Local Transmission of Imported Endemic Syphilis, Canada, 2011
Figure. . . BsrDI digest of tprI and BsrDI/BsEI double digest of tprC from the oral ulcer swab specimen and the syphilis control strain Nichols. Lanes from left to right: 1, 100-bp ladder; 2, Nichols tprI product not digested with BsrDI (493-bp band); 3, clinical specimen tprI product digested with BsrDI (334-bp and 159-bp bands); 4, Nichols tprC digested with BsrDI/BsiEI (547-bp and 160-bp bands); 5, clinical specimen tprC digested with BsrDI/BsiEI (547-bp and 160-bp bands).