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J Bacteriol. 2002 May;184(9):2533-8.

Genetic organization of the Vibrio harveyi DnaA gene region and analysis of the function of the V. harveyi DnaA protein in Escherichia coli.

Author information

1
Department of Life Sciences and Chemistry, Roskilde University, DK-4000 Roskilde, Denmark.

Abstract

The Vibrionaceae family is distantly related to Enterobacteriaceae within the group of bacteria possessing the Dam methylase system. We have cloned, sequenced, and analyzed the dnaA gene region of Vibrio harveyi and found that although the organization of the V. harveyi dnaA region differs from that of Escherichia coli, the expression of both genes is autoregulated and ATP-DnaA binds cooperatively to ATP-DnaA boxes in the dnaA promoter region. The DnaA proteins of V. harveyi and E. coli are interchangeable and function nearly identically in controlling dnaA transcription and the initiation of chromosomal DNA replication despite the evolutionary distance between these bacteria.

PMID:
11948168
PMCID:
PMC134989
[Indexed for MEDLINE]
Free PMC Article

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