The Oryza map alignment project: The golden path to unlocking the genetic potential of wild rice species

Rod A. Wing, Jetty S.S. Ammiraju, Meizhong Luo, Hye Ran Kim, Yeisoo Yu, Dave Kudrna, Jose L. Goicoechea, Wenming Wang, Will Nelson, Kiran Rao, Darshan Brar, Dave J. Mackill, Bin Han, Cari Soderlund, Lincoln Stein, Phillip SanMiguel, Scott Jackson

Research output: Contribution to journalArticlepeer-review

132 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)53-62
Number of pages10
JournalPlant Molecular Biology
Issue number1
StatePublished - Sep 2005


  • BAC-end sequencing
  • Comparative genomics
  • Physical mapping
  • Rice
  • Wild species

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Genetics
  • Plant Science


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