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Gene Review:

traI - putative autoinducer synthesis protein

Agrobacterium tumefaciens

Ramsay, J.P. et al., Fuqua, W.C. et al.

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Disease relevance of traI

ICEMlSym(R7A) encodes homologues of the traR and traI genes of Agrobacterium tumefaciens that regulate Ti plasmid transfer via quorum sensing [1].

Other interactions of traI

TraR activated target genes in the presence of AAI and also activated traR and traI themselves, creating two positive-feedback loops [2].

References

Excision and transfer of the Mesorhizobium loti R7A symbiosis island requires an integrase IntS, a novel recombination directionality factor RdfS, and a putative relaxase RlxS. Ramsay, J.P., Sullivan, J.T., Stuart, G.S., Lamont, I.L., Ronson, C.W. Mol. Microbiol. (2006) [Pubmed]
A LuxR-LuxI type regulatory system activates Agrobacterium Ti plasmid conjugal transfer in the presence of a plant tumor metabolite. Fuqua, W.C., Winans, S.C. J. Bacteriol. (1994) [Pubmed]

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