One species-specific probe of Yersinia pestis is successfully screened by PCR fingerprinting, and the method presented in this paper proves to be a novel way to get specific probes of pathogenic bacteria.

• 利用PCR指纹图技术成功筛选到一段鼠疫耶尔森菌的种特异性探针 ,为细菌通用检测技术的研究开辟了新的思路。