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Microhaplotypes in forensic genetics.

Fabio Oldoni1, Kenneth K Kidd2, Daniele Podini1

  • 1Department of Forensic Sciences, The George Washington University, 2100 Foxhall Road NW, Washington, DC, 20007, United States.

Forensic Science International. Genetics
|October 23, 2018
PubMed
Summary
This summary is machine-generated.

Microhaplotype markers (microhaps) are short DNA sequences with multiple linked SNPs. Massively parallel sequencing enhances their use in forensic genetics for identification and ancestry.

Keywords:
Biogeographic ancestry inferenceClinical applicationHuman identificationMassively parallel sequencingMicrohaplotypesMissing person and relationship identificationMixture deconvolutionNon-human DNAProbabilistic genotypingSingle nucleotide polymorphisms

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Area of Science:

  • Genetics
  • Forensic Science

Background:

  • Microhaplotype loci (microhaps) are novel molecular markers under 300 nucleotides.
  • They are defined by multiple closely linked SNPs in specific allelic combinations.

Purpose of the Study:

  • To review the features of multi-SNP microhaplotype markers.
  • To document their value in forensic genetics applications.

Main Methods:

  • Utilizing massively parallel sequencing (MPS) to sequence parental haplotypes at multiplexed loci.
  • Reviewing existing literature on microhaplotype applications.

Main Results:

  • Microhaplotypes offer enhanced individualization capabilities in forensic genetics.
  • They are valuable for biogeographic ancestry inference and mixture deconvolution.
  • Applications extend to missing person identification and relationship testing.

Conclusions:

  • Microhaplotype markers, when analyzed with MPS, provide powerful tools for forensic genetics.
  • Their utility extends beyond human identification to broader genetic applications.