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Multiplex PCR amplification of rpoB (359 and 208 bp) and the cap (291 bp) gene DNA, which are located in the chromosome and the pXO2 plasmid of B. anthracis, respectively. Lanes: M, 100-bp ladder marker; 1, B. anthracis ATCC 14185; 2, B. anthracis ATCC 14186; 3, B. anthracis ATCC 14578 (Vollum strain); 4 to 7, Korean isolates of B. anthracis GJ-2, BC, CN, and HS, respectively; 8, B. anthracis Sterne strain; 9, negative control.
