Results 121 to 130 of about 578 (138)
Maximal Cyclic Electron Flow Rate Is Independent of PGRL1 in Chlamydomonas
Biochimica Et Biophysica Acta - Bioenergetics, 2019 Cyclic electron flow (CEF) is defined as a return of the reductants from the acceptor side of Photosystem I (PSI) to the pool of its donors via the cytochrome b6f. It is described to be complementary to the linear electron flow and essential for photosynthesis.
Wojciech Nawrocki +2 more
exaly +6 more sources
Photosynthesis Research, 2020 Light is crucial for photosynthesis, but the amount of light that exceeds an organism's assimilation efficacy can lead to photo-oxidative damage and even cell death. In Chlamydomonas (C). reinhardtii cyclic electron flow (CEF) is very important for the elicitation of non-photochemical quenching (NPQ) by controlling the acidification of thylakoid lumen.
Ranay Mohan Yadav, Rajagopal Subramanyam
exaly +4 more sources
Calcium-Dependent Regulation of Cyclic Photosynthetic Electron Transfer by a CAS, ANR1, and PGRL1 Complex [PDF]
Proceedings of the National Academy of Sciences of the United States of America, 2012 Cyclic photosynthetic electron flow (CEF) is crucial to photosynthesis because it participates in the control of chloroplast energy and redox metabolism, and it is particularly induced under adverse environmental conditions. Here we report that down-regulation of the chloroplast localized Ca 2+
Meike Hüdig +2 more
exaly +5 more sources
PGR5-PGRL1-Dependent Cyclic Electron Transport Modulates Linear Electron Transport Rate in Arabidopsis thaliana [PDF]
Molecular Plant, 2016 Plants need tight regulation of photosynthetic electron transport for survival and growth under environmental and metabolic conditions. For this purpose, the linear electron transport (LET) pathway is supplemented by a number of alternative electron transfer pathways and valves. In Arabidopsis, cyclic electron transport (CET) around photosystem I (PSI),
Luca Tadini +2 more
exaly +11 more sources
M-Type Thioredoxins Regulate the PGR5/PGRL1-Dependent Pathway by Forming a Disulfide-Linked Complex With PGRL1. [PDF]
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
exaly +3 more sources
Stable Complex Formation of Thylakoidal Processing Peptidase and PGRL1 [PDF]
FEBS Letters, 2013 The thylakoid‐transfer signal is required for energy‐dependent translocation of preproteins into the thylakoid lumen and is removed by the thylakoidal processing peptidase (TPP). PGRL1 is an essential component of antimycin A‐sensitive photosynthetic cyclic electron flow in chloroplasts.
Kentaro Inoue, Joshua K Endow
exaly +3 more sources
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Redox Regulation of PGRL1 at the Onset of Low Light Intensity
Plant Journal, 2020SUMMARYPGR5‐LIKE PHOTOSYNTHETIC PHENOTYPE1 (PGRL1) regulates photosystem I cyclic electron flow which transiently activates non‐photochemical quenching at the onset of light. Here, we show that a disulfide‐based mechanism of PGRL1 regulated this process in vivo at the onset of low light levels.
Avihai Danon +2 more
exaly +3 more sources
PGRL1 And LHCSR3 Compensate for Each Other in Controlling Photosynthesis and Avoiding Photosystem I Photoinhibition During High Light Acclimation of Chlamydomonas Cells [PDF]
Molecular Plant, 2017 In natural environments, photosynthetic organisms experience frequent changes in the light supply, requiring modulation of light harvesting and electron transfer reactions to avoid mismatch between light conversion and metabolic reactions that may result in the production of harmful reactive oxygen species.
Gilles Peltier +2 more
exaly +3 more sources
Photosynthesis Research
In this study, we aimed to understand the role of cyclic electron transport (CET) in the acclimation process in response to high salinity stress by comparing wild-type Chlamydomonas reinhardtii with CET deficient mutants, Proton Gradient Regulation 5 (PGR5), and Proton Gradient Regulation Like 1 (PGRL1). Cells grown in photoautotrophic conditions under
Siva Naga Sai Damaraju +7 more
openaire +2 more sources
In this study, we aimed to understand the role of cyclic electron transport (CET) in the acclimation process in response to high salinity stress by comparing wild-type Chlamydomonas reinhardtii with CET deficient mutants, Proton Gradient Regulation 5 (PGR5), and Proton Gradient Regulation Like 1 (PGRL1). Cells grown in photoautotrophic conditions under
Siva Naga Sai Damaraju +7 more
openaire +2 more sources
Tree Physiology
Abstract Understanding drought resistance mechanisms is crucial for breeding poplar species suited to arid and semiarid regions. This study explored the drought responses of three newly developed ‘Zhongxiong’ series poplars using integrated transcriptomic and physiological analyses.
Ji Guangxin +10 more
openaire +2 more sources
Abstract Understanding drought resistance mechanisms is crucial for breeding poplar species suited to arid and semiarid regions. This study explored the drought responses of three newly developed ‘Zhongxiong’ series poplars using integrated transcriptomic and physiological analyses.
Ji Guangxin +10 more
openaire +2 more sources