News tagged with virulence factors
Structural biology scores with protein snapshot
Jun 25, 2009 |
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In a landmark technical achievement, investigators in the Vanderbilt Center for Structural Biology have used nuclear magnetic resonance (NMR) methods to determine the structure of the largest membrane-spanning ...
Researchers discover how infectious bacteria can switch species
Biology /
Oct 09, 2008 |
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Scientists from the Universities of Bath and Exeter have developed a rapid new way of checking for toxic genes in disease-causing bacteria which infect insects and humans. Their findings could in the future ...
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Evolution of virulence regulation in Staphylococcus aureus
Biology /
Oct 09, 2008 |
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Scientists have gained insight into the complex mechanisms that control bacterial pathogenesis and, as a result, have developed new theories about how independent mechanisms may have become intertwined during evolution. The ...
New protein identified in bacterial arsenal
Mar 03, 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, ...
Bioinformatics sheds light on evolutionary origin of Rickettsia virulence genes
Mar 12, 2009 |
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Scientists from the Virginia Bioinformatics Institute (VBI) at Virginia Tech, the University of Maryland School of Medicine, and the University of Louisville have revealed that genes for a specific type of molecular secretion ...
Two-pronged protein attack could be source of SARS virulence
Oct 29, 2009 |
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Ever since the previously unknown SARS virus emerged from southern China in 2003, University of Texas Medical Branch at Galveston virologists have focused on finding the source of the pathogen's virulence — its ability to ...
Researchers identify a worldwide-distributed clone of bacteria responsible for Legionnaire's disease
Biology /
Feb 06, 2008 |
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A study published online today in Genome Research describes new insights into Legionella pneumophila, the bacteria responsible for most cases of Legionnaires’ disease. This report investigates the genetic background of L. pneumop ...
A connected world gives viruses the edge
May 27, 2009 |
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That's one conclusion from a new study that looked at how virulence evolves in parasites. The research examined whether parasites evolve to be more or less aggressive depending on whether they are closely ...
Mutant parasites, unable to infect hosts, highlight virulence genes
May 30, 2007 |
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With a single approach, microbiologists at the University of Wisconsin-Madison have identified dozens of clues to how human parasites may infect their hosts.
Scientists identify blood component that turns bacteria virulent
Biology /
Nov 21, 2008 |
4.8 / 5 (12) |
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Scientists from the Scripps Research Institute have discovered the key chemical that signals Bacillus anthracis, the bacterium that causes anthrax, to become lethal. This finding opens up new avenues of exploration for th ...
Researchers find link to severe Staph infections
Dec 23, 2008 |
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Researchers at The University of Texas School of Public Health recently described studies that support the link between the severity of community-acquired antibiotic-resistant Staphylococcus aureus (CA MRSA) infections and th ...
Structure of a virulent pathogen revealed
Biology /
Dec 04, 2008 |
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(PhysOrg.com) -- Like high-profile politicians, pathogenic bacteria dispatch advance teams to make way for their arrival. But these bacterial agents don’t just secure a safe passage, as a Secret Service detail ...
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