Enzyme restriction mapping. (A and B) A 614-bp PCR product from the 16S rRNA gene cleaved with restriction enzyme MslI. (A) Gel separation. (B) Restriction map. (C and D) A 796-bp product from the hsp65 gene cleaved with restriction enzyme DdeI. (C) Gel separation. (D) Restriction map. Lanes: M, 100-bp molecular size marker; 1, DL240490; 2, SR030597; 3, CC240299; 4, BB170200; 5, ATCC 927; 6, DLDK.