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BacterioFiles

The podcast for microbe lovers: reporting on exciting news about bacteria, archaea, and sometimes even eukaryotic microbes and viruses. Hosted by Jesse Noar.

BacterioFiles 273 - Bottle-Biting Bacteria

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

(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.

 

Other interesting stories:

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BacterioFiles 272 - Parasite Prevents Pollution Poisoning

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

(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.

Other interesting stories:

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BacterioFiles 271 - Dictyostelium Delivers DNA Deathtraps

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

(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.

 

Other interesting stories:

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BacterioFiles 270 - Bacteria Block Bug Babies

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

(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.

 

Other interesting stories:

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BacterioFiles 269 - Magnetic Microbes Maim MRSA

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

(10.6 MB, 11.6 minutes)

Show notes: 

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.


News item
 

Other interesting stories:

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BacterioFiles 268 - Sophisticated Cyanobacterium Sight

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

(9.7 MB, 10.6 minutes)

Show notes: synSEM

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.

Other interesting stories:

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BacterioFiles 267 - Crust Color Cooks Communities

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

(7 MB, 7.6 minutes)

Show notes: 
News item

Journal Paper:

biocrusts

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.

Other interesting stories:

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BacterioFiles 266 - Solar Cyborg Cells Capture Carbon

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

(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.

Other interesting stories:

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BacterioFiles 265 - Predator Protein Protects Predator

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

(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.

Other interesting stories:

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BacterioFiles 264 - Small Cells Stimulate Satiety

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

(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.

Other interesting stories:

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