Abstract
Short tandem repeat (STR) markers are extensively used for human identification as well as paternity and forensic casework. X-chromosome STR (X-STR) markers are a powerful complementary system especially in deficiency paternity testing. This study presents the development and characterization of a new X-chromosomal short tandem repeat (STR) multiplex using short amplicon (<200 bp). A total of 366 samples from Punjabi population and 346 samples from Sindhi population were typed for 11 X-chromosomal STR markers: DXS101, DXS6789, DXS6793, DXS7132, DXS7423, DXS7424, DXS8378, DXS9902, GATA31E08, GATA172D05, and HPRTB along with sex-typing locus, amelogenin. Each marker showed a high degree of polymorphism, and the multiplex was sensitive down to 250 pg of human DNA. A total of 78 alleles were found with 5–11 alleles for each marker. The population data can be used as reference database for Sindhi and Punjabi populations.
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Acknowledgments
The authors would like to acknowledge all individuals who participated in this study. The authors would like to thank Dr. Shaheen N. Khan, Obaid Ullah, and M. Akram Tariq for their support in this study. This work was partially supported by Higher Education Commission (HEC), Islamabad, Pakistan.
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Israr, M., Shahid, A.A., Rahman, Z. et al. Development and characterization of a new 12-plex ChrX miniSTR system. Int J Legal Med 128, 595–598 (2014). https://doi.org/10.1007/s00414-014-1009-x
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DOI: https://doi.org/10.1007/s00414-014-1009-x