Fig. 4From: Disruption of poly (3-hydroxyalkanoate) depolymerase gene and overexpression of three poly (3-hydroxybutyrate) biosynthetic genes improve poly (3-hydroxybutyrate) production from nitrogen rich medium by Rhodobacter sphaeroidesDry cell weight and PHB content of recombinant HJΔphaZ strains. a DCW of each recombinant HJΔphaZ strain after 5 days of incubation. b PHB content of each recombinant HJΔphaZ strain after 5 days of incubation. Three independent fermentation experiments were done. Data are presented as the mean ± standard deviation (n = 3)Back to article page