Ty1-copia-like sequences were amplified from two relative Panax species (Panax ginseng and Panax quinquefolius) genomic DNA, by PCR with degenerate oligonucleotide primers corresponding to highly conserved domains in the Ty1-copia-like retrotransposons.

• 利用 Ty1/copia-like 类反转座子反转座酶的保守位点设计引物,从人参和西洋参基因组中扩增得到长度为 240bp 左右的 PCR 产物。