scholarly journals Reconstruction of the chloroplast noncyclic electron transport pathway from water to NADP with three integral protein complexes

1982 ◽  
Vol 79 (18) ◽  
pp. 5494-5498 ◽  
Author(s):  
E. Lam ◽  
R. Malkin
Keyword(s):  
Electron Transport ◽  
Protein Complexes ◽  
Transport Pathway ◽  
Integral Protein ◽  
Electron Transport Pathway

scholarly journals The Physiological Functionality of PGR5/PGRL1-Dependent Cyclic Electron Transport in Sustaining Photosynthesis

2021 ◽  
Vol 12 ◽  
Author(s):  
Mingzhu Ma ◽  
Yifei Liu ◽  
Chunming Bai ◽  
Yunhong Yang ◽  
Zhiyu Sun ◽  
...  
Keyword(s):  
Electron Transport ◽  
Photosystem Ii ◽  
Nadh Dehydrogenase ◽  
Extreme Weather Events ◽  
Cyclic Electron Transport ◽  
Linear Electron ◽  
Transport Pathway ◽  
Biochemical Processes ◽  
Weather Events ◽  
Electron Transport Pathway

The cyclic electron transport (CET), after the linear electron transport (LET), is another important electron transport pathway during the light reactions of photosynthesis. The proton gradient regulation 5 (PGR5)/PRG5-like photosynthetic phenotype 1 (PGRL1) and the NADH dehydrogenase-like complex pathways are linked to the CET. Recently, the regulation of CET around photosystem I (PSI) has been recognized as crucial for photosynthesis and plant growth. Here, we summarized the main biochemical processes of the PGR5/PGRL1-dependent CET pathway and its physiological significance in protecting the photosystem II and PSI, ATP/NADPH ratio maintenance, and regulating the transitions between LET and CET in order to optimize photosynthesis when encountering unfavorable conditions. A better understanding of the PGR5/PGRL1-mediated CET during photosynthesis might provide novel strategies for improving crop yield in a world facing more extreme weather events with multiple stresses affecting the plants.

On the Trans-Membrane Electron Transport Pathway of Cytochrome b 6

1987 ◽  
pp. 481-484 ◽  
Author(s):  
William A. Cramer ◽  
Mark E. Girvin ◽  
William R. Widger ◽  
Dierk Mende ◽  
Michael T. Black
Keyword(s):  
Electron Transport ◽  
Cytochrome B ◽  
Transport Pathway ◽  
Electron Transport Pathway
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