DNA, Ribosomal genetics 54 ribosome DNA 54 Phylogeny 44 classification 44 phylogeny 40 article 36 Sequence Analysis, DNA 34 chemistry 32 Molecular Sequence Data 30 DNA sequence 28 molecular genetics 24 Argentina 22 RNA, Ribosomal, 16S 22 nucleotide sequence 22 isolation and purification 20 Bacteria (microorganisms) 18 DNA, Bacterial 18 RNA 16S 18 microbiology 18 Cluster Analysis 16 DNA, Fungal 16 fungal DNA 16 growth, development and aging 16 In Situ Hybridization, Fluorescence 14 bacterial DNA 14 cluster analysis 14 fluorescence in situ hybridization 14 fungus 14 metabolism 14