Human Saliva and Dried Saliva Spots as Source of DNA for PCR based HLA Typing using a Combination of Taq DNA Polymerase and AccuPrimeTaq Polymerase


  • Prerana Madhusudhana MURTHY Cancyte Technologies, Sri Shankara Research Center, Rangadore Memorial Hospital, Shankarapuram, Bangalore 560004, India
  • Anupama Cheleri NEDUVAT Cancyte Technologies, Sri Shankara Research Center, Rangadore Memorial Hospital, Shankarapuram, Bangalore 560004, India
  • Cheemalamarri VEENADHAR Sir Ronald Ross Institute of Tropical and Communicable Diseases, Hyderabad, Andhra Pradesh, India
  • Sudarson SUNDARRAJAN Cancyte Technologies, Sri Shankara Research Center, Rangadore Memorial Hospital, Shankarapuram, Bangalore 560004, India
  • Sriram PADMANABHAN Cancyte Technologies, Sri Shankara Research Center, Rangadore Memorial Hospital, Shankarapuram, Bangalore 560004, India


Saliva, HLA, PCR, NanoDrop, Whatman 903, Salting-out method


Genomic DNA extracted from human saliva samples showed high inter-subject variations in DNA yield, compelling the need to explore a methodology for the accurate quantitation of the extracted genomic DNA. Quantitative assessment of DNA extracted from saliva was achieved using human coagulation factor XIII as an internal control for subsequent downstream applications of amplification of human leucocyte antigen (HLA) genes by PCR. The PCR signals for the HLA target genes, namely, HLA-A, -B, -C , DPB1, DQB1, and DRB1 of exons 2 and 3, improved greatly with the use of a combination of Taq DNA polymerase and AccuPrimeTaq DNA polymerase.  We also describe a new method of using dried saliva spots (DSS) as an alternate source of genomic DNA for HLA typing. PCR-based typing of DNA from human saliva offers a potential method for HLA typing and amplification, and typing of DNA, thus presented, could be applied in forensic science to saliva samples recovered from crime scenes.


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How to Cite

MURTHY, P. M. ., NEDUVAT, A. C. ., VEENADHAR, C. ., SUNDARRAJAN, S. ., & PADMANABHAN, S. . (2019). Human Saliva and Dried Saliva Spots as Source of DNA for PCR based HLA Typing using a Combination of Taq DNA Polymerase and AccuPrimeTaq Polymerase. Walailak Journal of Science and Technology (WJST), 17(2), 113-127. Retrieved from