title: Homology of ribosomal ribonucleic acid diverse bacterial species with Escherichia coli and Bacillus stearothermophilus.
abstract: Hybridization competition experiments were used to examine the ribosomal ribonucleic acid (rRNA) homologies of 22 bacteria and 3 higher organisms with Escherichia coli and Bacillus stearothermophilus. Although little or no homology was observed with the higher organisms, the bacteria showed a wide range of homologies. Organisms whose rRNA showed closer homology to E. coli rRNA showed less rRNA homology to B. stearothermophilus rRNA and vice versa.
mesh_terms: D000818:Animals; D001407:Bacillus; D001419:Bacteria / Q000032:analysis* / Q000145:classification / Q000254:growth & development; D001431:Bacteriological Techniques; D005075:Biological Evolution; D002845:Chromatography; D003470:Culture Media; D004269:DNA, Bacterial / Q000302:isolation & purification; D004926:Escherichia coli; D005374:Filtration; D009693:Nucleic Acid Hybridization; D010759:Phosphorus Isotopes; D012335:RNA, Ribosomal / Q000032:analysis* / Q000302:isolation & purification; D012440:Saccharomyces / Q000032:analysis; D012710:Serum Albumin, Bovine; D012822:Silicon Dioxide; D013045:Species Specificity; D013769:Tetrahymena pyriformis / Q000032:analysis; D014316:Tritium
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial; D010759:Phosphorus Isotopes; D012335:RNA, Ribosomal; D014316:Tritium; D012710:Serum Albumin, Bovine; D012822:Silicon Dioxide