Gao, Mengsheng; Chen, Hancai; Eberhard, Anatol; Gronquist, Matthew R; Robinson, Jayne B; Rolfe, Barry; Bauer, Wolfgang
Quorum sensing (QS) in Sinorhizobium meliloti, the N-fixing bacterial symbiont of Medicago host plants, involves at least half a dozen different N-acyl homoserine lactone (AHL) signals and perhaps an equal number of AHL receptors. The accumulation of 55 proteins was found to be dependent on SinI, the AHL synthase, and/or on ExpR, one of the AHL receptors. Gas chromatography-mass spectrometry and electrospray ionization tandem mass spectrometry identified 3-oxo-C14-homoserine lactone (3-oxo-C...[Show more]
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