SAMN16604535 Methanothermobacter thermautotrophicus Delta H Methanothermobacter thermautotrophicus Methanothermobacter thermautotrophicus strain Delta H is a hydrogenotrophic methanogen in the archaeal domain. It grows thermophilically and anaerobically, and was first isolated from the sludge of a wastewater treatment plant in 1971 (Zeikus & Wolfe, 1972). University of Tuebingen Isabella Casini Microbe, viral or environmental Microbe.1.0 Delta H DSM:1053 sewage sludge 1971 USA: Illinois, Urbana cell culture Zeikus & Wolfe, 1972 Zeikus & Wolfe, 1972 type strain of Methanobacterium thermautotrophicum 674001