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Nat Biotechnol. 1997 Aug;15(8):794-7.

Increased potato tuber size resulting from apoplastic expression of a yeast invertase.

Author information

1
Institut für Genbiologische Forschung Berlin GmbH, Germany.

Abstract

The role of sucrose cleavage in determining sink strength in potato was investigated by generating transgenic potato plants that expressed a yeast invertase in either the cytosol or apoplast of tubers. Cytosolic localization gave rise to a reduction in tuber size and an increase in tuber number per plant whereas apoplastic targeting led to an increase in tuber size and a decrease in tuber number per plant. Sink organ size can be manipulated through modification of sucrose metabolism.

PMID:
9255797
DOI:
10.1038/nbt0897-794
[Indexed for MEDLINE]

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