Barley genetic variation: Implications for crop improvement

María Muñoz-Amatriaín, Alfonso Cuesta-Marcos, Patrick M. Hayes, Gary J. Muehlbauer

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Genetic variation is crucial for successful barley improvement.Genomic technologies are improving dramatically and are providing access to the genetic diversity within this important crop species. Diverse collections of barley germplasm are being assembled and mined via genome-wide association studies and the identified variation can be linked to the barley sequence assembly. Introgression of favorable alleles via marker-assisted selection is now faster and more efficient due to the availability of single nucleotide polymorphism platforms.High-throughput genotyping is also making genomic selection an essential tool in modern barley breeding. Contemporary plant breeders now benefit from publicly available user-friendly databases providing genotypic and phenotypic information on large numbers of barley accessions. These resources facilitate access to allelic variation. In this review we explore how the most recent genomics and molecular breeding advances are changing breeding practices. The Coordinated Agricultural Projects (CAPs), Barley CAP and Triticeae CAP coupled with international collaborations, are discussed in detail as examples of a collaborative approach to exploit diverse germplasm resources for barley improvement.

Original languageEnglish (US)
Article numberelu006
Pages (from-to)341-350
Number of pages10
JournalBriefings in Functional Genomics and Proteomics
Issue number4
StatePublished - Jul 2014


  • Barley
  • Breeding
  • Genome-wide association studies
  • Genotyping
  • Germplasm


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