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TWiV 108: Barking up the right Tre

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On episode #108 of the podcast This Week in Virology, Vincent, Alan, Rich, and Saul review the evolution of HIV-1 specific recombinases, and down-regulation of a host microRNA by a viral noncoding R... Read More

TWiV 108 Letters

Zephyr writes:

Hello everyone, dear doctors Racaniello, Despommier, Alan Dove and Rich Condit,

I've been a devoted listener since April 2009. Like many others listeners then I quickly caught up with all previous episodes (I'll never forget that memorable one devoted ... Read More

Tracking HIV genetic mutations helps convict two men in criminal cases

Viruses possess an ability to mutate into strains that can render vaccines useless and become deadlier than their predecessor. But for a team of Texan scientists, this biological danger became a forensic asset that helped prosecutors convict two men accused of infecting close to a dozen women wi... Read More

Gastroenteritis may be over in a few days, but the consequences can linger for years

If you’re unlucky enough to experience a case of gastroenteritis, you might endure several days of diarrhea and then think your woes are over.

Not so fast.

According to a study published online Friday in the British Medical Journal, a bout of acute gastroenteritis can increase one’s risk o... Read More

Life Found in the Deepest, Unexplored Layer of the Earth’s Crust submit to reddit . .

At this point, after finding microorganisms that don’t mind extreme temperatures, pressure, aridity and other hardships, we shouldn’t be surprised that bacteria’s dominion over the Earth extends to just about anywhere we look. A new expedition to the Earth’s crust has reached unprecedented depth... Read More

New water filter kills disease-causing bacteria in just seconds

An inexpensive new filtering technology can kill up to 98 percent of disease-causing bacteria in water in just seconds without clogging.

American Chemical Society's (ACS) award-winning podcast series, "Global Challenges/Chemistry Solutions", latest episode focused on development and successfu... Read More

Trained bacteria convert bio-wastes into plastic

Researcher Jean-Paul Meijnen has 'trained' bacteria to convert all the main sugars in vegetable, fruit and garden waste efficiently into high-quality environmentally friendly products such as bioplastics. He will be defending his doctoral thesis on this topic, which was carried out in the contex... Read More

Advances made in developing hepatitis C vaccine

Scientists are zeroing in on a promising vaccine to treat hepatitis C, an international symposium was told Friday in Montreal.

Three preliminary clinical trials in England are showing that a so-called therapeutic vaccine can boost the immune response in those infected with the hepatitis C vir... Read More

Protein Discovery Helps Explain the Body’s Failure to Kill HIV

Researchers at Rush University Medical Center in Chicago have discovered a protein produced by HIV that keeps infected cells from signaling the immune system that they are harboring the virus and should be killed. These data, which suggest a new target for HIV drugs, were published online Octobe... Read More

TWiP 19: Enterobius vermicularis, the pinworm

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Vincent and Dickson move on to nematodes with a discussion of the pinworm Enterobius vermicularis.

Download  Read More

TWiP 19 Letters

Brian writes:

Hi, Vincent and Dick,

Love your podcast, and did not drink from the streams in Switzerland, because of the cows at all altitudes, even though your Giardia-cast only came up upon my return. Read More

As Cheesemaking Blooms, So Can Listeria

Listeria can pose special challenges for artisan cheesemakers. Many make their cheese right on the farm, where the bad bacteria are right outside the cheese room door. And small producers often lack the safety training and resources available at bigger companies.

For example, Sharon McCool g... Read More

Busy Microbial World Discovered in Deepest Ocean Crust Ever Explored

The first study to ever explore biological activity in the deepest layer of ocean crust has found bacteria with a remarkable range of capabilities, including eating hydrocarbons and natural gas, and "fixing" or storing carbon.

The research, just published in the journal PLoS One, showed that ... Read More

E coli infection linked to kidney, heart problems

People who contract gastroenteritis by drinking E-coli infested water are at a greater risk of developing high blood pressure, kidney problems and heart disease in later life, says a study.

The findings underline the importance of ensuring safe food and water supply and the need for regular m... Read More

In Fending Off Diseases, Plants and Animals Are Much the Same, Research Shows

Contrary to long-held beliefs, plants and animals have developed remarkably similar mechanisms for detecting microbial invasions. This holds promise for the future treatment of infectious diseases in humans.

It may have been 1 billion years since plants and animals branched apart on the evolu... Read More

USA Science and Engineering Festival - Part 1 (MWV42)


On October 23 2010, MicrobeWorld attended the first annual USA Science and Engineering Festival on the National Mall in Washington, D.C. In part 1 of this two-part video, Read More

People shunning influenza vaccine due to swine flu 'myths' it has been warned

Government experts are urging those eligible for the vaccine to have it otherwise they will remain vulnerable to flu this winter.

Uptake rates so far this season have shown that fewer people are having the jab than last year.

At the end of October, 48 per cent of over 65s had so far accept... Read More

Symposium on the Microbiome - the Good, the Bad & the Beautiful

Full day symposium, free to the public, held at Mountcastle Auditorium at Johns Hopkins University. Speakers include Drs. Brendan Cormack, Tom Cebula, Craig Townsend, Cindy Sears, Ying Zhang (all from JHU), Jacques Ravel, Claire Fraser-Liggett, Jim Kaper (IGS & UMSOM), Barak Cohen (Wash U), Dave... Read More

Experts Find Bacteria That Help Pests Change Color

Scientists in Japan and France have identified a bacterium which appears to turn red plant lice green, enabling them to evade predators and thrive on crops.

The discovery has important implications for pest control as these lice, or aphids, are among the most destructive insects in temperate ... Read More

Bacteria use 'toxic darts' to disable each other, scientists say

In nature, it's a dog-eat-dog world, even in the realm of bacteria. Competing bacteria use "toxic darts" to disable each other, according to a new study by UC Santa Barbara biologists. Their research is published in the journal Nature.

"The discovery of toxic darts could eventually lead to ne... Read More
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