Figure 2From: Effect of overexpressing nhaA and nhaR on sodium tolerance and lactate production in Escherichia coli Maximum specific growth rate (μ MAX ) of MG1655 (○), MG1655/pBR322 (□), MG1655/pBR322- nhaA (Δ), MG1655/pBR322- nhaR (◊), and MG1655/pBR322- nhaAR (∇) with increasing total Na + concentration. Back to article page