Table 4. Non-Orientalis strains amplified with DFR13 identification primers.
| Strain | Biovar | Isolate location | PCR(2ng/µl)* | PCR(0.25ng/µl)* | ||||
| YPO2274 | YPO2277 | YPO2273 | YPO2274 | YPO2277 | YPO2273 | |||
| D0000002 | Antiqua | Qinghai qilian | + | + | - | - | - | - |
| K21985006 | Antiqua | Xinjiang ruoqiang | + | + | + | - | - | - |
| A1956001 | Antiqua | Xinjiang wuqia | + | + | + | - | - | - |
| B11979001 | Antiqua | Xinjiang atushi | + | + | - | - | - | - |
| B31989002 | Antiqua | Xinjiang wusu | + | + | - | - | - | - |
| M1997002 | Microtus | Sichuan shiqu | + | + | - | - | - | - |
| I1978002 | Medievalis | Inner Mongolia guoqianqi | + | + | - | - | - | - |
| H1955008 | Antiqua | Inner Mongolia keyouqianqi | + | + | + | - | - | - |
| EV76 | Orientalis | Its parent strain was isolated from a patient in Madagascar | + | + | + | + | + | + |
*
: Indicated the template concentration
The “+” and “-” indicated the positive and negative results, respectively.
EV76 was the positive control.