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Related Experiment Video

Updated: Jun 5, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
05:53

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

Multiplexed shotgun genotyping for rapid and efficient genetic mapping.

Peter Andolfatto1, Dan Davison, Deniz Erezyilmaz

  • 1Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. pandolfa@princeton.edu

Genome Research
|January 15, 2011
PubMed
Summary

This study introduces a new genotyping method using multiplexed shotgun sequencing to pinpoint recombination breakpoints efficiently. This approach enables high-resolution genetic mapping for applications like quantitative trait locus (QTL) mapping in many individuals simultaneously.

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Area of Science:

  • Genomics
  • Molecular Biology
  • Bioinformatics

Background:

  • Accurate identification of recombination breakpoints is crucial for genetic mapping.
  • Existing methods may lack the throughput or resolution for large-scale studies.

Purpose of the Study:

  • To develop a novel, accessible genotyping approach for simultaneous recombination breakpoint identification in numerous individuals.
  • To enable high-resolution genetic mapping for applications such as quantitative trait locus (QTL) mapping.

Main Methods:

  • A simple library construction protocol requiring minimal genomic DNA (10 ng/individual).
  • Multiplexed shotgun sequencing of bar-coded individuals.
  • Application of a Hidden Markov Model for accurate ancestry estimation across genomic locations.

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Related Experiment Videos

Last Updated: Jun 5, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
05:53

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

Infinium Assay for Large-scale SNP Genotyping Applications
13:33

Infinium Assay for Large-scale SNP Genotyping Applications

Published on: November 19, 2013

A Multi-detection Assay for Malaria Transmitting Mosquitoes
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A Multi-detection Assay for Malaria Transmitting Mosquitoes

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Main Results:

  • Successful mapping of a dominant marker allele in D. simulans to within 105 kb of its true position.
  • Genetic mapping of over 400 D. simulans contigs to linkage groups.
  • Estimation of recombination breakpoints to a median of 38-kb intervals with 96 individuals.

Conclusions:

  • The developed multiplexed sequencing approach provides high-resolution genotyping and recombination breakpoint mapping.
  • The method is accessible, cost-effective, and scalable for various genetic studies.
  • Potential for increased multiplexing and use of lower-divergence strains for enhanced resolution.