Figure 1From: Lactococcus lactis M4, a potential host for the expression of heterologous proteinsPCR-amplified partial 16S rRNA gene using P1 and P4 primers. Lane M: GeneRulerâ„¢ DNA Ladder Mix (Fermentas); Lanes 1 to 17: milk isolates; Lane 18: L. lactis subsp. cremoris MG1363; Lane 19: L. lactis subsp. lactis ATCC 11454; Lane 20: negative control.Back to article page