Article

Plant Molecular Biology

, Volume 59, Issue 1, pp 53-62

First online:

The Oryza Map Alignment Project: The Golden Path to Unlocking the Genetic Potential of Wild Rice Species

  • Rod A. WingAffiliated withArizona Genomics Institute, The University of Arizona Email author 
  • , Jetty S. S. AmmirajuAffiliated withArizona Genomics Institute, The University of Arizona
  • , Meizhong LuoAffiliated withArizona Genomics Institute, The University of Arizona
  • , HyeRan KimAffiliated withArizona Genomics Institute, The University of Arizona
  • , Yeisoo YuAffiliated withArizona Genomics Institute, The University of Arizona
  • , Dave KudrnaAffiliated withArizona Genomics Institute, The University of Arizona
  • , Jose L. GoicoecheaAffiliated withArizona Genomics Institute, The University of Arizona
  • , Wenming WangAffiliated withArizona Genomics Institute, The University of Arizona
  • , Will NelsonAffiliated withArizona Genomics Computational Laboratory, The University of Arizona
    • , Kiran RaoAffiliated withArizona Genomics Computational Laboratory, The University of Arizona
    • , Darshan BrarAffiliated withInternational Rice Research Institute
    • , Dave J. MackillAffiliated withInternational Rice Research Institute
    • , Bin HanAffiliated withNational Center for Gene Research
    • , Cari SoderlundAffiliated withArizona Genomics Computational Laboratory, The University of Arizona
    • , Lincoln SteinAffiliated withCold Spring Harbor Laboratory, Cold Spring Harbor
    • , Phillip SanMiguelAffiliated withGenomics Core Facility, Purdue University
    • , Scott JacksonAffiliated withDepartment of Agronomy, Purdue University

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Abstract

The wild species of the genus Oryza offer enormous potential to make a significant impact on agricultural productivity of the cultivated rice species Oryza sativa and Oryza glaberrima. To unlock the genetic potential of wild rice we have initiated a project entitled the ‘Oryza Map Alignment Project’ (OMAP) with the ultimate goal of constructing and aligning BAC/STC based physical maps of 11 wild and one cultivated rice species to the International Rice Genome Sequencing Project’s finished reference genome – O. sativa ssp. japonica c. v. Nipponbare. The 11 wild rice species comprise nine different genome types and include six diploid genomes (AA, BB, CC, EE, FF and GG) and four tetrapliod genomes (BBCC, CCDD, HHKK and HHJJ) with broad geographical distribution and ecological adaptation. In this paper we describe our strategy to construct robust physical maps of all 12 rice species with an emphasis on the AA diploid O. nivara – thought to be the progenitor of modern cultivated rice.

Keywords

BAC-end sequencing comparative genomics physical mapping rice wild species