{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,24]],"date-time":"2026-10-24T14:10:47Z","timestamp":1792851047174,"version":"4.5.0"},"reference-count":85,"publisher":"American Chemical Society (ACS)","issue":"1","license":[{"start":{"date-parts":[[2024,12,31]],"date-time":"2024-12-31T00:00:00Z","timestamp":1735603200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000160","name":"Division of Earth Sciences","doi-asserted-by":"publisher","award":["1852912"],"award-info":[{"award-number":["1852912"]}],"id":[{"id":"10.13039\/100000160","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000104","name":"National Aeronautics and Space Administration","doi-asserted-by":"publisher","award":["80NSSC21K1529"],"award-info":[{"award-number":["80NSSC21K1529"]}],"id":[{"id":"10.13039\/100000104","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,1,14]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Wetland methane emissions are the primary natural contributor to the global methane budget, accounting for approximately one-third of total emissions from natural and anthropogenic sources. Anaerobic oxidation of methane (AOM) serves as the major sink of methane in anoxic wetland sediments, where electron acceptors are present, thereby effectively mitigating its emissions. Nevertheless, environmental controls on electron acceptors, in particular, the ubiquitous iron oxides, involved in AOM are poorly understood. Here, we explored methane sinks within a hypersaline pool situated in a coastal wetland. The geochemical profiles reveal a tiering, where microbial sulfate reduction dominates in the organic-rich surface sediment, yielding to iron reduction in the deeper organic-poor yet sulfate-rich subsurface sediment. This shift is attributed to the drilling-induced depression and subsequent diagenetic transformation of the surface sediment. Radiotracer incubations demonstrate a strong association of AOM with sulfate in surface sediment and with iron oxides in subsurface sediment. Despite high concentrations of sulfate in coastal wetlands, Fe-dependent AOM may play a significant, yet often under-considered, role as a sink for methane emissions.<\/jats:p>","DOI":"10.1021\/acs.est.4c10639","type":"journal-article","created":{"date-parts":[[2024,12,31]],"date-time":"2024-12-31T21:34:32Z","timestamp":1735680872000},"page":"513-522","source":"Crossref","is-referenced-by-count":13,"title":["Iron Oxides Fuel\nAnaerobic Oxidation of Methane in\nthe Presence of Sulfate in Hypersaline Coastal Wetland Sediment"],"prefix":"10.1021","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4878-6578","authenticated-orcid":true,"given":"Jiarui","family":"Liu","sequence":"first","affiliation":[{"name":"University of California , , , ,","place":["Los\nAngeles, California, United States, 90095"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emily","family":"Klonicki-Ference","sequence":"additional","affiliation":[{"name":"University of California , , , ,","place":["Los\nAngeles, California, United States, 90095"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastian J. E.","family":"Krause","sequence":"additional","affiliation":[{"name":"University of California , , , ,","place":["Santa Barbara, California, United States, 93106"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tina","family":"Treude","sequence":"additional","affiliation":[{"name":"University of California , , , ,","place":["Los\nAngeles, California, United States, 90095"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2024,12,31]]},"reference":[{"issue":"1943","key":"2026081210102925100_cit1","doi-asserted-by":"publisher","first-page":"2058","DOI":"10.1098\/rsta.2010.0341","article-title":"Global atmospheric\nmethane: budget, changes and dangers","volume":"369","author":"Dlugokencky","year":"2011","journal-title":"Philosophical\nTransactions of the Royal Society A: Mathematical, Physical and Engineering\nSciences"},{"issue":"1","key":"2026081210102925100_cit2","doi-asserted-by":"publisher","first-page":"115","DOI":"10.1029\/RG027i001p00115","article-title":"The\n\u201cGreenhouse\u201d effect and climate change","volume":"27","author":"Mitchell","year":"1989","journal-title":"Rev. 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Data"},{"issue":"5","key":"2026081210102925100_cit5","doi-asserted-by":"publisher","first-page":"1325","DOI":"10.1111\/gcb.12131","article-title":"Methane emissions\nfrom\nwetlands: biogeochemical, microbial, and modeling perspectives from\nlocal to global scales","volume":"19","author":"Bridgham","year":"2013","journal-title":"Global Change Biol."},{"key":"2026081210102925100_cit6","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/B0-08-043751-6\/04036-6","article-title":"Global Methane\nBiogeochemistry","volume-title":"Treatise on Geochemistry","author":"Reeburgh","year":"2007"},{"issue":"12","key":"2026081210102925100_cit7","doi-asserted-by":"publisher","first-page":"884","DOI":"10.1038\/ngeo2837","article-title":"Marine\nmethane paradox\nexplained by bacterial degradation of dissolved organic matter","volume":"9","author":"Repeta","year":"2016","journal-title":"Nat. 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Cosmochim.\nActa"},{"key":"2026081210102925100_cit41","doi-asserted-by":"publisher","first-page":"217","DOI":"10.1016\/j.gca.2015.09.012","article-title":"Vivianite\nis a major sink for phosphorus in methanogenic coastal surface sediments","volume":"169","author":"Egger","year":"2015","journal-title":"Geochim. Cosmochim. Acta"},{"issue":"1","key":"2026081210102925100_cit42","doi-asserted-by":"publisher","first-page":"231","DOI":"10.1002\/lno.11988","article-title":"Sulfate- and\niron-dependent anaerobic methane oxidation occurring side-by-side\nin freshwater lake sediment","volume":"67","author":"Mostovaya","year":"2022","journal-title":"Limnol. 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J."},{"issue":"17","key":"2026081210102925100_cit56","doi-asserted-by":"publisher","first-page":"3169","DOI":"10.1016\/0016-7037(96)00156-1","article-title":"Redox zonation: Equilibrium constraints\non the Fe\u00ad(III)\/SO4-reduction\ninterface","volume":"60","author":"Postma","year":"1996","journal-title":"Geochim. Cosmochim. Acta"},{"key":"2026081210102925100_cit57","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1007\/978-1-4615-4187-5_2","article-title":"Bacterial Manganese\nand Iron Reduction in Aquatic Sediments","volume-title":"Advances in Microbial Ecology","author":"Thamdrup","year":"2000"},{"issue":"4","key":"2026081210102925100_cit58","doi-asserted-by":"publisher","first-page":"683","DOI":"10.1128\/aem.51.4.683-689.1986","article-title":"Organic Matter Mineralization with\nReduction of Ferric\nIron in Anaerobic Sediments","volume":"51","author":"Lovley","year":"1986","journal-title":"Appl. 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