1. 1Biotechnology Research Center and Department of Biotechnology, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
2. 2Radiation Microbiology Laboratory, Department of Life Sciences, Faculty of Life Sciences, Toyo University, 1-1-1 Izumino, Gunma 374-0193, Japan
3. 3Pharmaceuticals and Life Sciences Division, Shimadzu Techno-Research, Inc., 1 Nishinokyoushimoaicho, Nakagyouku, Kyoto 604-8436, Japan