关于细胞分裂素诱导甜菜色素合成过程中环状核苷酸未参与的证据。
Evidence against an involvement of cyclic nucleotides in the induction of betacyanin synthesis by cytokinins.
作者信息
Elliott D C, Murray A W
出版信息
Biochem J. 1975 Feb;146(2):333-7. doi: 10.1042/bj1460333.
Abstract
- A wide range of purine bases, nucleosides and cyclic nucleotides were shown to induce betacyanin synthesis in Amaranthus seedlings. 2. The induction of pigment by benzyladenine, dibutyryl cyclic AMP or cyclic AMP was not potentiated by aminophylline. Aminophylline was shown to inhibit Amaranthus cyclic AMP phosphodiesterase activity. 4. Incubation of seedlings with aminophylline inhibited the conversion of 6-[G--3H]benzyladenine into presumed 9- and 7-glucosylbenzyladenine. 5. Induction of betacyanin synthesis by 6-benzyladenine or by exposure to red light was not accompanied by changes in the total cyclic AMP content in seedlings. 6. It is concluded that the inducers tested act as cytokinin analogues; no evidence was obtained to support cyclic AMP as an intermediate in the induction process.
摘要
- 已表明多种嘌呤碱、核苷和环核苷酸可诱导苋属植物幼苗中甜菜色素苷的合成。2. 苄基腺嘌呤、二丁酰环磷酸腺苷或环磷酸腺苷对色素的诱导作用未被氨茶碱增强。已表明氨茶碱可抑制苋属植物环磷酸腺苷磷酸二酯酶的活性。4. 用氨茶碱处理幼苗可抑制6-[G-³H]苄基腺嘌呤转化为假定的9-和7-葡萄糖基苄基腺嘌呤。5. 6-苄基腺嘌呤或红光诱导甜菜色素苷合成时，幼苗中环磷酸腺苷的总量未发生变化。6. 得出的结论是，所测试的诱导剂起细胞分裂素类似物的作用；未获得支持环磷酸腺苷作为诱导过程中间产物的证据。
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