Adaptation of the Chlorella photosynthetic electron transport chain to environmental light conditions

DOI: 10.1101/2025.05.13.653806 Authors: Grant Steiner, Devinjeet Saini, Arivu Kapoor, Colin Gates Abstract: Abstract In photosynthetic organisms, the process of photosystem II-cyclic electron flow (PSII-CEF) protects against degradation of the active D1 protein...

Cyclic and pseudo-cyclic electron pathways play antagonistic roles during nitrogen deficiency in Chlamydomonas reinhardtii

DOI: 10.1093/plphys/kiae617 Authors: Ousmane Dao, Adrien Burlacot, Félix Buchert, Marie Bertrand, Pascaline Auroy, Carolyne Stoffel, Sai Kiran Madireddi, Jacob Irby, Michael Hippler, Gilles Peltier, Yonghua Li‐Beisson Abstract: Nitrogen (N) scarcity frequently...

Depletion reveals role of bicarbonate in the photosynthetic electron transport chain of Limnospira maxima

DOI: 10.3389/fpls.2025.1584909 Authors: Leslie Castillo, Stavroula Nicolaou, Colin Gates Abstract: Efficient photosynthetic light reactions require tight balancing of electrons and protons. In photosystem II, bicarbonate is coordinated to a non-heme iron positioned...

Adaptation and acclimation of photosynthetic machinery in Arabidopsis thaliana

DOI: OA:W7123379041 Authors: Laura Laihonen Abstract: Photosynthetic organisms convert physical energy from the sun into chemical energy through photosynthetic light reactions catalysed by thylakoid membrane-embedded pigment-protein complexes. Four major protein...

Adaptation and acclimation of hotosynthetic machinery in Arabidopsis thaliana

DOI: OA:W7120436329 Authors: Laura Laihonen Abstract: Photosynthetic organisms convert physical energy from the sun into chemical energy through photosynthetic light reactions catalysed by thylakoid membrane-embedded pigment-protein complexes. Four major protein...

Algal PETC-Pro171-Leu suppresses electron transfer in cytochromeb6funder acidic lumenal conditions

DOI: 10.1093/plphys/kiac575 Authors: Shin‐Ichiro Ozawa, Félix Buchert, Ruby Reuys, Michael Hippler, Yuichiro Takahashi Abstract: Linear photosynthetic electron flow (LEF) produces NADPH and generates a proton electrochemical potential gradient across the thylakoid...

The chloroplast ATP synthase redox domain in Chlamydomonas reinhardtii eludes activity regulation for heterotrophic dark metabolism

DOI: 10.1073/pnas.2412589121 Authors: Lando Lebok, Félix Buchert Abstract: To maintain CO2 fixation in the Calvin-Benson-Bassham cycle, multistep regulation of the chloroplast ATP synthase (CF1Fo) is crucial to balance the ATP output of photosynthesis with protection...

Photosynthetic modulation during the diurnal cycle in a unicellular diazotrophic cyanobacterium grown under nitrogen-replete and nitrogen-fixing conditions

DOI: 10.1038/s41598-022-21829-6 Authors: Michelle Liberton, Sandeep Biswas, Himadri B. Pakrasi Abstract: Cyanobacteria are the only oxygenic photosynthetic organisms that can fix nitrogen. In diazotrophic cyanobacteria, the regulation of photosynthesis during the...

Allocation Method for Carbon Emission Initial Allowance in Port Industry

DOI: 10.1051/e3sconf/202124802048 Authors: Yiying Zhou, Yuanming Jia, Weitong Guo, Jing Li Abstract: Targeting issues in initial allocation of carbon emission allowance in port industry, this study puts forth a mixed allocation method that uses the baseline method for...

Insights into plastocyanin–cytochrome b6f complex formation: The role of plastocyanin phosphorylation

DOI: 10.1093/plphys/kiaf269 Authors: Yuval Milrad, Daniel Wegemann, Sebastian Kuhlgert, Martin Scholz, Muhammad Younas, André Vidal‐Meireles, Michael Hippler Abstract: Plastocyanin (PC) is a copper-containing protein that acts as a mobile electron carrier in plants...