Article
Experimental Evolution of Metabolic Dependency in Bacteria.
PLoS genetics - 1 Nov 2016
D'Souza Glen, Kost Christian
Abstract excerpt
Bacteria frequently lose biosynthetic genes, thus making them dependent on an environmental uptake of the corresponding metabolite. Despite the ubiquity of this 'genome streamlining', it is generally unclear whether the concomitant loss of biosynthetic functions is favored by natural selection or rather caused by random genetic drift. Here we demonstrate experimentally that a loss of metabolic functions is...
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