Bacteria (microorganisms) microbiology article 54 growth, development and aging 34 metabolism 34 genetics 32 chemistry 26 isolation and purification 26 physiology 26 classification 24 Argentina 22 Fungi 22 Bacteria 20 phylogeny 20 Phylogeny 18 bacterium 18 RNA 16S 16 RNA, Ribosomal, 16S 16 cytology 16 drug effect 16 nucleotide sequence 16 DNA sequence 14 Lactobacillus 14 Molecular Sequence Data 14 Sequence Analysis, DNA 14 molecular genetics 14 Animals 12 Biofilms 12 Plant Roots 12 animal 12