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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 Micro Edition 147 - Clostridium Conquers Colleagues

This episode: Non-pathogenic Clostridium difficile strains can protect hamsters against their disease-causing bacterial siblings!

(7 MB, 7.5 minutes)

When hamsters were colonized with toxin-free strains of C. difficile, they were better able to resist infection by pathogenic strains of the same species!

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BacterioFiles Micro Edition 146 - Engineered Escherichia Eliminates Enemies

This episode: Scientists engineered E. coli to seek and destroy pathogens!

(10 MB, 11 minutes)

A bacterium can sense pathogens in the body, swim toward them, and release a deadly biofilm-busting payload. This process is called pseudotaxis, and could be modified for many other purposes. It is quite clever.

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

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This show features music from Mevio's podsafe Music Alley .

 

 

BacterioFiles Micro Edition 145 - Clostridium Converts Cortisol

This episode: Gut bacteria may convert cortisol into important human hormones!

(6 MB, 6.5 minutes)

Note: Episode 144 is now available too. Sorry about that. Not sure what went wrong there, but it is regrettable.

A minor player in the gut, Clostridium scindens, seems to be able to convert glucocorticoids into male sex hormones. It is unclear what role this plays in health.

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This show features music from Mevio's podsafe Music Alley .

 

BacterioFiles Micro Edition 144 - Copper Chelator Calms Quicksilver

This episode: Bacteria could reduce mercury's toxicity in their environment!

(6.5 MB, 7 minutes)

Methanotrophs (bacteria that use methane for their carbon and energy) secrete siderophore-like compounds that are usually used to chelate copper and make it more bioavailable, but can also bind to and detoxify mercury compounds!

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BacterioFiles Micro Edition 143 - Parasites Prevent Paired Pestilences

 This episode: Gut parasites may fight each other to infect!

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BacterioFiles Micro Edition 142 - Diversity Determines Dimensions

 This episode: Higher gut bacterial diversity is correlated with lower obesity and related problems!

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BacterioFiles Micro Edition 141 - Sulfuric Slurry Cells Store Cerium

This episode: Bacteria in a volcanic mudpot require rare earth elements to grow!

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Download Episode (6.2 MB, 6.75 minutes)

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BacterioFiles Micro Edition 140 - Transposon Tunes Timely Transcription

This episode: "Selfish" jumping gene is actually helpful for its host plant's resistance to disease!

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Download Episode (5.8 MB, 6.25 minutes)

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BacterioFiles Micro Edition 139 - Tamed Trespassers Treat Tumors

This episode: Inactivated virus particles may treat cancer or even vaccinate against it!

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BacterioFiles Micro Edition 138 - Slime Sustains Sidekick Pseudomonas

This episode: Slime mold cells carry bacteria with them, some for food and some for chemical warfare!

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Download Episode (6.4 MB, 7 minutes)

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

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This show features music from Mevio's podsafe Music Alley .

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