Analysis of molecular mechanisms of endoreduplication through chloroplast-dependent regulation.
| Project/Area Number |
19770044
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
植物生理・分子
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| Research Institution | The Institute of Physical and Chemical Research |
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Principal Investigator |
YOSHIZUMI Takeshi The Institute of Physical and Chemical Research, 植物ゲノム機能研究チーム, 研究員 (80342872)
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| Project Period (FY) |
2007 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥3,840,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥540,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,500,000 (Direct Cost: ¥1,500,000)
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| Keywords | 発生・分化 / エンドリデュプリケーション / 葉緑体 / 情報伝達 / 細胞サイズ / 細胞周期 / エンドリデュブリケーション |
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| Research Abstract |
We focused on the molecular mechanisms of endoreduplication controlled by chloroplast. Because two genes relating chloroplast were identified as the corresponding genes of dominant mutants, ilp2-D and ilp5-D that shows increased polyploidy. To examine physiological function of these genes, we analyzed loss of these genes mutants. However, these mutants did not showed significant phenotypes on polyploidy levels.
We newly developed a unique construction of RNAi for the knock-down of these genes, and published a paper describing several advantage points of this method.
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Report
(4 results)
Research Products
(21 results)
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[Journal Article] RETARDED GROWTH OF EMBRYO1, a New Basic Helix-Loop-Helix Protein, Expresses in Endosperm to Control Embryo Growth.2008
Author(s)
Kondou Y, Nakazawa M, Kawashima M, Ichikawa T, Yoshizumi T, Suzuki K, Ishikawa A, Koshi T, Matsui R, Muto S, Matsui M.
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Journal Title
Plant Physiol. 147
Pages: 1924-1935
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