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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

XMRV not detected in 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). This observation raised the possibility that XMRV is the etiologic ... Read More

Mundo de los Microbios - Episodio 35

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A la búsqueda de los patógenos de los cultivos


Algunos temen que los terroristas fijen su objetivo en los alimentos e infecten deliberadamente cultivos tales como ... Read More

The Immortal Life of Henrietta Lacks

Shortly after I wrote about my years of experience with HeLa cells, I was contacted by author Rebecca Skloot. One of her many questions was how I knew that I had produced 800 billion HeLa cells in my laboratory over 26 years. I learned that she was writing a book about Henrietta Lacks, whose tum... Read More

MTS41 - Sallie Chisholm - Harvesting the Sun

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Is bivalent poliovirus vaccine a good idea?

A new bivalent poliovirus vaccine, consisting of infectious, attenuated type 1 and type 3 strains, has been deployed in Afghanistan. The use of this vaccine was recommended by the Advisory Committee on Poliomyelitis Eradication, the global technical advisory body of the Global Polio Eradication ... Read More

TWiV 64: Ten virology stories of 2009

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On episode #64 of the podcast This Week in Virology, Vincent, Alan, and Rich discuss ten compelling virology stories of 2009.


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DIY Science - Jason Bobe of DIYbio speaks on NPR

The "Do It Yourself" biology movement is growing among real scientists and citizen scientists in homegrown or garage-based labs around the U.S. As this NPR piece reports "they're studying things like DNA and E. coli bacteria in home laboratories. And for now, the industry is largely unregulated.... Read More

H1N1 pediatric fatalities were 10 times the rates for seasonal influenza in previous years

A recent paper published in the New England Journal of Medicine by researchers who looked at data from the recent influenza season in the Southern Hemisphere finds that pandemic 2009 H1N1 influenza was associated with pediatric death rates that were 10 times the rates for seasonal influenza in p... Read More

TWiP 3: Trichinella spiralis

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Vincent and Dick distinguish among intracellular and extracellular parasites, then discuss the history and general characteristics of Trichinella spiralis.


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Marine Euglena-like Protist at 1000x Magnification

Marine Euglena-like Protist at 1000x Magnification. Euglena is a common group of freshwater single celled organisms in the Kingdom Protista. Read More

Motility mechanism of malaria pathogens explained

How do one-celled parasites move from the salivary gland of a mosquito through a person's skin into red blood cells? What molecular mechanisms form the basis for this very important movement of the protozoa? A team of researchers headed by Dr. Friedrich Frischknecht, head of a research group at ... Read More

The Dawn of Proteomics

Frederick C. Neidhardt, F.G. Novy Distinguished University Professor, Emeritus, Department of Microbiology and Immunology, University of Michigan Medical School at Ann Arbor, authors a post at the Small Things Considered blog on the dawn of proteomics, the large-scale study of proteins, with a f... Read More

MTS40 - John Wooley - Exploring the Protein Universe

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Smallpox in New York City, 1947

Millions of New Yorkers were immunized against smallpox within a few weeks in April 1947. The stimulus for this mass immunization was the importation of smallpox by a businessman who had acquired the disease during his travels. While we are in the middle of a massive influenza immunization campa... Read More

TWiV 63: Melting pot virus

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On episode #63 of the podcast This Week in Virology, Vincent, Alan, and Rich talk about US government contract for freeze-dried smallpox vaccine, red squirrels in the UK threatened by poxvirus, and ... Read More

Happy Nerdy Holidays

I recently have come across a blog written by a biological anthropologist who is currently a stay at home mother to her little girl. A favorite hobby of hers is baking and her blog chronicles her culinary adventures, which much to my delight includes science themed baked goods like cookies and ... Read More

Small Things Considered - 2009 in Review

Elio Schaechter of Small Things Considered has pulled together a year-end summary that highlights many of the blog's most popular and well received posts for 2009. If you are not familiar with the site or haven't been following along closely, this is great way to catch up on some of the best con... Read More

Prof. Racaniello's Viral Vaccines and the Principles of Immunization (Lecture)

Below is a lecture by Vincent Racaniello, Professor of Microbiology at Columbia University Medical Center and host of the popular This Week in Virology podcast, he presented on viral vaccines for the Immunology course at the Morningside Heights campus of Columbia University. Racaniello uses poli... Read More

Are the bees vanishing?

There is some evidence that viruses are involved in colony collapse disorder, a phenomenon in which worker bees disappear. This condition is receiving a great deal of attention ranging from basic scientific research (summarized on TWiV 46) to a PBS episode to a documentary entitled 'Colony' whic... Read More

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