Ultraviolet irradiation inhibition of replicative deoxyribonucleic acid synthesis in toluene treated Escherichia coli

D. Bowersock, Robb Moses

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Toluene treated cells of Escherichia coli represent an in vitro system capable of replicative DNA synthesis. They should offer advantages for investigation of enzymatic mechanisms of DNA repair synthesis secondary to ultraviolet irradiation. The stability of this system allows in vitro irradiation with subsequent measurement of DNA synthesis. Ultraviolet irradiation in vitro causes an inhibition of replicative DNA synthesis in vitro. Moderate levels of such inhibition are due to a decrease in rate of replication rather than an abrupt cessation. Extensive inhibition is followed by the appearance of DNA synthesis that is ATP dependent and N ethylmaleimide sensitive, but independent of DNA polymerase I or II activity or DNA replication. The ultraviolet irradiation stimulated DNA synthesis appears to be dependent upon DNA polymerase III activity.

Original languageEnglish (US)
Pages (from-to)7449-7455
Number of pages7
JournalJournal of Biological Chemistry
Volume248
Issue number21
StatePublished - 1973
Externally publishedYes

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Toluene
Escherichia coli
Irradiation
DNA
DNA Polymerase II
DNA Polymerase III
DNA Polymerase I
Ethylmaleimide
DNA Replication
DNA Repair
Adenosine Triphosphate
In Vitro Techniques
Repair
Cells

ASJC Scopus subject areas

  • Biochemistry

Cite this

Ultraviolet irradiation inhibition of replicative deoxyribonucleic acid synthesis in toluene treated Escherichia coli. / Bowersock, D.; Moses, Robb.

In: Journal of Biological Chemistry, Vol. 248, No. 21, 1973, p. 7449-7455.

Research output: Contribution to journalArticle

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