[Plsfaculty] Please sign up to meet with Dr. Sarah Hind, April 23 Seminar Speaker

[Mark A Beilstein]

Dear Colleagues,

Next week, Dr. Sarah Hind from University of Illinois Champaign-Urbana will
present the SPLS seminar entitled: Characterization of flagellin immune
recognition in pepper plants.

Dr. Hind is available for individual / lab meetings throughout the day on
Tuesday and in the morning on Wednesday. If you would like to meet with Dr.
Hind, please sign up for a time here
<https://docs.google.com/spreadsheets/d/1XglIVn2lfxxFGi5BOdUrZSnSGAibqbkW0O3OoRW0eKI/edit?usp=sharing>
.

Seminar Abstract:
Plants have immune signaling networks that include plasma
membrane-localized receptors that detect microbial molecular patterns. Upon
perception of these pattern molecules, plant cells initiate intracellular
signaling that leads to induction of plant defense responses via a process
called pattern-triggered immunity. These responses provide protection for
plants against a variety of phytopathogens. Our lab studies components of
the immune system found in tomato and other solanaceous plant species.
Specifically, we study a receptor called FLS3, which detects a pattern from
the bacterial flagellin protein. We identified one polymorphism in this
pattern that renders the corresponding ligand inactive, and bacteria with
this flagellin variant can cause more disease on tomato plants. We then
characterized the recognition of flagellin in the two pepper species. We
observed differential recognition of the flagellin ligand between the
pepper species, and also that pepper plants inoculated with bacteria
expressing different flagellin variants had differential susceptibility to
infection. These results suggest that differences in the receptors lead to
differential recognition of flagellin.

Thanks,
Mark

___________________
Mark Beilstein, Ph.D.
Associate Professor
Director of Graduate Studies
Bart Cardon Fellow
School of Plant Sciences
P.O. Box 210036
Forbes Building, Room 303
Tucson, AZ 85721-0036
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