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Cited by 698

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Genomic Selection in Wheat Breeding using Genotyping‐by‐Sequencing

Open access
Poland, Jesse, Endelman, Jeffrey, Dawson, Julie, Rutkoski, Jessica, Wu, Shuangye, Manes, Yann, Dreisigacker, Susanne, Crossa, José, Sánchez‐Villeda, Héctor, Sorrells, Mark, Jannink, Jean‐Luc·2012·The Plant Genome

Abstract

Genomic selection (GS) uses genomewide molecular markers to predict breeding values and make selections of individuals or breeding lines prior to phenotyping. Here we show that genotyping‐by‐sequencing (GBS) can be used for de novo genotyping of breeding panels and to develop accurate GS models, even for the large, complex, and polyploid wheat ( Triticum aestivum L.) genome. With GBS we discovered 41,371 single nucleotide polymorphisms (SNPs) in a set of 254 advanced breeding lines from CIMMYT's semiarid wheat breeding program. Four different methods were evaluated for imputing missing marker scores in this set of unmapped markers, including random forest regression and a newly developed multivariate‐normal expectation‐maximization algorithm, which gave more accurate imputation than heterozygous or mean imputation at the marker level, although no significant differences were observed in the accuracy of genomic‐estimated breeding values (GEBVs) among imputation methods. Genomic‐estimated breeding value prediction accuracies with GBS were 0.28 to 0.45 for grain yield, an improvement of 0.1 to 0.2 over an established marker platform for wheat. Genotyping‐by‐sequencing combines marker discovery and genotyping of large populations, making it an excellent marker platform for breeding applications even in the absence of a reference genome sequence or previous polymorphism discovery. In addition, the flexibility and low cost of GBS make this an ideal approach for genomics‐assisted breeding.

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Crossref · 10.3835/plantgenome2012.06.0006

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Metadata

Authors
Poland, J., Endelman, J., Dawson, J., Rutkoski, J., Wu, S., Manes, Y., Dreisigacker, S., Crossa, J., Sánchez‐Villeda, H., Sorrells, M., & Jannink, J.
Venue
The Plant Genome
Publisher
Wiley
Published
2012-11
Volume
5
Issue
3
ISSN
1940-3372 (ISSN-L)
OpenAlex
W2112484080
Cited by
698
References
28
FWCI
17.72
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Genomic Selection in Wheat Breeding using Genotyping‐by‐Sequencing. https://app.cochat.ai/papers/10.3835/plantgenome2012.06.0006
The paper
Poland, J., Endelman, J., Dawson, J., Rutkoski, J., Wu, S., Manes, Y., Dreisigacker, S., Crossa, J., Sánchez‐Villeda, H., Sorrells, M., & Jannink, J. (2012). Genomic Selection in Wheat Breeding using Genotyping‐by‐Sequencing. The Plant Genome. https://doi.org/10.3835/plantgenome2012.06.0006

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