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Pangenome Analysis of Plant Transcripts and Coding Sequences.

Bruno Contreras-Moreira1, Álvaro Rodríguez Del Río2, Carlos P Cantalapiedra2

  • 1Estación Experimental de Aula Dei-CSIC, Zaragoza, Spain. bcontreras@eead.csic.es.

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Summary

This study presents a protocol for analyzing plant pangenomes using GET_HOMOLOGUES-EST software. It details methods for identifying core, accessory, and private genes to understand genetic diversity in plant populations.

Keywords:
CropsModel plantsPangene setPangenomePolyploidsScriptingWild plants

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Area of Science:

  • Plant genomics
  • Bioinformatics
  • Evolutionary biology

Background:

  • The pangenome encompasses all genetic material within a species, offering insights into population diversity.
  • Analyzing pangenomes is crucial for understanding genetic variation, especially in plants with large or heterozygous genomes.
  • Coding sequences are a small fraction of genomes, making pangenome analysis a cost-effective strategy.

Purpose of the Study:

  • To provide a detailed protocol for analyzing plant pangenome sets using GET_HOMOLOGUES-EST.
  • To guide researchers in installing and operating the software for pantranscriptome and gene set analysis.
  • To facilitate the identification and characterization of core, accessory, and private genes in plant populations.

Main Methods:

  • Step-by-step protocol for GET_HOMOLOGUES-EST software.
  • Installation and operational guidance for analyzing plant gene sets.
  • Methods for computing pangenome presence-absence matrices and identifying private genes.

Main Results:

  • A comprehensive guide for analyzing plant pangenomes is established.
  • The protocol enables the identification of core and accessory genes within plant species.
  • Methods for analyzing private genes and downstream phylogenetic analyses are detailed.

Conclusions:

  • The GET_HOMOLOGUES-EST protocol offers a cost-effective approach to plant pangenome analysis.
  • This method aids in understanding genetic diversity and evolutionary relationships in plants.
  • The protocol supports comprehensive analysis from gene identification to phylogenetic studies.