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Low impact of different SNP panels from two building-loci pipelines on RAD-Seq population genomic metrics: case study on five diverse aquatic species

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Autor:

Casanova, Adrián
Maroso, Francesco
Blanco, Andrés
Hermida, Miguel
Ríos, Néstor
García de Souza, Graciela Beatriz
Manuzzi, Alice
Zane, Lorenzo
Verissimo, Ana
García-Marín, José-Luís
Bouza, Carmen
Vera, Manuel
Martínez, Paulino

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Palabras clave:

STACKS 2
2b-RAD v2.1 pipeline
de novo approach
Bowtie 1
Reference genome approach
Bivalves
Fish
Population genomics

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Año de publicación:

2021

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Resumen:

Background: The irruption of Next-generation sequencing (NGS) and restriction site-associated DNA sequencing (RAD-seq) in the last decade has led to the identification of thousands of molecular markers and their genotyping for refined genomic screening. This approach has been especially useful for non-model organisms with limited genomic resources. Many building-loci pipelines have been developed to obtain robust single nucleotide polymorphism (SNPs) genotyping datasets using a de novo RAD-seq approach, i.e. without reference genomes. Here, the performances of two building-loci pipelines, STACKS 2 and Meyer’s 2b-RAD v2.1 pipeline, were compared using a diverse set of aquatic species representing different genomic and/or population structure scenarios. Two bivalve species (Manila clam and common edible cockle) and three fish species (brown trout, silver catfish and small-spotted catshark) were studied. Four SNP panels were evaluated in each species to test both different building-loci pipelines and criteria for SNP selection. Furthermore, for Manila clam and brown trout, a reference genome approach was used as control. Results: Despite different outcomes were observed between pipelines and species with the diverse SNP calling and filtering steps tested, no remarkable differences were found on genetic diversity and differentiation within species with the SNP panels obtained with a de novo approach. The main differences were found in brown trout between the de novo and reference genome approaches. Genotyped vs missing data mismatches were the main genotyping difference detected between the two building-loci pipelines or between the de novo and reference genome comparisons. Conclusions: Tested building-loci pipelines for selection of SNP panels seem to have low influence on population genetics inference across the diverse case-study scenarios here studied. However, preliminary trials with different bioinformatic pipelines are suggested to evaluate their influence on population parameters according with the specific goals of each study.

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Información complementaria: https://doi.org/10.1186/s12864-021-07465-w.

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BMC

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BMC Genomics, 2021, 22:150.

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Citación:

Casanova, A, Maroso, F, Blanco, A [y otros autores]. "Low impact of different SNP panels from two building-loci pipelines on RAD-Seq population genomic metrics: case study on five diverse aquatic species". BMC Genomics. [en línea] 2021, 22:150. 16 h. DOI: 10.1186/s12864-021-07465-w.

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1471-2164

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Licencia Creative Commons Atribución (CC - By 4.0)

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