1. Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
2. Research Institute for Creating the Future, Fuji Oil Holdings Inc., 4-3 Kinunodai, Tsukubamirai-shi, Ibaraki 300-2497, Japan