[Seminars] PSB event reminder

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Calendar Name: seminars
Scheduled for: Monday, September 12 2011, 11:00 - 12:30
Event text:    Prof Sheng Yang He
	       
	       Department of Energy Plant Research Laboratory
	       Michigan State University
	       
	       Michigan
	       USA
Details:       “Pathogenesis as a probe of plant biology”
	       
	       ABSTRACT
	       Plants have evolved a powerful and multi-layered immune
	       system to defend against infection by most microbial
	       organisms. However, successful pathogens, such as the
	       bacterial pathogen Pseudomonas syringae pv. tomato (Pst)
	       strain DC3000, have developed specific virulence factors
	       to overcome host immunity and cause diseases. During
	       infection, Pst DC3000 produces several virulence factors
	       to engage multiple host cell types and diverse host
	       physical and chemical barriers.	The bacterial type III
	       secretion system (T3SS) delivers a battery of virulence
	       "effector proteins" directly into the host cell.  The
	       phytotoxin coronatine mimics the plant hormone
	       jasmonate.  Study of the molecular action of effector
	       proteins and coronatine highlights the utility of
	       bacterial pathogenesis as a powerful probe of plant
	       immunity, jasmonate signaling, cell biology, and
	       stomatal guard cell signaling.

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