Pervasive compensatory adaptation in Escherichia coli.

  title={Pervasive compensatory adaptation in Escherichia coli.},
  author={Francisco B.-G. Moore and Daniel E Rozen and Richard E. Lenski},
  journal={Proceedings. Biological sciences},
  volume={267 1442},
To investigate compensatory adaptation (CA), we used genotypes of Escherichia coli which were identical except for one or two deleterious mutations. We compared CA for (i) deleterious mutations with large versus small effects, (ii) genotypes carrying one versus two mutations, and (iii) pairs of deleterious mutations which interact in a multiplicative versus synergistic fashion. In all, we studied 14 different genotypes, plus a control strain which was not mutated. Most genotypes showed CA… CONTINUE READING


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