Each amplification mixture (final volume, 50 μL)
included: 50 ng genomic DNA template, 2 μL dNTP, 0.4Mof each primer,
0.5 μL Taq DNA polymerase and 5 μL 10× PCR buffer. The thermal programme
consisted of one cycle of initial denaturation at 95 °C for
4 min, 30 cycles of denaturation for 1 min at 95 °C, annealing for 45 s
at 55 °C and elongation for 1 min at 72 °C; and the final cycle was
followed by an additional extension at 72 °C for 7 min (
was about 250 bp