An obligately anaerobic bacterium that lacked a cell wall was isolated from the hypolimnion of Ace Lake, Antarctica. Cells were very pleomorphic, forming cocci, filaments up to 25 micrometres in ...
The Antarctic methanogen Methanococcoides burtonii contained only diether phospholipids. These membrane components were analysed by gas chromatography and gas chromatography mass spectrometry. Of ...