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You searched for: Journal Biochimica et biophysica acta Remove constraint Journal: Biochimica et biophysica acta Publication Year 2019 Remove constraint Publication Year: 2019 Source 2019 v.1860 no.1 Remove constraint Source: 2019 v.1860 no.1 Subject Chlorophyta Remove constraint Subject: Chlorophyta
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1. Cytochrome c6 is the main respiratory and photosynthetic soluble electron donor in heterocysts of the cyanobacterium Anabaena sp. PCC 7120

Author:
Torrado, Alejandro; Ramírez-Moncayo, Carmen; Navarro, José A.; Mariscal, Vicente; Molina-Heredia, Fernando P.
Source:
Biochimica et biophysica acta 2019 v.1860 no.1 pp. 60-68
ISSN:
0005-2728
Subject:
Anabaena; Chlorophyta; copper; cytochrome c; enzymes; mutants; nitrogen; photosystem I; plastocyanin; vegetative cells
Abstract:
... Cytochrome c6 is a soluble electron carrier, present in all known cyanobacteria, that has been replaced by plastocyanin in plants. Despite their high structural differences, both proteins have been reported to be isofunctional in cyanobacteria and green algae, acting as alternative electron carriers from the cytochrome b6-f complex to photosystem I or terminal oxidases. We have investigated the su ...
DOI:
10.1016/j.bbabio.2018.11.009

2. Light-adaptive state transitions in the Ross Sea haptophyte Phaeocystis antarctica and in dinoflagellate cells hosting kleptoplasts derived from it

Author:
Stamatakis, Kostas; Broussos, Panayiotis-Ilias; Panagiotopoulou, Angeliki; Gast, Rebecca J.; Pelecanou, Maria; Papageorgiou, George C.
Source:
Biochimica et biophysica acta 2019 v.1860 no.1 pp. 102-110
ISSN:
0005-2728
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Miozoa; Phaeocystis; Rhodophyta; absorption; algae; amino acids; autotrophs; chlorophyll; circular dichroism spectroscopy; fluorescence; kleptoplasts; photosynthesis; ultraviolet radiation; Antarctica
Abstract:
... Light state transitions (STs) is a reversible physiological process that oxygenic photosynthetic organisms use in order to minimize imbalances in the electronic excitation delivery to the reaction centers of Photosystems I and II, and thus to optimize photosynthesis. STs have been studied extensively in plants, green algae, red algae and cyanobacteria, but sparsely in algae with secondary red alga ...
DOI:
10.1016/j.bbabio.2018.11.016