The nucleoid protein H-NS facilitates chromosome DNA replication in Escherichia coli dnaA mutants

Tsutomu Katayama, Makoto Takata, Kazuhisa Sekimizu

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Growth inhibition of the dnaA(Cs) mutant, which overinitiates chromosome replication, was shown to be dependent upon the nucleoid protein H-NS. [3H]thymine incorporation experiments indicated that the absence of H-NS inhibited overreplication by the dnaA(Cs) mutant. In addition, the temperature-sensitive phenotype of a dnaA46 mutant was enhanced by disruption of H-NS. These observations suggest that H-NS directly or indirectly facilitates the initiation of chromosome replication.

Original languageEnglish
Pages (from-to)5790-5792
Number of pages3
JournalJournal of bacteriology
Volume178
Issue number19
DOIs
Publication statusPublished - 1996

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Molecular Biology

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