{"refrec":{"BRefID":330893,"RR":"<b>van Grinsven, S.; Sinninghe Damsté, J.S; Villanueva, L.</b> (2020). Assessing the effect of humic substances and Fe(III) as potential electron acceptors for anaerobic methane oxidation in a marine anoxic system. <i>Microorganisms 8(9)</i>: 1288. <a href=\"https://doi.org/10.3390/microorganisms8091288\" target=\"_blank\">https://doi.org/10.3390/microorganisms8091288</a>","BEntID":324503,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Microorganisms 8(9)</i>: 1288. <a href=\"https://doi.org/10.3390/microorganisms8091288\" target=\"_blank\">https://doi.org/10.3390/microorganisms8091288</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"van Grinsven, S.; Sinninghe Damsté, J.S; Villanueva, L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"van Grinsven, S.; Sinninghe Damsté, J.S; Villanueva, L.","Englishabstract":"Marine anaerobic methane oxidation (AOM) is generally assumed to be coupled    to sulfate reduction, via a consortium of anaerobic methane-oxidizing    archaea (ANME) and sulfate-reducing bacteria (SRB). ANME-1 are, however,    often found as single cells, or only loosely aggregated with SRB,    suggesting they perform a form of AOM independent of sulfate reduction.    Oxidized metals and humic substances have been suggested as potential    electron acceptors for ANME, but up to now, AOM linked to reduction of    these compounds has only been shown for the ANME-2 and ANME-3 clades. Here,    the effect of the electron acceptors anthraquinone-disulfonate (AQDS), a    humic acids analog, and Fe<sup>3+</sup> on anaerobic methane oxidation were    assessed by incubation experiments with anoxic Black Sea water containing    ANME-1b. Incubation experiments with <sup>13</sup><i>C</i>-methane and AQDS    showed a stimulating effect of AQDS on methane oxidation. Fe<sup>3+</sup>    enhanced the ANME-1b abundance but did not substantially increase methane    oxidation. Sodium molybdate, which was added as an inhibitor of sulfate    reduction, surprisingly enhanced methane oxidation, possibly related to the    dominant abundance of <i>Sulfurospirillum</i> in those incubations. The    presented data suggest the potential involvement of ANME-1b in    AQDS-enhanced anaerobic methane oxidation, possibly via electron shuttling    to AQDS or via interaction with other members of the microbial community.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Assessing the effect of humic substances and Fe(III) as potential electron acceptors for anaerobic methane oxidation in a marine anoxic system","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"ANME-1; anaerobic methane oxidation; Black Sea; AQDS; Fe(III); humic substances","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-11-13","DateCreate":"2020-11-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000580810700001","VABBcode":null,"OpenAcc":1,"DOI":"10.3390/microorganisms8091288"},"refs":null,"anarec":{"AnaID":330893,"PubliDate":2020,"Pagination":"1288","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"9","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":302866,"SerRR":"Microorganisms. 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