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Starch synthesis in transgenic potato tubers with increased 3-phosphoglyceric acid content as a consequence of increased 6-phosphofructokinase activity.

Abstract:

The aim of this work was to test the hypothesis that changes in cytosolic 3-phosphoglyceric acid (3-PGA) content can regulate the rate of starch synthesis in potato (Solanum tuberosum L.) tubers. The amount of 3-PGA was increased by expressing bacterial phosphofructokinase (PFK; EC 2.7.1.11) in transgenic potato tubers. The resultant 3-fold increase in PFK activity was accompanied by an increase in metabolites downstream of PFK, including a 3-fold increase in 3-PGA. There was also a decrease ...

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Publication status:
Published

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Publisher copy:
10.1007/s004250100544

Authors


More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Plant Sciences
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Plant Sciences
Role:
Author
Journal:
Planta
Volume:
213
Issue:
3
Pages:
478-482
Publication date:
2001-07-05
DOI:
EISSN:
1432-2048
ISSN:
0032-0935
URN:
uuid:6a83abef-c1dd-4e54-8b12-61e5c11e1523
Source identifiers:
31930
Local pid:
pubs:31930

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