Fig. 1From: Engineering integrative vectors based on phage site-specific recombination mechanism for Lactococcus lactisWestern blot showing time optimization for the expression of integrase protein. Lane M) Pageruler prestained protein ladder, 1–7) protein sample at 0 h, 2 h, 4 h, 6 h, 8 h, 10 h and 12 h respectivelyBack to article page