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- Title
Response of the Anaerobic Methanotrophic Archaeon Candidatus " Methanoperedens nitroreducens " to the Long-Term Ferrihydrite Amendment.
- Authors
Cai, Chen; Ni, Gaofeng; Xia, Jun; Zhang, Xueqin; Zheng, Yue; He, Bingqing; Marcellin, Esteban; Li, Weiwei; Pu, Jiaoyang; Yuan, Zhiguo; Hu, Shihu
- Abstract
Notably, I Ca. i " I M. ferrireducens i " has been indicated to be an obligate methane-dependent Fe(III) reducer as it lacks nitrate reductase when compared to I Ca. i " I M. nitroreducens i " ([13]). Moreover, the capability of Fe(III) and nitrate reduction differentiates I Ca. i " I M. nitroreducens i " from I Ca. i " I M. ferrireducens i ", which lacks nitrate reductase and may use Fe(III) as its sole electron acceptor ([13]). Comparison of I Ca. i " I M. nitroreducens i TS" (bin 27) and I Ca. i " I M. ferrireducens i " (bin 53) showed that most MHCs from I Ca. i " I M. nitroreducens i TS" are orthologous to those identified in I Ca. i " I M. ferrireducens i " (Figure 6). Keywords: anaerobic oxidation of methane; Fe(III) reduction; ANME archaea; extracellular electron transfer; multiheme c -type cytochromes; methanogen; acetate EN anaerobic oxidation of methane Fe(III) reduction ANME archaea extracellular electron transfer multiheme c -type cytochromes methanogen acetate 1 12 12 04/21/22 20220418 NES 220418 Introduction Anaerobic oxidation of methane (AOM) occurs in a wide range of natural and anthropogenic environments and plays a crucial role in mitigating the global emission of methane by converting this greenhouse gas to less potent CO SB 2 sb ([47]). Orthology analysis showed that most of the putative extracellular MHCs from I Ca. i " I M. nitroreducens i TS" (bin 27) are orthologous to those from I Ca. i " I M. ferrireducens i " (bin 53), while 19 MHCs are exclusive to I Ca. i " I M. ferrireducens i " (Figure 6 and Supplementary Table 2).
- Subjects
ATMOSPHERIC methane; NITRATE reductase; POLYHYDROXYBUTYRATE; CANDIDATUS; HYDROTHERMAL vents
- Publication
Frontiers in Microbiology, 2022, Vol 13, p1
- ISSN
1664-302X
- Publication type
Article
- DOI
10.3389/fmicb.2022.799859