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The ancestral symbiont sensor kinase CSK links photosynthesis with gene expression in chloroplasts.

Abstract:

We describe a novel, typically prokaryotic, sensor kinase in chloroplasts of green plants. The gene for this chloroplast sensor kinase (CSK) is found in cyanobacteria, prokaryotes from which chloroplasts evolved. The CSK gene has moved, during evolution, from the ancestral chloroplast to the nuclear genomes of eukaryotic algae and green plants. The CSK protein is now synthesised in the cytosol of photosynthetic eukaryotes and imported into their chloroplasts as a protein precursor. In the mod...

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Publication status:
Published

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Publisher copy:
10.1073/pnas.0803928105

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Institution:
University of Oxford
Division:
MSD
Department:
NDORMS
Role:
Author
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Journal:
Proceedings of the National Academy of Sciences of the United States of America
Volume:
105
Issue:
29
Pages:
10061-10066
Publication date:
2008-07-01
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
Source identifiers:
230021

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