{"refrec":{"BRefID":250831,"RR":"<b>Moore, E.K.; Villanueva, L.; Hopmans, E.C.; Rijpstra, W.I.C.; Mets, A.; Dedysh, S.N.; Sinninghe Damsté, J.S.</b> (2015). Abundant Trimethylornithine Lipids and Specific Gene Sequences Are Indicative of Planctomycete Importance at the Oxic/Anoxic Interface in <i>Sphagnum</i>-Dominated Northern Wetlands. <i>Appl. Environ. Microbiol. 81(18)</i>: 6333-6344. <a href=\"http://dx.doi.org/10.1128/AEM.00324-15\" target=\"_blank\">dx.doi.org/10.1128/AEM.00324-15</a>","BEntID":242526,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Appl. Environ. Microbiol. 81(18)</i>: 6333-6344. <a href=\"https://dx.doi.org/10.1128/AEM.00324-15\" target=\"_blank\">https://dx.doi.org/10.1128/AEM.00324-15</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Moore, E.K.; Villanueva, L.; Hopmans, E.C.; Rijpstra, W.I.C.; Mets, A.; Dedysh, S.N.; Sinninghe Damsté, J.S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Moore, E.K. <i>et al.</i>","Englishabstract":"Northern wetlands make up a substantial terrestrial carbon sink and are often dominated by decay-resistant Sphagnum mosses.Recent studies have shown that planctomycetes appear to be involved in degradation of Sphagnum-derived debris. Novel trimethylornithine(TMO) lipids have recently been characterized as abundant lipids in various Sphagnum wetland planctomyceteisolates, but their occurrence in the environment has not yet been confirmed. We applied a combined intact polar lipid (IPL) andmolecular analysis of peat cores collected from two northern wetlands (Saxnäs Mosse [Sweden] and Obukhovskoye [Russia]) inorder to investigate the preferred niche and abundance of TMO-producing planctomycetes. TMOs were present throughout theprofiles of Sphagnum bogs, but their concentration peaked at the oxic/anoxic interface, which coincided with a maximum abundanceof planctomycete-specific 16S rRNA gene sequences. The sequences detected at the oxic/anoxic interface were affiliatedwith the Isosphaera group, while sequences present in the anoxic peat layers were related to an uncultured planctomycete group.Pyrosequencing-based analysis identified Planctomycetes as the major bacterial group at the oxic/anoxic interface at the Obukhovskoyepeat (54% of total 16S rRNA gene sequence reads), followed by Acidobacteria (19% reads), while in the Saxnäs Mossepeat, Acidobacteria were dominant (46%), and Planctomycetes contributed to 6% of the total reads. The detection of abundantTMO lipids in planctomycetes isolated from peat bogs and the lack of TMO production by cultures of acidobacteria suggest thatplanctomycetes are the producers of TMOs in peat bogs. The higher accumulation of TMOs at the oxic/anoxic interface and thechange in the planctomycete community with depth suggest that these IPLs could be synthesized as a response to changing redoxconditions at the oxic/anoxic interface.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Abundant Trimethylornithine Lipids and Specific Gene Sequences Are Indicative of Planctomycete Importance at the Oxic/Anoxic Interface in <i>Sphagnum</i>-Dominated Northern Wetlands","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:32:52.928458","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2015,"MonPub":null,"DateUpdate":"2015-12-15","DateCreate":"2015-10-30","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000362676400024","VABBcode":null,"OpenAcc":1,"DOI":"10.1128/AEM.00324-15"},"refs":null,"anarec":{"AnaID":250831,"PubliDate":2015,"Pagination":"6333-6344","XtraPublOfAnaID":null,"ISBN":null,"Volume":"81","Issue":"18","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42360,"SerRR":"Applied and Environmental Microbiology. American Society for Microbiology: Washington.  ISSN 0099-2240; e-ISSN 1098-5336","StandardTitleSer":"Applied and Environmental Microbiology","ISSN":"0099-2240","AbbrevSer":"Appl. Environ. 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