A new genus of marine methanogenic bacteria and two species within this genus are described.Methanogenium is the proposed genus andMethanogenium cariaci the type species. Cells of the type species are Gram-negative, peritrichously flagellated, irregular cocci with a periodic wall surface pattern. Colonies formed by these bacteria are yellow, circular and umbonate with entire edges. The DNA base composition is 52 mol% guanine plus cytosine. Formate or hydrogen and carbon dioxide serve as substrates for growth. Cells ofMethanogenium marisnigri are of similar shape but smaller diameter thanM. cariaci. The colonies ofM. marisnigri are convex, and the DNA base composition is 61 mol % G+C. Formate or hydrogen and carbon dioxide are growth substrates. Sodium chloride is required for growth of both methanogens.
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Similar content being viewed by others Explore related subjectsDiscover the latest articles and news from researchers in related subjects, suggested using machine learning. Abbreviationssodium dodecylsulfate
piperazine-N,N′-bis (2 ethanesulfonic acid)
coenzyme M, 2-mercaptoethanesulfonic acid
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J. A. Romesser
Present address: Experimental Station, E. I. DuPont de Nemours and Co., 19898, Wilmington, Delaware, USA
Department of Microbiology, University of Illinois, 61801, Urbana, Illinois, USA
J. A. Romesser & R. S. Wolfe
Institut für Mikrobiologie der Universität Göttingen, D-3400, Göttingen, Federal Republic of Germany
F. Mayer, E. Spiess & A. Walther-Mauruschat
Romesser, J.A., Wolfe, R.S., Mayer, F. et al. Methanogenium, a new genus of marine methanogenic bacteria, and characterization ofMethanogenium cariaci sp. nov. andMethanogenium marisnigri sp. nov.. Arch. Microbiol. 121, 147–153 (1979). https://doi.org/10.1007/BF00689979
Received: 13 December 1978
Issue Date: May 1979
DOI: https://doi.org/10.1007/BF00689979
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