Table 1.

Sequences of primers.

Primer	Sequence
BP1	5'- CAC AGG AGT TCC AGA TCA CAT CGA G -3'
BP2	5'- CTG GAA GAA AAA GTA CAT TTA TAT GTG GGC -3’
BP3	5'- CCG CTA GCT CAC CAT GAA TTC ACT CAG -3’
BP4	5'- CCG TCG ACT CTA CGG GGA TGA GAA TCT -3’
BPf	5'- GGA TCC ATG AAT TCA CTC AGT G -3’
BPr	5'- CTC GAG CTA CGG GGG TGA GAA TC -3’
EGf1	5'- GAT ATC ATG GTG AGC AAG GGC G -3’
EGf2	5'- GTC GAC TTA CTT GTA CAG CTC GTC C -3’