Crossref journal-article
Wiley
BioEssays (311)
Abstract

AbstractThe concept of regulatory ‘checkpoints’ in the eukaryotic cycle has proved to be a fruitful one. Here, its applicability to the bacterial cell cycle is examined. A primitive DNA damage checkpoint operates in E. coli such that, after exposure to ultraviolet light, while excision repair occurs, chromosome replication continues very slowly with the production of discontinuous daughter strands. The slower the rate of excision of photoproducts, the greater the delay before the normal rate of DNA replication is restored, the additional time for repair ensuring that normal survival is maintained. A model is proposed in which replication rate is controlled by the ratio of RecAcoated to uncoated single stranded regions of DNA in the replication fork. There are also two cell division inhibitors SulA (=SfiA) and SfiC under the control of the SOS system and sensitive to DNA damage, but they are irrelevant to the survival of wild‐type bacteria under normal conditions. In strains where SulA and SfiC do not operate, inhibition is not influenced by the rate of excision repair and so fails one of the criteria for a DNA damage checkpoint, namely the monitoring of the DNA for the level of residual damage.

Bibliography

Bridges, B. A. (1995). Are there DNA damage checkpoints in E. coli? BioEssays, 17(1), 63–70. Portico.

Authors 1
  1. Bryn A. Bridges (first)
References 50 Referenced 19
  1. 10.1099/00221287-18-2-461
  2. 10.1093/infdis/114.3.235
  3. 10.1007/BF00332704
  4. 10.1016/0027-5107(75)90229-8
  5. 10.1016/0027-5107(75)90067-6
  6. {'key': 'e_1_2_1_7_2', 'first-page': '393', 'article-title': 'Error‐prone DNA repair in Escherichia coli. IV', 'volume': '95', 'author': 'Bridges B. A.', 'year': '1976', 'journal-title': 'Biol. Zbl.'} / Biol. Zbl. / Error‐prone DNA repair in Escherichia coli. IV by Bridges B. A. (1976)
  7. 10.1126/science.3291120
  8. 10.1016/0092-8674(87)90183-8
  9. 10.1111/j.1365-2958.1991.tb00747.x
  10. 10.1146/annurev.mi.47.100193.001215
  11. 10.1093/genetics/53.6.1137 / Genetics / Mutants of Escherichia coli K12 deficient in DNA repair and in genetic recombination by Howard‐Flanders P. (1966)
  12. 10.1073/pnas.45.5.709
  13. 10.2307/3571988
  14. 10.1016/0027-5107(69)90065-7
  15. 10.1126/science.142.3598.1464
  16. 10.1007/BF00327522
  17. 10.1038/249348a0
  18. 10.1016/0022-2836(68)90445-2
  19. 10.1073/pnas.88.24.11574
  20. George D. L.(1974).Characterization of a mutant ofEscherichia coliB/r defective in mutation frequency decline. PhD Thesis Rutgers University New Brunswick NJ USA.
  21. 10.1002/9780470719718.ch4
  22. {'key': 'e_1_2_1_23_2', 'first-page': '52', 'article-title': 'Evidence for a further dark repair process in bacteria', 'volume': '139', 'author': 'Bridges B. A.', 'year': '1972', 'journal-title': 'Nature'} / Nature / Evidence for a further dark repair process in bacteria by Bridges B. A. (1972)
  23. 10.1016/0027-5107(73)90247-9
  24. 10.1073/pnas.84.19.6805
  25. 10.1080/09553008914550791
  26. 10.1007/BF00326074
  27. 10.1007/BF00331171
  28. 10.1038/305243a0
  29. 10.1016/0147-619X(89)90026-7
  30. 10.1006/jmbi.1993.1644
  31. 10.1073/pnas.57.5.1275
  32. 10.1128/jb.96.5.1704-1710.1968 / J. Bacteriol. / Interaction of the exr and lon genes in Escherichia coli by Donch J. (1968)
  33. 10.1073/pnas.81.14.4490
  34. 10.1128/jb.154.3.1339-1346.1983 / J. Bacteriol. / Coupling of DNA replication and cell division:sulB is an allele of ftsZ by Lutkenhaus J. F. (1983)
  35. 10.1073/pnas.82.18.6045
  36. {'key': 'e_1_2_1_37_2', 'first-page': '165', 'article-title': 'The role of the FtsZ protein (SfiB) in UV‐induced division inhibition and in the normal Escherichia coli cell division cycle', 'volume': '136', 'author': 'Holland I. B.', 'year': '1985', 'journal-title': 'Ann. Microbiol. (Paris).'} / Ann. Microbiol. (Paris). / The role of the FtsZ protein (SfiB) in UV‐induced division inhibition and in the normal Escherichia coli cell division cycle by Holland I. B. (1985)
  37. 10.1128/jb.123.2.693-703.1975 / J. Bacteriol. / Regulation of bacterial cell division: temperature‐sensitive mutants of Escherichia coli that are defective in septum formation by Walker J. R. (1975)
  38. 10.1128/jb.163.2.615-622.1985
  39. 10.1016/0092-8674(85)90290-9
  40. 10.1007/BF00330334
  41. 10.1128/jb.144.1.185-191.1980 / J. Bacteriol. / Further characterization of sfiA and sfiB mutations in Escherichia coli by Huisman O. (1980)
  42. 10.1128/jb.168.1.464-466.1986
  43. 10.1128/jb.165.1.66-71.1986
  44. 10.1016/0022-2836(68)90425-7
  45. 10.1038/243100a0
  46. 10.1128/jb.114.2.824-837.1973 / J. Bacteriol. / Changes in cell size and shape associated with changes in the replication time of the chromosome of E coli by Zaritsky A. (1973)
  47. 10.1128/jb.171.1.74-79.1989
  48. 10.1016/0092-8674(90)90588-6
  49. 10.1016/0143-4160(89)90012-2
  50. 10.1038/210922a0
Dates
Type When
Created 20 years, 6 months ago (Feb. 25, 2005, 4:59 a.m.)
Deposited 1 year, 10 months ago (Oct. 25, 2023, 8:14 p.m.)
Indexed 1 year, 7 months ago (Jan. 18, 2024, 12:23 a.m.)
Issued 30 years, 7 months ago (Jan. 1, 1995)
Published 30 years, 7 months ago (Jan. 1, 1995)
Published Online 20 years, 6 months ago (Feb. 5, 2005)
Published Print 30 years, 7 months ago (Jan. 1, 1995)
Funders 0

None

@article{Bridges_1995, title={Are there DNA damage checkpoints in E. coli?}, volume={17}, ISSN={1521-1878}, url={http://dx.doi.org/10.1002/bies.950170112}, DOI={10.1002/bies.950170112}, number={1}, journal={BioEssays}, publisher={Wiley}, author={Bridges, Bryn A.}, year={1995}, month=jan, pages={63–70} }