Fig. 3From: Mycobacterium bovis in a European bison (Bison bonasus) raises concerns about tuberculosis in Brazilian captive wildlife populations: a case reportGel electrophoresis of PCR products for identification of Mycobacterium bovis, using primers RD 4 [13]. Lanes 1 and 11: 100 bp ladder; 2: M. tuberculosis H37Rv, 172 bp; 3: M. bovis strain AN5, 278 bp; 4–7: DNA extracted from colonies isolated in Stonebrink media; 8 and 9: empty wells; 10: negative control (water)Back to article page