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Science Journal of Kanagawa University(神奈川大学総合理学研究所) >
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このアイテムの引用には次の識別子を使用してください: http://hdl.handle.net/10487/14222

タイトル: カラスウリ果実の成熟に伴う果皮色素成分変化と有色体形態形成
その他のタイトル: Pigment Changes and Chromoplast Morphogenesis in Pericarp during Fruit Ripening of Trichosanthes Cucumeroides Maxim.
著者: 早津, 学
Hayatsu, Manabu
佐藤, 光恵
Sato, Mitsue
鈴木, 季直
Suzuki, Suechika
キーワード: fruit ripening of Trichosanthes cucumeroides Maxim.
fruit pericarp
chlorophyll
carotenoid
chromoplast morphogenesis
発行日: 30-Jun-2016
出版者: 神奈川大学総合理学研究所
抄録: The correlative change of pigments with chromoplast morphogenesis in the fruit pericarp of Trichosanthes cucumeroides Maxim. was examined by pigment spectrophotometry and electron-microscopy. In young gourd fruits, dark and pale green stripes were running alternately on the surface of fruit, and those colors changed gradually to red through yellow during fruit ripening. As fruit ripening proceeded, chlorophyll contents in the dark green stripe region increased in the early stage, and then decreased gradually toward the red-ripe stage. In the pale green region, however, chlorophyll contents decreased successively during the fruit ripening. On the other hand, carotenoids were newly synthesized. When both stripe regions became yellow, major carotenoids were α-cryptoxanthin and lutein. Lycopene was detected as a major carotenoid at the red-ripe stage of fruit ripening. Plastid metamorphosis to chromoplasts was observed with the pigment change in the pericarp. In greenish pericarps, plastids had well developed grana and intergrana thylakoids, as found in the chloroplasts of green leaves. As ripening proceeded, the internal thylakoid system was gradually destroyed, and plastoglobuli increased in both number and size. At the red-ripe stage of fruit ripening, chromoplasts exclusively included plate-like crystalloids. The results suggest that the plate-like carotenoid crystalloids are formed by the aggregation of fibrous crystalloids during chromoplast maturation.
内容記述: 原著
URI: http://hdl.handle.net/10487/14222
ISSN: 1880-0483
出現コレクション:27巻

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