Monday, January 9, 2012, 10:30 am — John Dunn Seminar Room, Bldg. 463
Plants have evolved resistance (R) proteins to detect pathogen effectors and trigger plant defense responses in the so named effector-triggered immunity (ETI). R proteins are under negative regulation in plants as up-regulated activation of R protein is detrimental to plant growth. Autoimmune mutants have been instrumental in understanding the fine tuning of plant defense responses. Recently, a number of such mutants have been molecularly characterized, and some of them result from over-activation of SNC1, a TIR-NBS-LRR type of R protein. Studies of these mutants revealed a complex negative regulation of SNC1 activity. The SNC1-dependent auto-immune mutants and the mechanism of fine regulation of R proteins in plant immunity will be discussed.
Hosted by: Chang-Jun Liu
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