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Next-generation Sequencing

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Related Experiment Video

Updated: Mar 18, 2026

Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy

Semiconductor Sequencing for Preimplantation Genetic Testing for Aneuploidy

Published on: August 25, 2019

Next generation sequencing: Improved resolution for paternal/maternal duos analysis.

Yan Ma¹, Jin-Zhi Kuang¹, Tong-Gang Nie¹

¹Institute of Forensic Science, Tianjin Public Security Bureau, Tianjin 300384, China.

Forensic Science International. Genetics

|June 28, 2016

Summary

This summary is machine-generated.

Resolving parentage with two DNA mismatches requires advanced analysis. Next-generation sequencing (NGS) offers comprehensive data to differentiate mutations from exclusions in paternity testing.

Keywords:

Next generation sequencing (NGS)Paternal/maternal duos analysis forensic geneticsForensic genetics

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Area of Science:

Forensic genetics
Molecular biology
Population genetics

Background:

Parentage testing relies on analyzing short tandem repeat (STR) DNA markers.
Discrepancies like two mismatches in alleged parent-offspring pairs create ambiguity, necessitating further investigation.

Observation:

Four cases with two mismatches in paternal/maternal duos were analyzed using capillary electrophoresis (CE) and next-generation sequencing (NGS).
CE results initially showed two mismatches, casting doubt on parentage or suggesting new mutations.

Findings:

Next-generation sequencing (NGS) provided comprehensive data across 20 autosomal STRs, surpassing capillary electrophoresis (CE) resolution.
NGS analysis enabled a clearer distinction between true parentage with mutations and false exclusions.

Implications:

Enhanced resolution from NGS improves the accuracy of parentage testing, especially in complex cases with discrepancies.
This study highlights the utility of NGS in forensic genetics for resolving ambiguous parentage testing results.