Epigenetic differentiation of monozygotic twins in forensic investigations using nanopore sequencing
Due to the identical nuclear DNA of monozygotic twins (MZTs), they cannot be distinguished by conventional forensic markers, such as short tandem repeats and single nucleotide variants. Oxford Nanopore sequencing could overcome this critical forensic challenge as the authors found that DNA methylation differences, particularly in non-CpG contexts, are reproducible biomarkers for MZT discrimination. The single-base resolution of methylation generated in real-time during sequencing makes Oxford Nanopore technology ideal for forensic casework by advancing precise human identification.
‘This study establishes nanopore sequencing as a transformative tool for forensic genetics, specifically addressing the critical challenge of MZT discrimination’
Zeng et al. 2025
Sample type: DNA from peripheral blood