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- Title
Evidence for nucleotide-dependent processes in the thylakoid lumen of plant chloroplasts – an update
- Authors
Spetea, Cornelia; Lundin, Björn
- Abstract
Abstract: The thylakoid lumen is an aqueous chloroplast compartment enclosed by the thylakoid membrane network. Bioinformatic and proteomic studies indicated the existence of 80–90 thylakoid lumenal proteins in Arabidopsis thaliana, having photosynthetic, non-photosynthetic or unclassified functions. None of the identified lumenal proteins had canonical nucleotide-binding motifs. It was therefore suggested that, in contrast to the chloroplast stroma harboring nucleotide-dependent enzymes and other proteins, the thylakoid lumen is a nucleotide-free compartment. Based on recent findings, we provide here an updated view about the presence of nucleotides in the thylakoid lumen of plant chloroplasts, and their role in function and dynamics of photosynthetic complexes.
- Subjects
THYLAKOIDS; PHOTOSYNTHESIS; CHLOROPLASTS; ARABIDOPSIS thaliana; GREEN fluorescent protein; NUCLEOSIDE diphosphate kinases; BIOLOGICAL membranes
- Publication
FEBS Letters, 2012, Vol 586, Issue 18, p2946
- ISSN
0014-5793
- Publication type
Article
- DOI
10.1016/j.febslet.2012.07.005