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Mol Gen Genet. 1988 Oct;214(2):353-7.

The F factor of Escherichia coli carries a locus of stable plasmid inheritance stm, similar to the parB locus of plasmid RI.

Author information

1
Radiobiology Laboratories, Yale University School of Medicine, New Haven, CT 06510.

Abstract

We found that a 1.4 kb fragment of the F factor of Escherichia coli (coordinates 62.8-64.2) considerably increased the stable inheritance of different plasmids which carried it. The fragment has a 589 bp DNA sequence (coordinates 63.3-63.9) with extensive homology to the parB locus of plasmid RI and, probably like the parB region, ensures the presence of plasmids in bacterial populations by killing those cells which have lost the plasmid.

PMID:
3070354
DOI:
10.1007/bf00337735
[Indexed for MEDLINE]

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