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      Characteristics of Sulfide Removal by Hydrogenovibrio thermophilus Strain TT in Mariculture System

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          Abstract

          To biologically inhibit the production of highly toxic sulfide in the aquaculture area, one bacterium, designated as Hydrogenovibrio thermophilus strain TT, was isolated from sediment in Jiaozhou Bay, China. The strain was found to be microaerobic mixtrophic, employing both carbon dioxide and organic carbons, e.g. citrate, lactate, glucose, and peptone as carbon sources. When it oxidized the sulfide and thiosulfate, oxygen was the optimal electron acceptor, followed by nitrite and nitrate, which benefited to removal of sulfide under low-oxygen mariculture environment. In addition, the strain TT exhibited remarkable tolerance of sulfide and thiosulfate in seawater, and it was able to oxidize 18.52 mmol L −1 S 2− in 12 h or 45 mmol L −1 S 2O 3 2− in 24 h at initial pH 7.0–9.0, 30–40°C. Therefore, this strain showed a quite promising application for biological remediation of sulfide-contaminated mariculture system.

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          Author and article information

          Journal
          JOUC
          Journal of Ocean University of China
          Science Press and Springer (China )
          1672-5182
          24 August 2019
          01 October 2019
          : 18
          : 5
          : 1185-1192
          Affiliations
          1Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering (MEGE), College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
          2Key Laboratory of Marine Environment and Ecology (Ocean University of China), Ministry of Education, Qingdao 266100, China
          Author notes
          *Corresponding author: ZHAO Yangguo
          Article
          s11802-019-3809-6
          10.1007/s11802-019-3809-6
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2019.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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          Self URI (journal-page): https://www.springer.com/journal/11802

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