1. Biological Material Division, Shikoku National Industrial Research Institute (SNIRI), 2217-14 Hayashi-cho, Takamatsu, Kagawa 761-0395, Japan, and Project Center for CO2 Fixation and Utilization, Research Institute of Innovative Technology for the Earth (RITE), Toyokaiji Bldg. #7, 8F, 2-8-11 Nishishinbashi, Minato-ku, Tokyo 105, Japan