bacterial strain 166 nonhuman 157 controlled study 116 article 102 priority journal 84 unclassified drug 57 Bacteria (microorganisms) 56 Article 52 metabolism 43 Animals 38 Bacterial Proteins 37 Escherichia coli 32 bacterial gene 32 bacterial growth 30 bacterial protein 30 nucleotide sequence 29 Molecular Sequence Data 27 bacterium 26 Gene Expression Regulation, Bacterial 25 bacterium culture 25 human 25 microbiology 25 phenotype 24 enzyme activity 23 Humans 22 biosynthesis 22 physiology 22 gene sequence 20 genetics 20 protein expression 20