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[PGM1 genotyping by PCR-SSCP].

Hai-yan Song¹, Qing-en Yang, Chun-ying Yu

¹Department of Forensic Medicine, Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430030.

Fa Yi Xue Za Zhi

|March 1, 2003

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Phosphoglucomutase 1 (PGM1) genotyping using PCR-SSCP analysis is effective for forensic identification. This method accurately determines PGM1 genotypes from various biological samples, including aged blood and semen stains.

Area of Science:

Forensic Science
Genetics
Molecular Biology

Background:

The Phosphoglucomutase 1 (PGM1) enzyme system is a valuable genetic marker.
Accurate PGM1 genotyping is crucial for forensic identification and paternity testing.

Purpose of the Study:

To evaluate the utility of Polymerase Chain Reaction - Single Strand Conformation Polymorphism (PCR-SSCP) analysis for PGM1 genotyping.
To determine the feasibility of using PCR-SSCP for analyzing PGM1 genotypes in forensic samples.

Main Methods:

Genomic DNA was amplified from 156 unrelated Han individuals from Wuhan.
PCR products of PGM1 exons 4 and 8 were analyzed using SSCP to identify genotypes.
The method was tested on aged blood and semen stains.

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Main Results:

Two alleles and three genotypes were identified in PGM1 exons 4 and 8.
The PGM1 typing by PCR-SSCP demonstrated a discrimination power of 0.7318.
The PCR-SSCP technique proved suitable for genotyping PGM1 from degraded biological evidence.

Conclusions:

PGM1 genotyping via PCR-SSCP is a reliable method for forensic applications.
This technique enhances the capabilities of forensic identification by utilizing the PGM1 genetic system.
The study confirms the applicability of PCR-SSCP for analyzing PGM1 in challenging forensic samples.