PMID:4896920

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Citation

Delvaux, AM and Devoret, R The occurrence of suppressors in caffeine-resistant mutants from E. coli K12. Mutat. Res. 7:273-85

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Notes

  • Caffeine Resistant bacteria developed from UV repair deficient strains were found to have acquired increased resistance to UV irradiation.
  • In some strains of caffeine resistant bacteria there was found to be a correlation between caffeine resistance and suppression, specifically; of the CafR mutants derived from substrain 112-12 80% carried the su-II+ amber suppressor, indicating a possible process for collecting suppressor mutants by selecting for caffeine resistance.

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