SPONTANEOUS AND MUTATOR-INDUCED REVERSIONS OF AN ESCHERICHIA COLI AUXOTROPH II. : Acetylornithinase Activity Associated with the Different Revertant Types1

AUTOR(ES)

Bacon, Donald F.

RESUMO

Bacon, Donald F. (Yale University, New Haven, Conn.), and Henry P. Treffers. Spontaneous and mutator-induced reversions of an Escherichia coli auxotroph. II. Acetylornithinase activity associated with the different revertant types. J. Bacteriol. 82:48–53. 1961.—In a preceding communication it was shown that three principal groups of spontaneous revertants from an ornithine-requiring strain of Escherichia coli could be distinguished on the basis of their growth characteristics. They were designated as fast (F) (identical with the wild type), slow-48 (S48), and slow-72 (S72). The present paper presents data on the acetylornithinase activities as well as precursor accumulations of typical revertants from each group.

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