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|Regulation of electron transport in microalgae|
In: Biochimica et Biophysica Acta - Bioenergetics. Elsevier: Amsterdam. ISSN 0005-2728; e-ISSN 1879-2650
Marien; Brak water; Zoet water
Microalgae; Photosynthesis; Linear electron flow; Cyclic electron flow;Water-water cycle; Mitochondria-chloroplast metabolic interaction
|Auteurs|| || Top |
- Cardol, P.
- Forti, G.
- Finazzi, G.
Unicellular algae are characterized by an extreme flexibility with respect to their responses to environmental constraints. This flexibility probably explains why microalgae show a very high biomass yield, constitute one of the major contributors to primary productivity in the oceans and are considered a promising choice for biotechnological applications. Flexibility results from a combination of several factors including fast changes in the light-harvesting apparatus and a strong interaction between different metabolic processes (e.g. respiration and photosynthesis), which all take place within the same cell. Microalgae are also capable of modifying their photosynthetic electron flow capacity, by changing its maximum rate and/or by diverting photogenerated electrons towards different sinks depending on their growth status. In this review, we will focus on the occurrence and regulation of alternative electron flows in unicellular algae and compare data obtained in these systems with those available in vascular plants. This article is part of a Special Issue entitled: Regulation of Electron Transport in Chloroplasts.