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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
2015
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| Subjects: | |
| Online Access: | https://doi.org/10.1594/PANGAEA.845984 |
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| _version_ | 1867167672807981056 |
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| author | 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 |
| author_facet | 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 |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | 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 <10 to ~10**4 cells cm**-3. Peak concentrations occurred in lignite layers, where communities differed markedly from shallower subseafloor communities and instead resembled organotrophic communities in forest soils. This suggests that terrigenous sediments retain indigenous community members tens of millions of years after burial in the seabed. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_845984 |
| institution | PANGAEA |
| language | en |
| publishDate | 2015 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | IODP Expedition 337, Shimokita Deep Coalbed Biosphere 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 Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP 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 <10 to ~10**4 cells cm**-3. Peak concentrations occurred in lignite layers, where communities differed markedly from shallower subseafloor communities and instead resembled organotrophic communities in forest soils. This suggests that terrigenous sediments retain indigenous community members tens of millions of years after burial in the seabed. |
| title | IODP Expedition 337, Shimokita Deep Coalbed Biosphere |
| topic | Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP |
| url | https://doi.org/10.1594/PANGAEA.845984 |