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Overuse of antibiotics spurs vicious cycle

Patients whose doctors over-prescribe antibiotics may develop drug resistance that lasts up to a year, putting them and the population at risk when more serious treatment is needed, scientists said on Wednesday. The more antibiotics are prescribed for coughs and flu-like illnesses, or urine infe... Read More

mBio Releases Inaugural Issue

There’s no place like home. Just like Dorothy, today mBio will click its heels and end up right where it started, but with a whole new look (and in Technicolor!). The journal has launched its official website AND its inaugural issue at the familiar old URL it has had all along: http://mbio.asm... Read More

Hunt for genetic causes of diseases narrows targets

The falling cost of genome sequencing has kicked off a new phase in the search for the genetic underpinnings of complex diseases such as asthma, diabetes and autism....
Published in Nature May 18th
from the Biology of Genomes meeting in Cold Spring Harbor
by Alla Katsnelson Read More

A Conversation With Jeffrey L. Bada: A Marine Chemist Studies How Life Began

Jeffrey L. Bada, 67, is the distinguished professor of marine chemistry at the University of California, San Diego. He studies how life began. We spoke for an hour during the American Association for the Advancement of Science’s annual meeting in San Diego last winter and again this month by tel... Read More

Did the End of Smallpox Vaccination Cause the Explosive Spread of HIV?

Vaccinia immunization, as given to prevent the spread of smallpox, produces a five-fold reduction in HIV replication in the laboratory. Researchers writing in the open access journal BMC Immunology suggest that the end of smallpox vaccination in the mid-20th century may have caused a loss of pro... Read More

Surprising Infection Inducing Mechanism Found in Bacteria

A study appearing in Nature, with the participation of doctors Susana Campoy and Jordi Barbé from the Department of Genetics and Microbiology at UAB, demonstrates that bacteria have a surprising mechanism to transfer virulent genes causing infections. The researchers describe an unprecedented ev... Read More

Bacterial Growths May Offer Clues About Earth's Past

By linking the odd geometry of bacterial growths to photosynthesis, researchers may have a new way to study Earth’s oldest fossils.

About 85 percent of the history of life on Earth has been solely microbial, meaning that single-celled organisms ruled the planet for billions of years before mo... Read More

New 'Tree of Life' Established for One of the Largest Groups of Bacteria

A new "tree of life" has been constructed by researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech for the gamma-proteobacteria, a large group of medically and scientifically important bacteria that includes Escherichia coli, Salmonella typhimurium, and other disease-causin... Read More

Scientists Weigh Use of Bacteria for Cleaner Fossil Fuel Production

Much of the world's oil reserves lies in giant tar sand stretches in places like Alberta and Venezuela. While the oil industry uses an energy-intensive and fairly dirty process to make steam to cook the oil out of the tar sands, underground bacteria simply eat the crude oil and break it down int... Read More

Cancer's sweet tooth becomes a target

A drug that blocks the way cancer cells generate energy could lead to a new class of cancer treatments.

The first human trial of the drug, published this week, is reported to have extended the lives of four people with an aggressive form of brain cancer.

The result is preliminary, but it s... Read More

El podcast del microbio Nº 109: Derrames de petróleo



























The Nº 109 of the "El podcast del microbio" deals with the recent oil spill in the Gulf of Mexico caused by the accident in the Deepwater Hor... Read More

We are what we eat

Karen Schwarzberg and Mike Gurney, students in the Spring 2010 graduate course in Integrative Microbiology at the University of California at San Diego/San Diego State University Joint Doctoral Program, consider the implications of a paper recently published in Nature by Hehemann et al., that st... Read More

Our bees are buzzing off. But why?

In many places, the country air has become just that little bit quieter. The reason: our bees have stopped buzzing. Over the past few years, honeybees have suddenly and inexplicably disappeared from colonies that once thrived across the northern parts of the American and European continents.

... Read More

UTIs becoming harder to treat

Genes that make bacteria resistant to antibiotics can be transferred between humans and other animals, say researchers writing in this month's issue of the Journal of Medical Microbiology. The findings will help health experts to assess how using antibiotics in food-producing animals can affect ... Read More

New breakthrough in fight against lethal CCHF virus

Crimean-Congo haemorrhagic fever (CCHF) virus is a rare but serious human infection that causes internal bleeding, organ failure and ultimately death. Scientists writing in the Journal of General Virology have developed a new model to study CCHF which should enhance the development of vaccines a... Read More

How Bacterial Community Evolves to Survive

An international team led by a University of Cincinnati (UC) researcher has shown how a bacterial community evolves to survive hostile host defenses in the body.

The team, led by Malak Kotb, PhD, chair of UC's of molecular genetics, biochemistry and microbiology department, analyzed the evolu... Read More

Trained Bacteria Cleans Up Pesticides

Can we get bugs to do our bidding? Emory chemist Justin Gallivan has moved science another step closer to that possibility. His lab reprogrammed an innocuous strain of the bacterium Escherichia coli to "seek and destroy" the molecules of an herbicide called atrazine.

"Rather than just alterin... Read More

Peptides may hold ‘missing link’ to life

Simple peptides can organize into bi-layer membranes. This recent finding suggests a “missing link” between the pre-biotic Earth’s chemical inventory and the organizational scaffolding essential to life.

“We’ve shown that peptides can form the kind of membranes needed to create long-range ord... Read More

'Google Flu Trends' Found to be Nearly On Par With CDC Surveillance Data

Seasonal flu epidemics account for as many as half a million deaths worldwide each year. And the rapid spread of new strains can cause many more (the 2009 H1N1 flu pandemic alone killed more than 16,000 people, according to the World Health Organization). Quickly detecting a regional rise in flu... Read More

Neglected Tropical Diseases in the Western Hemisphere

In an editorial in The New York Times (17 May 2010) Peter Hotez, Professor of Medicine at George Washington University, President of the Sabin Vaccine Institute, and the author of the book "Forgotten People, Forgotten Diseases" writes that the neglected tropical diseases are found not just in Af... Read More
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