Phylogenetic Diversity of aprA Genes in Subseafloor Sediments on the Northwestern Pacific Margin off Japan

DOI Web Site Web Site PubMed 被引用文献2件 参考文献23件 オープンアクセス
  • Aoki Masataka
    Department of Subsurface Geobiological Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science and Technology (JAMSTEC) Department of Environmental Systems Engineering, Nagaoka University of Technology
  • Kakiuchi Ryota
    Department of Environmental Systems Engineering, Nagaoka University of Technology Department of Construction Systems Engineering, Anan National College of Technology
  • Yamaguchi Takashi
    Department of Environmental Systems Engineering, Nagaoka University of Technology
  • Takai Ken
    Department of Subsurface Geobiological Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
  • Inagaki Fumio
    Geomicrobiology Group, Kochi Institute for Core Sample Research, JAMSTEC
  • Imachi Hiroyuki
    Department of Subsurface Geobiological Analysis and Research (D-SUGAR), Japan Agency for Marine-Earth Science and Technology (JAMSTEC)

書誌事項

タイトル別名
  • Phylogenetic Diversity of <i>aprA</i> Genes in Subseafloor Sediments on the Northwestern Pacific Margin off Japan
公開日
2015
資源種別
journal article
DOI
  • 10.1264/jsme2.me15023
公開者
日本微生物生態学会 / 日本土壌微生物学会 / Taiwan Society of Microbial Ecology / 植物微生物研究会 / 極限環境生物学会

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説明

Markedly diverse sequences of the adenosine-5′-phosphosulfate reductase alpha subunit gene (aprA), which encodes a key enzyme in microbial sulfate reduction and sulfur oxidation, were detected in subseafloor sediments on the northwestern Pacific off Japan. The aprA gene sequences were grouped into 135 operational taxonomic units (90% sequence identity), including genes related to putative sulfur-oxidizing bacteria predominantly detected in sulfate-depleted deep sediments. Our results suggest that microbial ecosystems in the subseafloor biosphere have phylogenetically diverse genetic potentials to mediate cryptic sulfur cycles in sediments, even where sulfate is rarely present.

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