Fructan Mobilization and the Involvement of Two β-Fructofuranosidases in Lycoris radiata Sprouting(Biological Chemistry)
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概要
- 論文の詳細を見る
Seasonal changes of oligofructans, sucrose, glucose, and fructose contents in the various tissues of Lycoris radiata were followed by HPLC analyses. Oligofructans were found in all tissues except the scape, where large and nearly equal amounts of glucose and fructose were present. At the sprouting stage, oligofructans in the bulb greatly decreased with increases of both fructose content and β-fructofuranosidase activity. The bulb enzyme responsible for the fructan breakdown was a fructan exohydrolase that was inactive against sucrose, and the scape tissue contained a β-fructofuranosidase (EC 3.2.2.26) highly active toward sucrose. These results show a role of the accumulated fructans as an energy source for sprouting of the scape during the non-photosynthetic stage, the energy probably being supplied as sucrose.
- 社団法人日本農芸化学会の論文
- 1991-12-23
著者
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HATANAKA Chitoshi
Department of Applied Biochemistry, Faculty of Applied Biological Science, Hiroshima University
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Nagamatsu Yasunori
Department Of Applied Biochemistry Faculty Of Applied Biological Science Hiroshima University
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Hatanaka C
Department Of Applied Biochemistry Faculty Of Applied Biological Science Hiroshima University
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Hatanaka Chitoshi
Department Of Applied Biochemistry Faculty Of Applied Biological Science Hiroshima University
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YAHATA Masahito
Department of Applied Biochemistry, Faculty of Applied Biological Science, Hiroshima University
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Yahata Masahito
Department Of Applied Biochemistry Faculty Of Applied Biological Science Hiroshima University
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Yahata Masahito
New Business Development Department Shimadzu Co.
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Nagamatsu Y
Department Of Applied Biochemistry Faculty Of Applied Biological Science Hiroshima University
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