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Getting Started with MicrobeWorld

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Host-Pathogen Interaction and Human Disease (Part 2) by Stanley Falkow, Ph.D.

Stanley Falkow, Professor Microbiology and Immunology, Geographic Medicine, Infectious Diseases, Stanford University School of Medicine, presents the second part of a lecture on host-pathogen interaction. This one focuses on H. pylori (the ulcer bacterium) and the story behind its discovery by A... Read More

TWiV 316: The enemy of my enemy is not my friend

Vincent, Alan, Rich and Kathy discuss how interleukin 10 modulation of Th17 helper cells contributes to alphavirus pathogenesis.


Hosts: Vincent Racaniello Read More

The Alaska Ocean Blob Mystery Revealed - It's an Algal Bloom

Several media outlets from Time Magazine to local Alaska papers have confirmed that the 15 mile long organic blob floating in the Chukchi Sea, the waters between Alaska and Siberia, is indeed an algal bloom. But how com... Read More

TWiV 296: The real Batman, Linfa Wang

Vincent visits the Australian Animal Health Laboratory in Geelong, Australia and speaks with Linfa about his work on bats and bat viruses.


Hosts: Vincent Racaniello


Guest:  Read More

TWiV 306: This Week in Ebolavirus

 


The Grand Masters of the TWiV discuss Ebola virus transmission, air travel from West Africa, Ebola virus infectivity on surfaces, the Dallas Ebola virus patient, and Ebola virus in dogs.


Hosts:  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

Audio interview with Jeffrey Brinker--A Quorum of One: Solitary Bacterial Cell Does Its Own Sensing

Materials scientist Jeffrey Brinker and his collaborators at Sandia National Laboratory in Albuquerque, N.M., have confined individual Staphylococcus aureus cells in vessels that consist of porous silica nanostructures. These structures isolate the cells physically and chemically from other cell... Read More

TWiV 265: This year in virology

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Hosts: Vincent Racaniello, Alan Dove Read More

Where They Are Found


Viruses are found on or in just about every material and environment on Earth from soil to water to air. They're basically found anywhere there are cells to infect. Viruses have evolved to infect every form of life, from animal to plant and from fungi to bacter... Read More

Measuring the Impact on Microbial Diversity after an Oil Spill

As the U.S. struggles with the after effects of the oil spill on tourism, animal health, and food safety due to the largest environmental disaster in U.S. history, microbiologists are stuggling to determine the scope of damage to microbial diversity in the ocean water and sediment.

The explos... Read More

The Attendee's Guide to Scientific Meetings, Part II

In December of last year, Julian Davies, Professor emeritus at the University of British Columbia and a Fellow of the Royal Society, authored an amusing post that essential... Read More

An antiviral for enveloped viruses

Broad spectrum antibiotics are available that act against a wide range of bacteria, including both gram-positive and gram-negative species. In contrast, our antiviral arsenal is exceedingly specific. Nearly all the known antivirals block infection with one or two different viruses. The discovery... Read More

TWiV 236: Flu gets the VIP treatment

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Hosts: Vincent Racaniello, Alan Dove, and Read More

TWiM 116 letters

 


David writes:


Dear Twimeriti,


Thank you for your lovely show. I started with Twiv after taking Dr Racaniello's online virology course, and have since moved to Twip and Twim, all very instructive and pleasant.


Yesterday my daily Twix dose... Read More

Of Terms in Biology: Monophyletic, Paraphyletic...

Psi Wavefunction, an undergraduate in the Department of Botany, University of British Columbia, and the host of the blog Skeptic Wonder: Protists, Memes and Random Musings, has authored a guest post on Small Things Considered that looks at some confusing terminology associated with phylogenies:
... Read More

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

How Small Can You Get

parvovirus_B19 Read More

TWiV 230: Gene goes to Washington, flu chickens out

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Hosts: Vincent Racaniello, Rich Condit, Read More

Stomachache Tonight - Animated Food Saftey Music Video

Dr. Carl Winter, a food toxicologist at University of California, Davis, sings this parody of The Eagles' "Heartache Tonight." 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
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