Gut instinct: Salmonella bacteria's molecular tactics to cause illness

Hundreds of trillions of bacteria make their home in the vertebrate gut. Though many of these microbes perform helpful duties for their host, others—the pathogens—are unwelcome visitors, causing disease.

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<p><a href="http://www.physorg.com/news148736026.html">Gut instinct: Salmonella bacteria's molecular tactics to cause illness</a></p> <p>Hundreds of trillions of bacteria make their home in the vertebrate gut. Though many of these microbes perform helpful duties for their host, others—the pathogens—are unwelcome visitors, causing disease.</p>