1. Agricultural Science; Graduate School of Integrated Arts and Sciences; Kochi University; Nankoku Japan
2. Department of Biochemistry; Osaka Medical College; Takatsuki Japan
3. Geomicrobiology Group; Kochi Institute for Core Sample Research; Japan Agency for Marine-Earth Science and Technology (JAMSTEC); Nankoku Japan
4. Geobio-Engineering and Technology Group; Submarine Resources Research Project; JAMSTEC; Nankoku Japan
5. Research and Development Center for Ocean Drilling Science; Yokohama Japan