| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Whereas many studies have been carried out how parasitoid wasps suppress the immune reactions of their hosts, there are few studies on parasitoid flies that have the different origin but evolved as the same parasitoid as the wasps. In this study, we observed changes around the fly larvae within the host and host blood cells. Although the fly larvae penetrated into the host, the cellular immune reaction by the host blood cell did not occur. The fly larvae were surrounded by a unique structure named the barrier structure that contained not only host hemocytes but also fat body: hemocytes assembled around the maggots first, and then the fat body cells covered the hemocyte layer. Thereafter, the fly larvae used the structure to protect themselves from the host immune reactions such as melanization.
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