A LuxR‐type regulator from Agrobacterium tumefaciens elevates Ti plasmid copy number by activating transcription of plasmid replication genes

Summary TraR, a LuxR‐type quorum‐sensing transcription factor in Agrobacterium tumefaciens, activates genes required for conjugal transfer of the Ti plasmid and also enhances the copy number of a nopaline‐type Ti plasmid. Here, we show that TraR increases the copy number of an octopine‐type Ti plasm...

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