Figure 1. The representative amplification curves. Primer pairs: 1 – F/R, 2 – F/R*⁽⁴⁾, 3 – F*⁽⁶⁾/R, 4 – F*⁽⁶⁾/R*⁽⁴⁾, 5 – F*⁽¹⁾/R, 6 – F*⁽²⁾/R, 7 – F/R*⁽¹⁾.