb)

Description:

This episode: Fungi living in plants could protect them from ants that cut up their leaves to feed their own fungal gardens!

Download Episode (7.5 MB, 8.2 minutes)

Show notes:
Microbe of the episode: Escherichia virus RB3

Journal Paper:
Rocha SL, Evans HC, Jorge VL, Cardoso LAO, Pereira FST, Rocha FB, Barreto RW, Hart AG, Elliot SL. 2017. Recognition of endophytic Trichoderma species by leaf-cutting ants and their potential in a Trojan-horse management strategy. R Soc Open Sci 4:160628.

Other interesting stories:

 

Post questions or comments here or email to bacteriofiles at gmail dot com. Thanks for listening!

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29. BacterioFiles 308 - Predators' Projectile Prototypes
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.24Mb)

Description:

This episode: Eukaryotic ocean microbes have surprisingly diverse and complex ballistic weapons!

Download Episode (8.2 MB, 9 minutes)

Show notes:
Microbe of the episode: Mycoplasma arginini

Cool videos of microbial weapons firing

Journal Paper:
Gavelis GS, Wakeman KC, Tillmann U, Ripken C, Mitarai S, Herranz M, Özbek S, Holstein T, Keeling PJ, Leander BS. 2017. Microbial arms race: Ballistic “nematocysts” in dinoflagellates represent a new extreme in organelle complexity. Sci Adv 3:e1602552.

Other interesting stories:

 

Post questions or comments here or email to bacteriofiles at gmail dot com. Thanks for listening!

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30. BacterioFiles 307 - Simplified Stable Soil Symbiosis
http://traffic.libsyn.com/bact... download (audio/mpeg, 12.58Mb)

Description:

This episode: A stable community of only 7 bacteria around corn roots take on similar functions to the much more diverse soil community!

Download Episode (12.5 MB, 13.75 minutes)

Show notes:
Microbe of the episode: Corynebacterium insidiosum

Journal Paper:
Niu B, Paulson JN, Zheng X, Kolter R. 2017. Simplified and representative bacterial community of maize roots. Proc Natl Acad Sci 114:E2450–E2459.

Other interesting stories:

 

Post questions or comments here or email to bacteriofiles at gmail dot com. Thanks for listening!

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31. BacterioFiles 306 - Microbes Moderate Metabolic Maladjustment
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.46Mb)

Description:

This episode: Microbes from obese mice seemed helpful in protecting other mice somewhat from an unhealthy lifestyle.

Download Episode (8.5 MB, 9.25 minutes)

Show notes:
Microbe of the episode: Streptomyces thermoviolaceus

News item

Journal Paper:
Nicolas S, Blasco‐Baque V, Fournel A, Gilleron J, Klopp P, Waget A, Ceppo F, Marlin A, Padmanabhan R, Iacovoni JS, Tercé F, Cani PD, Tanti J-F, Burcelin R, Knauf C, Cormont M, Serino M. 2017. Transfer of dysbiotic gut microbiota has beneficial effects on host liver metabolism. Mol Syst Biol 13:921.

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32. BacterioFiles 305 - Defensive Disordered Desiccation
http://traffic.libsyn.com/bact... download (audio/mpeg, 11.89Mb)

Description:

This episode: Tardigrades have an interesting way of surviving complete drying out: by producing proteins lacking a stable structure!

Download Episode (11.8 MB, 13 minutes)

Show notes:
Microbe of the episode: Chandipura vesiculovirus

News item

Journal Paper:
Boothby TC, Tapia H, Brozena AH, Piszkiewicz S, Smith AE, Giovannini I, Rebecchi L, Pielak GJ, Koshland D, Goldstein B. 2017. Tardigrades Use Intrinsically Disordered Proteins to Survive Desiccation. Mol Cell 65:975–984.e5.

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33. BacterioFiles 304 - Phages Facilitate Photosynthesis
http://traffic.libsyn.com/bact... download (audio/mpeg, 6.64Mb)

Description:

This episode: Viruses infecting cyanobacteria can produce proteins that actually help their host capture light better!

Download Episode (6.6 MB, 7.25 minutes)

Show notes:
Microbe of the episode: Pseudomonas asplenii

News item

Journal Paper:
Gasper R, Schwach J, Hartmann J, Holtkamp A, Wiethaus J, Riedel N, Hofmann E, Frankenberg-Dinkel N. 2017. Distinct Features of Cyanophage-encoded T-type Phycobiliprotein Lyase ΦCpeT: The Role of Auxiliary Metabolic Genes. J Biol Chem 292:3089–3098.

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34. BacterioFiles 303 - Sticky Skin Sows Cells
http://traffic.libsyn.com/bact... download (audio/mpeg, 11.14Mb)

Description:

This episode: Roundworms in soil can carry with them bacteria they eat to grow new food, like farmers!

Download Episode (11.1 MB, 12.15 minutes)

Show notes:
Microbe of the episode: Equid alphaherpesvirus 1

News item

Journal Paper:
Thutupalli S, Uppaluri S, Constable GWA, Levin SA, Stone HA, Tarnita CE, Brangwynne CP. 2017. Farming and public goods production in Caenorhabditis elegans populations. Proc Natl Acad Sci 114:2289–2294.

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35. BacterioFiles 302 - Message Moderates Microbe Mortality
http://traffic.libsyn.com/bact... download (audio/mpeg, 12.73Mb)

Description:

This episode: Even organisms as simple as viruses can communicate with each other!

Download Episode (12.7 MB, 13.9 minutes)

Show notes:
Microbe of the episode: Sweet potato virus C

Commentary (paywall)
Great talk about bacterial communication by Dr. Bonnie Bassler

Journal Paper:
Erez Z, Steinberger-Levy I, Shamir M, Doron S, Stokar-Avihail A, Peleg Y, Melamed S, Leavitt A, Savidor A, Albeck S, Amitai G, Sorek R. 2017. Communication between viruses guides lysis–lysogeny decisions. Nature 541:488–493.

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36. BacterioFiles 301 - Cells Simulate City Structures
http://traffic.libsyn.com/bact... download (audio/mpeg, 10.70Mb)

Description:

This episode: Ancient microbes built underwater structures that look like sunken, ancient cities!

Download Episode (10.6 MB, 11.7 minutes)

Show notes:
Microbe of the episode: Actinomadura luteofluorescens

News item 1/News item 2

Journal Paper:
Andrews JE, Stamatakis MG, Marca-Bell A, Stewart C, Millar IL. 2016. Exhumed hydrocarbon-seep authigenic carbonates from Zakynthos Island (Greece): Concretions not archaeological remains. Marine and Petroleum Geology 76:16–25.

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37. BacterioFiles 300 - Hyphae Help Horizontal (Gene Transfer)
http://traffic.libsyn.com/bact... download (audio/mpeg, 13.23Mb)

Description:

This episode: Filament-forming organisms help bacteria swim through soil and exchange genes with each other! Also, new feature: microbe of the episode!

Download Episode (13.2 MB, 14.4 minutes)

Show notes:
Microbe of the episode: Azotobacter vinelandii

News item

Video of bacteria swimming along mycelium


Full statement from Tom Berthold

Journal Paper:
Berthold T, Centler F, Hübschmann T, Remer R, Thullner M, Harms H, Wick LY. 2016. Mycelia as a focal point for horizontal gene transfer among soil bacteria. Sci Rep 6:36390.

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38. BacterioFiles 299 - Predator Pops Polymer Producers
http://traffic.libsyn.com/bact... download (audio/mpeg, 6.31Mb)

Description:

This episode: Using predatory bacteria to extract valuable bioplastics from other bacteria!

Download Episode (6.3 MB, 6.9 minutes)

Show notes:
News item

Journal Paper:
Martínez V, Herencias C, Jurkevitch E, Prieto MA. 2016. Engineering a predatory bacterium as a proficient killer agent for intracellular bio-products recovery: The case of the polyhydroxyalkanoates. Sci Rep 6:24381.

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39. BacterioFiles 298 - Bacteria Boost Bone Buildup
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.52Mb)

Description:

This episode: Gut microbes can even affect formation/remodeling of bones!

Download Episode (8.5 MB, 9.3 minutes)

Show notes:
Journal Paper:
Yan J, Herzog JW, Tsang K, Brennan CA, Bower MA, Garrett WS, Sartor BR, Aliprantis AO, Charles JF. 2016. Gut microbiota induce IGF-1 and promote bone formation and growth. Proc Natl Acad Sci 113:E7554–E7563.

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40. BacterioFiles 297 - Defenders Develop Disease Decrease
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.70Mb)

Description:

This episode: Beneficial microbes defend roundworms against a pathogen and pressure it to evolve to cause less disease!

Download Episode (7.7 MB, 8.4 minutes)

Show notes:
News item

Journal Paper:
Ford SA, Kao D, Williams D, King KC. 2016. Microbe-mediated host defence drives the evolution of reduced pathogen virulence. Nat Commun 7:13430.

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41. BacterioFiles 296 - Predator Permits Pathogen Penetration
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.08Mb)

Description:

This episode: Tiny crustaceans eat paramecia, allowing viruses to infect algae inside them!

Download Episode (9.1 MB, 9.9 minutes)

Show notes:
Follow-up to episode 259: mass-producing worm spit healing protein

News item

Journal Paper:
DeLong JP, Al-Ameeli Z, Duncan G, Etten JLV, Dunigan DD. 2016. Predators catalyze an increase in chloroviruses by foraging on the symbiotic hosts of zoochlorellae. Proc Natl Acad Sci 113:13780–13784.

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42. BacterioFiles 295 - Fly Ferries Fungus Feebleness
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.84Mb)

Description:

This episode: Fungus-eating flies transfer viruses that help make fungi less harmful to plants!

Download Episode (7.8 MB, 8.5 minutes)

Show notes:
Another example of viruses doing weird things in this fungus

Journal Paper:
Liu S, Xie J, Cheng J, Li B, Chen T, Fu Y, Li G, Wang M, Jin H, Wan H, Jiang D. 2016. Fungal DNA virus infects a mycophagous insect and utilizes it as a transmission vector. Proc Natl Acad Sci 113:12803–12808.

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43. BacterioFiles 294 - Bacteria Benefit Bad Burns
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Description:

This episode: Probiotic bacteria prevent deadly infections in mice with serious burns!

Download Episode (6.3 MB, 6.92 minutes)

Show notes:
Journal Paper:
Argenta A, Satish L, Gallo P, Liu F, Kathju S. 2016. Local Application of Probiotic Bacteria Prophylaxes against Sepsis and Death Resulting from Burn Wound Infection. PLOS ONE 11:e0165294.

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44. BacterioFiles 293 - Millet Microbe Makes Meshes
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.54Mb)

Description:

This episode: Bacteria in finger millet roots create special killing traps for damaging fungi!

Download Episode (7.5 MB, 8.25 minutes)

Show notes:
News item

Journal Paper:
Mousa WK, Shearer C, Limay-Rios V, Ettinger CL, Eisen JA, Raizada MN. 2016. Root-hair endophyte stacking in finger millet creates a physicochemical barrier to trap the fungal pathogen Fusarium graminearum. Nat Microbiol 1:16167.

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45. BacterioFiles 292 - Testing Tardigrade Tolerance Tricks
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.34Mb)

Description:

This episode: Tiny super-resistant animals, tardigrades, make proteins that can directly shield DNA from radiation!

Download Episode (7.3 MB, 8 minutes)

Show notes:
News item 1/News item 2

Journal Paper:
Hashimoto T, Horikawa DD, Saito Y, Kuwahara H, Kozuka-Hata H, Shin-I T, Minakuchi Y, Ohishi K, Motoyama A, Aizu T, Enomoto A, Kondo K, Tanaka S, Hara Y, Koshikawa S, Sagara H, Miura T, Yokobori S, Miyagawa K, Suzuki Y, Kubo T, Oyama M, Kohara Y, Fujiyama A, Arakawa K, Katayama T, Toyoda A, Kunieda T. 2016. Extremotolerant tardigrade genome and improved radiotolerance of human cultured cells by tardigrade-unique protein. Nat Commun 7:12808.

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46. BacterioFiles 291 - Pseudomonas Cyanide Supplies Seed Sustenance
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.48Mb)

Description:

This episode: Cyanide-producing bacteria help plants grow, not by harming pathogens but by freeing up nutrients!

Download Episode (8.5 MB, 9.25 minutes)

Show notes:
Journal Paper:
Rijavec T, Lapanje A. 2016. Hydrogen Cyanide in the Rhizosphere: Not Suppressing Plant Pathogens, but Rather Regulating Availability of Phosphate. Front Microbiol 7

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47. BacterioFiles 290 - Lichens' Little Lodgers
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.16Mb)

Description:

I'm back! This episode: Lichens, long known to be a partnership between fungi and algae, now discovered to have an important third member!

Download Episode (8.1 MB, 8.9 minutes)

Show notes:
News item

Journal Paper:
Spribille T, Tuovinen V, Resl P, Vanderpool D, Wolinski H, Aime MC, Schneider K, Stabentheiner E, Toome-Heller M, Thor G, Mayrhofer H, Johannesson H, McCutcheon JP. 2016. Basidiomycete yeasts in the cortex of ascomycete macrolichens. Science 353:488–492.

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48. BacterioFiles Special - Novozymes' Nathan Cude
http://traffic.libsyn.com/bact... download (audio/mpeg, 14.12Mb)

Description:

This episode: An interview with Dr. Nathan Cude, team leader at Novozymes BioAg Alliance, working on finding and bringing to market soil microbes that can help crops grow!

Download Episode (14.1 MB, 15.4 minutes)

Show notes:
Novozymes
BioAg Alliance
Nathan Cude on Twitter and LinkedIn

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49. BacterioFiles 289 - Prehistoric Paired Prokaryote Partners
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.13Mb)

Description:

This episode: Great apes' specific gut microbe communities have been with us for millions of years!

Download Episode (9.1 MB, 10 minutes)

Show notes:
News item 1/News item 2

Journal Paper:
Moeller AH, Caro-Quintero A, Mjungu D, Georgiev AV, Lonsdorf EV, Muller MN, Pusey AE, Peeters M, Hahn BH, Ochman H. 2016. Cospeciation of gut microbiota with hominids. Science 353:380–382.

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50. BacterioFiles 288 - Caulobacter's Copper Coping Capabilities
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.89Mb)

Description:

This episode: Some bacterial species use multiple strategies within a single population to deal with environmental challenges!

Download Episode (8.9 MB, 9.7 minutes)

Show notes:
Journal Paper:
Lawarée E, Gillet S, Louis G, Tilquin F, Blastier SL, Cambier P, Matroule J-Y. 2016. Caulobacter crescentus intrinsic dimorphism provides a prompt bimodal response to copper stress. Nat Microbiol 1:16098.

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51. BacterioFiles 287 - Producing Potent Pathogen Prophylaxes
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.22Mb)

Description:

This episode: Polymer-coated bacteria make really good vaccines!

Download Episode (9.2 MB, 10 minutes)

Show notes:
News item

Journal Paper:
Li Y, Beitelshees M, Fang L, Hill A, Ahmadi MK, Chen M, Davidson BA, Knight P, Smith RJ, Andreadis ST, Hakansson AP, Jones CH, Pfeifer BA. 2016. In situ pneumococcal vaccine production and delivery through a hybrid biological-biomaterial vector. Sci Adv 2:e1600264.

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52. BacterioFiles 286 - Prokaryote Prevents Pregnancy Pathogen
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.12Mb)

Description:

This episode: Bacteria in mosquito cells can block transmission of Zika virus!

Download Episode (8.1 MB, 8.9 minutes)

Show notes:
News item

Journal Paper:
Aliota MT, Peinado SA, Velez ID, Osorio JE. 2016. The wMel strain of Wolbachia Reduces Transmission of Zika virus by Aedes aegypti. Sci Rep 6:28792.

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53. BacterioFiles 285 - Sultry Snow Cell Sun Screen
http://traffic.libsyn.com/bact... download (audio/mpeg, 6.82Mb)

Description:

This episode: Algae growing in Arctic snow make red pigments that heat up their surroundings!

Download Episode (6.8 MB, 7.5 minutes)

Show notes:
News item

Journal Paper:
Lutz S, Anesio AM, Raiswell R, Edwards A, Newton RJ, Gill F, Benning LG. 2016. The biogeography of red snow microbiomes and their role in melting arctic glaciers. Nat Commun 7:11968.

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54. BacterioFiles 284 - Remedies Reduce Recipient Rejection
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.60Mb)

Description:

This episode: Modifying mice's microbial communities increased mouse survival before a transplantation was rejected by their immune system!

Download Episode (9.6 MB, 10.5 minutes)

Show notes:
News item

Journal Paper:
Lei YM, Chen L, Wang Y, Stefka AT, Molinero LL, Theriault B, Aquino-Michaels K, Sivan AS, Nagler CR, Gajewski TF, Chong AS, Bartman C, Alegre M-L. 2016. The composition of the microbiota modulates allograft rejection. J Clin Invest 126:2736–2744.

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55. BacterioFiles 283 - Phages Furnish Photosynthetic Fortifications
http://traffic.libsyn.com/bact... download (audio/mpeg, 6.79Mb)

Description:

This episode: Viruses infecting photosynthetic bacteria could transfer immunity to other viruses between their hosts!

Download Episode (6.8 MB, 7.4 minutes)

Show notes:
News item

Journal Paper:
Chénard C, Wirth JF, Suttle CA. 2016. Viruses Infecting a Freshwater Filamentous Cyanobacterium (Nostoc sp.) Encode a Functional CRISPR Array and a Proteobacterial DNA Polymerase B. mBio 7:e00667-16.

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56. BacterioFiles 282 - Mycobacteria Make Mice Mellow
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.80Mb)

Description:

This episode: Vaccinating mice with heat-killed soil bacteria reduced their stressed behavior and inflammation!

Download Episode (9.8 MB, 10.7 minutes)

Show notes:
Journal Paper:
Reber SO, Siebler PH, Donner NC, Morton JT, Smith DG, Kopelman JM, Lowe KR, Wheeler KJ, Fox JH, Hassell JE, Greenwood BN, Jansch C, Lechner A, Schmidt D, Uschold-Schmidt N, Füchsl AM, Langgartner D, Walker FR, Hale MW, Perez GL, Treuren WV, González A, Halweg-Edwards AL, Fleshner M, Raison CL, Rook GA, Peddada SD, Knight R, Lowry CA. 2016. Immunization with a heat-killed preparation of the environmental bacterium Mycobacterium vaccae promotes stress resilience in mice. Proc Natl Acad Sci 113:E3130–E3139.

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57. BacterioFiles 281 - Prokaryote Partners Produce Plastic
http://traffic.libsyn.com/bact... download (audio/mpeg, 12.09Mb)

Description:

This episode: Microbes with complementary abilities help each other grow and produce useful stuff from the air!

Download Episode (12 MB, 13.2 minutes)

Show notes:
Journal Paper:
Smith MJ, Francis MB. 2016. A designed A. vinelandii-S. elongatus coculture for chemical photoproduction from air, water, phosphate and trace metals. ACS Synth Biol 5:955–961.

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58. BacterioFiles 280 - Saccharomyces Smash Small Spaces
http://traffic.libsyn.com/bact... download (audio/mpeg, 5.46Mb)

Description:

This episode: Microbes in tight spaces grow so much they can build up pressure and burst out!

Download Episode (5.5 MB, 6 minutes)

Show notes:
News item

Video: cells expanding walls of chamber
Video: cells squished together
Video: cells bursting out of chamber

Journal Paper:
Delarue M, Hartung J, Schreck C, Gniewek P, Hu L, Herminghaus S, Hallatschek O. 2016. Self-driven jamming in growing microbial populations. Nat Phys 12:762–766.

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59. BacterioFiles 279 - Hijacker Heightened Hyphal Heterogeneity
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.90Mb)

Description:

This episode: Fungi control their cell's growth and division with a protein from a virus, unlike all other kinds of eukaryote!

Download Episode (8.9 MB, 9.75 minutes)

Show notes:
News item

Journal Paper:
Medina EM, Turner JJ, Gordân R, Skotheim JM, Buchler NE. 2016. Punctuated evolution and transitional hybrid network in an ancestral cell cycle of fungi. eLife 5:e09492.

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60. BacterioFiles 278 - Fungal Family Friends and Foes
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.07Mb)

Description:

This episode: Some fungi change from making plants sick to being helpful to plants! How do plants react to them?

Download Episode (8.1 MB, 8.8 minutes)

Show notes:
News item

Journal Paper:
Hacquard S, Kracher B, Hiruma K, Münch PC, Garrido-Oter R, Thon MR, Weimann A, Damm U, Dallery J-F, Hainaut M, Henrissat B, Lespinet O, Sacristán S, Themaat EVL van, Kemen E, McHardy AC, Schulze-Lefert P, O’Connell RJ. 2016. Survival trade-offs in plant roots during colonization by closely related beneficial and pathogenic fungi. Nat Commun 7:11362.

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61. BacterioFiles 277 - Sailor Cells Store Selenium
http://traffic.libsyn.com/bact... download (audio/mpeg, 6.13Mb)

Description:

This episode: Bacteria with their own magnetic compass can also clean up and recover toxic but valuable elements!

Download Episode (6.1 MB, 6.7 minutes)

Show notes:
News item

Journal Paper:
Tanaka M, Knowles W, Brown R, Hondow N, Arakaki A, Baldwin S, Staniland S, Matsunaga T. 2016. Biomagnetic Recovery and Bioaccumulation of Selenium Granules in Magnetotactic Bacteria. Appl Environ Microbiol 82:3886–3891.

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62. BacterioFiles 276 - Single-cell Slime School
http://traffic.libsyn.com/bact... download (audio/mpeg, 8.80Mb)

Description:

This episode: Individual slime molds show the ability to learn about their environment!

Download Episode (8.8 MB, 9.6 minutes)

Show notes:
News item

Journal Paper:
Boisseau RP, Vogel D, Dussutour A. 2016. Habituation in non-neural organisms: evidence from slime moulds. Proc R Soc B 283:20160446.

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63. BacterioFiles 275 - Building Bacterial Batteries
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.46Mb)

Description:

This episode: Scientists build a battery out of microbes and electrodes that can store and release electricity repeatedly!

Download Episode (7.5 MB, 8.1 minutes)

Show notes:
News item

Interesting articles about anaerobic digesters
Journal Paper:
Molenaar SD, Mol AR, Sleutels THJA, ter Heijne A, Buisman CJN. 2016. Microbial Rechargeable Battery: Energy Storage and Recovery through Acetate. Environ Sci Technol Lett 3:144–149.

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64. BacterioFiles 274 - Proteobacteria Purify Piscine Pee
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.40Mb)

Description:

This episode: Bacteria in the gills of fish help break down their metabolic wastes before they reach toxic levels!

Download Episode (9 MB, 9.8 minutes)

Show notes:
News item

Journal Paper:
van Kessel MAHJ, Mesman RJ, Arshad A, Metz JR, Spanings FAT, van Dalen SCM, van Niftrik L, Flik G, Wendelaar Bonga SE, Jetten MSM, Klaren PHM, Op den Camp HJM. 2016. Branchial nitrogen cycle symbionts can remove ammonia in fish gills. Environ Microbiol Rep 8:590–594.

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65. BacterioFiles 273 - Bottle-Biting Bacteria
http://traffic.libsyn.com/bact... download (audio/mpeg, 6.45Mb)

Description:

This episode: Newly discovered bacteria can break down especially long-lived type of plastic!

Download Episode (6.4 MB, 7 minutes)

Show notes:
News item 1/News item 2 (loginwall)

Journal Paper:
Yoshida S, Hiraga K, Takehana T, Taniguchi I, Yamaji H, Maeda Y, Toyohara K, Miyamoto K, Kimura Y, Oda K. 2016. A bacterium that degrades and assimilates poly(ethylene terephthalate). Science 351:1196–1199.

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66. BacterioFiles 272 - Parasite Prevents Pollution Poisoning
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.88Mb)

Description:

This episode: Worm parasites infecting brine shrimp help them survive better in arsenic-polluted environments!

Download Episode (7.9 MB, 8.6 minutes)

Show notes:
News item

Journal Paper:
Sánchez MI, Pons I, Martínez-Haro M, Taggart MA, Lenormand T, Green AJ. 2016. When Parasites Are Good for Health: Cestode Parasitism Increases Resistance to Arsenic in Brine Shrimps. PLOS Pathog 12:e1005459.

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67. BacterioFiles 271 - Dictyostelium Delivers DNA Deathtraps
http://traffic.libsyn.com/bact... download (audio/mpeg, 11.22Mb)

Description:

This episode: Slime molds have special cells that capture and kill bacteria using traps made of DNA!

Download Episode (11.2 MB, 12.25 minutes)

Show notes:
Follow-up study from ep 255 group related to this study

Link to Audiommunity episode about Neutrophil Extracellular Traps

Journal Paper:
Zhang X, Zhuchenko O, Kuspa A, Soldati T. 2016. Social amoebae trap and kill bacteria by casting DNA nets. Nat Commun 7:10938.

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68. BacterioFiles 270 - Bacteria Block Bug Babies
http://traffic.libsyn.com/bact... download (audio/mpeg, 13.34Mb)

Description:

This episode: Insect gut microbes can be engineered to act as birth control, population control, or disease control for bugs!

Download Episode (13.3 MB, 14.5 minutes)

Show notes:
News item

This Week in Parasitism episode about Trypanosoma
Unedited statement about this paper from Professor Dyson

Journal Paper:
Whitten MMA, Facey PD, Sol RD, Fernández-Martínez LT, Evans MC, Mitchell JJ, Bodger OG, Dyson PJ. 2016. Symbiont-mediated RNA interference in insects. Proc R Soc B 283:20160042.

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69. BacterioFiles 269 - Magnetic Microbes Maim MRSA
http://traffic.libsyn.com/bact... download (audio/mpeg, 10.66Mb)

Description:

This episode: Killing pathogens by attaching magnetotactic bacteria to them and then raising the heat with magnetic fields!

Download Episode (10.6 MB, 11.6 minutes)

Show notes:
News item

Journal Paper:
Chen C, Chen L, Yi Y, Chen C, Wu L-F, Song T. 2016. Killing of Staphylococcus aureus via Magnetic Hyperthermia Mediated by Magnetotactic Bacteria. Appl Environ Microbiol 82:2219–2226.

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70. BacterioFiles 268 - Sophisticated Cyanobacterium Sight
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.74Mb)

Description:

This episode: Spherical cyanobacterium Synechocystis acts like a tiny eyeball in sensing light, allowing cells to move closer to light sources!

Download Episode (9.7 MB, 10.6 minutes)

Show notes:
News item

Video 1: Synechocystis cells moving toward light sources
Video 2: Synechocystis cells avoiding point of bright light on surface

Journal Paper:
Schuergers N, Lenn T, Kampmann R, Meissner MV, Esteves T, Temerinac-Ott M, Korvink JG, Lowe AR, Mullineaux CW, Wilde A. 2016. Cyanobacteria use micro-optics to sense light direction. eLife 5:e12620.

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71. BacterioFiles 267 - Crust Color Cooks Communities
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Description:

This episode: Cyanobacteria in biocrusts produce pigments that heat their surroundings up to 10 degrees hotter!

Download Episode (7 MB, 7.6 minutes)

Show notes:
News item

Journal Paper:
Couradeau E, Karaoz U, Lim HC, Nunes da Rocha U, Northen T, Brodie E, Garcia-Pichel F. 2016. Bacteria increase arid-land soil surface temperature through the production of sunscreens. Nat Commun 7:10373.

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72. BacterioFiles 266 - Solar Cyborg Cells Capture Carbon
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.73Mb)

Description:

This episode: Adding exotic elements to convert spore-forming bacteria into light-capturing cyborgs that convert carbon dioxide into useful chemicals!

Download Episode (9.7 MB, 10.5 minutes)

Show notes:
News item 1/News item 2

Journal Paper:
Sakimoto KK, Wong AB, Yang P. 2016. Self-photosensitization of nonphotosynthetic bacteria for solar-to-chemical production. Science 351:74–77.

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73. BacterioFiles 265 - Predator Protein Protects Predator
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.28Mb)

Description:

This episode: Predatory bacteria have a particular protein that protects them from their own prey-damaging enzymes!

Download Episode (7.3 MB, 7.9 minutes)

Show notes:
News item

Journal Paper:
Lambert C, Cadby IT, Till R, Bui NK, Lerner TR, Hughes WS, Lee DJ, Alderwick LJ, Vollmer W, Sockett RE, Lovering AL. 2015. Ankyrin-mediated self-protection during cell invasion by the bacterial predator Bdellovibrio bacteriovorus. Nat Commun 6:8884.

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74. BacterioFiles 264 - Small Cells Stimulate Satiety
http://traffic.libsyn.com/bact... download (audio/mpeg, 7.69Mb)

Description:

This episode: Proteins from gut bacteria seems to affect hunger and satiety in their (rodent) hosts!

Download Episode (7.7 MB, 8.3 minutes)

Show notes:
News item 1/News item 2

Journal Paper:
Breton J, Tennoune N, Lucas N, Francois M, Legrand R, Jacquemot J, Goichon A, Guérin C, Peltier J, Pestel-Caron M, Chan P, Vaudry D, do Rego J-C, Liénard F, Pénicaud L, Fioramonti X, Ebenezer IS, Hökfelt T, Déchelotte P, Fetissov SO. 2016. Gut Commensal E. coli Proteins Activate Host Satiety Pathways following Nutrient-Induced Bacterial Growth. Cell Metab 23:324–334.

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75. BacterioFiles 263 - Germ Jettisoned Jellyfish Genes
http://www.microbeworld.org/po... download (audio/mpeg, 7.66Mb)

Description:

This episode: Microscopic parasites of fish and worms actually came from jellyfish-like animals, after losing most of their genome!

Download Episode (7.7 MB, 8.3 minutes)

Show notes:
News item

Journal Paper:
Chang ES, Neuhof M, Rubinstein ND, Diamant A, Philippe H, Huchon D, Cartwright P. 2015. Genomic insights into the evolutionary origin of Myxozoa within Cnidaria. Proc Natl Acad Sci 112:14912–14917.

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76. BacterioFiles 262 - Pathogen Polyketide Protects and Punishes
http://www.microbeworld.org/po... download (audio/mpeg, 12.43Mb)

Description:

This episode: Clostridium bacteria that infect potatoes can both kill competitors and tolerate oxygen, thanks to the pink compounds they produce!

Download Episode (12.4 MB, 13.5 minutes)

Show notes:
Journal Paper:
Shabuer G, Ishida K, Pidot SJ, Roth M, Dahse H-M, Hertweck C. 2015. Plant pathogenic anaerobic bacteria use aromatic polyketides to access aerobic territory. Science 350:670–674.

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77. BacterioFiles 261 - Pilfered Parasitoid Proteins Protect Prey
http://www.microbeworld.org/po... download (audio/mpeg, 13.86Mb)

Description:

This episode: Viruses domesticated by parasitoid wasps have transferred wasp genes to caterpillar victims, allowing them to survive deadly infections from other viruses! This means that Monarch butterflies are effectively naturally Genetically Modified Organisms (GMOs).

Download Episode (13.8 MB, 15 minutes)

Show notes:
News item

Journal Paper:
Gasmi L, Boulain H, Gauthier J, Hua-Van A, Musset K, Jakubowska AK, Aury J-M, Volkoff A-N, Huguet E, Herrero S, Drezen J-M. 2015. Recurrent Domestication by Lepidoptera of Genes from Their Parasites Mediated by Bracoviruses. PLOS Genet 11:e1005470.

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78. BacterioFiles 260 - Endoriftia Evacuate Expired Employers
http://www.microbeworld.org/po... download (audio/mpeg, 9.05Mb)

Description:

This episode: Bacteria in hydrothermal vents that feed their host tubeworms evacuate when their hosts perish!

Download Episode (9 MB, 9.8 minutes)

Show notes:
Journal Paper:
Klose J, Polz MF, Wagner M, Schimak MP, Gollner S, Bright M. 2015. Endosymbionts escape dead hydrothermal vent tubeworms to enrich the free-living population. Proc Natl Acad Sci 112:11300–11305.

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79. BacterioFiles 259 - Fluke Froth Fosters Fester Fixing
http://www.microbeworld.org/po... download (audio/mpeg, 13.44Mb)

Description:

This episode: I converse with Dr. Michael Smout about a liver fluke parasite could help heal chronic wounds more quickly!

Download Episode (13.4 MB, 14.6 minutes)

Show notes:
News item

Journal Paper:
Smout MJ, Sotillo J, Laha T, Papatpremsiri A, Rinaldi G, Pimenta RN, Chan LY, Johnson MS, Turnbull L, Whitchurch CB, Giacomin PR, Moran CS, Golledge J, Daly N, Sripa B, Mulvenna JP, Brindley PJ, Loukas A. 2015. Carcinogenic Parasite Secretes Growth Factor That Accelerates Wound Healing and Potentially Promotes Neoplasia. PLOS Pathog 11:e1005209.

Michael Smout's research portfolio
Winning presentation about this research on FameLab
The Australian Institute of Tropical Health & Medicine

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80. BacterioFiles 258 - Transformed Toxin Translocates Treatments
http://www.microbeworld.org/po... download (audio/mpeg, 11.11Mb)

Description:

This episode: Bacterial toxins could be modified to deliver life-saving proteins into neurons!

Download Episode (11.1 MB, 12.1 minutes)

Show notes:
Journal Paper:
Chen C, Przedpelski A, Tepp WH, Pellett S, Johnson EA, Barbieri JT. 2015. Heat-Labile Enterotoxin IIa, a Platform To Deliver Heterologous Proteins into Neurons. mBio 6:e00734-15.

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81. BacterioFiles 257 - Phage Fibers Fight Phyllosphere Foes
http://traffic.libsyn.com/bact... download (audio/mpeg, 9.06Mb)

Description:

This episode: Bacteria have repeatedly captured and used the tails of phages to fight each other!

Download Episode (9 MB, 9.8 minutes)

Show notes:
Journal Paper:
Hockett KL, Renner T, Baltrus DA. 2015. Independent Co-Option of a Tailed Bacteriophage into a Killing Complex in Pseudomonas. mBio 6:e00452-15.

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Thumbnail image: Cultures of Pseudomonas syringae van Hall taken from bean halo blight colonies. By: Howard F. Schwartz, The Bugwood Network at the University of Georgia and the USDA Forest Service.

 



82. BacterioFiles 256 - Virus Versus Virus
http://www.microbeworld.org/po... download (audio/mpeg, 8.06Mb)

Description:

This episode: Viruses can cause host cells to inhibit other viruses!

Download Episode (8 MB, 8.75 minutes)

Show notes:
Journal Paper:
Chiba S, Suzuki N. 2015. Highly activated RNA silencing via strong induction of dicer by one virus can interfere with the replication of an unrelated virus. Proc Natl Acad Sci 112:E4911–E4918.

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83. BacterioFiles 255 - Colonizer Controls Carrier Cultivation
http://www.microbeworld.org/po... download (audio/mpeg, 12.46Mb)

Description:

This episode: Some bacteria seem to cause slime mold amoebas to carry around other bacteria for food!

Download Episode (12.4 MB, 13.5 minutes)

Show notes:
News item

Journal Paper:
DiSalvo S, Haselkorn TS, Bashir U, Jimenez D, Brock DA, Queller DC, Strassmann JE. 2015. Burkholderia bacteria infectiously induce the proto-farming symbiosis of Dictyostelium amoebae and food bacteria. Proc Natl Acad Sci 112:E5029–E5037.

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84. BacterioFiles 254 - Clostridium Consolidates Combustibles Conversion
http://www.microbeworld.org/po... download (audio/mpeg, 13.94Mb)

Description:

This episode: Engineering bacteria to convert cellulose directly into useful biofuels and chemicals can be tricky!

Download Episode (13.9 MB, 15.2 minutes)

Show notes:
News item

Journal Paper:
Lin PP, Mi L, Morioka AH, Yoshino KM, Konishi S, Xu SC, Papanek BA, Riley LA, Guss AM, Liao JC. 2015. Consolidated bioprocessing of cellulose to isobutanol using Clostridium thermocellum. Metab Eng 31:44–52.

Other interesting stories:

Cute photosynthetic protist could do interesting metabolic processes Using advanced technique to link antibiotic production to specific beewolf microbes Termite gut protist has bacterial symbiont that fixes carbon and nitrogen (paper) Geography and household members influence fungi and bacteria of home dust Probiotic ineffective at preventing colonization by drug-resistant pathogens

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85. BacterioFiles 253 - Probiotics Promote Protective Pathway
http://www.microbeworld.org/po... download (audio/mpeg, 8.20Mb)

Description:

This episode: In mice and fruit flies, Lactobacillus species induce gut cells to protect themselves from reactive oxygen compounds!

Download Episode (8.2 MB, 8.9 minutes)

Show notes:
News item

Journal Paper:
Jones, R. M. et al. Lactobacilli Modulate Epithelial Cytoprotection through the Nrf2 Pathway. Cell Reports 12, 1217–1225 (2015).

Other interesting stories:

Gut microbes in mice help prevent development of diabetes Bacteria could degrade nicotine to help people quit smoking Even dead probiotic bacteria protect nematodes against pathogens (paper) Discovery of TNT-degrading yeast for bioremediation Engineered yeast can produce opioids

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86. BacterioFiles 252 - Small Cells Supervise Circadian Cycles
http://www.microbeworld.org/po... download (audio/mpeg, 8.62Mb)

Description:

This episode: In mice, high-fat diets affect their gut microbes, which in turn disrupts their circadian cycles and metabolic health!

Download Episode (8.6 MB, 9.35 minutes)

Show notes:
News item/Journal Paper
Other related news item/paper

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87. BacterioFiles 251 - Mycophagous Myrmicinae Mutualist Microbes
http://www.microbeworld.org/po... download (audio/mpeg, 10.63Mb)

Description:

This episode: Gut bacteria seem to help ants with very restrictive diets flourish more!

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Show notes:
Journal Paper

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88. BacterioFiles 250 - Bacteria Boost Berry Borer Beetle Babies
http://www.microbeworld.org/po... download (audio/mpeg, 6.88Mb)

Description:

This episode: Gut bacteria make it possible for coffee berry borer beetles to live entirely on caffeine-rich food!

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Show notes:
News item/Journal Paper

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89. BacterioFiles 249 - Spores Survive Spaceship Scorching
http://www.microbeworld.org/po... download (audio/mpeg, 10.79Mb)

Description:

This episode: Bacterial spores can survive atmospheric entry on an artificial meteorite!

Download Episode (10.7 MB, 11.25 minutes)

Show notes:
Journal Paper

Other interesting stories:

Fermenting chocolate with domesticated yeasts could make it better than natural fermentation Bacteria could control robot body in fairly complex behaviors (podcast) Plants' hormones affect the microbial communities around their roots Ocean microbes make clouds that reflect extra sunlight Emphasizing the importance of microbes in the soil

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Thumbnail image: A colony of thermophiles in the outflow of Mickey Hot Springs, Oregon, the water temperature is approximately 60 °C (140 °F). By: Wiki user: Amateria1121



90. BacterioFiles 248 - Tiny Travelers Transport Toxin Trashers
http://www.microbeworld.org/po... download (audio/mpeg, 14.21Mb)

Description:

This episode: Bacteria that swarm around in groups carry other bacteria with them that can be helpful for degrading toxins!

Download Episode (14.2 MB, 15.5 minutes)

Show notes:
Journal Paper/Explanatory video

Other interesting stories:

Bacterium can help biofuel-producing algae grow better (paper) Super-tolerant yeasts found in high volcanic place in super-dry desert (paper) Bacteria living in even non-legume plants (like rice) could fix nitrogen for their host Algae are becoming more popular as alternative protein in food Microbiome resistance to C. difficile infection depends on many bacteria together

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91. BacterioFiles 247 - Animalcule Acetate Ameliorates Asthma
http://www.microbeworld.org/po... download (audio/mpeg, 12.15Mb)

Description:

This episode: Feeding mice high-fiber diets reduces their risk of allergic airway disease, even across generations!

Download Episode (12.1 MB, 13.2 minutes)

Show notes:
Journal Paper

Other interesting stories:

Challenging bacteria with other bacteria can help for discovering useful chemicals they produce Bacteria's CRISPR systems can affect their own genome structure (paper) Observing bacterial communities to sense pollution in the environment (paper) Fruit fly bacteria reduce aggression and fighting among males Bacterial nanoparticles can enhance x-rays

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92. BacterioFiles 246 - Prowling Protist Predator Packs
http://www.microbeworld.org/po... download (audio/mpeg, 10.57Mb)

Description:

This episode: Amoebas in soil gang up on and eat much larger roundworms!

Download Episode (10.5 MB, 11.3 minutes)

Show notes:
Journal Paper
Video of amoebas eating worm
Discussion on This Week in Microbiology

Other interesting stories:

Fungi living inside plants produce potential anticancer compound (paper) Local bacteria help protect and nurture crops in Nigeria (paper) Squished bacteria grow as pancake-shaped cells (paper) Bacteria living in fungi that help plants have many genes taken from their hosts (paper) Engineering yeast that produce opiates cheaply

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93. BacterioFiles 245 - Plant Prokaryotes Produce Protective Plaques
http://www.microbeworld.org/po... download (audio/mpeg, 10.17Mb)

Description:

This episode: Bacteria around rice roots help protect plants from arsenic toxicity!

Download Episode (10.1 MB, 11 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Effect on gut microbes is important for benefits from fiber in diet (paper) Which aspects of nose bacterial community affect Staphylococcus colonization? (paper) Bacteria passing electrons to each other might help natural gas production (paper) Gut microbes permit insects to eat new kinds of food There's more than just bacteria and fungi (and plants and animals) in the soil

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94. BacterioFiles 244 - Rabbit Viruses Exploding Cancer
http://www.microbeworld.org/po... download (audio/mpeg, 39.30Mb)

Description:

This episode: A conversation with Audiommunity hosts about a rabbit virus that may help treat cancer while preventing the treatment from killing the patient!

Download Episode (39.2 MB, 42.9 minutes)

Show notes:
News item/Journal Paper
Audiommunity podcast
Unedited version of this episode

Other interesting stories:

Microbes could be useful in cleaning radioactive waste Finding algae in glacial ice on mountains Peru Soil bacteria inhibit carcinogen production by fungi (paper) Birds carry around many kinds of plant bacteria Thinking of leaf-cutter ant fungus gardens as biotech fermentations (paper) Making Azotobacter mutants that can produce fertilizer for other organisms (paper)

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95. BacterioFiles 243 - Fungal Friends Facilitate Phytoextraction (feat. Cat Adams)
http://www.microbeworld.org/po... download (audio/mpeg, 14.68Mb)

Description:

This episode: A conversation with Cat Adams about how fungi help plants clean up toxic zinc nanoparticles in soil!

Download Episode (14.6 MB, 16 minutes)

Show notes:
Journal Paper
About Cat Adams: Blog/Twitter
The Unconscious Bias Project (Twitter)

Other interesting stories:

Microbes could be useful in cleaning radioactive waste Loaded bacteria deliver antibiotic straight to target through immune system (paper) Bacterial interactions help marine algae grow Engineered luminescent probiotics could help detect cancer Bacteria could save bats from deadly fungus

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96. BacterioFiles 242 - Corporeal Communities Create Characterizing Codes
http://www.microbeworld.org/po... download (audio/mpeg, 11.33Mb)

Description:

This episode: Features of the microbial communities of people's bodies could be used to identify individuals!

Download Episode (11.3 MB, 12.3 minutes)

Show notes:
Commentary/Journal Paper

Other interesting stories:

Gut bacteria and gut cancer relate in confusing ways More about how giant Mimivirus infects its host Even seemingly helpful microbes may become harmful in certain contexts (paywall) Microbes in sewage seem to rebuild drugs that treatment plants try to remove Microbes could help keep water clean

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97. BacterioFiles 241 - Colon Colonizers Control Cancer Combat
http://www.microbeworld.org/po... download (audio/mpeg, 10.75Mb)

Description:

I'm back!

This episode: Gut microbes enhance the effectiveness of cancer therapies!

Download Episode (10.7 MB, 11.7 minutes)

Show notes:
News item 1/News item 2/Journal Paper 1/Journal paper 2

Other interesting stories:

Microbiome an important link between diet and colon cancer Viruses can be helpful more often than we realize Fungus breaks down plant matter and makes jet fuel Engineering E. coli for better exploration of other species' genetic potential It's possible our food might be too clean

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98. BacterioFiles 240 - Water Worms Make (carbon) Monoxide Meals
http://www.microbeworld.org/po... download (audio/mpeg, 11.16Mb)

Description:

Reminder: this is the last episode for at least a few weeks while I am wrapping up my PhD. See you again when I'm done!

This episode: Marine worms and their microbial symbionts can live on the toxic gas carbon monoxide!

Download Episode (11.1 MB, 12.1 minutes)

Show notes:
Journal Paper

Other interesting stories:

Salt-loving extremophiles eat carbon monoxide at Mars-level concentrations (paper) Better biotech processes by microbial cooperation (paper) Different ways to engineer microbes to produce propane Not all organisms share exactly the same genetic code Queen bees have different microbes than other bees (paper)

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99. BacterioFiles 239 - Familial Pheromones Fight faecalis
http://www.microbeworld.org/po... download (audio/mpeg, 10.46Mb)

Description:

Just to let you know, I'm trying to finish up my dissertation and graduate in the next few months, so after episode 240, I will be putting the show on hold, at least for a few weeks (but not forever). I'll be sure to bring back some good content after I am done feeling so crunched for time though.

This episode: Gut bacteria kill their drug-resistant pathogenic cousins of the same species via pheromone signaling!

Download Episode 10.4 MB, 11.4 minutes)

Show notes:
News item/Journal Paper

Other interesting stories:

Bacterial compound could inhibit biofilms but not their builders Microbial engineering could free us from petroleum products Studying the immune regulation roles of mouse gut microbes (paper) Finding useful cold- and warm-adapted algae by season (paper) Powerful swimming microbe creates crystals of cells

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100. BacterioFiles 238 - Forcing Fungal Familiarization
http://www.microbeworld.org/po... download (audio/mpeg, 7.86Mb)

Description:

This episode: Of genes that are similar in yeast and humans, almost half of the yeast versions are functional when replaced with the human version!

Download Episode (7.9 MB, 8.5 minutes)

Show notes:
Journal Paper

Other interesting stories:

Turning algae from harmful blooms into useful products Intercropping enriches microbes that help crop yields (paper) Bacteria store energy in magnetic particles that other bacteria later take Certain gut microbes are characteristic of traditional (non-urban) lifestyles (paper) More study into how microbes make tasty foods

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