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March 21, 2011 / Martijn

Over Many Generations, Gradual adaptation is better

Slower-evolving bacteria start slow, but their gradual adaptation means they take advantage of later mutations passed up by faster-evolving bacteria — and eventually out-evolve their speedier rivals — according to research led by SFI Science Board member Richard Lenski.Research carried out in Lenski’s lab at Michigan State University on two lineages of E. coli shows that rapidly evolving ‘hare’ bacteria were eventually wiped out by slower adapting ‘tortoise’ bacteria.

via Over Many Generations, Study Suggests, Gradual adaptation is better | Santa Fe Institute.


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