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BacterioFiles 166 - Metamorphosis Microbes Mapped

This episode: Discovering how butterflies' bacteria change from caterpillar to adult!


(7.5 MB, 8.1 minutes)


Show notes: 
News item/ Read More

New vaccines against an old disease: brucellosis

Brucellosis is a worldwide extended infectious disease of livestock (sheep, goats, cattle, cows, pigs, …) and remains one of the most common zoonotic infections, with more tan 500,000 new human cases worldwide every year. Control and eradication of brucellosis requires the use of animal vaccines... Read More

Ice Nucleation Bacteria, Twitter, and Me!

In this post from my microbiology/education blog, I discuss a post on Boing Boing recently that used a video I had made of ice nucleation bacteria. Ice nucleation bacteria are very interesting of course, and I link to the Boing Boing post. In addition, I provide an additional video of students... Read More

More Evidence Shows Whooping Cough Evolving In Response To Its Vaccine

Researchers have found evolved pertussis, as whooping cough is scientifically known, in Finland, France, Italy, Japan and the U.S. As we previously reported, the evolved bacteria don't seem to be more dangerous than their predecessors. Nevertheless, the U.S. Centers for Disease Control and Preve... Read More

Scientists Study What to Do If You Drop a Cookie on the Floor

Once again, you've dropped your snack. You bend down, snatch it up, and gently blow off any dust—and, you hope, deadly germs. You're about to put it in your mouth because, after all, you've got the "five-second rule" on your side: Food that's been dropped is safe to consume if it's been on the f... Read More

Gut bacteria may be best defense against nasty germs

Antibiotic-resistant bacteria are on the rise, making it more and more difficult to treat infections. But research suggests that the best defense against harmful bugs could be a healthy population of “good” gut bacteria. The human relationship with microbial life is complicated. At almost any su... Read More

TWiP 76 letters


Daniel writes:


Dear Vincent and Dickson,


I just returned from the annual meeting of the International Society of Travel Medicine (ISTM) where I enjoyed many fantastic lectures and caught more Cutthroat Trout fly fishing the upper Snake River during one ev... Read More

TWiV 276: Ramblers go viral

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.

 Host: Vincent Racaniello


Guests: Read More

Fossil viruses preserved in hot spring bacteria

Fossilized microbes have provided scientists many clues about origins of life. By comparison, little attention is given to viruses in the fossil record. Although technically non-living, there is no question these tiny packets of protein-sheathed DNA have shaped the evolution of most life on eart... Read More

TWiV 285: Hokies go viral

Vincent meets up with XJ Meng and Sarah McDonald at Virginia Tech in Blacksburg to talk about their work on viruses of swine and rotaviruses.


Host: Vincent Racaniello


Guests: Read More

At least 59 people dead in Guinea Ebola outbreak

An Ebola outbreak has killed at least 59 people in Guinea, UNICEF said, as the deadly hemorrhagic fever has quickly spread from southern communities in the West African nation.

Experts in the country had been unable to identify the disease, whose symptoms -- diarrhea, vomiting and fever -- we... Read More

TWiM 81 Letters

Ravi writes:


TWiM & TWiV team,
Keep up the excellent work! I am an electronics engineer who has never studied biological sciences, but now in my 50's, I find your podcasts fascinating. I listen to episodes while working out - a good combination of mental &... Read More

ICAAC 2014 - How Quickly Viruses Can Contaminate a Building

Using tracer viruses, researche... Read More

Scientists find coronavirus inhibitor blocking MERS and SARS

A team of European scientists say they have discovered a compound that can prevent the spreading of coronaviruses, responsible for the SARS and MERS outbreaks that have killed about 1,000 people worldwide.

A team of scientists led by Edward Trybala from the University of Gothenburg in Sweden,... Read More

TWiP 67 letters


CN writes:


Greetings Profs,


After having listened to your discussions on Plasmodium (TWiP 64), I explored papers on treatment options that are actually available. After having read some papers, I realized that one of the main roadblocks are the hypnozoite... Read More

MWV Episode 85 - This Week in Virology #286: Boston TWiV Party

The Americ... Read More

Celebrity portraits grown out stars' own bacteria

Well-known faces including Stephen Fry and Carol Vorderman are helping make art out of science by taking part in an experiment to grow portraits using their own bacteria.

The celebrities teamed up with American microbiologist and photographer Zachary Copfer to make the images by contributing ... Read More

Which is the morphology of this micro-organism?

Please help me! I am planning to identify this microorganism by API but I can not identify the shape (rod or cocci). This microorganism has positive oxidase. Its colony is red, irregular, flat.
Please teach me. Thanks so much! Nhu Thuy from Vietnam
Read More

TWiV 291: Ft. Collins abuzz with virologists

Vincent, Rich, and Kathy and their guests Clodagh and Ron recorded this episode at the 33rd annual meeting of the American Society for Virology at Colorado State University in Ft. Collins, Colorado.


Hosts: ... Read More

TWiV 301: Marine viruses and insect defense

At the International Congress of Virology in Montreal, Vincent speaks with Carla and Curtis about their work on RNA interference and antiviral defense in fruit flies, and viruses in the sea, the greatest biodiversity on Earth.


Host:  Read More

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