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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 240 - Water Worms Make (carbon) Monoxide Meals

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


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!

(11.1 MB, 12.1 minutes)


Read More

BacterioFiles 227 - Microbe Menaces Meningitis

This episode: Colonizing ourselves with friendly bacteria could drive out more risky ones, such as those that cause meningitis!


(9.8 MB, 10.6 minutes)


Show notes: 
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TWiV 346: A double helical career

Hosts: Vincent Racaniello, Rich Condit, and Kathy Spindler


Guest:&nb... Read More

BacterioFiles 237 - Proving Protist Predation Parentage

This episode: Vampirovibrio chlorellavorus, a predatory bacterium that feeds on Chlorella algae, is currently lost from science, but its genome has been sequenced and interpreted anyway, to reveal a surprising family history!


(9.4 MB, 10.25 minutes)


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TWiM #115: Profiling the Poglianos

Host: Vincent Racaniello


Special guests: Kit Pogliano and Joe Pogliano


Vincent visits the laboratories of Kit and J... Read More

BacterioFiles 239 - Familial Pheromones Fight faecalis

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



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... Read More

TWiV 271: To bee, or not to bee, that is the infection

Unable to embed Rapid1Pixelout audio player. Please double check that:  1)You have the latest version of Adobe Flash Player.  2)This web page does not have any fatal Javascript errors.  3)The audio-player.js file of Rapid1Pixelout has been included.

Hosts: Vincent Racaniello, Dickson Despommier, Read More

TWiV 275: Virocentricity with Eugene Koonin

Unable to embed Rapid1Pixelout audio player. Please double check that:  1)You have the latest version of Adobe Flash Player.  2)This web page does not have any fatal Javascript errors.  3)The audio-player.js file of Rapid1Pixelout has been included.

 Hosts: Vincent Racaniello and Rich Condit Read More

BacterioFiles 238 - Forcing Fungal Familiarization

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!


(7.9 MB, 8.5 minutes)


Show notes: 
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TWiM #123: A microbial MAGE

Hosts: Vincent RacanielloMichael Schmidt, and Elio Schaechter


Spe... Read More

TWiV 345: How a vaccine got the nod

Hosts: Vincent RacanielloDickson DespommierAlan Dove, and  Read More

Soap Compound Could Make It Easier For Staph Bacteria To Colonize In Your Nose

A common ingredient in antibacterial soap can be found in some people's noses, and the presence of this ingredient could be promoting the colonization of Staph bacteria, according to a small new study in the journal mBio.

Researchers from the University of Michigan found triclosan in the nasa... Read More

BacterioFiles 216 - Probiotic Promotes Peanut Permissiveness

This episode: Kate Franz and Matt Woodruff from Audiommunity join me to talk about a clinical trial of peanut immunotherapy with probiotics to treat peanut allergies!


(29 MB, 31.75 minutes)


Show notes: 
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TWiP 72 letters


Robin writes:


plethora (n.)


1540s, a medical word for "excess of body fluid," from Late Latin plethora, from Greek plethore "fullness," from plethein "be full" (see pleio-). Figurative meaning "too-muchness, overfullness in any respect" i... 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

Mundo de los Microbios - Episodio 108 - Grace Robiou

Nuevas guías de la Agencia de Protección Ambiental (USEPA) para las aguas recreacionales:  éste es el tópico que discutiremos hoy con Grace Robiou, quien ha trabajado durante los últimos años buscando nuevos indicadores de riesgo que protejan mejor a los bañistas.


Aunque en el mu... Read More

TWiM 110 Letters

Trudy writes:


I'm sorry, I may have missed something, but the mechanism behind an effective vaccine is still unclear to me, since infection with F. tularensis does not confer protection. How would a vaccine work?


Katy Bosio replies:


In... Read More

A 28-days course for full-time and complete treatment of HIV

In this conversation, not only we shall make a brief discussion about the real origin of HIV, but also we discuss about several drugs, which are already available in markets, and can completely 'heal' people from HIV after 28 days of consumption. The cooperator with the Central Intelligence Agen... Read More
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