1. Graduate
School for Life and Environmental Sciences, Kyoto Prefectural University, 1-5 Shimogamo Hangi-cho, Sakyo-ku, Kyoto 606-8522, Japan
2. Faculty
of Advanced Life Science, Frontier Research Center for Post-Genome
Science and Technology, Hokkaido University, Kita 21 Nishi 11, Sapporo 001-0021, Japan