1. Graduate School of Agricultural Science, Kobe University, Nada, Kobe 657-8501, Japan
2. Faculty of Science, Ibaraki University, Bunkyo, Mito 310-8512, Japan
3. Faculty of Life Sciences, Tokyo University of Agriculture, Setagaya, Tokyo 156-8502, Japan
4. Department of Chemistry, Kindai University, Higashi-Osaka, Osaka 577-8502, Japan
5. Department of Microbiology, Southern Illinois University, Carbondale, Illinois 62901, United States
6. Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, 38124 Braunschweig, Germany
7. Microbiology, Braunschweig University of Technology, 38106 Braunschweig, Germany