News tagged with escherichia coli

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Bacterial guests double as bodyguards

The bacterium Escherichia coli can be a scientist’s best friend when it’s being used as a tool for biological research, but some strains of it are better known for their nasty effects on humans as ...

May 04, 2011
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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 ...

Apr 01, 2011
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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 ...

Mar 23, 2011
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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 ( ...

Mar 02, 2011
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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 ...

Nov 19, 2010
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