Bacteria appear to speed up their evolution by positioning specific genes along the route of expected traffic jams in DNA encoding. Certain genes are in prime collision paths for the moving molecular machineries that read ...
Cell & Microbiology
Mar 29, 2013
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For decades, microbiologists thought that bacteria act individually, unaware of their multitudinous counterparts involved in causing the same infection. In the past two decades, however, they have discovered that many species ...
Cell & Microbiology
Nov 21, 2012
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(Phys.org)—Researchers Patricia A. Champion and Matthew Champion from the University of Notre Dame's Eck Institute for Global Health have developed a method to directly detect bacterial protein secretion, which could provide ...
Biochemistry
Sep 18, 2012
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Small non-coding RNAs (ncRNAs) play a hitherto unrecognised role in regulation of gene expression. To broaden knowledge on the function and evolution of these molecules, a EU project investigated various classes of regulatory ...
Cell & Microbiology
Aug 16, 2012
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Cholera is an extremely virulent intestinal infection caused by ingestion of the bacterium Vibrio cholerae (V. cholerae). EU researchers elucidated the molecular mechanisms behind expression of virulence genes with important ...
Cell & Microbiology
Jul 9, 2012
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(Phys.org) -- Salmonella becomes dangerously virulent only when molecular sensors within the organism sense changes in the environment, a team of researchers from the Yale School of Medicine and the Yale Microbial Diversity ...
Cell & Microbiology
Jun 15, 2012
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(Phys.org) -- The virulence of plant-borne diseases depends on not just the particular strain of a pathogen, but on where the pathogen has been before landing in its host, according to a new study from researchers at the ...
Plants & Animals
Apr 19, 2012
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A team headed by scientists from the IRB Barcelona reports how the protein Ler, which is found in pathogenic bacteria, interacts with certain DNA sequences, thereby activating numerous genes responsible for virulence, which ...
Cell & Microbiology
Dec 9, 2011
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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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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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