Selection for nonzero mutation rate

Toby Bradshaw toby at
Mon Sep 28 12:38:32 EST 1992

I vaguely remember some experiments showing that
bacteria with abnormally low rates of mutation
are less fit than those with "normal" levels.  
Does anyone have references to this line of investigation?
I'll be happy to post a summary of responses.

Toby Bradshaw
Department of Biochemistry and College of Forest Resources
University of Washington, Seattle
toby at

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