Researchers from Australia found something completely new while conducting a genetic study of the pathogenesis of an enteric disease in birds. They report what is believed to be the first bacterial strain to carry three closely ...
Cell & Microbiology
Nov 14, 2011
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In recent years, it has become clear that food poisoning due to Salmonella typhimurium can be contracted not only by uncooked eggs and meat but also through eating contaminated raw vegetables and fruit. So far, it was unclear ...
Cell & Microbiology
Sep 13, 2011
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Scientists have identified a family of proteins that close a critical gap in an enzyme that is essential to all life, allowing the enzyme to maintain its grip on DNA and start the activation of genes.
Cell & Microbiology
Jul 21, 2011
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Deadly bacteria may be evolving antibiotic resistance by mimicking human proteins, according to a new study by the Translational Genomics Research Institute (TGen).
Biotechnology
Jun 1, 2011
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(PhysOrg.com) -- Comparing the genomes of disease-causing and harmless bacteria, University of Arizona microbiologists found no clear genetic demarcation between the two groups. The bacteria have swapped genes in the past, ...
Cell & Microbiology
Aug 4, 2010
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For a successful infection, bacteria must outwit the immune system of the host. To this aim, they deliver so-called virulence factors through a transport channel located in the bacterial membrane. In some bacteria this transport ...
Cell & Microbiology
Jun 13, 2010
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A research appearing in Nature, with the participation of doctors Susana Campoy and Jordi Barbé from the Department of Genetics and Microbiology at UAB, Spain, demonstrates that bacteria have a surprising mechanism ...
Cell & Microbiology
May 18, 2010
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(PhysOrg.com) -- A single bacterium can act alone, performing the same kinds of actions that a group normally does. The behavior of that bacterium can be manipulated at the cellular level. That’s the intriguing finding ...
Biochemistry
Dec 8, 2009
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For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois disproves that.
Cell & Microbiology
Apr 27, 2009
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(PhysOrg.com) -- Nearly a billion years ago, bacteria evolved an insidious means of infecting their hosts — a syringe-like mechanism able to inject cells with stealthy hijacker molecules. These molecules, called virulence ...
Biochemistry
Mar 3, 2009
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