News tagged with escherichia coli

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E. coli an unlikely contaminant of plant vascular systems

A technique developed by U.S. Department of Agriculture (USDA) scientists for tracking pathogens has helped confirm that Escherichia coli is not likely to contaminate the internal vascular structure of field-grown leafy greens ...

dateApr 01, 2011 in Other
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Bacteria poison themselves from within

(PhysOrg.com) -- The research group led by Anton Meinhart at the Max Planck Institute for Medical Research in Heidelberg has shown that proteins from the zeta toxin group trigger a self-destructive mechanism in bacteria. ...

dateMar 23, 2011 in Cell & Microbiology
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CO2 exacerbates oxygen toxicity

French research team at the Laboratoire de Chimie Bacterienne has demonstrated that carbon dioxide (CO2) plays a role in the formation of oxidative damage in vivo. Under conditions of oxidative stress, certain types of damage ...

dateMar 02, 2011 in Cell & Microbiology
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Copycat protein finds a perfect match

As proteins are synthesized during messenger RNA translation, fresh amino acids are delivered to the ribosome of the cell by nucleic acid molecules known as transfer RNAs (tRNAs). Each amino acid has a cognate tRNA, and the ...

dateNov 19, 2010 in Cell & Microbiology
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