Literature DB >> 4583223

Degradation of cellular deoxyribonucleic acid after gamma irradiation of spheroplasted Escherichia coli CR thy- cells.

R C Christensen, K Keller, E C Pollard.   

Abstract

Gamma-ray-irradiated Escherichia coli CR thy(-) cells and spheroplasts, prelabeled with (14)C-thymine, were assayed for acid-insoluble activity as a function of incubation time after irradiation. Under similar irradiation and incubation conditions, degradation profiles of cells and spheroplasts were virtually identical. Similar results were found for cells and protoplasts irradiated in the presence of rifampin (20 mug/ml). These results suggest that postirradiation deoxyribonucleic acid degradation enzymes are probably not loosely localized in the periplasm, unlike endonuclease I.

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Year:  1973        PMID： 4583223      PMCID： PMC246448          DOI： 10.1128/jb.116.1.491-493.1973

Source DB:  PubMed          Journal:  J Bacteriol        ISSN： 0021-9193            Impact factor:   3.490


  9 in total

1.  Observations on the infection of bacterial protoplasts with the deoxyribonucleic acid of bacteriophage phi X174.

Authors:  G D GUTHRIE; R L SINSHEIMER
Journal:  Biochim Biophys Acta       Date:  1963-06-25

2.  Ionizing radiation-initiated degradation of deoxyribonucleic acid in bacteria. A possible role for defective prophage.

Authors:  L J Grady; E C Pollard
Journal:  Radiat Res       Date:  1968-10       Impact factor: 2.841

3.  Interaction of the recombination pathways of bacteriophage lambda and its host Escherichia coli K12: effects on exonuclease V activity.

Authors:  R C Unger; A J Clark
Journal:  J Mol Biol       Date:  1972-10-14       Impact factor: 5.469

4.  Involvement of the recB-recC nuclease (exonuclease V) in the process of x-ray-induced deoxyribonucleic acid degradation in radiosensitive strains of Escherichia coli K-12.

Authors:  D A Youngs; I A Bernstein
Journal:  J Bacteriol       Date:  1973-02       Impact factor: 3.490

5.  Action of ionizing radiation on sensitive strains of Escherichia coli B.

Authors:  E C Pollard; A Tilberg
Journal:  Biophys J       Date:  1972-02       Impact factor: 4.033

6.  Role for endonuclease I in the transmission process of colicin E 2 .

Authors:  R Almendinger; L P Hager
Journal:  Nat New Biol       Date:  1972-02-16

7.  Postirradiation permeability of Escerichia coli cells.

Authors:  E C Pollard; P K Weller
Journal:  Radiat Res       Date:  1968-09       Impact factor: 2.841

8.  Reconstruction in vivo of irradiated Escherichia coli deoxyribonucleic acid; the rejoining of broken pieces.

Authors:  R A McGrath; R W Williams
Journal:  Nature       Date:  1966-10-29       Impact factor: 49.962

9.  Deoxyribonucleic acid hybridization analysis of the defective bacteriophage carried by strain 15 of Escherichia coli.

Authors:  L J Grady; D B Cowie; W P Campbell
Journal:  J Virol       Date:  1971-12       Impact factor: 5.103
  9 in total

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