(Table S9) Isotopic composition of IODP Hole 301-U1301B, supplement to: Lever, Mark A; Rouxel, Olivier J; Alt, Jeffrey C; Shimizu, Nobumichi; Ono, Shuhei; Coggon, Rosalind M; Shanks, Wayne C; Lapham, Laura; Elvert, Marcus; Prieto-Mollar, Xavier; Hinrichs, Kai-Uwe; Inagaki, Fumio; Teske, Andreas P (2013): Evidence for Microbial Carbon and Sulfur Cycling in Deeply Buried Ridge Flank Basalt. Science, 339(6125), 1305-1308

Mark A Lever, Olivier J Rouxel, Jeffrey C Alt, Nobumichi Shimizu, Shuhei Ono, Rosalind M Coggon, Wayne C Shanks, Laura Lapham, Marcus Elvert, Xavier Prieto-Mollar, Kai-Uwe Hinrichs, Fumio Inagaki & Andreas P Teske
Sediment-covered basalt on the flanks of mid-ocean ridges constitutes most of Earth's oceanic crust, but the composition and metabolic function of its microbial ecosystem are largely unknown. By drilling into 3.5-million-year-old subseafloor basalt, we demonstrated the presence of methane- and sulfur-cycling microbes on the eastern flank of the Juan de Fuca Ridge. Depth horizons with functional genes indicative of methane-cycling and sulfate-reducing microorganisms are enriched in solid-phase sulfur and total organic carbon, host d13C- and...
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