[Seminars] PSB event reminder
contact at psb.vib-ugent.be
contact at psb.vib-ugent.be
Mon Sep 12 09:10:01 CEST 2011
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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