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引用本文:余佳,蔡月琴,肖慧,陈民利.国外实验动物信息资源网站[J].实验动物与比较医学,2009,29(5):341-346.
作者姓名:余佳  蔡月琴  肖慧  陈民利
作者单位:浙江中医药大学动物实验研究中心/比较医学研究中心,杭州,310053
基金项目:国家自然科学基金项目,受"浙江省卫生高层次创新人才培养工程项目"资助 
摘    要:目的建立实验兔随机扩增多态DNA(RAPD)的最优反应体系,并对RAPD引物进行筛选优化。方法以白毛黑眼(WHBE)兔,日本大耳白(JW)兔,新西兰(NZW)兔为实验材料,对影响RAPD反应的各因素进行优化,摸索出最佳的Mg^2+,dNTP,Taq酶,引物和DNA模板的浓度,并从60个随机引物中筛选出适合实验兔RAPD反应的引物。结果最优RAPD—PCR反应体系为:在20山的反应体系中,Mg^2+1.5mmol/L,dNTP0.25mmol/L,Taq酶1.25U,引物5μmol/L,模板DNA40ng。60个RAPD引物中剔除了重复性差,条带模糊的引物后,有25个引物稳定,扩增出来的条带清晰、多态性高。结论本研究筛选出的25个引物和建立的PCR体系可应用于实验兔的RAPD反应。

关 键 词:实验兔  RAPD  体系优化  引物筛选

The Optimization of RAPD Reaction System and Primers Screening in Experimental Rabbit
YU Jia,CAI Yue-qin,XIAO Hui,CHEN Min-li.The Optimization of RAPD Reaction System and Primers Screening in Experimental Rabbit[J].Laboratory Animal and Comparative Medicine,2009,29(5):341-346.
Authors:YU Jia  CAI Yue-qin  XIAO Hui  CHEN Min-li
Institution:(Zhejiang Chinese Medical University Laboratory Animal Research Center, Hangzhou 310053, China)
Abstract:Objective The optimal reaction system and primers of RAPD-PCR in experimental Rabbits were established. Methods One hundred and fifty samples were collected from WHBE rabbits, JW rabbits and NZW rabbits, and their DNA was extracted by standard procedure of phenol/chloroform. The optimization of its RAPD-PCR reaction system, the most appropriate concentration of Mg^2+, dNTP, Taq polymerase, random primers and DNA template, was studied. Sixty primers were used to amplify DNA of experimental rabbits with RAPD-PCR methods. Results The optimal PCR system for RAPD analysis was carried out in 20 μl reaction volumes containing the following: 10xloading buffer 2 μl, Mg^2+1.5 mmol/L, dNTP 0.25 mmol/L, Taq polymerase 1.25 Units, random primer 5 μmol/L, DNA template 40 ng and sterile distilled water to total volume. On the basis of preliminary experiments, twenty-five primers with high polymorphism were selected in our study. Conclusion The selected 25 primers and optimalizing PCR reaction system can applied to RAPD reaction in experimental rabbit.
Keywords:RAPD
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