Promotion of Flowering by DNA Base Analogues and Changes in Acid Phosphatase and Peroxidase Isozyme Composition in Dark-Grown Arabidopsis thaliana
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概要
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A DNA base analogue, 5-bromodeoxyuridine (BUdR), promoted flowering of Arabidopsis thaliana in short and long photoperiods and even in total darkness. The promotive effect of BUdR was nullified by thymidine which had a weak inhibitory effect by itself. Another DNA base analogue, 5-fluorodeoxyuridine (FUdR), inhibited the flowering at a low concentration (10^<-8> M), but markedly enhanced the promotive effect of BUdR if they were present together in the culture medium. In the flower-promoting medium containing both BUdR and FUdR, the number of acid phosphatase isozymes decreased temporarily, followed by an increase to the control level with a prolonged culture period. The number of peroxidase isozymes was greater in plants grown in the medium with BUdR or BUdR+FudR than in those without them.
- 日本植物生理学会の論文
著者
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Goto Nobuharu
Department Of Biological Science Tohoku University
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Hamada M
Department Of Biology Miyagi College Of Education
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Hamada Masahiko
Department of Biology, Miyagi College of Education
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