[Seminars] CANCELLED: Seminar Prof Mihael Hothron on Thursday, December 14
Delphine Verspeel
delphine.verspeel at psb.vib-ugent.be
Tue Dec 12 09:25:20 CET 2023
Dear all,
Due to illness, Prof Michael Hothorn is not able to visit us this week and give a seminar.
We will look for a new date.
Our apologies for this inconvenience.
Kind regards,
Delphine
Van: "Delphine Verspeel" <delphine.verspeel at psb.vib-ugent.be>
Aan: "meetings" <meetings at psb.vib-ugent.be>
Verzonden: Donderdag 26 oktober 2023 13:59:56
Onderwerp: You are invited to attend “Control of plant phosphate homeostasis by inositol pyrophosphate nutrient messengers” ON December 14, 2023
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'' Control of plant phosphate homeostasis by inositol pyrophosphate nutrient messengers ''
Prof Michael Hothorn
Department of Plant Sciences
Faculty of Science
Science III
University of Geneva
SWITZERLAND
Thursday, December 14, 2023
11:00
Phosphorus forms an essential structural component of membranes and nucleic acids, represents an important signaling molecule and the energy currency of the cell. It is taken up by plants in the form of inorganic phosphate (Pi). How eukaryotic cells ‘measure’ intracellular Pi levels and respond to changes in Pi availability remains to be uncovered at the mechanistic level. We have previously reported that eukaryotic SPX domains are cellular receptors for Pi-rich inositol pyrophosphate (PP-InsP) nutrient messengers. In Pi sufficient growth conditions, PP-InsP levels are high and enable the binding of the nutrient messenger to its SPX receptor. In plants, the activated receptor can in turn bind a family of phosphate starvation responsive transcription factors rendering them unable to bind DNA. Under phosphate starvation PP-InsP levels drop, the receptor – transcription factor complex dissociates and the released transcription factor can activate Pi-starvation responsive gene expression. I will present our current mechanistic understanding of this nutrient signaling pathway as well as a quantitative biochemical, structural and physiological characterization of PP-InsP biosynthesis and catabolism in the model plants Arabidopsis and Marchantia.
Jozef Schell seminar room
Technologiepark 71 - 9052
Invited by Prof Dirk Inzé and Prof Jenny Russinova
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Genome editing, cutting-edge technology for a sustainable agriculture
VIB-UGent Center for Plant Systems Biology Ghent University
Technologiepark-Zwijnaarde 71
9052 Ghent-Belgium
Phone: +32(0)9 331 38 00
[ http://www.psb.vib-ugent.be/ | https://www.psb.ugent.be/ ]
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