PMID:783151

Citation	Ramabhadran, TV (1976) Method for the isolation of Escherichia coli relaxed mutants, utilizing near-ultraviolet irradiation.J. Bacteriol. 127:1587-9
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.
Links	PubMed
Keywords	Bacteriological Techniques; Escherichia coli; Mutation; Ultraviolet Rays
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Materials and Methods Used

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Phenotype Annotations

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Phenotype of	Taxon Information	Genotype Information (if known)	Condition Information	OMP ID	OMP Term Name	ECO ID	ECO Term Name	Notes	Status
a mutation or genetic difference within a strain	Taxon: Escherichia coli Strain: K-12 Substrain: NCBI Taxon ID: 83333	Genotype of Reference Strain: relA Genotype of Experimental Strain : relA -	Reference Condition:			ECO:0000178	in vivo assay data	Near UV irradiation resistance.
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