downstream processing nonhuman 10 unclassified drug 10 article 8 enzyme activity 8 protein 8 biosynthesis 6 controlled study 6 metabolism 6 priority journal 6 protein expression 6 regulatory mechanism 6 Acyl-Butyrolactones 4 Bacteria (microorganisms) 4 Bacterial Proteins 4 Downstream-processing 4 Gene Expression Regulation, Bacterial 4 Genes, Reporter 4 Models, Biological 4 Quorum Sensing 4 Rhizobiaceae 4 Rhizobium etli 4 Rhizobium leguminosarum 4 Trans-Activators 4 animal experiment 4 bacterial protein 4 bacterial spore 4 bacterial strain 4 biological model 4 cloning 4