Differences Between Escherichia coli B/r and Salmonella typhimurium LT-2 in the Sedimentation Behavior of the Deoxyribonucleic Acid Synthesized After X-Irradiation

Author:

Hudnik-Plevnik Tamara A.1,Djordjević Nadežda1

Affiliation:

1. Department of Biochemistry, Radiological Laboratory, “Boris Kidrič” Institute of Nuclear Sciences, Belgrad, Yugoslavia

Abstract

After irradiation, nearly equal amounts of deoxyribonucleic acid (DNA) are synthesized in radiation-sensitive Salmonella typhimurium and in resistant Escherichia coli B/r. However, the DNA synthesized in S. typhimurium is of low molecular weight, whereas that made in the E. coli B/r is like that synthesized in the unirradiated controls.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference9 articles.

1. Replication of the bacterial chromosome: location of new initiation sites after irradiation;Billen D.;J. Bacteriol.,1969

2. Relationship between radiation response and the deoxyribonucleic acid replication cycle in bacteria: dependence on the excision-repair system;Billen D.;J. Bacteriol.,1970

3. Boyce R. P. and R. B. Setlow. 1962. A simple method of J. BACTERIOL.

4. Survival, deoxyribonucleic acid breakdown, and synthesis in Salmonella typhimurium as compared with Escherichia coli B strains;Hudnik-Plevnik T. A.;J. Bacteriol.,1970

5. The ability of Salmonella typhimurium to rejoin X-ray induced single strand breaks in the DNA;Hudnik-Plevnik T. A.;Stud. Biophys.,1970

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