In publishing the research results obtained by use of the BIOLOGICAL RESOURCE, citation of the following literature designated by the DEPOSITOR is requested:

Hiroyuki Imachi, Ken Aoi, Eiji Tasumi, Yumi Saito, Yuko Yamanaka, Yayoi Saito, Takashi Yamaguchi, Hitoshi Tomaru, Rika Takeuchi, Yuki Morono, umio Inagaki, Ken Takai
Cultivation of methanogenic community from subseafloor sediments using a continuous-flow bioreactor
The ISME Journal, Volume 5, Issue 12, December 2011, Pages 1913–1925
https://doi.org/10.1038/ismej.2011.64