Fig. 3From: High-level extracellular protein production in Bacillus subtilis using an optimized dual-promoter expression systemExtracellular β-CGTase expression and gene transcription level of plasmid-containing strains CGT1, CGT7 and CGTd4. Extracellular β-CGTase activity profile (column) and growth curve (line chart) of plasmid-containing strains CGT1, CGT7 and CGTd4 (a). Results of quantitative real-time PCR in plasmid-containing strains CGT1 (white), CGT7 (sparse) and CGTd4 (black) (b) (P < 0.05)Back to article page