article 23 bacterial strain 23 nonhuman 22 Escherichia coli 16 bioreactor 12 Hydroxybutyrates 11 poly(3 hydroxybutyric acid) 11 Arca 10 Polyesters 10 bacterial gene 10 carbon 10 Azotobacter 9 Bacteria (microorganisms) 9 Mutation 9 bacterium 9 Repressor Proteins 8 bacterial growth 8 Animals 7 Bacterial Outer Membrane Proteins 7 Bacterial Proteins 7 Escherichia coli Proteins 7 Glycerol 7 biosynthesis 7 gene mutation 7 glycerol 7 phenotype 7 Biomass 6 Bioreactors 6 Glucose 6 Molecular Sequence Data 6