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TWiM 69 Letters

Gian writes:


Beloved TWiMers,


Did you see this paper in PLoS Computational Biology? It's mind-blowing. U. Maryland researchers found evidence for Acinetobacter and Pseudomonas nucleic acid integrated into human chromosomes and mitochondria, po... Read More

TWiV 261: Giants among viruses

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Hosts: Vincent Racaniello and James Van Etten Read More

BacterioFiles 168 - Plentiful Plant Pathogen Partners

This episode: Multiple different fungi kill insects and give their nutrients to plant partners!


(8.3 MB, 9 minutes)


Show notes: 
Journal Paper


Read More

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 ... Read More

BacterioFiles 162 - Desert Dwellers Densify Dunes

This episode: Spraying cyanobacteria could turn deserts into useful land!


(9.3 MB, 10.13 minutes)


Show notes: 
Ne... Read More

TWiP 68 letters


Tim writes:


I listened to the latest TWIP this morning. Dickson mentioned the herbicide atrazine but thought it was a fungicide. It is actually a herbicide in the photosynthesis inhibitor class. Another bit of trivia about ag chemicals is that old chemicals like ... Read More

MOOC: Pandemics and new viral infections (in Spanish)

New Massive Online Open Courses (MOOC) in Spanish about Pandemics and new viral infections.

This is a mini online open course about basic concepts of virus and pandemics. We answer questions as what is a virus?, how a virus multiplies inside a cell?, what is a pandemic?, why appear new influe... Read More

Mundo de los Microbios - Episodio 106 - Ricardo Santos

Aunque el género Mycobacterium es asociado a infecciones tales como la lepra y la tuberculosis, hay un gran número de especies que son por lo general no patogénicos o patógenos oportunistas. En el episodio de hoy tenemos al Dr. Ricardo Santos del Instituto Superior Técnico de Lisboa, Portugal... Read More

BacterioFiles 173 - Illuminated Invader Inhibits Irritation

This episode: Virus helps to modify mice such that certain colors of light can cause or prevent pain!


(10 MB, 10.8 minutes)


Show notes: 
Jour... Read More

TWiV 251: Don't kiss the camel



Hosts: Vincent Racaniello, Dickson Despommier, Read More

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,... Read More

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... Read More

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,... Read More

TWiV 294: Smallpox and anthrax and flu, oh my!

The TWiV team reviews the discovery of old vials of smallpox virus at NIH, anthrax and influenza mishaps at CDC, the baby who was not cured of HIV, Cambridge Working Group, and sacking of NSABB members.


Hosts:  Read More

BacterioFiles 174 - Synthetic Cells Sense and Send Signals

This episode: Bacteria with engineered circuits can detect and keep a record of stuff in their environment, like in the gut!


(14.6 MB, 15.9 minutes)


Show notes: 
Read More

BacterioFiles Micro Edition 150 - Morels Make Mycelial Motorways

This episode: Bacteria use fungal filaments like highways to swim through soil!


(7.7 MB, 8.3 minutes)


Show notes: 
Journal Paper


Read More

TWiV 260: Badgers go viral

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Host: Vincent Racaniello


Guests: Read More

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... Read More

TWiM 64 Letters

Tim writes:


Vincent and friends,


While driving around a field cutting hay lost in my science podcast playlist the episode of TWIM #61 came up and I had to listen intently as salmonella typhimurium came up as this is a common enteric issue in agriculture. When ... Read More

BacterioFiles 165 - Bacillus Biofilms Balk Bilks

This episode: Interview with Jordi van Gestel: cheaters in bacterial communities don't always succeed!


(13.1 MB, 14.25 minutes)


Read More

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