Mitochondrial DNA typing of laser-captured single sperm cells to differentiate individuals in a mixed semen stain

作者：Zhang, Lu; Ding, Mei; Pang, Hao; Xing, Jiaxin; Xuan, Jinfeng; Wang, Chunhong; Lin, Ziqing; Han, Song; Liang, Kewei; Li, Chunmei; Yao, Jun; Wang, Baojie^*

来源：Electrophoresis, 2016, 37(15-16): 2273-2277.

DOI：10.1002/elps.201600009

• Individual identification
• Mixed semen stain
• mtDNA
• Single-cell capture

The identification of individuals in a mixture of two semen samples usually involves an analysis of autosomal and Y chromosomal short tandem repeats (STR) which can exclude unrelated individuals but cannot achieve the purpose of individual identification. In sperm cells, there are multiple copies of mitochondrial DNAs (mtDNA) which exhibit genetic polymorphisms in different matrilineal-related individuals. Single-cell capture technology can be applied to obtain some single sperm cells in amixed semen sample, then polymerase chain reaction can be employed to amplify the mtDNA hypervariable region I (HVR I) from each cell. By pooling the cells with the same HVR I sequence, we can obtain the sufficient nuclear DNA for STR typing.

• 出版日期2016-8
• 单位沈阳医学院; 中国医科大学