1. Laboratory of Microbiology and Immunology, Faculty of Pharmacy, Chiba Institute of Science (CIS), Choshi 288-0025, Japan
2. Faculty of Basic Medicine, Moscow Lomonosov State University, Lomonosovsky Prospect 31, Korpus 5, 117192 Moscow, Russia
3. Laboratory of Environmental Microbiology, Institute for Environmental Sciences, University of Shizuoka and Global COE Program, Shizuoka 422-8526, Japan