 Sinicoccus SPPCC-7002 has been engineered to produce high levels of limonene and alphabisabolene, through heterologous expression of the mentha-spiccata-eliminine synthase or the AB's grandus, E-alphabisabolene synthase genes, respectively. Additionally, the Sinicoccus SPPCC-7002-delta GLGC mutant has been shown to excrete a variety of overflow metabolites during nitrogen deprivation and at the onset of stationary growth in nutrient-replete media. These metabolites may provide a source of carbon for terpenoid biosynthesis, as demonstrated by the increased concentrations of these compounds when the delta GLGC mutant is engineered to produce limonene. This article was authored by Fiona K Davies, Victoria H Work, Alexander S Believ and others.