Comparative investigations on the metabolic fate of a GA3 amino acid conjugate with those of glucosides and derivatives of GA3.

Autor: Liebisch, H. W.
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Jazyk: angličtina
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Druh dokumentu: Non-fiction
ISSN: 0006-3134
Abstrakt: Abstract: Three different radioactively 1 abelled conjugates and four derivatives of GA3 were compared with regard to the uptake and metabolism in isolated cells of Lycopersicon esculentum L. The generally low and heavily varying rates of uptake did not correlate with the partition coefficients of the individual compounds in the system. N-GA3-oyl-[2-14C]-glyeine was not hydrolyzed at all in tomato cell cultures whilst GA3 glucosyl ester and GA3-3-O-glueoside showed partial cleavage to GA3. The stability of the amide linkage in N-GA3-oyl-glycine was further established in metabolic experiments with intact tomato seedlings and inin vitro systems with proteases.
Databáze: Katalog Knihovny AV ČR
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