Existence and the roles of subsurface biofilms­­­ in the deep sedimentary rock environment of the Horonobe area, Hokkaido, Japan

Yuki Amano1, Hikari Beppu1, Takashi Endo1, Kazuaki Nemoto1, Tomofumi Sato1, Brian C Thomas2 and Jillian F Banfield2, (1)Japan Atomic Energy Agency, Tokai-mura, Japan, (2)University of California, Berkeley, Berkeley, CA, United States