Changes in Endogenous Ribosyl-trans-zeatin and IAA Levels in Relation to the Proliferation of Tobacco Crown Gall Cells |
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| Authors: | Nakajima, Hiromitsu Yokota, Takao Takahashi, Nobutaka Matsumoto, Takashi Noguchi, Masao |
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| Affiliation: | 1 Department of Agricultural Chemistry, The University of Tokyo Bunkyo-ku, Tokyo 113, Japan
2 Central Research Institute, The Japan Tobacco Public Corporation 6-2, Umegaoka, Midoriku, Yokohama 227, Japan |
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| Abstract: | Changes in the contents of major endogenous plant hormones intobacco crown gall cells, namely IAA and ribosyl-trans-zeatin,during cell growth were examined using HPLC and 14C-labeledplant hormones. The content of IAA was high at the early logarithmicstage, while that of ribosyl-trans-zeatin was high at the middlelogarithmic stage. This suggests that cell growth is affectedfirst by IAA, then by ribosyl-trans-zeatin. 3 Present address: Department of Agricultural Chemistry, TottoriUniversity, Koyama, Tottori 680, Japan (Received July 13, 1981; Accepted September 11, 1981) |
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