Shoot-synthesized nodulation-restricting substances are present in the medium-polarity fraction of shoot extracts from wild-type soybean plants(Plant Nutrition)
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概要
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Previously, we reported that shoot-synthesized nodulation-restricting substance(s) (SNRS) was present in extracts from shoots of a wild-type soybean, cv. Williams82. In the present paper, we report SNRS activity of fractions prepared from shoot extracts of Williams82. Activity of the ethanol-soluble medium-polarity fraction (MPF), which was prepared by solid-phase extraction of the shoot extract using an octadecyl-bonded silica (ODS) cartridge, was similar to that of the shoot extract. A high-polarity fraction of the extract was separated into subfractions, which were tested for SNRS activity. The anionic plus non-ionic fraction and the cationic plus amphoteric fraction showed no SNRS activity. Our findings indicate that SNRS is present in the MPF of an extract prepared from shoots of Williams82.
著者
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Arima Yasuhiro
Department Of Agricultural Chemistry Univerisy Of Tokyo
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Arima Yasuhiro
Department Of Bioproduction Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Arima Yasuhiro
Department Of Agricultural Chemistry The University Of Tokyo
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Yamaya Hiroko
United Graduate School Of Agricultural Science Tokyo University Of Agriculture And Technology:(prese
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