| Budget Amount *help |
¥21,320,000 (Direct Cost: ¥16,400,000、Indirect Cost: ¥4,920,000)
Fiscal Year 2012: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2011: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2010: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
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| Research Abstract |
The purpose of this study is to understand molecular mechanisms underlying highly specific gene expression of sex pheromone receptor genes in the silkmoth Bombyx mori. in vivo promoter assay of BmOR1 gene that encodes the sex pheromone receptor for the main pheromone component of the silkmoth, bombykol, indicated that 0.3 kb upstream regulatory sequences of BmOR1 can appropriately induce reporter gene expression in bombykol sensitive olfactory receptor neurons in the male antennae. Analysis of this upstream region revealed the presence of a potential binding site of doublesex protein that is a transcription factor involved in sex determination in the silkmoth. These results provide important information to unrabel the mechanism of sex pheromone receptor gene regulation in the silkmoth.
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