title: Microbiology in transition.
authors.affiliation: Department of Microbiology, University of Illinois, Urbana 61801.
authors.forename: C R
authors.initials: CR
authors.lastname: Woese
mesh_terms: D001419:Bacteria / Q000145:classification*; D008829:Microbiology / Q000639:trends*; D010802:Phylogeny