Fig. 6From: Biological conversion of methane to putrescine using genome-scale model-guided metabolic engineering of a methanotrophic bacterium Methylomicrobium alcaliphilum 20Za Growth of M. alcaliphilum 20Z and engineered strains in NMS and ANMS media. b Putrescine production by the engineered strains 20ZE4A-pACO in NMS and ANMS with different concentrations of ammonium chloride over timeBack to article page