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A mutant of Arabidopsis lacking the triose-phosphate/phosphate translocator reveals metabolic regulation of starch breakdown in the light.

Abstract:

The chloroplast envelope triose-phosphate/phosphate translocator (TPT) is responsible for carbohydrate export during photosynthesis. Using measurements of carbohydrates, partitioning of assimilated 14CO2, photosynthetic gas exchange, and chlorophyll fluorescence, we show that a mutant of Arabidopsis lacking the TPT increases synthesis of starch compared to the wild type, thereby compensating for a deficiency in its ability to export triose-phosphate from the chloroplast. However, during growt...

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Publication status:
Published

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Publisher copy:
10.1104/pp.104.040469

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Plant Sciences
Role:
Author
Journal:
Plant physiology
Volume:
135
Issue:
2
Pages:
891-906
Publication date:
2004-06-05
DOI:
EISSN:
1532-2548
ISSN:
0032-0889
URN:
uuid:92822e9f-e924-467b-9d25-939c40c9febb
Source identifiers:
32727
Local pid:
pubs:32727

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