Development and validation of the Axiom(®) Apple480K SNP genotyping array

Publication Overview
TitleDevelopment and validation of the Axiom(®) Apple480K SNP genotyping array
AuthorsBianco L, Cestaro A, Linsmith G, Muranty H, Denance C, Théron A, Poncet C, Micheletti D, Kerschbamer E, Di Pierro EA, Larger S, Pindo M, van de Weg E, Davassi A, Laurens F, Velasco R, Durel CE, Troggio M
TypeJournal Article
Journal NameThe Plant journal : for cell and molecular biology
Year2016
CitationBianco L, Cestaro A, Linsmith G, Muranty H, Denance C, Théron A, Poncet C, Micheletti D, Kerschbamer E, Di Pierro EA, Larger S, Pindo M, van de Weg E, Davassi A, Laurens F, Velasco R, Durel CE, Troggio M. Development and validation of the Axiom(®) Apple480K SNP genotyping array. The Plant journal : for cell and molecular biology. 2016 Feb 26.

Abstract

Cultivated apple (Malus x domestica Borkh.) is one of the most important fruit crops in temperate regions, with great economic and cultural values. The apple genome is highly heterozygous and has undergone a recent duplication which, combined with a rapid LD decay, makes it difficult to perform genome-wide association (GWA) studies. Single nucleotide polymorphism arrays offer highly multiplexed assays at a relatively low cost per data point and can be a valid tool for the identification of the markers associated with traits of interest. Here, we describe the development and validation of a 487K SNP Affymetrix Axiom(®) genotyping array for apple and discuss its potential applications. The array has been built from the high-depth resequencing of 63 different cultivars covering most of the genetic diversity in cultivated apple. SNPs have been chosen by applying a focal points approach to enrich genic regions, but also to reach a uniform coverage of non-genic regions. A total of 1,324 apple accessions, including the 92 progenies of two mapping populations, have been genotyped with the Axiom(®) Apple480K to assess the effectiveness of the array. A large majority of SNPs (359,994; 74%) fell in the stringent class of Poly High Resolution polymorphisms. We also devised a filtering procedure to identify a subset of 275K very robust markers that can be safely used for germplasm surveys in apple. The Axiom(®) Apple480K has now been commercially released both for public and proprietary use and will likely be a reference tool for GWA studies in apple. This article is protected by copyright. All rights reserved.

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Pages

Properties
Additional details for this publication include:
Property NameValue
Publication ModelPrint-Electronic
ISSN1365-313X
eISSN1365-313X
Publication Date2016 Feb 26
Journal AbbreviationPlant J.
Elocation10.1111/tpj.13145
CopyrightThis article is protected by copyright. All rights reserved.
LanguageEnglish
Language AbbrENG
Publication TypeJournal Article
Cross References
This publication is also available in the following databases:
DatabaseAccession
PMID: PubMedPMID:26919684