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Ebola Outbreak 2014 2015 by Dr. Fauci

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Getting Started with MicrobeWorld

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Make Your Own Van Leewenhoek Microscope

A recent guest post on the Small Things Considered blog by ... Read More

BacterioFiles Micro Edition 69 - Plants' Prokaryotic Partners

This episode: Plants open up their roots to let bacteria in!



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A short-short science fiction story about microbes...

From my microbiology-associated blog, where I discuss teaching and research in microbiology at a small liberal arts institution. Read More

Deep sequencing reveals viral vaccine contaminants

Use of the rotavirus vaccine Rotarix in the US has been temporarily suspended because the vaccine was found to be contaminated with porcine circovirus 1 DNA. The discovery was made in the laboratory of Dr. Eric Delwart, who has provided insight into what was found in Rotarix, and why he was anal... Read More

TWiV 113 Letters

Trevor writes:

Hi Vince, Dick, Alan and Rich,


My name is Trevor Stewart, a PhD student at the University of Toronto (in my final year!!) in Physics. I've been listening to TWIV (and TWIP) since last Xmas when my twin brother (who is a graduate student studying mass-s... Read More

When Your Partner is NOT a Scientist

A recent article published by The Scientist called Power Couples gave advice and examples for scientist couples who have successfully balanced their life at home and in the lab. It was interesting from the perspective of how two very busy and career motivated people work together to have it al... Read More

TWiM #87: Avogadro, archaeal fossils, and ICAAC

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

Safely Processing Sprouts - Educational Video

The California Department of Public Health, Food and Drug Branch and the U.S. Food and Drug Administration Center for Food Safety and Applied Nutrition jointly developed this video in cooperation with the Centers for Disease Control & Prevention, university researchers, and industry representati... Read More

BacterioFiles 180 - Phage Functions Fight Fortifications

This episode: Some phages can fight back against bacterial defenses with recently discovered genes!


(8.3 MB, 9 minutes)


Show notes: 
Journal Paper Read More

"El podcast del microbio" Nº 110 y 121: Bacterial Heavyweight Championship

The Nº 120 and 121 of "El podcast del microbio" are dedicated to the experiments for measuring the extreme nanoforce developed by microbes. En "El podcast del microbio" Nº 120 y 121 están dedicados a los experimentos para medir las increíbles nanoferzas desarrolladas por los microbios.
{mp3remo... Read More

TWiV 253: I don't know anything about sorghum

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Hosts: Vincent Racaniello, Dickson Despommier, 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)


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BAC Down! Give bacteria the cold shoulder.

BAC Down! Give bacteria the cold shoulder. Keep your refrigerator at 40° F or below. Use a thermometer to monitor.

The bacterium Listeria monocyotogenes can grow at refrigerator temperatures. Pregnant women, young children and people with weakened immune systems are at greater risk of Listeri... Read More

BacterioFiles 172 - Sunlight-Snackers Seize Sparks

This episode: Some photosynthetic bacteria can use electricity for their metabolism to make useful stuff too!


(9.2 MB, 10 minutes)


Show notes: 
News item 1... 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

Notable Bacteria



  • Bacillus anthracis causes anthrax, a deadly disease in cattle and a potential bioweapon against humans




  • .Brucella abortus causes breeding losses in livestock.




  • Cyanobacteria (formerly known as blue-green algae) live in water, where they prod... Read More

Protection against 2009 influenza H1N1 by immunization with 1918-like and classical swine viruses

Influenza A viruses typically cause severe respiratory disease mainly in the very young or the elderly. The 2009 swine-origin H1N1 virus is unusual because it preferentially infects individuals under 35 years of age. We’ve previously noted that being older is a good defense against 2009 H1N1 inf... Read More

Electromicrobiology

An interesting presentation given by Yuri Gorby, an electromicrobiologist at the J. Craig Venter Institute in San Diego, at CalIT2 at UCSD on electronmicrobiology. Here's part of the description from SciVee.tv:

Respiratory microorganisms capture energy for growth and maintenance as they trans... 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 230: Gene goes to Washington, flu chickens out

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Hosts: Vincent Racaniello, Rich Condit, Read More

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