Nucleopolyhedrovirus enhancement by a fluorescent brightener in Mythimna separata (Lepidoptera : Noctuidae)
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概要
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The fouorescent brightener Tinopal UNPA-GX enhanced the infectivity of a Mythimna separata nucleopolyhedrovirus(MyseNPV) in Mythimna separata (Walker) (Lepidoptera : Noctuidae) when larvae were pcrorally inoculated with a mixture of 1% of this brightener and occlusion bodies of MyseNPV. However, the infectivity was not enhanced when M. separata larvae were injected with a mixture of 1% Tinopal UNPA-GX and budded viruses of MyseNPV, suggesting that Tinopal UNPA-GX acts in the gut, not in the hemocoel. Peroral ingestion of Tinopal UNPA-GX resulted in a quick degradation of the midgut peritrophic membrane (PM) in M. separata larvae. Twenty-four hours after ingesting Tinopal UNPA-GX, the PM was fully regenerated. In addition, larval susceptibility to MyseNPV one day after ingesting the brightener did not differ significantly from that of larvae inoculated with the virus alone. These results suggest that Tinopal UNPA-GX facilitates the infectivity of MyseNPV by altering the structural integrity of the PM.
- 日本応用動物昆虫学会の論文
- 2003-02-25
著者
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Kunimi Yasuhisa
Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture an
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Kunimi Yasuhisa
Dep. Of Bioregulation And Biointeraction Graduate School Of Agriculture Tokyo Univ. Of Agriculture A
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Mukawa Shigeyuki
Department Of Aoolied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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NAKAI Madoka
Department of Bioregulation and Biointeraction, Graduate School of Agriculture, Tokyo University of
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OKUNO Shohei
Department of Aoolied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture an
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TAKATSUKA Jun
Department of Aoolied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture an
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Okuno Shohei
Arysta Lifescience Corporation
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Nakai Madoka
Department Of Bioregulation And Biointeraction Graduate School Of Agriculture Tokyo University Of Ag
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Nakai Madoka
Department Of Applied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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Takatsuka Jun
Forestry And Forest Products Res. Inst.
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Kunimi Yasuhisa
Department Of App Lied Biological Science Faculty Of Agriculture Tokyo University Of Agriculture And
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