○Takahide Seki¹, Miynari Kazuhiro², Shiraishi Asuka², Tsuda Sachiko², Ansai Satoshi^1,3, Takeuchi Hideaki ¹ (1. Grad Sch Life Sci., Tohoku University, Miyagi, Japan, 2. Grad Sch Sci. Eng., Saitama University, Saitama, Japan, 3. Grad Sch Agric., Kyoto University, Kyoto, Japan)