Oxidized Oligogalacturonides Activate the Oxidation of Indoleacetic Acid by Peroxidase
- 1 August 1991
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 96 (4) , 1167-1170
- https://doi.org/10.1104/pp.96.4.1167
Abstract
Partial hydrolysis of polygalacturonic acid with a purified α-1,4-endopolygalacturonase yielded oligogalacturonides and trace amounts of a series of modified oligogalacturonides. Three of the minor products were isolated and identified as oxidized oligogalacturonides possessing termini of galactaric acid. Oxidation of indole-3-acetic acid by peroxidases was activated by oxidized oligogalacturonides but not by normal analogs.Keywords
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