Genomic characterization of methanomicrobiales reveals three classes of methanogens.
Plos One
Anderson, Iain I; Ulrich, Luke E LE; Lupa, Boguslaw B; Susanti, Dwi D; Porat, Iris I; Hooper, Sean D SD; Lykidis, Athanasios A; Sieprawska-Lupa, Magdalena M; Dharmarajan, Lakshmi L; Goltsman, Eugene E; Lapidus, Alla A; Saunders, Elizabeth E; Han, Cliff C; Land, Miriam M; Lucas, Susan S; Mukhopadhyay, Biswarup B; Whitman, William B WB; Woese, Carl C; Bristow, James J; Kyrpides, Nikos N