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Genetic variation in human gut viruses could be raw material for inner evolution

A growing body of evidence underscores the importance of human gut bacteria in modulating human health, metabolism, and disease. Yet bacteria are only part of the story. Viruses that infect those bacteria also shape who we are. Frederic D. Bushman, PhD, professor of Microbiology at the Perelman ... Read More

Moffitt Cancer Center Researchers Discover How Cancer Cells “Hijack” a Mechanism to Grow

Researchers at Moffitt Cancer Center and colleagues at the University of South Florida have discovered a mechanism that explains how some cancer cells “hijack” a biological process to potentially activate cell growth and the survival of cancer gene expression.

Their study appeared in a recen... Read More

Special Session on Human Microbiome Livestreaming Free Online from ASM Annual Meeting

A newly added session at the 2012 General Meeting of the American Society for Microbiology will focus on the latest data release by the NIH Human Microbiome Project (HMP).

The HMP has been a five-year endeavor to produce community resources to support the human microbiome field. These activit... Read More

Geneticists discover global strategies used by bacteria to adapt to changing environmental conditions

The research findings, published this week in two papers in the journal Science provide new insights into the behavior of bacteria.

International collaborative research by Trinity College Dublin geneticists has established a blueprint as to how bacteria respond to environmental and nutritiona... Read More

Thyme's Time as Acne Remedy May Be Coming Soon

The next new acne treatment may be found in the produce section of your food store.

Largely due to its anti-inflammatory and anti-bacterial properties, the herb thyme -- which is found with other herbs in the produce section of most food stores -- may well earn itself a place in the skin care... Read More

Fed fiber, killer cells may ward off cancer

Fiber supplements may help the body’s own killer cells fight bacterial infection and reduce inflammation, greatly decreasing the risk of colon cancer.

Prebiotics are fiber supplements that serve as food for the trillions of tiny bacteria living in the gut. When taken, they can stimulate the g... Read More

TWiV 190 Letters

Cara writes:


Hello Vincent and Team TWIV,


I love Virology, and it is with much chagrin that I admit I have only recently started listening to TWIV. However I have tried to mend the error of my ways by: 1) proselytizing the benefits (keeping up-to-date with and... Read More

Modeling social networks

What looks like a Native American dream catcher is really a network of social interactions within a community. The red dots along the inner and outer circles represent people, while the different colored lines represent direct contact between them. All connections originate from four individuals... Read More

RNA virus packaging specificity explained?

In 1969 David Baltimore proposed that poliovirus RNA replication is coupled with packaging, in that only those genomes actively replicating will be selectively encapsidated. From an evolutionary standpoint, it is an ingenious requirement to ensure that only virus genomes capable of replication ... Read More

TWiV 167: It starts with a cough



Hosts: Vincent Racaniello, Dickson Despommier Read More

TWiV 188 Letters

Judi writes:


To our TWIV leaders!


If you have a mac with Apps, please go to the app store and download cell images.... I think you'll have a great time going through them.


One other thing - I listened to your show on science reform with interest but I ... Read More

Group urges speedier approvals for badly needed antibiotics

Infectious-disease doctors have proposed a speedier, easier approval process for drug companies developing antibiotics against untreatable illnesses.

The Infectious Diseases Society of America (IDSA) made the proposal today at a hearing of a subcommittee of the US House of Representatives Com... Read More

Killer bird flu? What's behind the controversy over bird flu research

Trine Tsouderos, Chicago Tribune reporter, has published a Q&A with several leading virologists on the controversy surrounding the potential impact of full publication of two studies on the airborne transmissibility of H5N1.

"Media reports about the controversy have been marked by frightenin... Read More

“Snowing Microbes” On Saturn’s Moon?

Enceladus, Saturn’s 318-mile-wide moon that’s become famous for its ice-spraying southern jets, is on astronomers’ short list of places in our own solar system where extraterrestrial life could be hiding — and NASA’s Cassini spacecraft is in just the right place to try and sniff it out.


On ... Read More

Microbes Capable of Surviving Harsh, Mars-Like Conditions Discovered

Soil samples obtained from South American volcanoes have revealed a smattering of different microbe types that have somehow managed to survive in extreme conditions, the University of Colorado-Boulder (CU-Boulder) announced in a June 8 press release.

According to the university, the scientist... Read More

Synthetic Stool a Prospective Treatment for C. Difficile

A synthetic mixture of intestinal bacteria could one day replace stool transplants as a treatment for Clostridium difficile (C. difficile). C . difficile is a toxin-producing bacteria that can overpopulate the colon when antibiotics eradicate other, naturally protective bacteria living there.

... Read More

Microbes Go Rafting on Floating Volcanic Rocks

Volcanoes bring death and destruction, but out of the ashes life soon finds fertile ground. A unique experiment is sifting through floating debris from an ongoing volcanic event to see how microbes move in. The results may help in assessing a recent hypothesis that the first life forms may have ... Read More

A viral mashup in snakes

If you know anything about snakes you might be familiar with snake inclusion body disease, or IBD. This transmissible and fatal disease affects snakes of a variety of species but has been best studied in boas. The name comes from the presence of large masses (inclusions) in the cytoplasm of cell... Read More

India polio-free for one year

A year has passed since the last reported case of poliomyelitis in India, which occurred on 13 January 2011 in a two year old girl in Howrah, West Bengal. Read More

Yale Nobel laureate creates compound that halts growth of malaria parasite

A drug candidate that has shown promise for neutralizing dangerous bacteria also prevents growth of the parasite that causes malaria, new research by a Yale University team headed by Nobel laureate Sidney Altman shows.

The compound created in the labs of Altman and co-senior author Choukri Be... Read More

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