Genomic identification of a novel mutation in hfq that provides multiple benefits in evolving glucose-limited populations of Escherichia coli

J Bacteriol. 2010 Sep;192(17):4517-21. doi: 10.1128/JB.00368-10. Epub 2010 Jun 11.

Abstract

Beneficial mutations in diversifying glucose-limited Escherichia coli populations are mostly unidentified. The genome of an evolved isolate with multiple differences from that of the ancestor was fully assembled. Remarkably, a single mutation in hfq was responsible for the multiple benefits under glucose limitation through changes in at least five regulation targets.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adaptation, Physiological*
  • Escherichia coli / genetics*
  • Escherichia coli / growth & development*
  • Escherichia coli / metabolism
  • Escherichia coli / physiology
  • Escherichia coli Proteins / genetics*
  • Escherichia coli Proteins / metabolism
  • Evolution, Molecular*
  • Gene Expression Regulation, Bacterial
  • Genome, Bacterial*
  • Glucose / metabolism*
  • Glucose / pharmacology*
  • Host Factor 1 Protein / genetics*
  • Host Factor 1 Protein / metabolism
  • Mutation*

Substances

  • Escherichia coli Proteins
  • Hfq protein, E coli
  • Host Factor 1 Protein
  • Glucose