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Study of ancient and modern plagues finds common features
In 430 B.C., a new and deadly disease-its cause remains a mystery-swept into Athens. The walled Greek city-state was teeming with citizens, soldiers and refugees of the war then raging between Athens and Sparta.   view more (2008-11-24)

How Do Bacteria Swim? Brown Physicists Explain
Imagine yourself swimming in a pool: It's the movement of your arms and legs, not the viscosity of the water, that mostly dictates the speed and direction that you swim.   view more (2008-11-20)

Biomarkers for identifying infant infections
Infection is the leading cause of infant deaths worldwide, and particularly a common killer of weaker, pre-term infants. Current diagnostic tests can be slow and non-specific, but researchers have now identified potential biomarkers in the blood that can rapidly identify both the onset of infection... view more (2008-10-15)

Structures of Important Plant Viruses Determined
Flexible filamentous viruses make up a large fraction of known plant viruses and are responsible for more than half the viral damage to crop plants throughout the world.   view more (2008-10-02)

Herpes drug inhibits HIV in patients infected with both viruses
Researchers at the U.S. National Institutes of Health (NIH), McGill University and other institutions have discovered how a simple antiviral drug developed decades ago suppresses HIV in patients who are also infected with herpes.   view more (2008-09-16)

The pepperoni pizza hypothesis
What's the worst that could happen after eating a slice of pepperoni pizza? A little heartburn, for most people.   view more (2008-09-12)

UT Southwestern: Killing bacteria isn't enough to restore immune function after infection
A bacterial molecule that initially signals to animals that they have been invaded must be wiped out by a special enzyme before an infected animal can regain full health, researchers at UT Southwestern Medical Center have found.   view more (2008-09-11)

As Andean glacier retreats, tiny life forms swiftly move in, CU-Boulder study shows
A University of Colorado at Boulder team working at 16,400 feet in the Peruvian Andes has discovered how barren soils uncovered by retreating glacier ice can swiftly establish a thriving community of microbes, setting the table for lichens, mosses and alpine plants.   view more (2008-09-09)

Johns Hopkins scientists discover what drives the development of a fatal form of malaria
Platelets - those tiny, unassuming cells that cause blood to clot and scabs to form when you cut yourself - play an important early role in promoting cerebral malaria, an often lethal complication that occurs mostly in children.   view more (2008-08-19)

Cataloguing invisible life: Microbe genome emerges from lake sediment
When entrepreneurial geneticist Craig Venter sailed around the world on his yacht sequencing samples of seawater, it was an ambitious project to use genetics to understand invisible ecological communities. But his scientific legacy was disappointing - a jumble of mystery DNA fragments belonging to... view more (2008-08-18)

How flesh-eating bacteria attack the body's immune system
"Flesh-eating" or "Strep" bacteria are able to survive and spread in the body by degrading a key immune defense molecule, according to researchers at the University of California, San Diego, School of Medicine and Skaggs School of Pharmacy and Pharmaceutical Sciences.   view more (2008-08-14)

Symbiotic microbes induce profound genetic changes in their hosts
Though bacteria are everywhere - from the air we breathe and the food we eat to our guts and skin - the vast majority are innocuous or even beneficial, and only a handful pose any threat to us. What distinguishes a welcome microbial guest from an unwanted intruder?   view more (2008-07-29)

Genetic variation increases HIV risk in Africans
A genetic variation which evolved to protect people of African descent against malaria has now been shown to increase their susceptibility to HIV infection by up to 40 per cent, according to new research. Conversely, the same variation also appears to prolong survival of those infected with HIV by... view more (2008-07-17)

Penn animal study identifies new DNA weapon against avian flu
Researchers at the University of Pennsylvania School of Medicine have identified a potential new way to vaccinate against avian flu.   view more (2008-07-02)

Thinking ahead: Bacteria anticipate coming changes in their environment
A new study by Princeton University researchers shows for the first time that bacteria don't just react to changes in their surroundings -- they anticipate and prepare for them. The findings, reported in the June 6 issue of Science, challenge the prevailing notion that only organisms with complex... view more (2008-06-19)

Getting better with a little help from our 'micro' friends
A naturally occurring molecule made by symbiotic gut bacteria may offer a new type of treatment for inflammatory bowel disease, according to scientists at the California Institute of Technology.   view more (2008-05-29)

MIT crafts bacteria-resistant films
Having found that whether bacteria stick to surfaces depends partly on how stiff those surfaces are, MIT engineers have created ultrathin films made of polymers that could be applied to medical devices and other surfaces to control microbe accumulation.   view more (2008-05-16)

Ancient protein offers clues to killer condition
More than 600 million years of evolution has taken two unlikely distant cousins - turkeys and scallops - down very different physical paths from a common ancestor. But University of Leeds researchers have found that a motor protein, myosin 2, remains structurally identical in both creatures.   view more (2008-05-13)

New source for biofuels discovered
A newly created microbe produces cellulose that can be turned into ethanol and other biofuels, report scientists from The University of Texas at Austin who say the microbe could provide a significant portion of the nation's transportation fuel if production can be scaled up.   view more (2008-04-24)

University of Arizona scientist shares in discovery of microbe filaments' power
Researchers from The University of Arizona and Columbia University have discovered that tiny filaments on bacteria can bundle together and pull with forces far stronger than experts had previously thought possible.   view more (2008-04-21)

Fruit flies show how salmonella escapes immune defenses
Salmonella are wily and obnoxious bacterial invaders--escape artists capable of evading multiple immune responses and causing a harsh and debilitating intestinal infection.   view more (2008-04-17)

Cow stomach holds key to turning corn into biofuel
An enzyme from a microbe that lives inside a cow's stomach is the key to turning corn plants into fuel, according to Michigan State University scientists.   view more (2008-04-08)

'Healing clays' show promise for fighting deadly MRSA superbug infections, other diseases
Mud may be coming to a medicine cabinet or pharmacy near you. Scientists in Arizona report that minerals from clay could form the basis of a new generation of inexpensive, highly-effective antimicrobials for fighting MRSA infections that are moving out of health care settings and into the community.   view more (2008-04-07)

Team probes mysteries of oceanic bacteria
Microbes living in the oceans play a critical role in regulating Earth's environment, but very little is known about their activities and how they work together to help control natural cycles of water, carbon and energy.   view more (2008-03-04)

Study maps life in extreme environments
A team of biologists have developed a model mapping the control circuit governing a whole free living organism. This is an important milestone for the new field of systems biology and will allow the researchers to model how the organism adapts over time in response to its environment.   view more (2007-12-28)
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