Effects of dikegulac, a new growth regulator, on RNA syntheses in Spirodela
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概要
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The effects of dikegulac sodium on plastid RNA syntheses were studied, as dikegulac induces the formation of yellow misshapen leaves. It depressed uridine incorporation into both plastid and cytoplasmic ribosomal RNAs of axenically cultured Spirodela (duckweed). With short labeling time (1 hr) dikegulac specifically suppressed the synthesis of a plastid 1.2×10^6 MW RNA species, as well as nonspecifically depressing incorporation. With longer labeling time (24 hr), the incorporation into mature plastid rRNAs was suppressed to a greater extent than that into cytoplasmic rRNAs. The inhibitions of uridine incorporation caused by dikegulac are probably indirect and a reflection of its effect on other growth parameters.
- 日本植物生理学会の論文
著者
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Gressel J
Department Of Plant Genetics The Weizmann Institute Of Science
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Cohen Noa
Department Of Plant Genetics The Weizmann Institute Of Science