2013 Fiscal Year Final Research Report
Molecular mechanisms for borate crosslinking of pectic polysaccharides in plant cell walls
| Project/Area Number |
22688005
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Plant nutrition/Soil science
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| Research Institution | Hokkaido University |
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Principal Investigator |
MIWA Kyoko 北海道大学, 創成研究機構, 特任助教 (50570587)
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| Project Period (FY) |
2010-04-01 – 2013-03-31
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| Keywords | シロイヌナズナ / ホウ素 / 植物細胞壁 / ペクチン / 変異株 / 遺伝子 |
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| Research Abstract |
Boron is one of essential elements for plants and boron deficiency reduces plant productivity. It has been already established that one major physiological role of boron is borate crosslinking of the specific polysaccharides in cell walls. However, molecular mechanisms underlying formation of this borate crosslinking in cell walls remains unknown. In the present study, molecules related to borate crosslinking of cell walls were identified in Arabidopsis, including a boron transporter which preferentially transports boron for efficient formation of borate cross-linked cell walls under low boron conditions.
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[Journal Article] Roles of BOR2, an efflux-type boron transporter, in crosslinking of rhamnogalacturonan II and root elongation under boron limitation in Arabidopsis thaliana2013
Author(s)
Miwa, K., Wakuta, S., Takada, S., Ide, K., Takano, J., Naito, S., Omori, H., Matsunaga, T., Fujiwara, T.
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Journal Title
Plant Physiology
Volume: 163, 4
Pages: 1699-1709
Peer Reviewed
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