| 
      
        | Primer | Type | Position    on gene | Length | Sequence(5’-3’) |  
        | F | Forward | 8721–8740 | 20mer | ACGTCCAAAATGAGAATGCC |  
        | B | Backward | 9181–9200 | 20mer | TGGTGTTCGTGATGTGACCT |  
        | F3 | Forward    outer | 8870–8890 | 21mer | ATACGACATAGGAGAAACTGA |  
        | B3 | Backward    outer | 9059-9078 | 20mer | ACGCTTCTGCAACATCTGAG |  
        | FIP | Forward    inner | 8931–8951    and 8900–8920 | 42mer | GTTTGGCGAGGTTCCATTTTC-TGTGATGAATGGGCTTATGGT |  
        | BIP | Backward  inner | 9004–9024    and 9036–9056 | 42mer | TGAAACCAATCGTTGAGAATG-ATGTGCCATGATTTGCCTAAG |  |