Highly parallel gene-to-BAC addressing using microarrays

Hui Liu, Jim McNicol, Micha Bayer, Jenny A Morris, Linda Cardle, David F Marshall, Daniela Schulte, Nils Stein, Bu-Jun Shi, Stefan Taudien, Robbie Waugh, Peter E Hedley

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


Second-generation sequencing now provides the potential for low-cost generation of whole-genome sequences. However, for large-genome organisms with high repetitive DNA content, genome-wide short read sequence assembly is currently impossible, with accurate ordering and localization of genes still relying heavily on integration with physical and genetic maps. To facilitate this process, we have used Agilent microarrays to simultaneously address thousands of gene sequences to individual BAC clones and contiguous sequences that form part of an emerging physical map of the large and currently unsequenced 5.3-Gb barley genome. The approach represents a cost-effective, highly parallel alternative to traditional addressing methods. By coupling the gene-to-BAC address data with gene-based molecular markers, thousands of BACs can be anchored directly to the genetic map, thereby generating a framework for orientating and ordering genes, and providing direct links to phenotypic traits.

Original languageEnglish
Pages (from-to)165-74
Number of pages10
Issue number3
Publication statusPrint publication - Mar 2011
Externally publishedYes


  • Chromosomes, Artificial, Bacterial
  • DNA, Plant/genetics
  • Genome, Plant
  • High-Throughput Nucleotide Sequencing/methods
  • Hordeum/genetics
  • Oligonucleotide Array Sequence Analysis/methods
  • Sequence Analysis, DNA/methods


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