Plasmid macro-evolution: selection of deletions during adaptation in a nutrient-limited environment

@article{Modi1991PlasmidMS,
  title={Plasmid macro-evolution: selection of deletions during adaptation in a nutrient-limited environment},
  author={Rajiv I. Modi and Charles M Wilke and R. Frank Rosenzweig and Julian Adams},
  journal={Genetica},
  year={1991},
  volume={84},
  pages={195-202}
}
Under conditions where plasmid-carriage is deleterious to the cell, evolutionary changes may be expected which result in an attenuation of the deleterious effect of the plasmid. During long-term growth in glucose-limited continuous culture, initiated with a single clone of Escherichia coli containing a derivative of the plasmid pBR322, a structural change arose in the plasmid and predominated in the plasmid-containing sector of the population. This variant possessed a 2.25 kb deletion… CONTINUE READING

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