DGGE method was used for analyzing the polymorphisms of mitochondrial COI gene of Eriocheir sinensis sampled from NanJing in ChangJiang River, These results indicated that more

• 首次应用变性梯度凝胶电泳(DGGE)对长江水系南京地区中华绒螯蟹线粒体COI基因进行分析,比RFLP技术能检测出更多得DNA的多态性,结果更为精确。