Fig. 3From: Engineering integrative vectors based on phage site-specific recombination mechanism for Lactococcus lactisGel electrophoresis of PCR verification using attB flanking primers of integrated surface displayed integrative plasmids in the L. lactis genome. M) Generuler DNA ladder mix, 1) negative control, 2) pSD1nuc, 3) pSD2nuc, 4) pSD3nuc, and 5) pSD4nucBack to article page