2013 Fiscal Year Final Research Report
Regulational mechanism to host physiological condition by symbiotic virus and teratocytes of parasitoids
| Project/Area Number |
24658050
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Applied entomology
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| Research Institution | Nagoya University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
NAKAMATSU Yutaka 皇學館大学, 教育学部, 准教授 (00456617)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | 内部寄生蜂 / 寄主制御 |
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| Research Abstract |
In nature, inter- and intraspecific competitive interactions can occur between two or more female parasitoids foraging for hosts (=extrinsic competition) and multiple larvae competing for the host resources within the same individual host (=intrinsic competition). Knowledge and understanding of these interactions are important in biological control programs for selection of effective bio-control agents and management strategy to avoid conflict amongst exotic and native natural enemies.
We evaluated the foraging strategies and intrinsic competitive interactions amongst three endoparasitoids, the solitary Meteorus pulchricornis (Wesmael), and the two gregarious Cotesia kariyai (Watanabe) and Cotesia ruficrus (Haliday) in their common host, Mythimna separata (Lepidoptera: Noctuidae). Furthermore, defense mechanisms employed by competing parasitoids to eliminate their competitors were also investigated during multi parasitism in focusing physiological stress of PDV or VLP and teratocytes.
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Research Products
(12 results)
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[Journal Article] Involvement of NF-κB transcription factors in antimicrobial peptide gene induction in the red flour beetle, Tribolium castaneum2012
Author(s)
Yokoi, K., Koyama, H., Ito, W., Minakuchi, C., Tanaka, T. and Miura, K.
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Journal Title
Dev. Comp. Immunol
Volume: 38
Pages: 342-351
Peer Reviewed
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[Journal Article] Antimicrobial peptide gene induction, involvement of Toll and IMD pathways and defense against bacteria in the red flour beetle, Tribolium castaneum2012
Author(s)
Yokoi, K., Koyama, H., Minakuchi, C., Tanaka, T. and Miura, K
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Journal Title
Results in Immunology
Volume: 2
Pages: 72-82
Peer Reviewed
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