1. Department of Picobiology, Graduate School of Life Science University of Hyogo Hyogo, 678‐1297 Japan
2. Core Research for Evolutional Science and Technology (CREST) Japan Science and Technology Agency (JST), Kawaguchi Center Building Saitama, 332‐0012 Japan
3. Division for Research Strategy, Institute for Research Initiatives Nara Institute of Science and Technology Nara, 630‐0192 Japan
4. Department of Applied Chemistry, Faculty of Engineering Sanyo‐Onoda City University Yamaguchi, 756‐0884 Japan
5. Division of Life Science, Center for Computational Science University of Tsukuba Ibaraki, 305‐8571 Japan
6. Department of Fundamental Engineering Institute of Industrial Science, The University of Tokyo Tokyo, 153‐8505 Japan
7. Shizuoka University Shizuoka, 422‐8529 Japan