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Article

The dif/Xer recombination systems in proteobacteria.

PloS one - 3 Sept 2009

Carnoy Christophe, Roten Claude-Alain

Abstract excerpt

In E. coli, 10 to 15% of growing bacteria produce dimeric chromosomes during DNA replication. These dimers are resolved by XerC and XerD, two tyrosine recombinases that target the 28-nucleotide motif (dif) associated with the chromosome's replication terminus. In streptococci and lactococci, an alternative system is composed of a unique, Xer-like recombinase (XerS) genetically linked to a dif-like motif (dif(SL))...

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Identifiers

PMID: 19727445
DOI: 10.1371/journal.pone.0006531
PMCID: PMC2731167

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Source receipt: pubmed, retrieved 7 Sept 2026.

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