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Biomedical subjects

M Levine

Publications and source records attributed to M Levine.

At least 613 records · Page 34Linked to original sources

Recombination-deficient mutant of Salmonella typhimurium.

A recombination-deficient (Rec(-)) ultraviolet-sensitive mutant of Salmonella typhimurium was isolated. The mutant grows more slowly than the wild-type strain and degrades its deoxyribonucleic acid extensively both during normal growth and after ultraviolet irradiation. Evidence is presented that a growing Rec(-) population consists of two types of cells, one which can divide and one which cannot.

Centrifugation, Density Gradient↗