title: Ribosomal RNA phylogeny and the primary lines of evolutionary descent.
authors.forename: N R
authors.initials: NR
authors.lastname: Pace
authors.forename: G J
authors.initials: GJ
authors.lastname: Olsen
authors.forename: C R
authors.initials: CR
authors.lastname: Woese
mesh_terms: D000818:Animals; D001105:Archaea / Q000235:genetics; D001419:Bacteria / Q000145:classification / Q000235:genetics; D005075:Biological Evolution; D005057:Eukaryotic Cells / Q000502:physiology; D006801:Humans; D010802:Phylogeny; D011387:Prokaryotic Cells / Q000502:physiology; D012335:RNA, Ribosomal; D012689:Sequence Homology, Nucleic Acid
chemical_list: D012335:RNA, Ribosomal