| Budget Amount *help |
¥40,430,000 (Direct Cost: ¥31,100,000、Indirect Cost: ¥9,330,000)
Fiscal Year 2017: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2016: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Fiscal Year 2015: ¥11,700,000 (Direct Cost: ¥9,000,000、Indirect Cost: ¥2,700,000)
Fiscal Year 2014: ¥13,260,000 (Direct Cost: ¥10,200,000、Indirect Cost: ¥3,060,000)
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| Outline of Final Research Achievements |
Revealing the genetic basis of traits for reproductive isolation based on the analysis of the whole genome is an important subject in evolutionary ecology. In Carabus (Ohomopterus) beetles, differences in genital morphology and body size contribute to pre-zygotic reproductive isolation, and diversification in these traits contributes to species the richness and formation of multi-species assembly. We sequenced the whole genome of representative species and searched for QTLs and candidate genes for species-specific genital morphology and body size differences. For genital morphology, we investigated QTLs for species-specific genital dimensions between C. iwawakianus and C. maiyasanus, referring to the whole genome sequence of C. uenoi. For body size, we investigated QTLs for body size dimensions using a crossing between two populations in C. japonicus. For both traits, we found a few QTLs with large phenotypic effects and revealed candidate genes located in the QTL regions.
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