{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360004235448874240.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1111/1462-2920.12153"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2F1462-2920.12153"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/1462-2920.12153"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full-xml/10.1111/1462-2920.12153"}},{"identifier":{"@type":"URI","@value":"https://sfamjournals.onlinelibrary.wiley.com/doi/pdf/10.1111/1462-2920.12153"}},{"identifier":{"@type":"PMID","@value":"23731283"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"An improved cell separation technique for marine subsurface sediments: applications for high‐throughput analysis using flow cytometry and cell sorting"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Summary</jats:title>\n                  <jats:p>\n                    Development of an improved technique for separating microbial cells from marine sediments and standardization of a high‐throughput and discriminative cell enumeration method were conducted. We separated microbial cells from various types of marine sediment and then recovered the cells using multilayer density gradients of sodium polytungstate and/or\n                    <jats:styled-content style=\"fixed-case\">N</jats:styled-content>\n                    ycodenz, resulting in a notably higher percent recovery of cells than previous methods. The efficiency of cell extraction generally depends on the sediment depth; using the new technique we developed, more than 80% of the total cells were recovered from shallow sediment samples (down to 100 meters in depth), whereas ∼ 50% of cells were recovered from deep samples (100–365 m in depth). The separated cells could be rapidly enumerated using flow cytometry (\n                    <jats:styled-content style=\"fixed-case\">FCM</jats:styled-content>\n                    ). The data were in good agreement with those obtained from manual microscopic direct counts over the range 10\n                    <jats:sup>4</jats:sup>\n                    –10\n                    <jats:sup>8</jats:sup>\n                     cells cm\n                    <jats:sup>−3</jats:sup>\n                    . We also demonstrated that sedimentary microbial cells can be efficiently collected using a cell sorter. The combined use of our new cell separation and\n                    <jats:styled-content style=\"fixed-case\">FCM</jats:styled-content>\n                    /cell sorting techniques facilitates high‐throughput and precise enumeration of microbial cells in sediments and is amenable to various types of single‐cell analyses, thereby enhancing our understanding of microbial life in the largely uncharacterized deep subseafloor biosphere.\n                  </jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420845751160754048","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"30421845"},{"@type":"NRID","@value":"1000030421845"},{"@type":"ORCID","@value":"0000-0001-8928-4254"},{"@type":"NRID","@value":"9000406304990"},{"@type":"NRID","@value":"9000004525510"},{"@type":"NRID","@value":"9000406181246"},{"@type":"NRID","@value":"9000257917649"},{"@type":"NRID","@value":"9000238225725"},{"@type":"NRID","@value":"9000396128130"},{"@type":"NRID","@value":"9000018250822"},{"@type":"NRID","@value":"9000380967210"},{"@type":"NRID","@value":"9000396127997"},{"@type":"NRID","@value":"9000241805466"},{"@type":"NRID","@value":"9000409479971"},{"@type":"NRID","@value":"9000310318719"},{"@type":"NRID","@value":"9000404003857"},{"@type":"NRID","@value":"9000310315790"},{"@type":"NRID","@value":"9000413779489"},{"@type":"NRID","@value":"9000413469174"},{"@type":"NRID","@value":"9000333920193"},{"@type":"NRID","@value":"9000412525359"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/yukimorono"}],"foaf:name":[{"@value":"Yuki Morono"}],"jpcoar:affiliationName":[{"@value":"Geomicrobiology Group Kochi Institute for Core Sample Research Japan Agency for Marine‐Earth Science and Technology (JAMSTEC)  Monobe B200 Nankoku Kochi 783‐8502 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004235448874113","@type":"Researcher","foaf:name":[{"@value":"Takeshi Terada"}],"jpcoar:affiliationName":[{"@value":"Marine Works Japan Ltd  Oppamahigashi 3‐54‐1 Yokosuka 237‐0063 Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004235448874112","@type":"Researcher","foaf:name":[{"@value":"Jens Kallmeyer"}],"jpcoar:affiliationName":[{"@value":"Deutsches GeoForschungsZentrum GFZ  Section 4.5 Geomicrobiology Telegrafenberg 14473 Potsdam Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004235448874240","@type":"Researcher","foaf:name":[{"@value":"Fumio Inagaki"}],"jpcoar:affiliationName":[{"@value":"Geomicrobiology Group Kochi Institute for Core Sample Research Japan Agency for Marine‐Earth Science and Technology (JAMSTEC)  Monobe B200 Nankoku Kochi 783‐8502 Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"14622912"},{"@type":"EISSN","@value":"14622920"}],"prism:publicationName":[{"@value":"Environmental Microbiology"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2013-06-03","prism:volume":"15","prism:number":"10","prism:startingPage":"2841","prism:endingPage":"2849"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["http://creativecommons.org/licenses/by-nc-nd/3.0/"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2F1462-2920.12153"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/1462-2920.12153"},{"@id":"https://onlinelibrary.wiley.com/doi/full-xml/10.1111/1462-2920.12153"},{"@id":"https://sfamjournals.onlinelibrary.wiley.com/doi/pdf/10.1111/1462-2920.12153"}],"createdAt":"2013-05-13","modifiedAt":"2025-10-30","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Geologic%20Sediments","dc:title":"Geologic Sediments"},{"@id":"https://cir.nii.ac.jp/all?q=Bacteria","dc:title":"Bacteria"},{"@id":"https://cir.nii.ac.jp/all?q=Reproducibility%20of%20Results","dc:title":"Reproducibility of Results"},{"@id":"https://cir.nii.ac.jp/all?q=550%20-%20Earth%20sciences","dc:title":"550 - Earth sciences"},{"@id":"https://cir.nii.ac.jp/all?q=Cell%20Separation","dc:title":"Cell Separation"},{"@id":"https://cir.nii.ac.jp/all?q=Flow%20Cytometry","dc:title":"Flow Cytometry"},{"@id":"https://cir.nii.ac.jp/all?q=Bacterial%20Load","dc:title":"Bacterial Load"},{"@id":"https://cir.nii.ac.jp/all?q=Research%20Articles","dc:title":"Research Articles"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040000782219176832","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24651018"},{"@type":"JGN","@value":"JP24651018"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24651018/"}],"notation":[{"@language":"ja","@value":"環境が選んだ海底下未知微生物の機能を環境条件を用いた発現を鍵として読み解く"},{"@language":"en","@value":"Exploration of unknown microbial function through gene expression"}]},{"@id":"https://cir.nii.ac.jp/crid/1040282257201213952","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"24687004"},{"@type":"JGN","@value":"JP24687004"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24687004/"}],"notation":[{"@language":"ja","@value":"海底下未知微生物は１億年生きるのか？ＮａｎｏＳＩＭＳで探る海底下の生存戦略"},{"@language":"en","@value":"Ecophysiological analysis on subseafloor microorganisms by using NanoSIMS"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050022089736286208","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Significant contribution of subseafloor microparticles to the global manganese budget"}]},{"@id":"https://cir.nii.ac.jp/crid/1050292726794358784","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Atribacteria from the Subseafloor 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