NEW YORK (GenomeWeb News) – Temperature stress may prompt some bacteria to take on mutations associated with antibiotic resistance, even in the absence of such drugs, a BMC Evolutionary Biology study suggests. French and American researchers grew Escherichia coli bacteria in different combinations of temperature conditions and food sources. When they sequenced clones from the resulting populations, they discovered examples of E.

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In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.