EPS Flying Seminar “Sarah Courbier “

The emerging role of TARGET OF RAPAMYCIN in the regulation of the growth-defense tradeoff in plants

Date: 3 Juni 2024

Time: 12:00 – 13:00

Location: Radix W1 (R:W0.Be.085)

Dr Sarah Courbier (postdoctoral fellow, University of Freiburg) will visit Wageningen on Monday 3, and Tuesday 4 June as she is member of the opposition committee of Mara Meisenburg. Sarah will give a seminar on Monday from 12.00 to 13.00 in Radix W1 (R:W0.Be.085) with the title: The emerging role of TARGET OF RAPAMYCIN in the regulation of the growth-defense tradeoff in plants. Monday afternoon there is also time for people who are interested to meet with Sarah. Please contact Iris Kappers (Iris.Kappers@wur.nl) if you would like to use this opportunity.

Abstract:

The abstract of Sarah’s talk: Light is a key parameter for plant to drive photosynthetic growth as well as to detect upcoming plant-plant competition. Neighbour detection in plants goes via the perception of a reduction of the red to far-red light ratio (R:FR) in the environment. Low R:FR perception triggers a set of molecular and physiological responses referred to as the “shade avoidance syndrome” (i.e. shoot and petiole elongation, upper movement of the leaves (hyponasty)). In addition to exhibiting growth responses, plants experiencing low R:FR display reduced resistance to pathogens; a tradeoff known as “shade-induced susceptibility”. Recent evidence points at TARGET OF RAPAMYCIN (TOR), a master growth regulator in eukaryotes, serving as a modulator of the growth-defense tradeoff in plants. By coupling biochemistry, genetics, and physiology, I am currently investigating if and how low R:FR perception modulates TOR activity thereby promoting growth at the expense of defense in Arabidopsis. Ultimately, this work aims to unravel TOR-(in)dependent molecular pathways potentially regulating the growth-defense tradeoff in plants.


Monday, June 3, 2024
Radix, Wageningen University and Research

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