Diversity Arrays Technology (DArT) for whole-genome profiling of barley

Peter Wenzl, Jason Carling, David A Kudrna, Damian Jaccoud, Eric Huttner, Andris Kleinhofs, Andrzej Kilian

Research output: Contribution to journalArticle

363 Citations (Scopus)

Abstract

Diversity Arrays Technology (DArT) can detect and type DNA variation at several hundred genomic loci in parallel without relying on sequence information. Here we show that it can be effectively applied to genetic mapping and diversity analyses of barley, a species with a 5,000-Mbp genome. We tested several complexity reduction methods and selected two that generated the most polymorphic genomic representations. Arrays containing individual fragments from these representations generated DArT fingerprints with a genotype call rate of 98.0% and a scoring reproducibility of at least 99.8%. The fingerprints grouped barley lines according to known genetic relationships. To validate the Mendelian behavior of DArT markers, we constructed a genetic map for a cross between cultivars Steptoe and Morex. Nearly all polymorphic array features could be incorporated into one of seven linkage groups (98.8%). The resulting map comprised ≈385 unique DArT markers and spanned 1,137 centimorgans. A comparison with the restriction fragment length polymorphism-based framework map indicated that the quality of the DArT map was equivalent, if not superior, to that of the framework map. These results highlight the potential of DArT as a generic technique for genome profiling in the context of molecular breeding and genomics.

Original languageEnglish (US)
Pages (from-to)9915-9920
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume101
Issue number26
DOIs
StatePublished - Jun 29 2004

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Hordeum
Genome
Technology
Dermatoglyphics
DNA Shuffling
Genomics
Restriction Fragment Length Polymorphisms
Genotype
DNA

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Diversity Arrays Technology (DArT) for whole-genome profiling of barley. / Wenzl, Peter; Carling, Jason; Kudrna, David A; Jaccoud, Damian; Huttner, Eric; Kleinhofs, Andris; Kilian, Andrzej.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 101, No. 26, 29.06.2004, p. 9915-9920.

Research output: Contribution to journalArticle

Wenzl, Peter ; Carling, Jason ; Kudrna, David A ; Jaccoud, Damian ; Huttner, Eric ; Kleinhofs, Andris ; Kilian, Andrzej. / Diversity Arrays Technology (DArT) for whole-genome profiling of barley. In: Proceedings of the National Academy of Sciences of the United States of America. 2004 ; Vol. 101, No. 26. pp. 9915-9920.
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