2011 Fiscal Year Final Research Report
Genetic mechanisms of stickleback speciation
| Project/Area Number |
22770075
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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 |
Biodiversity/Systematics
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| Research Institution | National Institute of Genetics (2011)
Tohoku University (2010) |
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Principal Investigator |
KITANO Jun 国立遺伝学研究所, 新分野創造センター, 特任准教授 (80346105)
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| Project Period (FY) |
2010 – 2011
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| Keywords | 性染色体 / 種分化 / トゲウオ |
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| Research Abstract |
We determined the whole genome sequence of the Japan Sea and Pacific Ocean female sticklebacks. We searched for rapidly evolving DNA-binding proteins within the hybrid male sterility QTL. By using the comparative genome hybridization, we examined the degeneration of the neo-Y chromosome and dosage compensation. We also found QTL for morphological variation between these two species. We also compiled cases of autosome-sex chromosome fusions and proposed that female meiotic drive contributes to the neo-sex chromosome evolution.
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[Presentation] Neo-Sex Chromosome Formation and Speciation in the Japanese Sticklebacks2012
Author(s)
Yoshida K, Makino T, Yamaguchi K, Shigenobu S, Hasebe M, Mori S, Peichel K, Kawata M, Toyoda A, Fujiyama A, and Kitano J
Organizer
Symposium : Speciation and Adaptation II
Place of Presentation
岡崎
Year and Date
2012-03-21
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