リンゴ'ふじ'と'王林'の発育段階におけるフラボノイドの蓄積とフラボノイド生合成に関与する酵素活性の変化

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献1件 参考文献20件

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タイトル別名
  • Flavonoid Biosynthesis and Accumulation and Related Enzyme Activities in the Skin of 'Fuji' and 'Oorin' Apples during their Development.

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To ascertain the mechanism of apple skin coloration, changes in the flavonoid biosynthesis and accumulations and related enzyme activities were investigated during fruit development in redskinned 'Fuji' and green-skinned 'Oorin' apples. In 'Fuji' anthocyanin accumulated from 139 days after full bloom (DFB) concurrent with fruit maturation. Proanthocyanidins and flavonols showed highest concentrations in very young fruit ; then decreased gradually afterwards and remained almost constant throughout fruit development in both cultivars. Changes in phenylalanine ammonia-lyase (PAL) activity corresponded with these patterns, but they slightly increased in 'Fuji' 139 DFB. The changing pattern of chalcone isomerase (CHI) activity was similar to that of PAL until maturation when a slight increase in CHI activity was observed. CHI activity in 'Fuji' apple skin was higher than that of 'Oorin'. In the 'Fuji' apple skin, UDP-3-O-glycosyltransferase (UFGalT) activity markedly increased from 139 DFB, parallel with anthocyanin accumulation. Our results suggest that anthocyanin synthesis mainly occurs during coloration in 'Fuji'. PAL, CHI, and UFGalT enzymes are involved with antocyanin synthesis ; UFGalT seems to be the most important enzyme in red pigmentation of 'Fuji'.

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  • 園芸学会雑誌

    園芸学会雑誌 71 (3), 317-321, 2002

    一般社団法人　園芸学会

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