The figure for the number of prokaryotic cells on the planet, roughly 5x1030, is considerably greater than that of the estimated number of stars in the firmaments (3x1023). These two numbers have one thing in common: they both grew hugely and rather suddenly in recent human history.
Click "s... Read More
The hunt continues for novel antiviral agents especially against the pandemic H1N1 virus. In this article, a drug that has been used to fight HIV infection and vesicular stomatitis now appears to have the potential to block influenzavirus infection by inhibiting neuraminidase. This may be yet ... Read More
India has been free of polio for over one year. This is a remarkable accomplishment, considering that just 30 years ago the country recorded 200,000 cases of the disease annually, or one every three minutes. With polio endemic in two neighboring countries, Pakistan and Afghanistan, and in the mo... Read More
Certain viral infections are known to increase or decrease HIV-1 replication or viral load, perhaps by competing with the same receptors, or via immune and other effects.Many autoantibodies in HIV-1 infection also target the immune network and this may well contribute to pathology. Read More
Thanks again for all the effort and care you invest into your podcasts. I'm writing today to suggest a pick of the week: The Nature of Things with David Suzuki. Suzuki, one of Canada's scientist/rock-stars, hosts... Read More
Renowned influenza virologist Peter Palese has penned an opinion column for the science journal Nature in which he uses his experience in reconstructing the 1918 pandemic influenza virus strain to question the censoring of H5N1 results by the National Science Advisory Board for Biosecurity (NSAB... Read More
El podcast del Microbio Nº200 is dedicated to the memory of Baruch Blumberg (1925-2011). El podcast del Microbio Nº200 está... Read More
Looks like the polio outbreak in the Congo is pretty bad.
http://www.unicef.org/me... Read More
Life in a high-pressured environment with practically nothing to eat might be ok for high-fashion models, but it’s an unlikely lifestyle choice for a single cell whose usual overriding goal is to become two cells. Yet the largest living ecosystem on Earth—the deep biosphere—is comprised of micro... Read More
Whether or not the retrovirus XMRV is a human pathogen has been debated since the virus was first described in 2006. The answer is now clear: the results of Blood XMRV Scientific Research Group, along with a partial retraction of the 2009 Science paper describing identification of the retrovirus... Read More
Merry Youle from the Small Things Considered blog ponders the potential size a virus can be:
"With such fascinating stories being told by Mimivirus and the other giants, people are now looking for them in more environments. Modified techniques are called for, as those used previously to spot ... Read More
The genome nucleotide sequence has been determined of the bacterium GFAJ-1, which has been suggested to survive in high levels of arsenic and in fact incorporate arsenic into macromolecules. The sequence does not address the controversy over whether the bacterium can utilize arsenic. I suppose t... Read More
To the TWiVerati Intelligencia,
Each week you begin your show with the tagline, "This Week in Virology: The podcast about viruses, the kind that make you sick."
I recognize that viruses have been responsible for some of the biggest epidemic... Read More
It’s true! Each year it rains viruses, more than a trillion of them per acre over thousands of forested acres in the USA. This is the work of the airborne arm of the USDA Forest Service, part of their efforts to reduce the devastation to hardwood forests caused by the imported gypsy moth, Lymant... Read More
I have heard recently that some types of herpes virus may protect us from bacterial infections. This made me remember of myxomavirus, viral oncotherapy and how tumor cells have a compromised immune response. Do you think it is possi... Read More
El podcast del microbio Nº 233 summarize the findings by Handeman et al (Nature, 464: 908-912.) on the transfer of carbohydrate-... Read More
A discussion of the "Marshall Protocol" which is a claimed treatment for all sorts of ailments. The article discusses how the MP backers suggests not only that microbes cause a wide diversity of ailments, but that a specific protocol can cure these ailments. The article discusses the lack of e... Read More
El podcast del microbio Nº 230 summarize the work by Li et al. and published in Biotechnology Bioengineering about Microbial el... Read More
Today is World Tuberculosis Day.
"World TB Day, 24 March 2009, is about celebrating the lives and stories of people affected by TB: women, men and children who have taken TB treatment; nurses; doctors; researchers; community workers--anyone who has contributed towards the global fight agains... Read More