Figure 4From: Occurrence of leu+ revertants under starvation cultures in Escherichia coli is growth-dependentThe concentration of leucine in different culture media containing 1.8 × 109 cells/ml. The cells were pre-cultured in LB medium. Solid circle, in 0.85%NaCl solution; Open square, in MM medium; Solid triangle, in MM+P medium; Open circle, in CM mediumBack to article page