ester article 32 metabolism 18 alcohol 14 chemistry 14 Bioreactors 12 Escherichia coli 12 Hydroxybutyrates 12 Polyesters 12 bioreactor 12 carbon 12 poly(3 hydroxybutyric acid) 12 unclassified drug 12 Animals 10 Carbon 10 genetics 10 nonhuman 10 polymer 10 Azotobacter 8 Bacteria (microorganisms) 8 Batch cell culture 8 Esters 8 Ethanol 8 Glycerol 8 Poly(3-hydroxybutyrate) 8 Recombinant Escherichia coli 8 bacterium 8 glycerol 8 growth, development and aging 8 hydroxybutyric acid 8