Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Inference of human geographic origins using Alu insertion polymorphisms.

David A Ray1, Jerilyn A Walker, Ashley Hall

  • 1Department of Biological Sciences, Biological Computation and Visualization Center, Louisiana State University, 202 Life Sciences Building, Baton Rouge, LA 70803, USA.

Forensic Science International
|September 6, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The next frontier in forensic genetics: Single-cell genetic analysis and its expanding role.

Forensic science international. Genetics·2026
Same author

Forensic trace DNA analysis to answer activity-level questions in a realistic-scenario activity study based upon the case of Idaho v Bryan C. Kohberger.

Forensic science international. Synergy·2026
Same author

Valosin-Containing Protein Contributes to Plexiform Neurofibroma Formation and Represents a Novel Therapeutic Target.

Cells·2026
Same author

Howler monkey Platy-1 and Alu SINEs: a resource for Alouatta genomics.

Mobile DNA·2026
Same author

Greywater treatment using treatment wetland systems - five cases from Northern Europe.

Water science and technology : a journal of the International Association on Water Pollution Research·2026
Same author

Platy-1 SINEs from Thirteen Diverse Genomes Reveal Callithrichidae Unique Amplification, Recent <i>Alouatta</i> Mobilization and Insights into Platyrrhine Phylogenetics.

Genes·2026

Short interspersed elements (SINEs) offer a homoplasy-free method for determining geographic ancestry. This new technique accurately identified the origin of 18 unknown individuals, proving valuable for forensic genomics.

Area of Science:

  • Forensic Genomics
  • Population Genetics
  • Molecular Anthropology

Background:

  • Geographic ancestry inference is crucial for criminal investigations.
  • Current methods using single nucleotide polymorphisms (SNPs) can suffer from homoplasy.
  • Short interspersed elements (SINEs) offer a homoplasy-free alternative.

Purpose of the Study:

  • To evaluate the efficacy of SINE polymorphisms, specifically Alu insertions, for inferring human geographic ancestry.
  • To present a novel, homoplasy-free genotyping method for forensic applications.

Main Methods:

  • Utilized 100 Alu insertion polymorphisms for genotyping.
  • Conducted a blind study on 18 individuals from diverse geographic locations.
  • Employed Structure analysis for inferring geographic affiliation from genotypes.

Related Experiment Videos

Main Results:

  • Successfully inferred the geographic ancestry of all 18 unknown individuals with high confidence.
  • Demonstrated the homoplasy-free nature of SINE polymorphisms in ancestry inference.
  • Confirmed the cost-effectiveness and reliability of SINE genotyping.

Conclusions:

  • Alu insertion polymorphisms provide a robust and accurate method for determining geographic ancestry.
  • This SINE-based technique is a valuable tool for forensic genomics.
  • The homoplasy-free nature of SINEs enhances the reliability of ancestry inference in forensic investigations.