Humans are far more than merely the sum total of all the cells that form the organs and tissues. The digestive tract is also home to a vast colony of bacteria of all varieties, as well as the myriad viruses that prey upon ...
Cell & Microbiology
Jul 26, 2013
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Most bacteria are able to communicate with each other by secreting signaling molecules. Once the concentration of signals has reached a critical density ("the Quorum), the bacteria are able to coordinate their behavior. Only ...
Cell & Microbiology
Jul 18, 2013
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A novel disease in songbirds has rapidly evolved to become more harmful to its host on at least two separate occasions in just two decades, according to a new study. The research provides a real-life model to help understand ...
Plants & Animals
May 28, 2013
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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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(Phys.org) —A protein that acts as a chaperone and escorts pathogenic bacteria through the acid bath of the human stomach actually needs to lose its shape in order to work.
Cell & Microbiology
Mar 5, 2013
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The secret to the deadly 2011 E. coli outbreak in Germany has been decoded, thanks to research conducted at Michigan State University.
Biotechnology
Jul 26, 2012
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(Phys.org) -- In the first field study of its kind researchers at Royal Holloway, University of London and the University of Oxford have investigated the competitive dynamics of pathogenic and non-pathogenic strains of bacteria.
Cell & Microbiology
Jul 6, 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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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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