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Everyday Roles

Some people think it would be great if scientists could wipe out all the microbial bugs! Should we do it, and why or why not?

We get a lot of requests to track down the nasty bugs that are making people sick. It's true that some microbes cause health problems such as strep throat, chi... Read More

February 2013 Conference on "The Gut Microbiome"

Save the date for the Keystone Symposia on Molecular & Cellular Biology conference on “The Gut Microbiome: The Immune Effector/Regulator Network,” taking place February 10–15, 2013 at Sagebrush Inn and Conference Center in Taos, New Mexico, USA. Organized by Lloyd H. Kasper of Dartmouth Medical ... Read More

TWiV 302: The sky is falling

The TWiVers discuss the growing Ebola virus outbreak in West Africa, and an epidemic of respiratory disease in the US caused by enterovirus D68.

Hosts: Vincent Racaniello Read More

TWiM 98 Letters


Patrick writes:

Hi Vincent,

I thought you and the rest of the TWiM/TWiP folks would be interested in the following paper: Transferred interbacterial antagonism genes augment eukaryotic innate immune function, published online in Nature this week... Read More

TWiP 91 letters


Heather writes:

Dear Dr.s R, D & G,

I really hate to criticize learned professors, especially my elders. I suspect I may be being overly - sensitive or perhaps it is a cultural difference. However, the "over-talking" is decreasing the qualit... 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

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

A preliminary report on the contact-independent antagonism of Pseudogymnoascus destructans by Rhodococcus rhodochrous strain DAP96253

This article provides the preliminary results of a possible treatment/ Biological control agent for White Nose Syndrome (WNS) cause by Pseudogymnoascus destructans. It is estimated that over 5.5 of North American bats have died due to this deadly disease. Recently this method of treatment descri... Read More

TWiV 240: Virology in Vermont

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Host: Vincent Racaniello

Read More

TWiV 248: TWiP infects TWiV

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, and Rich Condit

Vi... Read More

A new rhabdovirus from a patient with hemorrhagic fever

Hemorrhagic fevers are among the most graphic viral diseases, inspiring movies, novels, and a general fear of infection. They are characterized by an abrupt onset and a striking clinical course involving bleeding from the nose and mouth, vomiting with blood, and bloody diarrhea. The most famous ... Read More

MMP #7: A virtual robot with its own virtual microbiome telling it what to do with Warren C. Ruder

Host: Jeff Fox with special guest, Warren C. Ruder.

Warren C. Ruder of Virginia Polytechnic Institute and State University (Virginia Tech) in Blacksburg, Virginia talks with Jeff Fox about efforts to develop an electronic model system that incorporates a robot for a host and two sligh... Read More

TWiP 90 letters


Christine writes:

Dear Vincent, Dickson and Daniel,

I think the latest case describes cutaneous furuncular myiasis.

The lesion on the young man's buttock is suggestive of a botfly infection with the larvae most likely of the species Derm... Read More

TWiV 79 letters

Ben writes:

I really enjoyed your podcast about reverse transcription.  I was wondering what makes retroviruses like HIV impossible for our bodies fight off.  Are there any retroviruses that can be eliminated from the body?

Paula writes:

I was browsing on the "Chronic ... Read More

MdlM116: La importancia de los virus como patógenos emergentes en América Latina

Los virus son considerados por la mayoría como patógenos en todo tipo de entidades biológicas.  Sin embargo la gran mayoría de los virus son inocuos a sus células hospedero.  Nuestro invitado de hoy, el Dr. Paolo Zanotto es investigador y profesor en la Universidad de Sao Paolo, Bra... Read More

The Limitations of the Luria-Bertani Medium

Hiroshi Nakaido, PBD Faculty Scientist, Structural Biology Department, and Professor of Biochemistry and Molecular Biology, UC Berkeley, has authored a guest post on the Small Things Considered Blog regarding the limitations of LB medium.

"LB broth contains, per ml, 10 mg tryptone (... Read More

TWiV 284: By the pricking of my thumbs, something wicked this way comes

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 RacanielloDickson Despommier Read More

Video: Cloning HeLa cells with Professor Philip I. Marcus

Video of my conversation from TWiV 197 with Professor Philip I. Marcus on his development of the single cell cloning technique in the 1950s, using HeLa cells. Read More

Rhizopus microsporus

Rhizopus microsporus
It causes human mucormycosis and bovine mycotic abortion.
It is distinguished from R.arrhizus by its shorter stalk, and smaller sporangia and spores.
Variant forms
Var.oligosporus : has elongated columellae ; spores less obviously striated.
Var.rhizopodiformis : has ... Read More

Mining Marine Microbes for New Drugs

This slideshow outlines the work of WHOI scientists Tracy Mincer and Kristen Whalen in the quest to beat antibiotic resistance through bioprospecting in the ocean. Read More
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