{"refrec":{"BRefID":299110,"RR":"<b>Bernhard, J.M.; Panieri, G.</b> (2018). Keystone Arctic paleoceanographic proxy association with putative methanotrophic bacteria. <i>NPG Scientific Reports 8(1)</i>: 10 pp. <a href=\"https://dx.doi.org/10.1038/s41598-018-28871-3\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-018-28871-3</a>","BEntID":291314,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 8(1)</i>: 10 pp. <a href=\"https://dx.doi.org/10.1038/s41598-018-28871-3\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-018-28871-3</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Bernhard, J.M.; Panieri, G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Bernhard, J.M.; Panieri, G.","Englishabstract":"Foraminifera in sediments exposed to gas-hydrate dissociation are not expected to have cellular adaptations that facilitate inhabitation of chemosynthesis-based ecosystems because, to date, there are no known endemic seep foraminifera. To establish if foraminifera inhabit sediments impacted by gas-hydrate dissociation, we examined the cellular ultrastructure of <i>Melonis barleeanus</i> (Williamson, 1858) from the Vestnesa gas hydrate province (Arctic Ocean, west of Svalbard at ~79 °N; ~1200-m depth; n = 4). From sediments with gas hydrate indicators, living <i>M</i>. <i>barleeanus</i> had unusual pore plugs composed of a thick, fibrous meshwork; mitochondria were concentrated at the cell periphery, under pore plugs. While there was no evidence of endosymbioses with prokaryotes, most <i>M</i>. <i>barleeanus</i> specimens were associated with what appear to be Type I methanotrophic bacteria. One foraminifer had a particularly large bolus of these microbes concentrated near its aperture. This is the first documented instance of bona fide living <i>M</i>. <i>barleeanus</i> in gas-hydrate sediments and first documentation of a foraminifer living in close association with putative methanotrophs. Our observations have implications to paleoclimate records utilizing this foundational foraminiferal species.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Keystone Arctic paleoceanographic proxy association with putative methanotrophic bacteria","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-01 01:31:53.127784","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2018-07-23","DateCreate":"2018-07-23","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000438488500017","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-018-28871-3"},"refs":null,"anarec":{"AnaID":299110,"PubliDate":2018,"Pagination":"10 pp","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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