Experiments showed that indoleacetic acid oxidase (IAAO) activity decreased as relative
growth rate increased, increased basipetally and increased as the shoots became more …

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Extracts from roots of Nicotiana tabacum L var. Bottom Special contain oxidative enzymes
capable of rapid degradation of indoleacetic acid (IAA) in the presence of Mn2+ and 2, 4 …

The activity of indole acetic acid oxidase (IAAO), polyphenol oxidase (PPO)[catechol
oxidase] and peroxidase (POD), and the relationship between enzyme activities and rooting …

IAA oxidase in Begonia evansiana leaves was partially purified by DEAE cellulose
chromatography. The enzyme was identified as peroxidase from its elution pattern, its …

Abstract The indole-3-acetic acid (IAA) oxidase activity of shoot and root tips of etiolated pea
seedlings (Pisum sativum L. var. Sparkle) during and after chilling was determined. The IAA …

Indoleacetate oxidase activity in Pharbitis nil, Japanese morning glory, was zymographically
examined. Some isozymes appeared only after treatment with a low concentration of …

Extracts from tissue cultures of crown-gall from Parthenocissus catalysed the destruction of
indoleacetic acid in vitro with optimum activity at pH 4· 5. The presence of two co-factors …

Reduction of IAA oxidase activity in etiolated pea buds by exposure to light was first reported
by Tang and Bonner (9). Hillman and Galston (4) have shown that the IAA oxidase activity of …

946 C. IS.\DI.\Y JOGllYi\I, 01: ROT.\SV. VOI,. 45, 1967 or molecule different from the one~
vhich catalyzed the peroxidatioil of guaiacol. A fresh enzyme preparation was frozen at-15 …