| Budget Amount *help |
¥29,120,000 (Direct Cost: ¥22,400,000、Indirect Cost: ¥6,720,000)
Fiscal Year 2010: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2009: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
Fiscal Year 2008: ¥10,530,000 (Direct Cost: ¥8,100,000、Indirect Cost: ¥2,430,000)
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| Research Abstract |
Morphological changes and gene expression patterns during the molts into presoldiers induced by the JH application to workers were performed to clarify the switching mechanisms of soldier differentiation in some termite species. Insulin-signaling gene expression patterns were different from two species, which had soldiers with the quite dissimilar defensive organs. Moreover, the RNAi technique could be applied in the higher termites for the first time. Knockdown of a regulatory patterning gene resulted in a reduction or complete loss of the soldier-specific organ formation.
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