June 2018

Elias Kaiser - Photosynthesis in fluctuating light: physiological control and environmental modulation

  • Date: Jun 1, 2018
  • Time: 14:00 - 15:30
  • Speaker: Elias Kaiser
  • Location: Central Building
  • Room: Seminar Room
  • Host: Ute Armbruster

My work focuses on gas exchange and Chlorophyll a fluorescence changes in leaves
subjected to rapidly changing illumination. My talk consists of two parts. In
the first part, I will try to shed some light on the processes controlling
photosynthesis in fluctuating light, the most prominent of which are RuBP
regeneration, Rubisco activation state, stomatal conductance and NPQ relaxation.
I will also highlight some knowledge gaps regarding processes that might
additionally be important, such as mesophyll conductance and chloroplast
movement. In the second part, I will describe how the environmental factors CO2
partial pressure, air humidity, soil salinity, leaf temperature and light
spectrum (red/blue ratio) modulate the rate of response of photosynthesis to
fluctuating light.

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