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Genetic analysis of sul mutants of Escherichia coli B

Published online by Cambridge University Press:  14 April 2009

John J. Donch ,
Young Sup Chung ,
Michael H. L. Green ,
Joseph Greenberg  and
Guylyn Warren
John J. Donch
Affiliation:
Palo Alto Medical Research Foundation, 860 Bryant Street, Palo Alto, California 94301
Young Sup Chung
Affiliation:
Palo Alto Medical Research Foundation, 860 Bryant Street, Palo Alto, California 94301
Michael H. L. Green
Affiliation:
Palo Alto Medical Research Foundation, 860 Bryant Street, Palo Alto, California 94301
Joseph Greenberg
Affiliation:
Palo Alto Medical Research Foundation, 860 Bryant Street, Palo Alto, California 94301
Guylyn Warren
Affiliation:
Palo Alto Medical Research Foundation, 860 Bryant Street, Palo Alto, California 94301
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Summary

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The sul gene of B/rw (Witkin) and 26 independently isolated sul mutants were examined for their suppression of radiation sensitivity. The suppressed lon gene was demonstrated by transducing it into a K12 proC recipient. The sul gene of B/rw and all but one of the B/r mutants was found to be linked to a gene controlling azide resistance. Transduction data established the order of markers as leu azi mutT sul. One B/r mutant was found not transducible with azide resistance, sul mutations were found to suppress the capsular polysaccharide production of lon strains.

Type
Research Article
Information
Genetics Research , Volume 17 , Issue 3 , June 1971 , pp. 185 - 193
Copyright
Copyright © Cambridge University Press 1971

References

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