News tagged with virulence genes
New leads on mechanisms that confer virulence to E.coli-type bacteria
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 ...
Dec 09, 2011 |
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Triple threat: One bacterium, three plasmids
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 ...
Nov 14, 2011 |
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Proteins enable essential enzyme to maintain its grip on DNA
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.
Jul 21, 2011 |
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Copper reduces infection risk by more than 40 percent
Professor Bill Keevil, Head of the Microbiology Group and Director of the Environmental Healthcare Unit at the University of Southampton, has presented research into the mechanism by which copper exerts its ...
Jul 01, 2011 |
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Deadly bacteria may mimic human proteins to evolve antibiotic resistance
Deadly bacteria may be evolving antibiotic resistance by mimicking human proteins, according to a new study by the Translational Genomics Research Institute (TGen).
Jun 01, 2011 |
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Bacterium Salmonella enterica regulates virulence according to iron levels found in its surroundings
Salmonella enterica, one of the main causes of gastrointestinal infections, modulates its virulence gene expression, adapting it to each stage of the infection process, depending on the free iron concentration found in the ...
May 10, 2011 |
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Bad Bacteria and Their Harmless Kin Share, Swap Genes
(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 ...
Aug 04, 2010 |
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Surprising infection inducing mechanism found in bacteria
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 to tra ...
May 18, 2010 |
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CDC: New virus lacks genes of 1918 killer flu
(AP) -- The new swine flu virus lacks genes that made the 1918 pandemic strain so deadly, a U.S. health official said Friday.
May 01, 2009 |
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New research study to shed light on emerging seaborne pathogen
A new research study at the University of Delaware seeks to determine why Vibrio parahaemolyticus, a microorganism that lives in seawater and is related to the bacterium that causes cholera, is expanding its range and vi ...
Biology /
Jan 21, 2009 |
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