Fig. 1From: Regulation mechanism and bioactivity characteristic of surfactin homologues with C14 and C15 fatty acid chainsEnhancement of C14 surfactin proportion by exogenous addition of valine in B. subtilis Q1. A Surfactin titer and OD600 of B. subtilis Q1 at different amino acid addition. B Surfactin homologues proportion of B. subtilis Q1 at different amino acid addition. C Surfactin titer and OD600 of B. subtilis Q1 at different valine concentration. D Surfactin homologues proportion of B. subtilis Q1 at different Valine concentrationBack to article page