Le Thien Ngoc, Van Phan Hieu, Dang Anh Tuan Mai, Nguyen Vy Thuy
From the Departments of *Molecular Biology and †Pathology, Forensic Medicine Center; and ‡Molecular Biology Lab, Department of Genetics, Faculty of Biology and Biotechnology, VNUHCM-University of Science, Ho Chi Minh, Vietnam.
Am J Forensic Med Pathol. 2016 Sep;37(3):158-64. doi: 10.1097/PAF.0000000000000246.
A method was designed for estimating and sequencing of mitochondrial DNA (mtDNA) that effectively and more quickly provides a complete mtDNA profile. In this context, we have developed this novel strategy for typing mtDNA from 10 bones and teeth remains (3 months to 44 years). The quantification of mtDNA was achieved by singleplex real-time polymerase chain reaction of the hypervariable region I fragment (445 bp) and hypervariable region II fragment (617 bp). Combined with the melting curve analysis, we have determined as little as 10 pg of mtDNA template that is suitable for sequence analysis. Furthermore, quantitative polymerase chain reaction products were directly used for following step of mtDNA typing by Sanger sequencing. This method allows the profile to be completely provided for faster human identification.
设计了一种用于估计和测序线粒体DNA(mtDNA)的方法,该方法能有效且更快地提供完整的mtDNA图谱。在此背景下,我们开发了这种从10块骨骼和牙齿遗骸(3个月至44岁)中对mtDNA进行分型的新策略。通过对高变区I片段(445 bp)和高变区II片段(617 bp)进行单重实时聚合酶链反应实现mtDNA的定量。结合熔解曲线分析,我们确定低至10 pg的mtDNA模板适合进行序列分析。此外,定量聚合酶链反应产物直接用于随后通过桑格测序进行的mtDNA分型步骤。该方法能够更快地提供完整图谱以用于人类身份鉴定。