RNA 16S RNA, Ribosomal, 16S 54 genetics 44 phylogeny 38 classification 36 Phylogeny 34 article 34 Sequence Analysis, DNA 30 Bacteria (microorganisms) 28 DNA sequence 28 microbiology 28 nonhuman 26 Argentina 24 Bacteria 22 DNA, Bacterial 22 bacterial DNA 22 nucleotide sequence 22 Molecular Sequence Data 20 isolation and purification 20 DNA, Ribosomal 18 bacterium 18 priority journal 18 Animals 16 chemistry 16 controlled study 16 metabolism 16 polymerase chain reaction 16 animal 14 gene sequence 14 growth, development and aging 14