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PMID: 6742827 Published · ppublish English Comparative Study Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.

Effect of radiation and freezing on [3H]DNA of Yersinia enterocolitica.

Applied and environmental microbiology ·Vol. 47 ·No. 5 ·1984-05-00 ·Pages 1101-5

Grecz N, El-Zawahry YA

Abstract

Freezing of the enteropathogenic bacterium Yersinia enterocolitica to -18 and -75 degrees C caused 7 and 42% cell death, respectively, and 0.329 and 0.588 single-strand breaks per 10(8) daltons of DNA, respectively, while radiation to one D10 dose (10% cell survival) combined with freezing to 2 to 0, -18, and -75 degrees C induced 0.05, 0.75, and 5.04 single-strand breaks, respectively. The increase in the effectiveness of radiation with respect to the yield of single-strand breaks at -18 and -75 degrees C is contrary to expectation and seems to be due to arrest of repair of single-strand breaks by these low temperatures.

MeSH Terms
DNA Repair/drug effects,radiation effects DNA, Bacterial/radiation effects DNA, Single-Stranded/radiation effects Food Irradiation Freezing Gamma Rays Sodium Chloride/pharmacology Yersinia enterocolitica/drug effects,genetics,radiation effects
Chemicals
DNA, Bacterial DNA, Single-Stranded Sodium Chloride
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Grecz N
El-Zawahry Y A
References (17)
17 references, click to expand
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Article Info
Journal
Applied and environmental microbiology
Abbr.
Appl Environ Microbiol
ISSN
0099-2240
DOI
10.1128/aem.47.5.1101-1105.1984
Published
1984-05-00
Pages
1101-5
Language
English
Region
United States
NLM ID
7605801
PMCID
PMC240069
Subset
IM
External Links
PubMed source DOI: 10.1128/aem.47.5.1101-1105.1984 PMC Full Text View journal details
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