实验模型下两种全基因组扩增技术对指纹DNA检验的效能 |
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引用本文: | 邓建强,刘宝琴,蔡继峰,李文慧,龙仁,侯一平. 实验模型下两种全基因组扩增技术对指纹DNA检验的效能[J]. 中国热带医学, 2012, 12(5): 524-526,561 |
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作者姓名: | 邓建强 刘宝琴 蔡继峰 李文慧 龙仁 侯一平 |
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作者单位: | 1. 海南医学院法医鉴定中心,海南海口,570102 2. 西安现代妇产医院,陕西西安,721000 3. 中南大学湘雅医学院法医学系,湖南长沙,410078 4. 四川大学华西基础与法医学院,四川成都,610041 |
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基金项目: | 国家自然科学基金资助项目,高校博士点专项科研基金资助项目 |
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摘 要: | 目的对简并寡核苷酸引物PCR(Begenerate oligonucleotide-primed PCR,DOP-PCR)和扩增前引物延伸PCR(Primer extension pre-amplification PCR,PEP-PCR)用于指纹检材DNA检验的价值进行研究。方法建立2种指纹检材DNA模型,分别用普通PCR、DOP技术和PEP技术三种方法对指纹DNA样本进行STR分型,对三种方法的效能进行比较评价。结果实验模型1条件下,三种方法均不能获得满意分型结果;模型2条件下,DOP和PEP两种方法可以增加STR分型的成功率和信息量。结论 DOP和PEP技术必须结合高效的DNA提取技术才能最大程度发挥其检验效能。
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关 键 词: | 法医学 全基因组扩增 指纹DNA 简并寡核苷酸引物 扩增前引物延伸 |
Effects of two whole genome amplification methods for fingerprint samples' genotyping under two experimental model conditions |
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Affiliation: | DENG Jian-qiang,LIU Bao-qin,CAI Ji-feng,LI Wen-hui,et al.(1.Department of Forensic Medicine,Hainan Medical University,Haikou,570102,Hainan P.R.China) |
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Abstract: | Objective To estimate the practical value of degenerate oligonucleotide-primed PCR(D0P-PCR)and primer extension pre-amplification PCR(PEP-PCR)protocols for fingerprint samples genotyping.Methods DNA samples obtained from fingerprints under two experimental conditions were genotyped by three ways:directly analysis,DOP and PEP protocol.Their effects were compared.Result No satisfied results were received by three methods under model-1 condition,but DOP and PEP protocols improved successful rates and message amounts for fingerprint samples genotyping under experimental model-2 condition.Conclusions In order to perform their powerful capability,DOP and PEP protocol must combine efficient DNA collecting technology. |
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Keywords: | Forensic medicine Whole genome amplification Fingerprint sample Degenerate oligonucleotide-primed PCR Primer extension pre-amplification PCR |
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