Effects of N -Hydroxyurethan on Viability and Metabolism of Escherichia coli

Author:

Mullinix Kathleen P.1,Rosenkranz Herbert S.1

Affiliation:

1. Department of Microbiology, College of Physicians and Surgeons, Columbia University, New York, New York 10032

Abstract

Exposure of growing cells to low levels of N -hydroxyurethan (approximately 0.05 m ) resulted in loss of colony-forming ability. This was accompanied by degradation of cellular deoxyribonucleic acid. When the concentration of N -hydroxyurethan was increased to 0.2 m , bacteriostasis was the primary manifestation. The lethal action of the drug was prevented by contreatment with chloramphenicol or azauracil or by uracil-deprivation of a bacterial strain requiring this pyrimidine for growth.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

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