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Title
Phylogenomic analysis of proteins that are distinctive of Archaea and its main subgroups and the origin of methanogenesis.
Authors
Gao, Beile; Gupta, Radhey S
Abstract
The Archaea are highly diverse in terms of their physiology, metabolism and ecology. Presently, very few molecular characteristics are known that are uniquely shared by either all archaea or the different main groups within archaea. The evolutionary relationships among different groups within the Euryarchaeota branch are also not clearly understood.