DNA Relatedness among Some Thermophilic Members of the Genus Methanobacterium: Emendation of the Species Methanobacterium thermoautotrophicum and Rejection of Methanobacterium thermoformicicum as a Synonym of Methanobacterium thermoautotrophicum

¹Institut National de la Recherche Agronomique, Station de Technologie Alimentaire, B.P. 39, F-59651 Villeneuve d'Ascq Cedex, France
²Wadsworth Center for Laboratories and Research, New York State, Department of Health, and Department of Biomedical Sciences, School of Public Health, State University of New York, Albany, New York 12201-0509
³Bacterial Genetics Group, Department of Microbiology, Agricultural University of Wageningen, NL-6703 CT Wageningen, The Netherlands
⁴Institute of Microbiology, Russian Academy of Sciences, Prospect 60-Let Oktyabrya, 7/2, Moscow 117811, Russia