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Updated: Apr 5, 2026

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing

Published on: February 10, 2023

Mitochondrial DNA Sequence Analysis - Validation and Use for Forensic Casework.

M M Holland¹, T J Parsons¹

¹The Armed Forces DNA Identification Laboratory, Office of the Armed Forces Medical Examiner, The Armed Forces Institute of Pathology, Rockville, MD, USA.

Forensic Science Review

|August 11, 2015

Summary

This summary is machine-generated.

Polymerase chain reaction (PCR) enabled mitochondrial DNA (mtDNA) analysis from challenging sources. Validated PCR-based mtDNA sequencing assays are now reliable for forensic identification casework.

Keywords:

DNA sequencing PCR forensic science mtDNA

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Area of Science:

Forensic Science
Molecular Biology
Genetics

Background:

The development of Polymerase Chain Reaction (PCR) in the mid-1980s, alongside DNA isolation and sequencing techniques, revolutionized the analysis of minute DNA quantities.
Mitochondrial DNA (mtDNA) analysis is particularly valuable for degraded or scarce biological samples, such as ancient remains and hair shafts.
The forensic community has significantly benefited from these advancements in molecular biology.

Purpose of the Study:

To develop and validate PCR-based sequencing assays for the mitochondrial DNA (mtDNA) control region (CR).
To assess the reliability and limitations of these mtDNA analysis procedures for forensic applications.
To establish critical control and monitoring aspects for dependable forensic testing.

Main Methods:

Utilized Polymerase Chain Reaction (PCR) for amplifying mitochondrial DNA (mtDNA).
Developed and applied sequencing assays targeting the mtDNA control region (CR).
Investigated the reliability and identified limitations of the developed PCR-based mtDNA sequencing assays.

Main Results:

Established and characterized PCR-based sequencing assays for the mtDNA control region (CR).
Determined the reliability and limitations of these assays through rigorous investigation.
Identified critical parameters for controlling and monitoring the mtDNA analysis process.

Conclusions:

PCR-based mtDNA sequence analysis has been validated as a reliable procedure for forensic identification.
These validated assays are effective for examining challenging biological evidence in criminalistic cases.
Careful control and monitoring ensure the dependability of mtDNA testing in forensic science.