In vitro deletions in the partition locus of plasmid pSC101.

AUTOR(ES)

Kalla, S R

RESUMO

Deletion mutants in the 375-base-pair EcoRI-AvaI fragment carrying the partition locus of plasmid pSC101 were formed by the combined action of exonuclease III and nuclease S1. Six deletion mutants were isolated, and the endpoints of the deletions were sequenced. One of the deletions extended 69 base pairs from the EcoRI site without impairing plasmid stability. The other five deletions caused the plasmid to be unstable and extended 199 to 251 base pairs from the EcoRI site.

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