Distribution of sulfate-reducing bacteria in fish farm sediments on the coast of southern Fukui Prefecture, Japan

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The distribution of sulfate-reducing bacteria (SRB) was investigated in the sediments below fish cages used for torafugu (Takifugu rubripes) aquaculture along the coast of southern Fukui Prefecture, Japan. A quantitative competitive PCR targeting the gene coding for a portion of the α-subunit of the dissimilatory (bi)sulfite reductase (dsrA) gene was used to determine the distribution of SRB in the sediments. In unpolluted fish farm sediments, SRB were detected at levels of 0.5–8.4×108 cells g−1 dry sediment; whereas higher densities of SRB were found in sediments rich in organic matter and sulfide at levels of 0.8–4.4×109 cells g−1 dry sediment as determined by competitive PCR. We detected differences in SRB densities in fish farm sediments with different pollution levels, or organic contamination and sulfide content, suggesting SRB cell density may be used as an indicator of pollution levels in fish farm sediments as an adjunct to chemical analyses such as measurements of chemical oxygen demand (COD) or chemically determined total sulfide (TS).

収録刊行物

  • Plankton & benthos research  

    Plankton & benthos research 3(1), 42-45, 2008-02-01 

    日本プランクトン学会、日本ベントス学会

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各種コード

  • NII論文ID(NAID)
    10021072579
  • NII書誌ID(NCID)
    AA12130745
  • 本文言語コード
    ENG
  • 資料種別
    NOT
  • ISSN
    18808247
  • NDL 記事登録ID
    9404469
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z54-J424
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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