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Wednesday, September 16, 2020 at 12:40pmVirtual Event
Texas A&M University
Plants and animals sense invading microorganisms through the detection of non-self components via immune receptors. The primary plant immune response is triggered by the detection of pathogen-associated molecular patterns (PAMPs) via cell surface-resident pattern recognition receptors (PRRs), including receptor-like kinases (RLKs) or receptor-like proteins (PLPs). Sessile plants have evolved a largely expanded collection of RLKs and RLPs. These RLKs and RLPs sense not only PAMPs but also diverse intrinsic and extrinsic signals, and relay the signaling cascades to downstream outputs that are central to plant growth, development, immunity, and stress adaptation. My laboratory is mainly interested in the cell surface immune receptor-mediated signaling mechanisms, and the regulation of the shared regulators for a trade-off between growth and immunity. The recent progress on the regulation of plant immune sensory complex and signaling relay to global immune gene activation will be discussed in the talk. These knowledge and platforms are being explored to improve crop stress tolerance with an example of cotton in my laboratory. In most recent years, we have established platforms to study functional and biochemical genomics of cotton stress resilience. In particular, we are developing targeted probes to examine the genetic diversity of RLKs and RLPs at the genome-wide level in diverse cotton species/cultivars, and monitor the spatiotemporal expression pattern and phosphorylation dynamics of RLKs and RLPs in response to various pathogens, and elucidate their roles in cotton disease resistance.