Photosystem I light-harvesting proteins regulate photosynthetic electron transfer and hydrogen production [PDF]
, 2022 Linear electron flow (LEF) and cyclic electron flow (CEF) compete for light-driven electrons transferred from the acceptor side of photosystem I (PSI).
Hippler, Michael +17 more
core +1 more source
Proton Gradient Regulation 5-Mediated Cyclic Electron Flow under ATP- or Redox-Limited Conditions: A Study of ƊATPase pgr5 and ƊrbcL pgr5 Mutants in the Green Alga Chlamydomonas reinhardtii [PDF]
Plant Physiology, 2014 Abstract The Chlamydomonas reinhardtii proton gradient regulation5 (Crpgr5) mutant shows phenotypic and functional traits similar to mutants in the Arabidopsis (Arabidopsis thaliana) ortholog, Atpgr5, providing strong evidence for conservation of PGR5-mediated cyclic electron flow (CEF). Comparing the Crpgr5 mutant with the wild type, we
Johnson, Xenie +12 more
openaire +2 more sources
The Effects of Cold Stress on Photosynthesis in Hibiscus Plants. [PDF]
PLoS ONE, 2015 The present work studies the effects of cold on photosynthesis, as well as the involvement in the chilling stress of chlororespiratory enzymes and ferredoxin-mediated cyclic electron flow, in illuminated plants of Hibiscus rosa-sinensis.
Miriam Paredes, María José Quiles
doaj +1 more source
Unveiling the mechanisms of acclimation to fluctuating light conditions [PDF]
, 2023 Plants, algae and cyanobacteria can produce chemical energy in the form of organic compounds by using light in a process called photosynthesis. In a natural environment, light intensity changes from low to high in a matter of seconds (s) during the day ...
Penzler, Jan-Ferdinand
core +1 more source
Wheat PROTON GRADIENT REGULATION 5 is Involved in Tolerance to Photoinhibition
Journal of Integrative Agriculture, 2014 Wheat (Triticum aestivum L.) often experiences photoinhibition due to strong light during the grain filling stage. As such, increasing the tolerance of wheat to photoinhibition is very desirable in breeding efforts focused on increasing grain yields ...
Yuan-ge WANG +5 more
doaj +1 more source
A Single Amino Acid Alteration in PGR5 Confers Resistance to Antimycin A in Cyclic Electron Transport around PSI [PDF]
Plant and Cell Physiology, 2013 In Arabidopsis thaliana, the main route of cyclic electron transport around PSI is sensitive to antimycin A, but the site of inhibition has not been clarified. We discovered that ferredoxin-dependent plastoquinone reduction in ruptured chloroplasts was less sensitive to antimycin A in Arabidopsis that overaccumulated PGR5 (PROTON GRADIENT REGULATION 5)
K. Sugimoto +6 more
openaire +2 more sources
M-Type Thioredoxins Regulate the PGR5/PGRL1-Dependent Pathway by Forming a Disulfide-Linked Complex with PGRL1 [PDF]
The Plant Cell, 2020 In addition to linear electron transport, photosystem I cyclic electron transport (PSI-CET) contributes to photosynthesis and photoprotection. In Arabidopsis (Arabidopsis thaliana), PSI-CET consists of two partially redundant pathways, one of which is the PROTON GRADIENT REGULATION5 (PGR5)/PGR5-LIKE PHOTOSYNTHETIC PHENOTYPE1 (PGRL1)-dependent pathway ...
Yuki Okegawa, Ken Motohashi
openaire +2 more sources
Frontiers in Plant Science, 2015 Photosynthetic electron flow operates in two modes, linear and cyclic. In cyclic electron flow (CEF), electrons are recycled around photosystem I. As a result, a transthylakoid proton gradient (ΔpH) is generated, leading to the production of ATP without ...
Marjaana eSuorsa
doaj +1 more source
Anaerobiosis induced state transition: a non photochemical reduction of PQ pool mediated by NDH in Arabidopsis thaliana. [PDF]
PLoS ONE, 2012 BACKGROUND: Non photochemical reduction of PQ pool and mobilization of LHCII between PSII and PSI are found to be linked under abiotic stress conditions.
Sreedhar Nellaepalli +3 more
doaj +1 more source
Plant, Cell &Environment, Volume 49, Issue 11, Page 8735-8750, November 2026.ABSTRACT Global food security is increasingly threatened by climate change, as rising temperatures compromise the yields of major staple crops, including wheat, rice, and maize. Enhancing plant thermotolerance has therefore become a critical priority for sustaining agricultural productivity.
Yuchen Qu, Wataru Yamori
wiley +1 more source