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Article

Light regulation of ascorbate biosynthesis is dependent on the photosynthetic electron transport chain but independent of sugars in Arabidopsis.

Journal of experimental botany - 1 Jan 2007

Yabuta Yukinori, Mieda Takahiro, Rapolu Madhusudhan, Nakamura Ayana, Motoki Takashi, Maruta Takanori, Yoshimura Kazuya, Ishikawa Takahiro, Shigeoka Shigeru

Abstract excerpt

It has been known that leaves exposed to high light contain more L-ascorbic acid (AsA) than those in the shade. However, the mechanism of the light regulation of the AsA pool size in plants is largely unknown. In this work, the relationship between gene expression levels related to AsA biosynthesis and photosynthesis have been studied. When 2-week-old Arabidopsis plants grown under a 16 h daily photoperiod were...

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PMID: 17586607
DOI: 10.1093/jxb/erm124

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