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Weniger Felder
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Titel:

Alterations of flavonoid biosynthesis in young grapevine (Vitis vinifera L.) leaves, flowers, and berries induced by the dioxygenase inhibitor prohexadione-Ca

Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Puhl, Iva; Stadler, Florian; Treutter, Dieter
Abstract:
Prohexadione-Ca is a structural mimic of 2-oxoglutarate, and according to this property, it is able to inhibit dioxygenase enzymes, which require 2-oxoglutarate as a cosubstrate. Such enzymes are involved in flavonoid biosynthesis; therefore, prohexadione-Ca treatment leads to alterations in the flavonoid metabolism in grapevine tissues. Because of the fact that phenolic compounds often are responsible for enhanced plant resistance, modification of phenylpropanoid metabolism using elicitation c...     »
Stichworte:
Chromatography, High Pressure Liquid; Dioxygenases/antagonists {&} inhibitors; Enzyme Inhibitors/pharmacology; Flavonoids/analysis/biosynthesis; Flowers/chemistry/metabolism; Fruit/chemistry/metabolism; Ketoglutaric Acids/pharmacology; Plant Leaves/chemistry/metabolism; Vitis/drug effects/growth {&} development/metabolism
Zeitschriftentitel:
Journal of agricultural and food chemistry
Jahr:
2008
Band / Volume:
56
Heft / Issue:
7
Seitenangaben Beitrag:
2498--2504
Volltext / DOI:
doi:10.1021/jf0727645
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