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. 1976 Sep;127(3):1587–1589. doi: 10.1128/jb.127.3.1587-1589.1976

Method for the isolation of Escherichia coli relaxed mutants, utilizing near-ultraviolet irradiation.

T V Ramabhadran
PMCID: PMC232962  PMID: 783151

Abstract

Near-ultraviolet radiation (300 to 380 nm) induces a transient growth inhibition in "stringent" (rel+) strains of Escherichia coli, whereas "relaxed" (rel-) strains are only mildly affected. This difference permits rapid isolation of large numbers of relaxed mutants of E. coli.

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Selected References

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