Acquisition of a thousand eubacterial genes physiologically transformed a methanogen at the origin of Haloarchaea.

Nelson-Sathi S, Dagan T, Landan G, Janssen A, Steel M, McInerney J, Deppenmeier U, Martin W F (2012); Proc Natl Acad Sci USA, 109:20537-20542. doi: 10.1073/pnas.1209119109