| Co-Investigator(Kenkyū-buntansha) |
ARAI Katsutoshi 北海道大学, 大学院水産科学研究院, 教授 (00137902)
TAKAGI Yasuaki 北海道大学, 大学院水産科学研究院, 教授 (10212002)
HIRAMATSU Naoshi 北海道大学, 大学院水産科学研究院, 准教授 (10443920)
YAMAHA Etsuro 北海道大学, 北方生物圏フィールド科学センター, 教授 (60191376)
IJIRI Shigeho 北海道大学, 大学院水産科学研究院, 准教授 (90425421)
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| Budget Amount *help |
¥41,210,000 (Direct Cost: ¥31,700,000、Indirect Cost: ¥9,510,000)
Fiscal Year 2015: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2013: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
Fiscal Year 2012: ¥21,320,000 (Direct Cost: ¥16,400,000、Indirect Cost: ¥4,920,000)
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| Outline of Final Research Achievements |
Identification of genes that express by stage specific manner and quantification of their mRNA levels in gonads were conducted throughout the periods of molecular sex differentiation, morphological sex differentiation, oocyte growth and maturation in Russian and Amur sturgeons using a next-generation sequencer. The information obtained from this study was utilized in the application for the development of techniques on sexing in the early developmental stage, induction of sexual maturation in the earlier gonadal developmental stage, production of good quality eggs and production of all female population.
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