Methanogenium frigidum sp. nov., a Psychrophilic, H2-Using Methanogen from Ace Lake, Antarctica

¹Cooperative Research Centre for the Antarctic and Southern Ocean Environment, University of Tasmania, Hobart, Australia;
²Department of Environmental Science and Engineering, Oregon Graduate Institute of Science & Technology, Portland, Oregon 97291;
³Department of Biological Science, Florida State University, Tallahassee, Florida 32306-2043;
⁴Department of Microbiology and Cell Science, University of Florida, Gainesville, Florida 32611;
⁵Wadsworth Center, New York State Department of Health, Albany, New York 12201