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TWiV 429: Zika Experimental Science Team

Vincent meets with members of team ZEST at the University of Wisconsin Madison to discuss their macaque model for Zika virus pathogenesis.


Hosts: Vincent Racaniello Read More

BacterioFiles 289 - Prehistoric Paired Prokaryote Partners

This episode: Great apes' specific gut microbe communities have been with us for millions of years!


(9.1 MB, 10 minutes)


Show notes: 


Read More

Fungus Causing Fatal Infections in Hospitalized Patients Has Unique Growth Patterns

Washington, DC – August 17, 2016 – The multidrug-resistant yeast Candida auris, which has caused fatal infections in some hospitalized patients, has at least two different growth patterns and some of its strains are as capable of causing disease as the most invasive type of yeast called Candida ... Read More

TWiV 416: Scattered seeds dormant

The multi-dimensional TWiV-brane brings you the entries in the haiku/limerick contest, and explain how a giant virus infects a host within another host (it has to do with predators!).


Hosts:  Read More

TWiV 433: Poops viruses and worms

The lovely TWiV team explore evolution of our fecal virome, and the antiviral RNA interference response in the nematode C. elegans.


Hosts: Vincent Racaniello Read More

TWiM 135 Letters

Reed writes:


Dear Vincent, Elio, Michael, and Michelle,


I've just recently finished TWiM number 133 and wanted to comment about the use of the term "secondary metabolite" throughout the episode and often in the primary literature. Michael pointed out that a se... Read More

Vibrio cholerae population structure changes in a matter of weeks

Although the Gram-negative bacterium Vibrio cholerae (right) is normally associated with human pathogenic disease, most V. cholerae cells spend their lives in an aquatic environment, and only a few of the many serotypes are able to cause disease. When strains acquire the right genetic makeup – s... Read More

Burkholderia multivorans evolves in bursts in the lungs of cystic fibrosis patients

Leonilde M. Moreira, PhD, has been studying the Burkholderia complex for 15 years. The bacteria, known for causing pneumonia or septicemia in some individuals, can survive for prolonged periods in moist environments. During the last 10 years, it has become one of the more predominant bacteria se... Read More

TWiM #147: The Public Goods Dilemma

The TWiM hosts reveal why phosphorus is essential for fungal brain disease, and how bacteria kill local competitors to favor the evolution of public goods cooperation.


Hosts Vincent Racaniello Read More

BacterioFiles 267 - Crust Color Cooks Communities

This episode: Cyanobacteria in biocrusts produce pigments that heat their surroundings up to 10 degrees hotter!


(7 MB, 7.6 minutes)


Show notes: 
Read More

TWiM #146: Viral arbitrium

Vincent, Elio and Michael discuss the finding of a prion in bacteria, and how communication between bacteria guides the decision between lysis and lysogeny.


Hosts Vincent Racaniello Read More

Are Viruses Alive?

Plenty of people have weighed in on the question, 'Are Viruses Alive?' Here is my answer - different from all the others. Read More

Carbapenem-resistant bacteria isolated from a pig farm in the United States

While carbapenems aren’t allowed to be given to feedlot animals, other beta-lactam antibiotics are. This is a large class of drugs that includes extended-spectrum cephalosporin drugs. There is no direct line between the use of these extended-spectrum cephalosporins and selection for carbapenem r... Read More

BacterioFiles 280 - Saccharomyces Smash Small Spaces

This episode: Microbes in tight spaces grow so much they can build up pressure and burst out!


(5.5 MB, 6 minutes)


Show notes: 


News... Read More

Investigators Map Genomes of Three Historically Important Zika Strains

Washington, DC - August 18, 2016 - A team of researchers from Utah State University, Logan, has characterized the consensus genome sequences of three historically important Zika virus strains. This work is an important step towards developing antiviral therapeutic and preventive strategies again... Read More

TWiV 404: Not found

From the twiVivants, follow up on FluMist and Zoster vaccines, Zika virus update, and isolation of a multicomponent animal virus from mosquitoes.


Hosts: Vincent Racaniello Read More

Yeast fights viruses!

Humans have used Saccharomyces cerevisiae yeast in baking, brewing and winemaking for millennia. New research from the University of Idaho and the University of Colorado Boulder reveals another way that yeast species can help our species: by demonstrating how viruses interact with their hosts, a... Read More

BacterioFiles 285 - Sultry Snow Cell Sun Screen

This episode: Algae growing in Arctic snow make red pigments that heat up their surroundings!


(6.8 MB, 7.5 minutes)


Show notes: 


Ne... Read More

TWiV Special: DA Henderson, smallpox eradicator

Donald “D.A.” Henderson, a physician, educator, and epidemiologist who led the World Health Organization’s campaign to eradicate smallpox, died at 87 years of age on Aug. 19, 2016. Vincent was fortunate to have the opportunity to speak with DA Henderson in 2014 about his career, the smallpox era... Read More

TWiM Special: Q fever with Robert Heinzen

At the Rocky Mountain Laboratory in Hamilton, Montana, Vincent speaks with Robert Heinzen about the work of his laboratory on Q fever and its causative microbe, Coxiella burneti.


Hosts: 


Vincent ... Read More

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