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XMRV not found in 170 additional UK chronic fatigue syndrome patients

A new retrovirus, xenotropic murine leukaemia virus-related virus (XMRV), first identified in tumor tissue of individuals with prostate cancer, was subsequently found in 68 of 101 US patients with chronic fatigue syndrome (CFS). XMRV was not detected in blood samples of 186 confirmed CFS patient... Read More

New Twitter-like Service for Scientists Launched

A new Twitter-FaceBook-FriendFeed-like site called Sciencefeed allows users to post short messages around on scientific-related content, including news headlines, new findings, metings, events and ideas. Just lke Twit... Read More

Of Archaeal Periplasm and Iconoclasm

Moselio Schaechter of the Small Things Considered blog reviews the surprising findings in the paper "Energized outer membrane and spatial separation of metabolic processes in the hyperthermophilic Archaeon Ignicoccus hospitalis" published in the recent Proceedings of the National Academy of Scie... Read More

Protection against 2009 influenza H1N1 by immunization with 1918-like and classical swine viruses

Influenza A viruses typically cause severe respiratory disease mainly in the very young or the elderly. The 2009 swine-origin H1N1 virus is unusual because it preferentially infects individuals under 35 years of age. We’ve previously noted that being older is a good defense against 2009 H1N1 inf... Read More

Nature launches iPhone app

Nature magazine has just launched an iPhone application. It's essentially an eBook reader for the iPhone and iPod Touch that gives all access to Nature and Nature News content as it is published for free until April 30th when presumably they will start charging. It's available in the app store n... Read More

Check out over 300 Microbiology-related Videos Online

A. J. Cann of the infamous MicrobiologyBytes.com blog and podcast has a collection of over 300 microbiology related videos on his site. While the videos are all copyrighted, you can view hundreds of .mov examples on the web.

Here's an example (with permission) of Hartmannella, "a harmless, fr... Read More

Naegleria fowleri Infection Fact Sheet

Naegleria is an amoeba commonly found in warm freshwater and soil. Only one species of Naegleria infects people, Naegleria fowleri. Naegleria infects people by entering the body through the nose, often occurring when people use warm freshwater for activities like swimming or diving. The amoeba c... Read More

Naegleria’s Split Morphology Disorder

A guest blog post by "Psi Wavefunction" on Small Things Considered explores the morphology of Heterolobosea, specifically Naegleria, a species of pathogenic free-living amoebae that have a taste for human brains. Read More

Virology course videocasts

This year I started a new virology course at Columbia University. The course emphasizes the common reactions that must be completed by all viruses for successful reproduction within a host cell and survival and spread within a host population. The molecular basis of alternative reproductive cycl... Read More

TWiV 69: They're all safecrackers

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On episode #69 of the podcast This Week in Virology, Vincent, Alan, and Rich review recent outbreaks of mumps in the UK, US, and Israel, protection of mice against 2009 H1N1 influenza A virus by 191... Read More

Origin of the cell nucleus, mitosis and sex: roles of intracellular coevolution

Thomas Cavalier-Smith, Department of Zoology, University of Oxford, has published a paper in which he identifies some of the key elements to understanding eukaryogenesis.

"Here I paint an integrated picture of how the nucleus, sex, and the eukaryotic cell cycle originated and congealed into ... Read More

Now playing: Viral plaque formation

One of the most important procedures in virology is measuring the virus titer – the concentration of viruses in a sample. A widely used approach for determining the quantity of infectious virus is the plaque assay. In this technique, the spread of progeny viruses released by individually infecte... Read More

MTS43 - Rob Knight - The Microbes That Inhabit Us

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In this episode, I speak to Rob Knight... Read More

Of Wines and Vines - Managing malolactic fermentation

Wine lovers will delight in this guest blog post on Small Things Considered and adaptation from an article in the January 2010 issue of Wines and Vines by John Ingraham, a retired UC Davis Professor of Microbiology, on how he and his colleagues tamed the "capricious and independent" cycle of mal... Read More

TWiV 68: Ode to a plaque

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On episode #68 of the podcast This Week in Virology, Vincent, Alan, and Rich are enthralled by movies of vaccinia virus plaque formation, then consider how repulsion of superinfection virions leads ... Read More

TWiP 4: Trichinella life cycle

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Vincent and Dick trace the life cycle of Trichinella spiralis in an infected host.


Download ... Read More

XMRV infection is enhanced by prostatic protein fragments

Fragments of an abundant protein produced by the prostate form amyloid fibrils that enhance infection of cells by human immunodeficiency virus type 1. These fibrils, called semen-derived enhancer of virus infection (SEVI), have been found to boost infection of prostate cells by the retrovirus XM... Read More

Mundo de los Microbios - Episode 38

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Pepitas de uva antibacterianas

¿Que te queda tras haber elaborado una remesa de vino? Bueno, en primer lugar tienes una gran cantidad de desechos, inc... Read More

An Introduction to Viruses - Kahn Academy

An introduction to viruses created by Salman Khan of The Khan Academy, a one person, not-for-profit organization with the mission of providing a high quality education to anyone, anywhere.

While the Kahn Academy has over 25 videos devoted to topics in biology, there are hundreds more in a va... Read More

TWiV 67: Wasting deer and the Hulk rabbit

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On episode #67 of the podcast This Week in Virology, Vincent, Alan, and Marc Pelletier talk about chronic wasting disease of deer caused by prions, blocking the semen-derived enhancer of HIV infecti... Read More

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