2010 Fiscal Year Final Research Report
Diapause control mechanisms by neurosecretory cells in insects
| Project/Area Number |
20570074
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Animal physiology/Animal behavior
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| Research Institution | Osaka City University |
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Principal Investigator |
SHIGA Sakiko Osaka City University, 大学院・理学研究科, 教授 (90254383)
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| Co-Investigator(Kenkyū-buntansha) |
NUMATA Hideharu 京都大学, 大学院・理学研究科, 教授 (70172749)
GOTO Shinsuke 大阪市立大学, 大学院・理学研究科, 准教授 (70347483)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 休眠 / エクジステロイド / インスリン受容体 / 脳間部 / ルリキンバエ / 幼若ホルモン |
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| Research Abstract |
Diapause controlling mechanisms by neurosecretory cells in the pars intercerebralis and pars lateralis were examined in the blow fly Protophormia terraenovae. FMRFamide, of which immunoreactivity was observed in the pars latelaris and the corpus allatum, showed week inhibitory effects on juvenile hormone production by the corpus allatum. Ecdysteroid titers and yolk protein gene expression were low under diapause conditions compared with nondiapause conditions. Removal experiments suggest the pars intercerebralis is important to control yolk protein expression but not ecdysteroid titers under nondiapause conditions
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[Journal Article] Mass spectrometic analysis of peptides in brain neurosecretory cells and neurohemal organs in the adult blow fly, Protophormia terraenovae.2010
Author(s)
Inosaki, A., Yasuda, A., Shinada, T., Ohfune, Y., Numata, H., Shiga S.
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Journal Title
Comparative Biochemistry and Physiology-Part A : Molecular & Integrative Physiology 155
Pages: 190-199
Peer Reviewed
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