Metal Oxide Reduction Linked to Anaerobic Methane Oxidation
- PMID: 27986381
- DOI: 10.1016/j.tim.2016.12.001
Metal Oxide Reduction Linked to Anaerobic Methane Oxidation
Abstract
Microbial methanotrophy is important in mitigating methane emissions to the atmosphere. Geochemical evidence suggests the occurrence of anaerobic methane oxidation with metal oxides in natural environments. A study has now identified, for the first time, novel freshwater archaea of the order Methanosarcinales that can oxidize methane with Fe(III) and Mn(IV) minerals as electron acceptors.
Keywords: ANME; ANME-2d; AOM-associated archaea (AAA); anaerobic oxidation of methane; extracellular electron transfer; iron reduction.
Copyright © 2016 Elsevier Ltd. All rights reserved.
Comment on
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Archaea catalyze iron-dependent anaerobic oxidation of methane.Proc Natl Acad Sci U S A. 2016 Nov 8;113(45):12792-12796. doi: 10.1073/pnas.1609534113. Epub 2016 Oct 24. Proc Natl Acad Sci U S A. 2016. PMID: 27791118 Free PMC article.
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