| Project/Area Number |
24580087
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Applied entomology
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| Research Institution | National Institute of Agrobiological Sciences |
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Principal Investigator |
KOTAKI Toyomi 独立行政法人農業生物資源研究所, 昆虫成長制御研究ユニット, 上級研究員 (20391550)
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| Co-Investigator(Kenkyū-buntansha) |
SHINADA Tetsuro 大阪市立大学, 理学(系)研究科, 教授 (30271513)
SHIGA Sakiko 大阪市立大学, 理学(系)研究科, 教授 (90254383)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 幼若ホルモン / カメムシ目 / 頸吻群 / 卵巣発育 / アラタ体 / 昆虫生理 / 不斉合成 / 昆虫制御剤 |
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| Outline of Final Research Achievements |
The purpose of the present study is to elucidate the structure of juvenile hormone (JH) in cicadas, which belongs to the suborder, Auchenorrhyncha. Planthoppers and leafhoppers also belong to this suborder, and many species of these groups are known as serious pests attacking rice plant. The corpora allata (CA) were taken out from cicada adults and incubated in vitro. The products of CA were extracted from incubation medium and subjected to chemical analysis. The results indicated that the structure of CA products was different from the one anticipated at the beginning of the study, but the attempt to determine the structure was unsuccessful. Several methods were examined to select a suitable way to test JH activity in cicadas, and CA extirpation followed by JH injection was expected to be useful for JH assay.
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