Hadal biosphere: Insight into the microbial ecosystem in the deepest ocean on Earth
Takuro Nunoura, Yoshihiro Takaki, Miho Hirai, Shigeru Shimamura, Akiko Makabe, Osamu Koide, Tohru Kikuchi, Junichi Miyazaki, Keisuke Koba, Naohiro Yoshida, Michinari Sunamura, and Ken Takai
PNAS
http://www.pnas.org/content/early/2015/02/19/1421816112.abstract