Atypical association of DDE transposition with conjugation specifies a new family of mobile elements

We describe in Streptococcus agalactiae an atypical family of conjugative transposons named TnGBSs which associates DDE transposition and conjugation. We present evidence that the transposition of TnGBS2, the prototype of this family, is catalysed by a new class of DDE transposases that are widespre...

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