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Sulfur-indole-motility test (SIM media) results for:
(A) Escherichia coli: Motile***, hydrogen sulfide (-), indole (+)*
(B) Staphylococcus aureus: Non-motile, hydrogen sulfide (-), indole (-)
(C) Salmonella arizonae: Motile, hydrogen sulfide (+)**, indole (-)
(D) Enterobacter aerogenes: Mot... Read More

TWiP 62: More bats out of hell

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Hosts: Vincent Racaniello and Dickson Despommier

Vincent and Di... Read More

MWV70 - Microbes After Hours - West Nile Virus

2012 saw a surge of West Nile Virus infections, particularly in the central United States. What exactly is West Nile Virus and why do outbreaks occur?


This episode was filmed at the headquarters of the American Society for Microbiology during a "Microbes After... Read More

MWV Episode 75 - David Bhella: The Peter Wildy Award Talk

David Bhella, Ph.D., MRC Centre for Virus Research, accepts the Peter Wildy Prize for Microbiology Education, awarded annually by the Society for General Microbiology for an outstanding contribution to microbiology education. Recorded live March 25, 2013 in Manchester, UK, at the Manchester C... Read More

Pathogenic plant virus jumps to honeybees

A viral pathogen that typically infects plants has been found in honeybees and could help explain their decline. Researchers working in the U.S. and Beijing, China report their findings in mBio, the online open-access journal of the American Society for Microbiology.

The routine screening of ... Read More

TWiP 75: Parasite wonders with Bobbi Pritt

Bobbi Pritt joins Vincent and Dickson to talk about directing a clinical parasitology laboratory and her weekly case reports at Creepy Dreadful Wonderful Parasites.

Hosts: Vincent Racaniello and  Read More

TWiM #90: Think globally, act locally

Hosts: Vincent Racaniello.

Special guests: Laurene Mascola and Read More

MWV Episode 79 – The Microbiology of Beer

The master ingredient in beer is yeast -- a microbe -- and every step in the brewing process helps the yeast do its job better. Watch this live streamed video from the American Society of Microbiology to learn more about how microbes are selected, grown, and manipulated in modern breweries to... Read More

MWV Episode 71 - TWiM Live at ASM GM in Denver

Host Vincent Racaniello, co-hosts Moselio Schaechter and Michael Schmidt, and guests highlight research on a phage s... Read More

TWiM #84: Microbiology Down Under

Host: Vincent Racaniello.

Special guests: D... Read More


The bug lives harmlessly in the noses of about a third of us. But it can turn rogue, causing skin infections—or worse. Heavy use of antibiotics since the middle of the last century has prompted the evolution of deadly superbug strains. Photograph by Martin Oeggerli, with support from School of L... Read More

TWiP 66: A nitrile warhead for Chagas disease

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Hosts: Vincent Racaniello and Dickson Despommier

Vincent and D... Read More

MWV Episode 74 - David Bhella - Electron-cryomicroscopy

Dr. David Bhella studies the structural components of viruses using the techniques of electron-cryomi... Read More

Growing bricks (with bacteria), not another brick in the wall: Ginger Krieg Dosier at TEDxWWF (video)

Imagine a world where bricks are grown instead of fired: this is the world architect-turn-scientist Ginger Krieg Dosier lives every day. Ginger strives to create an alternate building block that will craft a more sustainable future for the construction industry and in turn help to lower the worl... Read More

TWiP 74: Nature has all the answers, what is your question?

Vincent and Dickson review a novel malaria vaccine candidate comprising a parasite protein involved in egress from red blood cells.

Hosts: Vincent Racaniello and  Read More

ASM 2014 video competition: Because You Care About Me

Our video for ASM global video competition…
This work has been created after writing a manuscript that was published in the ASM's Clinical Microbiology Reviews (http://cmr.asm.org/content/26/3/361.abstract). The paper shows the increasing spread of superbugs in the Gulf Cooperation Council Stat... Read More

MWV Episode 78 / This Week in Microbiology 64: URI and UTI at ICAAC in Denver

A recorded version of a live streaming video episode of This Week in Microbiology (TWiM), a podcast about unseen life on Earth, with Vincent Racaniello, a Higgins Professor in the Department of Microbiology and Immu... Read More

E.coli on MacConkey Agar (Mac)

Streak plate isolation of E. coli on MacConkey Agar grown for 24 hrs at 37 degrees. E. coli demonstrates strong lactose fermentation indicated by the bright pink halo, bile precipitant around the colonies, and pink colony growth. Read More

TWiM #75: Pellicles on pickle jars

Hosts: Vincent RacanielloElio SchaechterMichael Schmidt and Read More

BacterioFiles 192 - Susceptibility Separates Streptococcus Strategies

This episode: Pathogenic and non-pathogenic microbes have different strategies for interacting with us, even when they have a common ancestor!

(14.9 MB, 16.3 minutes)

Show notes: 
Read More

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