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Nat Biotechnol. 1999 Jul;17(7):708-11.

Ectopic expression of a tobacco invertase inhibitor homolog prevents cold-induced sweetening of potato tubers.

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1
Botanisches Institut, INF 360, Heidelberg, Germany.

Abstract

We have transformed potato with Nt-inhh cDNA, encoding a putative vacuolar homolog of a tobacco cell wall invertase inhibitor, under the control of the CaMV 35S promoter. In transgenic tubers, cold-induced hexose accumulation was reduced by up to 75%, without any effect on potato tuber yield. Processing quality of tubers was greatly improved without changing starch quantity or quality, an important prerequisite for the biotechnological use of Nt-inhh for potato transformation.

PMID:
10404166
DOI:
10.1038/10924
[Indexed for MEDLINE]
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