Fig. 3From: Constructing a novel expression system by specific activation of amylase expression pathway in PenicilliumAmylase activity, protein concentration, transcription level and SDS-PAGE analyses of strains Δ13A-OamyR and Δ13A-OamyR-ΔCreA. Amylase activity (a) and protein concentration (b) of strains Δ13A-OamyR and Δ13A-OamyR-ΔCreA. Expression levels of the amy15A (c), amyR (d) gene in strains Δ13A-OamyR and Δ13A-OamyR-ΔCreA on starch. (e) SDS-PAGE analysis of extracellular protein of Δ13A-OamyR and Δ13A-OamyR-ΔCreA on starch, every three lanes represent three independent cultivations for each strainBack to article page