J Integr Plant Biol. ›› 1983, Vol. 25 ›› Issue (6): -.

• Research Articles •    

The Relationships Between Activities of Indoleacetic Acid Oxidase, Peroxidase ahd Isoenzymes in Four Kinds of Calli

Xu Gui-fang, Niu Yu-xian, Tang Ding-tai and Zhang Jing-lan   

Abstract: Aspen, Hami melon, soybean and tobacco calli were incubated in Miller's solid medium supplemented with IAA 4 mg/L and kinetin 0.5 mg/L. Activities of IAA-oxidase and peroxidase were determined at 0,5,10,15 and 25 days after incubation. The activities of IAA oxidase and peroxidase of Hami melon callus were found to be the highest and the tobacco was the lowest among the four different kinds of calli, both enzymes showed their peak value in 10 days after incubation. There were no change in pattern of peroxidase isoenzyme among the four kinds of calli during the incubation, but the activities of IAA-oxidase and its isoenzyme of Hami melon at bands A6, A7 and A8 were 3 to 17 folds higher than that of corresponding isoenzyme of other three kinds of calli.

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