›› 2012, Vol. 39 ›› Issue (2): 40-42.

• 生物技术 • 上一篇    下一篇

基于TaqMan探针的虎制品实时荧光定量PCR的特异性鉴定

张太翔1, 凌宗帅2, 赵立娜1, 袁涛3, 徐彪3, 梁成珠3, 刘文鹏1, 孙军1, 张艺兵1   

  1. 1. 潍坊出入境检验检疫局,山东潍坊 261041;2. 济南出入境检验检疫局,山东济南 250014;3. 山东检验检疫局,山东青岛 250023
  • 收稿日期:1900-01-01 修回日期:2011-08-01 出版日期:2012-02-20 发布日期:2012-02-20

Real-time Quantitative RT-PCR Assay for Specific Identification of Panthera tigris Materials

ZHANG Tai-xiang1, LING Zong-shuai2, ZHAO Li-na1, YUAN Tao3, XU Biao3, LIANG Cheng-zhu3, LIU Wen-peng1, SUN Jun1, ZHANG Yi-bing1   

  1. 1. Weifang Entry-Exit Inspection and Quarantine Bureau of People's Republic of China, Weifang 261041, China;2. Jinan Entry-Exit Inspection and Quarantine Bureau of People's Republic of China, Jinan 250014, China;3. Shandong Entry-Exit Inspection and Quarantine Bureau of People's Republic of China,Qingdao 250023, China
  • Received:1900-01-01 Revised:2011-08-01 Online:2012-02-20 Published:2012-02-20

摘要: 根据虎线粒体细胞色素b核苷酸保守序列设计引物和探针,建立了一种快速鉴定虎制品的TaqMan实时荧光定量PCR方法。以梯度稀释的含有目的扩增片段的重组质粒作为标准品,进行定量PCR反应。结果显示,5.0×105~ 5.0×101拷贝/μL范围内定量PCR均有"S"型扩增曲线,检测灵敏度为50拷贝/μL。对豹、狮子、猫等7种非虎哺乳动物DNA样本的检测结果均为阴性。本研究建立的实时荧光定量PCR方法具有灵敏度高、特异性和重复性好、方便经济的特性,在虎制品的检测与鉴定中具有良好的应用前景。

关键词: 虎; 实时荧光定量PCR; TaqMan探针

Abstract: Primers and probes were designed based on the conservative sequence of cytochondriome cytochrome b, a real-time quan quantitative RT-PCR assay was developed for indentification of Panthera tigris. The recombinant plasmid containing the target sequence was constructed to detect the sensitivity and prepare the standard curve. The real-time RT-PCR assay had a detection limit of 50 copies/μL, and with a dynamic range of detection between 5×105 to 5×101 copies /μL. The primers and probe were specific for Panthera tigris' DNA and did not react with other non- Panthera tigris' DNA. This real-time RT-PCR assay with high sensitivity, specificity and accuracy is considered to be a powerful tool for the rapid indentification and quantification of Panthera tigris.

Key words: Panthera tigris; real-time quantitative RT-PCR; TaqMan probe

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