Instability of inhibited replication forks in E. coli

Research output: Contribution to journalArticlepeer-review

Abstract

Inhibiting the progress of replication forks in E. coli makes them susceptible to breakage. Broken replication forks are evidently reassembled by the RecBCD recombinational repair pathway. These findings explain a particular pattern of DNA degradation during inhibition of chromosomal replication, the role of recombination in the viability of mutants with displaced replication origin, and hyper‐recombination observed in the Terminus of the E. coli chromosome in rnh mutants. Breakage and repair of inhibited replication forks could be the reason for the recombination‐dependence of inducible stable DNA replication. A mechanism by which RecABCD‐dependent recombination between very short inverted repeats may help E. coli to invert an operon, transcribed in the direction opposite to that of DNA replication, is discussed.

Original languageEnglish (US)
Pages (from-to)733-741
Number of pages9
JournalBioEssays
Volume17
Issue number8
DOIs
StatePublished - Aug 1995
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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