1. Department of Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
2. Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
3. Institute of Quantum Beam Science, Graduate School of Science and Engineering, Ibaraki University, Hitachi, Ibaraki, Japan
4. Department of Picobiology, Graduate School of Life Science, University of Hyogo, Ako-gun, Hyogo, Japan
5. Core Research for Evolutional Science and Technology (CREST), Japan and Science Technology Agency, Kawaguchi, Saitama, Japan
6. SPring-8 Center, RIKEN, Sayo-gun, Hyogo, Japan