Change in the indole-3-acetic acid oxidase level in leaves of Begonia evansiana cuttings at the time of aerial tuber formation under short-day conditions

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概要

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• IAA oxidase in Begonia evansiana leaves was partially purified by DEAE cellulose chromatography. The enzyme was identified as peroxidase from its elution pattern, its Michaelis constant and the effects of various inhibitors and high temperature. In B. evansiana, which requires SD treatment to form aerial tubers, the amount of IAA oxidase in leaves increased to a maximum after 2 days of SD treatment. When SDS with interrupted night were given, a maximum was reached after 6 SDs. Thus, the change in IAA oxidase content had an inverse correlation to that for IAA content observed previously.

• 日本植物生理学会の論文

著者

• Nagao Masayuki

  Biological Institute Faculty Of Science Tohoku University

• Sano Hiroshi

  Biological Institute Tohoku University

関連論文

• Studies on peroxidase isolated from etiolated Alaska pea seedlings I. General properties
• THE ROLE OF AUXIN IN THE PHOTOPERIODIC TUBERIZATION IN BEGONIA EVANSIANA ANDR
• EFFECTS OF PHOTOPERIOD AND GIBBERELLIN ON THE GERMINATION OF SEEDS OF BEGONIA EVANSIANA ANDR.
• Change in the indole-3-acetic acid oxidase level in leaves of Begonia evansiana cuttings at the time of aerial tuber formation under short-day conditions

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