Fishing for DNA? Designing baits for population genetics in target enrichment experiments: Guidelines, considerations and the new tool supeRbaits

Belén Jiménez-Mena, Hugo Flávio, Romina Henriques, Alice Manuzzi, Miguel Ramos, Dorte Meldrup, Janette Edson, Snæbjörn Pálsson, Guðbjörg Ásta Ólafsdóttir, Jennifer R. Ovenden, Einar Eg Nielsen

Research output: Contribution to journalArticlepeer-review

Abstract

Targeted sequencing is an increasingly popular next-generation sequencing (NGS) approach for studying populations that involves focusing sequencing efforts on specific parts of the genome of a species of interest. Methodologies and tools for designing targeted baits are scarce but in high demand. Here, we present specific guidelines and considerations for designing capture sequencing experiments for population genetics for both neutral genomic regions and regions subject to selection. We describe the bait design process for three diverse fish species: Atlantic salmon, Atlantic cod and tiger shark, which was carried out in our research group, and provide an evaluation of the performance of our approach across both historical and modern samples. The workflow used for designing these three bait sets has been implemented in the R-package supeRbaits, which encompasses our considerations and guidelines for bait design for the benefit of researchers and practitioners. The supeRbaits R-package is user-friendly and versatile. It is written in C++ and implemented in R. supeRbaits and its manual are available from Github: https://github.com/BelenJM/supeRbaits.

Original languageEnglish
Pages (from-to)2105-2119
Number of pages15
JournalMolecular Ecology Resources
Volume22
Issue number5
DOIs
Publication statusPublished - 18 Feb 2022

Bibliographical note

Funding Information: We thank Maj‐Britt Jacobsen, Britta Sønderskov Pedersen, Trine Rohde and Daniel Grundtvig Rosenstand Thomsen for their work at the laboratory processing the samples for the different studies, as well as James Henty Williams, Carl Hutter and two anonymous reviewers for useful comments on the manuscript. We thank Dominic Swift for access to the tiger shark transcriptome. We also thank Alison Devault and Brian Brunelle from Arbor Biosciences for clarifications on the MYBaits workflow and bait design. Figure 3c was created using a script developed by Stephen Turner ( https://gettinggeneticsdone.blogspot.com/2014/03/visualize‐coverage‐exome‐targeted‐ngs‐bedtools.html ). GENOJAWS was funded by the Australian Research Grant (DP170102043) and The Danish Council for Independent Research Grant DFF (6108‐00583). SDPAS project was funded by Innovationsfonden. CodStory was funded by the Icelandic Research Fund. Publisher Copyright: © 2022 DTU. Molecular Ecology Resources published by John Wiley & Sons Ltd.

Other keywords

  • Animals
  • DNA/genetics
  • Genetics, Population
  • Genomics/methods
  • High-Throughput Nucleotide Sequencing/methods
  • Hunting
  • R-package
  • Sequence Analysis, DNA/methods
  • ancient DNA
  • baits
  • capture sequencing
  • genomics
  • population genetics

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