Identification and characterization of int (integrase), xis (excisionase) and chromosomal attachment sites of the integrative and conjugative element ICEBs1 of Bacillus subtilis.

Abstract excerpt

ICEBs1 is an integrative and conjugative element (conjugative transposon) integrated into trnS-leu2 in Bacillus subtilis. In response to DNA damage or high concentrations of potential mating partners, ICEBs1 can excise and transfer to various recipients, including other species. We found that excision of ICEBs1 occurs by site-specific recombination within 60 bp direct repeats that mark the junctions between...

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