The ancestors of the simian immunodeficiency viruses (SIVs) that jumped from chimpanzees and monkeys, and ignited the HIV/AIDS pandemic in humans, have been dated to just a few centuries ago. These ages are substantially ...
May 01, 2009
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Long ago, when life on our planet was in its infancy, a group of small single-celled algae floating in the vast prehistoric ocean swam freely by beating whip-like tails, called flagella. It's a relatively unremarkable tale, ...
Dec 11, 2012
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For many years scientists thought that mosquitoes provided the disease organisms which they spread with a relatively free ride because the insects didn't have much in the way of natural defenses to fight ...
Nov 29, 2012
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Bacteria can talk to each other via molecules they themselves produce. The phenomenon is called quorum sensing, and is important when an infection propagates. Now, researchers at Linköping University in Sweden are showing ...
Nov 06, 2012
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Cheating. Conflict. Competition. It may sound like a soap opera but this is the complex life of the despised ragweed plant.
Oct 01, 2012
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A 500-year-old frozen Incan mummy suffered from a bacterial lung infection at the time of its death, as revealed by a novel proteomics method that shows evidence of an active pathogenic infection in an ancient ...
Jul 25, 2012
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Researchers have identified enzymes and biochemical compounds called lipids that are targeted and modified by the dengue virus during infection, suggesting a potential new approach to control the aggressive ...
Mar 22, 2012
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Scientists from Queen Mary, University of London have discovered the workings behind some of the bacteria that kill hundreds of thousands every year, possibly paving the way for new antibiotics that could treat infections ...
Feb 09, 2012
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(PhysOrg.com) -- For decades, scientists and farmers have attempted to understand how a bacterial pathogen continues to damage tomatoes despite numerous agricultural attempts to control its spread.
Nov 03, 2011
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(PhysOrg.com) -- In analyzing malaria mosquitoes in sub-Saharan Africa, a Cornell-led team of researchers finds evidence of two very different evolutionary paths in the immune systems of neighboring mosquito ...
Mar 22, 2011
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Scientists have discovered a new way to attack dangerous pathogens, marking a hopeful next step in the ever-escalating battle between man and microbe.
Feb 10, 2011
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Scientists battling Leishmania, a parasite second only to malaria in the number of deaths it causes, have identified an important vulnerability in the genetic code of one major parasite strain.
Nov 19, 2010
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The types of gut bacteria that populate the guts of primates depend on the species of the host as well as where the host lives and what they eat. A study led by Howard Ochman at Yale University examines the gut microbial ...
Nov 16, 2010
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Researchers have a pair of new suspects in the mysterious collapse of honey bee colonies across the country.
Oct 07, 2010
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