Affiliation: | Institute of Genetic Ecology, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan,;Tohoku National Industrial Research Institute, 4-2-1, Nigatake, Sendai 983-8551, Japan and;Research Institute for Bioresources, Okayama University, 2-20-1 Chuo, Kurashiki 710-0046, Japan |