Fig. 1From: Transcriptomic and metabolomic analyses for providing insights into the influence of polylysine synthetase on the metabolism of Streptomyces albulusComparison of cell growth and ε-PL production of the pls gene high-expression (high), knockout (del), and wild strains. A Comparison of the maximum OD values. B Comparison of the maximum ε-PL concentrations. **P < 0.01; ***P < 0.001; ns, not significantBack to article page