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Tweaking Photosynthesis: FNR-TROL Interaction as Potential Target for Crop Fortification

Fulgosi, Hrvoje; Vojta, Lea (2020) Tweaking Photosynthesis: FNR-TROL Interaction as Potential Target for Crop Fortification. Frontiers in Plant Science, 11 . ISSN 1664-462X

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Photosynthesis not only supplies plants with needed energy for growth and nutrient storage, but links light-to-chemical energy conversion with redox regulatory networks of the entire cell. By modulating photosynthetic electron flow, plants can adapt to constantly changing light and environmental conditions. Different mechanisms direct electrons formed during light reactions to either energy-conserving or energy-dissipating pathways. Recently described dynamic interactions of the flavoenzyme ferredoxin:NADP+ oxidoreductase (FNR) with protein TROL represent elegant molecular switch that can partition electrons downstream of photosystem I. FNR-TROL bifurcation can control energy transfer to either linear flow, which results in NADPH production, or to the rapid electron sink that efficiently prevents reactive oxygen species propagation. Plant genome editing of TROL represents an unexploited alley for improvement of plant stress and defense responses, productivity, and eventually agricultural yield.

Item Type: Article
Uncontrolled Keywords: photosynthesis ; linear electron transfer ; ROS ; electron partitioning ; stress-tolerance
Subjects: NATURAL SCIENCES > Biology
Divisions: Division of Molecular Biology
Project titleProject leaderProject codeProject type
Molekularni mehanizmi alternativne raspodjele elektrona u fotosintezi-PHOTOSYNTHHrvoje FulgosiIP-2014-09-1173HRZZ
Depositing User: Lea Vojta
Date Deposited: 17 Apr 2020 09:14
DOI: 10.3389/fpls.2020.00318

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