Article
The Arabidopsis gene SIGMA FACTOR-BINDING PROTEIN 1 plays a role in the salicylate- and jasmonate-mediated defence responses.
Plant, cell & environment - 1 May 2010
Xie Y-D, Li W, Guo D, Dong J, Zhang Q, Fu Y, Ren D, Peng M, Xia Y
Abstract excerpt
The chloroplast-localized SIB1 protein was previously identified by its interaction with SIGMA FACTOR 1 (SIG1), a component of the RNA polymerase machinery responsible for transcription of plastid genes. The physiological function of SIB1 is little known. We found that expression of SIB1 is induced by infection with Pseudomonas syringae, suggesting its possible involvement in the defence response. The sib1...
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