IODP Expedition 337, Shimokita Deep Coalbed Biosphere

IODP Expedition 337, Shimokita Deep Coalbed Biosphere

Microbial life inhabits deeply buried marine sediments, but the extent of this vast ecosystem remains poorly constrained. Here we provide evidence for the existence of microbial communities in ~40° to 60°C sediment associated with lignite coal beds at ~1.5 to 2.5 km below the seafloor in the Pacific...

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Hauptverfasser: Inagaki, F, Hinrichs, Kai-Uwe, Kubo, Y, Bowles, Marshall W, Heuer, Verena B, Hong, W-L, Hoshino, Tatsuhiko, Ijiri, Akira, Imachi, H, Ito, M, Kaneko, Masanori, Lever, Mark A, Lin, Yu-Shih, Methe, B A, Morita, S, Morono, Yuki, Tanikawa, Wataru, Bihan, M, Bowden, Stephen A, Elvert, Marcus, Glombitza, Clemens, Gross, D, Harrington, G J, Hori, T, Li, K, Limmer, D, Liu, Chiung-Hui, Murayama, M, Ohkouchi, Naohiko, Ono, Shuhei, Park, Young-Soo, Phillips, S C, Prieto-Mollar, Xavier, Purkey, M, Riedinger, Natascha, Sanada, Yoshinori, Sauvage, J, Snyder, Glen T, Susilawati, R, Takano, Yoshinori, Tasumi, E, Terada, Takeshi, Tomaru, Hitoshi, Trembath-Reichert, E, Wang, D T, Yamada, Y
Format: Dataset
Sprache:eng
Schlagworte:
Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)
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Zusammenfassung:Microbial life inhabits deeply buried marine sediments, but the extent of this vast ecosystem remains poorly constrained. Here we provide evidence for the existence of microbial communities in ~40° to 60°C sediment associated with lignite coal beds at ~1.5 to 2.5 km below the seafloor in the Pacific Ocean off Japan. Microbial methanogenesis was indicated by the isotopic compositions of methane and carbon dioxide, biomarkers, cultivation data, and gas compositions. Concentrations of indigenous microbial cells below 1.5 km ranged from
DOI:10.1594/pangaea.845984