Dimethyl sulfoxide-respiring bacteria in Suribati Ike, a hypersaline lake, in Antarctica and the marine environment
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概要
- 論文の詳細を見る
Dimethyl sulfoxide (DMSO) occurs worldwide, especially in marine environments as well as in lakes and rainwater. DMSO respiration by bacteria is assumed to play an important role in the sulfur cycle in Antarctica and on earth. We first studied whether DMSO-respiring bacteria existed in Antarctica. Eight strains were isolated that grew by DMSO respiration under anaerobic conditions from water of the halocline in a meromictic lake, Suribati Ike, near Syowa Station in Antarctica. All of them were related to known species belonging to the genus Marinobacter based on 16S rRNA gene sequences. Using a clone library analysis of 16S rRNA gene sequences, 38 of total 48 clones from water of the halocline were identified as Marinobacter. Studies on the various anaerobic respiration capabilities by bacteria in the halocline water found only DMSO respiration. Studies on bacteria with anaerobic respiration abilities in seawater from the Pacific Ocean and Seto Inland Sea, showed that either DMSO-respiring or nitrate-respiring bacteria were present and that all of isolates capable of DMSO respiration were closely related to Vibrio species.
- 国立極地研究所の論文
著者
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Imura Satoshi
National Institute of Polar Research
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Imura Satoshi
Dep. Of Polar Sci. The Graduate Univ. For Advanced Studies National Inst. Of Polar Res. Kaga 1-chome
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Imura Satoshi
National Institute Of Polar Research 10-3 Midoricho Tachikawa Tokyo 190-8518 Japan
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Ban Syuhei
The University of Shiga Prefecture, 2500 Hassaka-cho, Hikone, Shiga 522-8533, Japan
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Matsuzaki Masahiro
Hiroshima University, 1-3-1 Kagamiyama, Higashi-hiroshima, Hiroshima 739-8526, Japan
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Matsuzaki Masahiro
Hiroshima University 1-3-1 Kagamiyama Higashi-hiroshima Hiroshima 739-8526 Japan
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Matsuzaki Masahiro
Graduate School Of Science Hiroshima University
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Ban Syuhei
Faculty Of Fisheries Science Hokkaido University
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Ban Syuhei
Univ. Shiga Prefecture Shiga Jpn
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Ban Syuhei
Faculty Of Fisheries Hokkaido University
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Kubota Keiko
Graduate School of Science, Hiroshima University
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Satoh Toshio
Graduate School of Science, Hiroshima University
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Kunugi Masayuki
National Institute for Environmental Studies
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Kubota Keiko
Graduate School Of Science Hiroshima University
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Imura Satoshi
National Inst. Polar Res. Tokyo Jpn
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Imura Satoshi
National Inst. Polar Res. Tokyo
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Satoh Toshio
Graduate School Of Science Hiroshima University
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KUBOTA Keiko
Graduate School of Agricultural and Life Sciences, The University of Tokyo
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