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Versatile mapping-by-sequencing with Easymap v.2.

Samuel Daniel Lup1, Carla Navarro-Quiles1, José Luis Micol1

  • 1Instituto de Bioingeniería, Universidad Miguel Hernández, Elche, Spain.

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Summary
This summary is machine-generated.

Easymap v.2 is a new tool for mapping-by-sequencing that analyzes Next Generation Sequencing (NGS) data. It now maps small insertion/deletions (InDels) and offers new workflows for quantitative trait loci sequencing (QTL-seq) and variant density mapping.

Keywords:
QTL-seqforward geneticsmapping-by-sequencingnext generation sequencingvariant density mapping

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Area of Science:

  • Genetics
  • Bioinformatics
  • Genomics

Background:

  • Mapping-by-sequencing integrates Next Generation Sequencing (NGS) with genetic linkage analysis to link genes to phenotypes.
  • Existing NGS analysis tools are limited for mapping-by-sequencing applications.
  • Easymap is an established, user-friendly package for automated mapping of point mutations and large DNA insertions.

Purpose of the Study:

  • Introduce Easymap v.2, an enhanced tool for mapping-by-sequencing.
  • Expand Easymap's capabilities to include mapping of small insertion/deletions (InDels).
  • Incorporate new workflows for quantitative trait loci sequencing (QTL-seq) and variant density mapping analyses.

Main Methods:

  • Easymap v.2 supports diverse experimental designs (outcrossing, backcrossing, F2, M2, M3 populations).
  • It accommodates various mutation types (chemically induced, natural variants) and sequencing data (single-end, paired-end, genomic DNA, cDNA).
  • The tool accepts alternative control files in FASTQ and VCF formats and functions as a standalone variant analyzer.

Main Results:

  • Easymap v.2 successfully maps small insertion/deletions (InDels) in addition to existing capabilities.
  • New workflows for QTL-seq and variant density mapping are integrated.
  • The software offers flexibility for various genetic mapping strategies and data inputs.

Conclusions:

  • Easymap v.2 significantly advances mapping-by-sequencing analysis by including InDel mapping and specialized workflows.
  • The enhanced versatility supports a broader range of genetic research and experimental designs.
  • Easymap v.2 provides a robust and adaptable solution for variant analysis and gene-to-phenotype relationship studies.