Acetogens 1 Biocatalysts 1 Carbon 1 Carbon recycling 1 Chemostats 1 Clostridium 1 Clostridium autoethanogenum 1 Fast growths 1 Fermentation 1 Fermentation bioprocesses 1 Gas fermentations 1 Gases 1 Gene expression 1 Genome-scale metabolic modeling 1 Metabolic engineering 1 Metabolic modelling 1 Metabolism 1 Metabolomics 1 Physiological models 1 Recycling 1 Transcriptomics 1 acetogen 1 carbon recycling chemostat 1 gas fermentation 1 genome-scale metabolic modelling 1 metabolomics 1 transcriptomics 1