Recombination between short direct repeats in Streptomyces lavendulae plasmid DNA.

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RESUMO

Streptomyces lavendulae S985 carried two plasmids, pSL1 and pSL2. pSL2 contained all of the pSL1 sequences plus a tandem duplication of 900 base pairs from a region of pSL1. Sequence analysis of the duplication junction suggested that the duplication occurred by recombination between short direct repeats of as little as 5 base pairs.

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