1887

Abstract

Summary: Seventy-three cysteine auxtrophs of strain 13 were arranged in six transductional groups. Members of these groups had nutritional requirements similar to and mutants. The chromosomal topography of the mutants resembles that of and mutants in that they are not arranged in an operon and mutants are co-transducible with tryptophan markers. The auxotrophs may be equivalent to and mutants which have similar nutritional requirements. In is closely linked to and the cluster may also be present in this organism. The mutants, which are co-transducible with an arginine gene cluster, seem to lack -acetylserine sulphhydrylase activity.

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/content/journal/micro/10.1099/00221287-70-1-77
1972-04-01
2020-01-23
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-70-1-77
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