title: Phylogenetic measurement in procaryotes by primary structural characterization.
mesh_terms: D001406:Bacillaceae / Q000145:classification; D001419:Bacteria / Q000145:classification*; D001483:Base Sequence; D005075:Biological Evolution; D004755:Enterobacteriaceae / Q000145:classification; D006088:Gram-Negative Aerobic Bacteria / Q000145:classification; D010802:Phylogeny; D011548:Pseudomonadaceae / Q000145:classification; D012313:RNA / Q000032:analysis*
chemical_list: D012313:RNA