Heavy-metal stress response system of plants, especially molecular-physiological analysis of detoxification mechanisms
| Project/Area Number |
18580064
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Plant nutrition/Soil science
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| Research Institution | Nihon University |
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Principal Investigator |
HASEGAWA Isao Nihon University, 生物資源科学部, 教授 (40218441)
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| Project Period (FY) |
2006 – 2008
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| Project Status |
Completed (Fiscal Year 2008)
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| Budget Amount *help |
¥3,950,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2006: ¥2,000,000 (Direct Cost: ¥2,000,000)
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|---|
| Keywords | 植物成長・生理 / 重金属ストレス応答 / シロイヌナズナ / カドミウム / フィトケラチン / グルタチオン / システイン / イオウ代謝系酵素遺伝子 / アブラナ科植物 / 強酸性 / 酵素遺伝子 / 他の重金属 / 定量PCR / CSase |
|---|
| Research Abstract |
シロイヌナズナを用い、カドミウム(Cd)処理に伴う硫黄代謝系および各重金属リガンドの生合成系に関与する酵素遺伝子13個の発現量とリガンド生成量について検討したところ、Cd処理濃度で最も高発現している遺伝子は、フィトケラチン(PCs)合成酵素遺伝子(PCS1)であった。システイン合成能を強化した形質転換体ではPCS1遺伝子の高発現と同時にPCs含量が増加し、カドミウムによる生育抑制が顕著に軽減された。
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Report
(4 results)
Research Products
(26 results)
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[Journal Article] Curtobacterium ammoniigenes sp. nov., an ammonia-producing bacterium isolated from plants inhabiting acidic swamps in actual acid sulfate soil areas of Viet Nam2007
Author(s)
T. Aizawa, N. B. Ve, K. Kimoto, N. Iwabuchi, H. Sumida, I. Hasegawa, S. Sasaki, T. Tamura, T. Kudo, K. Suzuki, M. Nakajima, and M. Sunairi
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Journal Title
International Journal of Systematic and Evolutionary Microbiology 57
Pages: 1447-1452
Related Report
Peer Reviewed
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[Journal Article] Curtobacterium ammoniigenes sp. nov., an ammonia-producing bacterium isolated from plants inhabiting acidic swamps in actual acid sulfate soil areas of Viet Nam.2007
Author(s)
T. Aizawa, N. B. Ve, K. Kimoto, N. Iwabuchi, H. Sumida, I. Hasegawa, S. Sasaki, T. Tamura, T. Kudo, K. Suzuki, M. Nakajima, and M. Sunairi.
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Journal Title
International Journal of Systematic and Evolutionary Microbiology 57
Pages: 1447-1452
Related Report
Peer Reviewed
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[Journal Article] Curtobacterium ammoniigenes sp. Nov., an ammonia-producing bacterium isolated from plants inhabiting acidic swamps in actual acid sulfate soil areas of Viet Nam,2007
Author(s)
T.Aizawa, N.B.Ve, K.Kimoto, N.Iwabuchi, H.Sumida, I.Hasegawa, S.Sasaki, T.Tamura, T.Kudo, K.Suzuki, M.Nakajima, S.Sunairi
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Journal Title
International Journal of Systematic and Evolutionary Microbiology (inpress)
Related Report
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