QTL analysis of hybridization barrier in rice endosperm
| Project/Area Number |
23380005
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Breeding science
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| Research Institution | Nagahama Institute of Bio-Science and Technology (2012-2013)
Nara Institute of Science and Technology (2011) |
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Principal Investigator |
TETSU Kinoshita 長浜バイオ大学, バイオサイエンス学部, 客員教授 (60342630)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2013: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2012: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
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| Keywords | 胚乳 / 生殖隔離 / イネ / エピジェネティクス / O. longistaminata / 野生イネ / 雑種 |
|---|
| Research Abstract |
We identified QTL region located on the long arm of chr.1. The locus causes hybridization barrier of rice endosperm in the cross of female O. sativa cv. Nipponbare and male O. longistaminata. In addition, we investigated and compared detailed endosperm development in interploidy and interspecific crosses. As a result, both cases show very similar endosperm phenotypes and patterns of developmental transitions, but in the nuclear division rate of endosperm.
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Report
(4 results)
Research Products
(32 results)
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[Presentation] Epigenetic Control of Species Hybridization Plant Endosperm2012
Author(s)
Ishikawa, R., Ohnishi, T., Kinoshita, Y., Eiguchi, M., Kurata, N., Kinoshita, T.
Organizer
The 8th Okazaki Biology Conference, Speciation and AdaptationII-Environment and Epigenetics-
Place of Presentation
Okazaki, Aichi(招待講演)
Year and Date
2012-03-22
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[Presentation] イネ屋内栽培系の開発2011
Author(s)
大西孝幸、山川博幹、木下哲
Organizer
日本遺伝学会第83回大会
Place of Presentation
京都市(ワークショップ主催)
Year and Date
2011-09-20
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