[Seminars] PSB event reminder
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Thu Oct 20 09:10:01 CEST 2011
Calendar Name: seminars
Scheduled for: Thursday, October 20 2011, 11:00 - 12:30
Event text: Prof Alain Goossens
VIB, Dept. of Plant Systems Biology
Ghent University
Gent
BELGIUM
Details: "Jasmonates : Gatekeepers of the plants defense
metabolite universe"
ABSTRACT
Across the plant kingdom, the jasmonate hormone steers
the delicate balance between growth and the activation
of defence programs, such as the production of bioactive
secondary metabolites. The signaling machinery that
established the function of jasmonates as regulators of
(secondary) metabolism is conserved and installed early
in the higher plant lineage. But, in spite of the
similarities of many of the regulators, ultimately
species-specific secondary metabolic pathways have
evolved under jasmonate control.
By using cutting-edge functional genomics tools, in
combination with reverse genetics screenings, we try to
identify the essential components acting in the
jasmonate signalling network, in medicinal plants and in
the model plant Arabidopsis thaliana. Such components
can ultimately lead to the creation of new metabolic
engineering tools that may improve the exploitation of
the plant metabolic machinery. Surprisingly, the screens
that we have performed not only allowed identifying
positive regulators of jasmonate elicitation of
metabolism but also revealed the existence of multiple
'safety breaks' that serve to optimize plant survival
under stress conditions.
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