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 Concept Videos

Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...

You might also read

Related Articles

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

Sort by
Same author

Compartmentalization of ceramide signaling: physical foundations and biological effects.

Journal of cellular physiology·2000
Same author

[VIGILA: a tool for the epidemiologic surveillance of transmissible diseases].

Revista cubana de medicina tropical·2000
Same author

HLA-DR51 expression failure caused by a two-base deletion at exon 2 of a DRB5 null allele (DRB5*0110N) in a Spanish gypsy family.

Tissue antigens·2000
Same author

Stenotrophomonas maltophilia D457R contains a cluster of genes from gram-positive bacteria involved in antibiotic and heavy metal resistance.

Antimicrobial agents and chemotherapy·2000
Same author

A randomized field trial of ACINDES: a child-centered training model for children with chronic illnesses (asthma and epilepsy).

Journal of urban health : bulletin of the New York Academy of Medicine·2000
Same author

When goodbye precedes hello: a "premature" termination.

Harvard review of psychiatry·2000

Related Experiment Video

Updated: Jun 27, 2026

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing
07:24

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing

Published on: February 10, 2023

2006 GEP-ISFG collaborative exercise on mtDNA: reflections about interpretation, artefacts, and DNA mixtures.

L Prieto1, A Alonso, C Alves

  • 1Comisaría General de Policía Científica, DNA Laboratory, Madrid, Spain. lourditasmt@ya.com

Forensic Science International. Genetics
|December 17, 2008
PubMed
Summary

The seventh mitochondrial DNA (mtDNA) collaborative exercise showed moderate success rates in forensic testing. Errors in mtDNA analysis often stem from misinterpreting electropherograms, highlighting the need for robust experimental methods.

More Related Videos

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence
11:49

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Published on: March 9, 2015

High-Throughput Image-Based Quantification of Mitochondrial DNA Synthesis and Distribution
10:47

High-Throughput Image-Based Quantification of Mitochondrial DNA Synthesis and Distribution

Published on: May 5, 2023

Related Experiment Videos

Last Updated: Jun 27, 2026

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing
07:24

Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing

Published on: February 10, 2023

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence
11:49

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Published on: March 9, 2015

High-Throughput Image-Based Quantification of Mitochondrial DNA Synthesis and Distribution
10:47

High-Throughput Image-Based Quantification of Mitochondrial DNA Synthesis and Distribution

Published on: May 5, 2023

Area of Science:

  • Forensic Science
  • Genetics
  • Molecular Biology

Background:

  • Mitochondrial DNA (mtDNA) analysis is crucial in forensic investigations.
  • Collaborative exercises assess laboratory performance and identify areas for improvement.

Purpose of the Study:

  • To evaluate the performance of laboratories in the seventh GEP-ISFG mitochondrial DNA (mtDNA) collaborative exercise.
  • To identify common sources of error in mtDNA testing for forensic applications.

Main Methods:

  • Participants analyzed simulated forensic samples, including blood stains and mixtures (hair-saliva, saliva-saliva).
  • Laboratories reported results, and success rates were calculated based on accurate haplotype determination.
  • Error analysis focused on identifying the root causes of discrepancies.

Main Results:

  • Moderate success rates were observed for blood stains (approximately 77%) and mixed samples (78.8% hair-saliva, 69.2% saliva-saliva).
  • Inexperienced laboratories contributed a significant portion of the errors.
  • The primary causes of errors were electropherogram misinterpretation and reading problems.

Conclusions:

  • The study underscores the importance of a well-devised experimental approach in mtDNA testing.
  • Continuous training and quality control are essential to minimize errors in forensic mtDNA analysis.
  • Addressing interpretation challenges in electropherograms is key to improving accuracy.