Analysis in the course of polydnavirus replication in ovarian calyx cells of the parasitoid wasp, Cotesia kariyai (Hymenoptera: Braconidae)
スポンサーリンク
概要
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The parasitoid wasp Cotesia kariyai oviposits into larvae of the armyworm Mythimna (Pseuda/etia) separata. At this time, the coinjection of a polydnavirus and venom is prerequisite for successful parasitoid development. Polydnaviruses are responsible for developmental arrest and interference with the host's immune system; thereby they are called symbiont viruses of the parasitoid wasps. In this study, we demonstrated that C. kariyai polydnaviruses (CkPDVs) replicate in ovarian calyx cells of the host female wasps after pupation. In the course of the replication, DNA synthesis commences by one day after pupation, being followed by capsid protein synthesis. Almost one day after the initiation of the capsid protein synthesis, envelope proteins become visible in the lateral oviducts. Therefore, it is reasonable to assume that the complete virion of CkPDV is not composed simultaneously but requires gradual steps.
- 2002-05-25
著者
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HAYAKAWA YOICHI
Institute of Molecular and Cellular Biosciences, The University of Tokyo
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Tanaka K
Hokkaido Univ. Sapporo Jpn
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Tanaka Kohjiro
Institute of Low Temperature Science, Hokkaido University
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Matsumoto Hitoshi
Institute of Low Temperature Science, Hokkaido University
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Tanaka Kohjiro
Institute For Biological Resources And Functions National Institute Of Advanced Industrial Science A
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Tanaka Kohjiro
Institute Of Low Temperature Science Hokkaido University
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Hayakawa Yoichi
Institute Of Applied Microbiology The University Of Tokyo
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Matsumoto Hitoshi
Institute Of Low Temperature Science Hokkaido University
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