Dimitry Y. Sorokin, Alexander Merkel

Research output: Chapter in Book/Conference proceedings/Edited volumeChapterScientific

Abstract’ae. N.L. neut. n. Methanonatronarchaeum,
the type genus of the family; -aceae ending to denote a family; N.L. fem. pl. n. Methanonatronarchaeaceae, the Methanonatronarchaeum family. The family Methanonatronarchaeaceae includes obligately anaerobic, extremely halophilic, or haloalkaliphilic methanogens with small coccoid cells which produce methane by reduction of C1-methylated compounds with either H2 or formate and assimilate either amino acids or acetate as C source. Cells accumulate intracellular potassium as a compatible solute. It is found exclusively in hypersaline lakes. The family consists of two genera: alkaliphilic Methanonatronarchaeum, which is the type genus, and neutrophilic Candidatus
Methanohalarchaeum. DNA G+C content (mol%): 35.4–38.0 (genomes).
Type genus: Methanonatronarchaeum Sorokin, Merkel, Abbas, Makarova, Rijpstra, Koenen et al. 2018, 2205VP.
Original languageEnglish
Title of host publicationBergey’s Manual of Systematics of Archaea and Bacteria, Online © 2015 Bergey’s Manual Trust
EditorsWilliam B. Whitman
PublisherJohn Wiley & Sons
Number of pages2
ISBN (Electronic)9781118960608
Publication statusPublished - 2019


  • methyl-reducing
  • Hypersaline


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