The fragments of 504bp and 417bp were respectively amplified by PCR and RT-PCR from Brachinorus plicatilis. 3.Seven recombinants of PCR and RT-PCR were sequenced.

• 采用PCR和RT-PCR方法，从褶皱臂尾轮虫基因组DNA及其总RNA中分别扩增到大小为504bp和 417bp的片段。