biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 12:241-245, 1970 | DOI: 10.1007/BF02920808

Simple phenolic glycosides as potential regulators of the IAA-oxidase system

M. Pąenák1, A. Jindra1, P. Kovács1
1 Department of Biochemistry and Microbiology Faculty of Pharmacy, Komenský University, Bratislava

The effect of phenols and simple phenolic glycosides on the activity of IAA-oxidase isolated from gherkin seedlings was studied in experimentsin vitro. Phenol stimulated the enzyme system activity, eugenol and quinol were proven as inhibitors. Simple phenolic glycosides (arbutin, gein and phenol glucoside) influenced IAA-oxidase activity only if β-glycosidase was present: rree phenols released from their bound form increased or decreased the IAA level. The potential fegulatory effect of simple phenolic glycosides on the IAA level in plants has been discussed; this effect is thought to be mediated by free phenols and by influence on the IAA-oxidase system.

Received: August 9, 1969; Published: May 1, 1970  Show citation

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Pąenák, M., Jindra, A., & Kovács, P. (1970). Simple phenolic glycosides as potential regulators of the IAA-oxidase system. Biologia plantarum, 12(3), 241-245. doi: 10.1007/BF02920808
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