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An update on the regulation of photosynthesis by thylakoid ion channels and transporters in Arabidopsis.

Review article
Authors Cornelia Spetea
Andrei Herdean
Guillaume Allorent
Luca Carraretto
Giovanni Finazzi
Ildikò Szabo
Published in Physiologia plantarum
Volume 161
Issue 1
Pages 16–27
ISSN 1399-3054
Publication year 2017
Published at Department of Biological and Environmental Sciences
Pages 16–27
Language en
Links dx.doi.org/10.1111/ppl.12568
www.ncbi.nlm.nih.gov/entrez/query.f...
Subject categories Botany, Cell Biology, Biochemistry and Molecular Biology

Abstract

In natural variable environments, plants rapidly adjust photosynthesis for optimal balance between light absorption and utilization. There is increasing evidence suggesting that ion fluxes across the chloroplast thylakoid membrane play an important role in this regulation, by affecting the proton motive force, and consequently photosynthesis and thylakoid membrane ultrastructure. This minireview presents an update on the thylakoid ion channels and transporters characterized in Arabidopsis thaliana as being involved in these processes, as well as an outlook at the evolutionary conservation of their functions in other photosynthetic organisms. This is a contribution to shed light on the thylakoid network of ion fluxes and how they help plants to adjust photosynthesis in variable light environments.

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