Abstract
1 Division of Applied Biological Sciences, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda-4, Kofu 400-8511, Japan
2 NITE Biological Resource Center, Department of Biotechnology, National Institute of Technology and Evaluation, Kazusakamatari 2-5-8, Kisarazu 292-0818, Japan
3 Department of Civil and Environmental Engineering, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, Takeda-4, Kofu 400-8511, Japan
4 Water Quality Control Laboratory, Nihon Hels Industry Corporation, Higashigoken-cho 3-25, Shinjuku-ku, Tokyo 162-0813, Japan