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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

Koch’s postulates in the 21st century

For thousands of years, epidemics of contagious diseases were believed to be caused by the wrath of the gods, configuration of stars, or miasma. The association of specific microorganisms with disease came about as a consequence of the work of the German physician Robert Koch. He formulated a se... Read More

60 of the World's most memorable research papers

The Royal Society, founded in London in 1660 and one of the world's oldest scientific institutions, is marking the start of its 350th year by putting 60 of its most memorable research papers online. Several of these documents include papers by Sir Isaac Newton, Benjamin Franklin, and even Antoni... Read More

Mundo de los Microbios - Episodio 37

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¿Usamos excesivamente los antibióticos?


De modo tradicional se aconseja a los pacientes que continúen sus tratamientos con antibióticos hasta bastante después de q... Read More

Cryptic Life in the Antarctic Dry Valleys

Small Things Considered co-blogger Merry Youle has a post about the diversity of life in McKelvey Valley, a broad, glacially-carved pass just west of McMurdo Sound in Antarctica. Her writing is inspired in part by a recent paper from the University of Hong Kong (See Read More

A new virology course at Columbia University

Tomorrow is the start of my new virology course at Columbia University. The course, Biology W3310, is aimed at advanced undergraduates and will be taught at the Morningside Campus of Columbia University. Read More

MTS42 - Julian Davies - The Mysteries of Medicine's Silver Bullet

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TWiV 66: Reverse transcription

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On episode #66 of the podcast This Week in Virology, Vincent and Dickson continue virology 101 with a discussion of information flow from RNA to DNA, a process known as reverse transcription, which ... Read More

Mundo de los Microbios - Episodio 36

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Control de infecciones


Existe una infección hospitalaria muy frecuente, que origina unas lesiones muy persistentes en la piel, que incluso a veces pueden evolucion... Read More

Microbiology blog in spanish language: Curiosidades de la Microbiologia

"Curiosidades de la microbiologia" (Curiosities of the microbial world) is a microbiology blog writen in spanish language. The aim of the blog is academic and divulgative. It was designed as a support tool for graduate students in life science like Biology, Biochemistry, Biotechnology, Medicine,... Read More

Bornavirus DNA in the mammalian genome

The chromosomal DNA of several mammals has been found to contain sequences related to the nucleoprotein (N) gene of bornaviruses, enveloped viruses with a negative-strand RNA genome. I am amazed by this finding. How did bornaviral DNA get in our chromosomes, and what is it doing there? Read More

Through the Looking Glass: Silicate in Bacterial Spores

Peter Setlow, Professor of Molecular, Microbial and Structural Biology at the University of Connecticut Health Center in Farmington, CT, authors a guest post on Small Things Considered in which he ponders the reasons why silicon is present on some Bacillus spores and what could possibly be the b... Read More

The Origin of Species: 1859 meets 2009 - Video Lecture by Carl Zimmer

Science writer Carl Zimmer and host of MicrobeWorld's Meet the Scientist Podcast presents a talk in Vancouver BC hosted by the Beaty Biodiversity Museum at the University of British Columbia. Zimmer discusses Darwin and the evolution of diseases, including H1N1.

The talk was posted in six par... Read More

TWiV 65: Matt's bats

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On episode #65 of the podcast This Week in Virology, Vincent, Alan, and Matthew Frieman ... Read More

It Came From Outer Space: Hyperthermophiles

Hyperthermophiles are microorganisms that can live in extremely hot conditions. Instead of photosynthesis, these organisms perform chemosynthesis to produce energy. Click "source" above to watch the Learning Channel's "It Came From Outer Space: Hyperthermophiles". Read More

TWiP 4 letters

Rich writes:


Here is a composite of 384 electron microscope photographs, combined into one image so that you can zoom and pan:



http://gigapan.org/gigapans/27625/ Read More

TWiP 3 letters

Björn writes: (first letter to TWiP)


Hi Dick and Vincent,



My name is Björn. I am a biochemist and PhD student working on trypanosomes here in Germany. I am a long time listener of your twiv podcast and just listened to the first  Read More

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