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  1. 学術雑誌論文
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  2. 理学部

Atribacteria from the Subseafloor Sedimentary Biosphere Disperse to the Hydrosphere through Submarine Mud Volcanoes

http://hdl.handle.net/20.500.12000/37630
http://hdl.handle.net/20.500.12000/37630
36e76686-22e2-4d7f-a9af-b8209d071337
名前 / ファイル ライセンス アクション
fmicb-08-01135.pdf fmicb-08-01135.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2018-01-30
タイトル
タイトル Atribacteria from the Subseafloor Sedimentary Biosphere Disperse to the Hydrosphere through Submarine Mud Volcanoes
言語 en
作成者 Hoshino, Tatsuhiko

× Hoshino, Tatsuhiko

en Hoshino, Tatsuhiko

Toki, Tomohiro

× Toki, Tomohiro

en Toki, Tomohiro

Ijiri, Akira

× Ijiri, Akira

en Ijiri, Akira

Morono, Yuki

× Morono, Yuki

en Morono, Yuki

Machiyama, Hideaki

× Machiyama, Hideaki

en Machiyama, Hideaki

Ashi, Juichiro

× Ashi, Juichiro

en Ashi, Juichiro

Okamura, Kei

× Okamura, Kei

en Okamura, Kei

Inagaki, Fumio

× Inagaki, Fumio

en Inagaki, Fumio

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
言語 en
権利情報 This Document is Protected by copyright and was first published by Frontiers. All rights reserved. it is reproduced with permission.
主題
言語 en
主題Scheme Other
主題 submarine mud volcano, deep subseafloor biosphere
言語 en
主題Scheme Other
主題 methane
言語 en
主題Scheme Other
主題 Atribacteria
言語 en
主題Scheme Other
主題 digital PCR
言語 en
主題Scheme Other
主題 CARD-FISH
内容記述
内容記述タイプ Other
内容記述 Submarine mud volcanoes (SMVs) are formed by muddy sediments and breccias extruded to the seafloor from a source in the deep subseafloor and are characterized by the discharge of methane and other hydrocarbon gasses and deep-sourced fluids into the overlying seawater. Although SMVs act as a natural pipeline connecting the Earth’s surface and subsurface biospheres, the dispersal of deep-biosphere microorganisms and their ecological roles remain largely unknown. In this study, we investigated the microbial communities in sediment and overlying seawater at two SMVs located on the Ryukyu Trench off Tanegashima Island, southern Japan. The microbial communities in mud volcano sediments were generally distinct from those in the overlying seawaters and in the well-stratified Pacific margin sediments collected at the Peru Margin, the Juan de Fuca Ridge flank off Oregon, and offshore of Shimokita Peninsula, northeastern Japan. Nevertheless, in-depth analysis of different taxonomic groups at the sub-species level revealed that the taxon affiliated with Atribacteria, heterotrophic anaerobic bacteria that typically occur in organic-rich anoxic subseafloor sediments, were commonly found not only in SMV sediments but also in the overlying seawater. We designed a new oligonucleotide probe for detecting Atribacteria using the catalyzed reporter deposition-fluorescence in situ hybridization (CARD-FISH). CARD-FISH, digital PCR and sequencing analysis of 16S rRNA genes consistently showed that Atribacteria are abundant in the methane plumes of the two SMVs (0.58 and 1.5 × 104 cells/mL, respectively) but not in surrounding waters, suggesting that microbial cells in subseafloor sediments are dispersed as “deep-biosphere seeds” into the ocean. These findings may have important implications for the microbial transmigration between the deep subseafloor biosphere and the hydrosphere.
内容記述タイプ Other
内容記述 論文
出版者
言語 en
出版者 Frontiers Media
言語
言語 eng
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/37630
識別子タイプ HDL
関連情報
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.3389/fmicb.2017.01135
関連識別子
識別子タイプ DOI
関連識別子 info:doi/10.3389/fmicb.2017.01135
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 1664-302X
収録物名
言語 en
収録物名 Frontiers in Microbiology
書誌情報
巻 8, p. 1135
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