New polymorphic DNA marker to determine a person’s sex from biological material

Garafutdinov R.R.; Sakhabutdinova A.R.; Aminev F.G.; Chemeris A.V.

doi:https://doi.org/10.17116/sudmed20226504136

Garafutdinov R.R.

Institute of Biochemistry and Genetics Ufa Federal Research Centre of the Russian Academy of Sciences

Sakhabutdinova A.R.

Institute of Biochemistry and Genetics Ufa Federal Research Centre of the Russian Academy of Sciences

Aminev F.G.

Institute of law, Bashkir State University

Chemeris A.V.

Kazakhstan Medical University of Continuing Education

New polymorphic DNA marker to determine a person’s sex from biological material

Authors:

Garafutdinov R.R., Sakhabutdinova A.R., Aminev F.G., Chemeris A.V.

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Journal: Forensic Medical Expertise. 2022;65(4): 36‑40

DOI: 10.17116/sudmed20226504136

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To cite this article:

Garafutdinov RR, Sakhabutdinova AR, Aminev FG, Chemeris AV. New polymorphic DNA marker to determine a person’s sex from biological material. Forensic Medical Expertise. 2022;65(4):36‑40. (In Russ.)
https://doi.org/10.17116/sudmed20226504136

Подписка 2026 Судебно-медицинская экспертиза (Forensic Medical Expertise)

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Abstract:

The objective of the study was to pre-evaluate the applicability of gender-specific nucleotide sequences in human neuroligin genes as alternative DNA markers of sex. A new polymorphic locus based on NLGNX and NLGNY genes was proposed to establish the sex attribute of human biomaterials. The significant difference in the location of these loci relative to the pseudoautosomal region (PAR), as well as the combination of different types of polymorphism on the one hand, and the possibility of using gender-specific primers «in one assay» on the other hand, warrants their use as an additional marker of human sex attribute, including utilization as part of systems for DNA registration in the population. The introduction of a new polymorphic locus based on the NLGNX and NLGNY genes will make it possible to reliably identify the sex attribute of biological material recovered from crime scenes.

Keywords:

sex loci

sex attribute

neuroligin genes

forensic investigation

Authors:

Garafutdinov R.R.

Institute of Biochemistry and Genetics Ufa Federal Research Centre of the Russian Academy of Sciences

Sakhabutdinova A.R.

Institute of Biochemistry and Genetics Ufa Federal Research Centre of the Russian Academy of Sciences

Aminev F.G.

Institute of law, Bashkir State University

Chemeris A.V.

Kazakhstan Medical University of Continuing Education

Received:

14.12.2021

Accepted:

13.01.2022

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References:

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