Fig. 4

Relative quantity of lecC and rfp mRNA. 1, L. lactis 9 k-lecC; 2, L. lactis 9 k-1-lecC; 3, L. lactis 9 k-2-lecC; 4, L. lactis 9 k-3-lecC; 5, L. lactis 9 k-4-lecC; a, L. lactis 9 k-lecC; b, L. lactis 9 k-4-P5/lecC; c, L. lactis 9 k-4-P8/lecC. a Cultured in M17G media; b cultured in SA media; c cultured in SA or in M17G media without nisin; d cultured in SA or in M17G media with nisin to induce expression. Data represent the mean of three independent experiments. Bars indicate standard deviations (*P < 0.05)