The PCR
was carried out in a volume of 20 μl and contained 200 ng of genomic
DNA, 0.2 mM of dNTPs, 10 pmol of each primer, 2.0 mM
of MgCl2, 50 mM of KCl, 10 mM of Tris-HCl (pH 9.0 at 25 °C),
0.1% TritonX-100 and 0.5 U of Taq DNA Polymerase. PCR was
carried out in a PC-960C thermal cycler (Corbett Research,
Sydney, Australia) with the following program: 95 °C for 3 min;
30 cycles of 95 °C for 30 s, 50 °C for 30 s and 72 °C for 50 s;
10 min at 72 °C.