Agarose gel electrophoresis of multiplex PCR products. (A) Lanes: 1 and 8, molecular size standard (DL2000 marker); 2, Salmonella; 3, Listeria monocytogenes; 4, Staphylococcus aureus; 5, Streptococcus pyogenes; 6, Vibrio vulnificus; 7, Vibrio cholerae. (B) Lanes: 1 and 7, molecular size standard (DL2000 marker); 2, Shigella; 3, Yersinia enterocolitica; 4, Vibrio parahaemolyticus; 5, Proteus mirabilis; 6, Proteus vulgaris.