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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 149 - Psychrobacter Survives Siberian Schisms

This episode: Cold-loving bacteria can repair surprising amounts of DNA damage even sub-zero temperatures!

(9.1 MB, 9.9 minutes)

Bacteria isolated from the Siberian arctic permafrost are exposed to a lot of radiation over thousands of years, but somehow they are able to repair the damage to their genome, even in such extreme cold.

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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 148 - Engineered Escherichia Enzyme Enhances Environmentalism

This episode: Engineered bacteria could help capture CO2 and convert it into a solid form for storage!

(7.3 MB, 8 minutes)

E. coli engineered to produce the enzyme carbonic anhydrase, which converts carbon dioxide to bicarbonate and then to calcium carbonate, could help reduce the impact of climate change.

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Journal Paper

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

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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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 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

Other interesting stories:

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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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News item/Journal Paper

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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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Journal Paper

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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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News item/Journal Paper

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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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News item 1/News item 2/Journal Paper

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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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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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News item/Journal Paper

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

 

 

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