SNPMeta: SNP annotation and SNP metadata collection without a reference genome

Thomas J.Y. Kono, Kiran Seth, Jesse A. Poland, Peter L. Morrell

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The increase in availability of resequencing data is greatly accelerating SNP discovery and has facilitated the development of SNP genotyping assays. This, in turn, is increasing interest in annotation of individual SNPs. Currently, these data are only available through curation, or comparison to a reference genome. Many species lack a reference genome, but are still important genetic models or are significant species in agricultural production or natural ecosystems. For these species, it is possible to annotate SNPs through comparison with cDNA, or data from well-annotated genes in public repositories. We present SNPMeta, a tool which gathers information about SNPs by comparison with sequences present in GenBank databases. SNPMeta is able to annotate SNPs from contextual sequence in SNP assay designs, and SNPs discovered through genotyping by sequencing (GBS) approaches. However, SNPs discovered through GBS occur throughout the genome, rather than only in gene space, and therefore do not annotate at high rates. SNPMeta can therefore be used to annotate SNPs in nonmodel species or species that lack a reference genome. Annotations generated by SNPMeta are highly concordant with annotations that would be obtained from a reference genome.

Original languageEnglish (US)
Pages (from-to)419-425
Number of pages7
JournalMolecular Ecology Resources
Volume14
Issue number2
DOIs
StatePublished - Mar 1 2014

Keywords

  • DbSNP
  • GenBank
  • Genotyping
  • Non-model organisms

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