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. 1987 Nov;210(1):116-21.
doi: 10.1007/BF00337766.

Recombination between short repeated sequences is more frequent in plasmids than in the chromosome of Bacillus subtilis

L Jannière  1 , S D Ehrlich
Affiliations

Recombination between short repeated sequences is more frequent in plasmids than in the chromosome of Bacillus subtilis

L Jannière et al. Mol Gen Genet. 1987 Nov.

Abstract

We measured in Bacillus subtilis the recombination frequency between directly repeated 9 bp sequences flanking the transposon Tn5. Four different repeats were analyzed. They recombined with frequencies between 10(-7) and 10(-6) when they were carried on plasmids, and 150-1500 times less frequently when they were carried on the chromosome. We propose that this difference is due to the generation of single stranded DNA during plasmid replication.

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