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2015 Fiscal Year Final Research Report

Molecular mechanism of ascorbate biosynthesis and its pool size in plant source and sink tissues

Research Project

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Project/Area Number 24380186
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Applied molecular and cellular biology
Research InstitutionShimane University

Principal Investigator

ISHIKAWA Takahiro  島根大学, 生物資源科学部, 教授 (60285385)

Co-Investigator(Kenkyū-buntansha) MARUTA Takanori  島根大学, 生物資源科学部, 准教授 (50607439)
Research Collaborator TANEDA Hayato  
SODEYAMA Tsubasa  
Smirnoff Nicholas  
Project Period (FY) 2012-04-01 – 2016-03-31
Keywordsアスコルビン酸生合成 / 光合成生物 / 光調節
Outline of Final Research Achievements

The aim of this study is to clarify regulation mechanism of plant vitamin C biosynthesis in response to light. We have done molecular physiological analyses using Arbidopsis, tomato, and moss plants, and concluded that photosynthesis electron transport system is working as a trigger for light dependent vitamin C synthesis. In addition, we obtained some experimental evidences that the key regulatory factors contribution downstream of this trigger is VTC2 and VTC3, encoding GDP-L-galactose phosphorylase and a novel protein kinase/phosphatase, respectively.

Free Research Field

植物分子生理学

URL: 

Published: 2017-05-10  

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