A pigeonpea gene confers resistance to Asian soybean rust in soybean

Cintia G. Kawashima, Gustavo Augusto Guimaraes, Sonia Regina Nogueira, Dan Maclean, Doug R. Cook, Burkhard Steuernagel, Jongmin Baek, Costas Bouyioukos, Bernardo do V A Melo, Gustavo Tristao, Jamile Camargos de Oliveira, Gilda Rauscher, Shipra Mittal, Lisa Panichelli, Karen Bacot, Ebony Johnson, Geeta Iyer, Girma Tabor, Brande B. H. Wulff, Eric WardGregory J. Rairdan, Karen E. Broglie, Gusui Wu, H. Peter Van Esse, Jonathan D. G. Jones, Sergio H. Brommonschenkel

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Asian soybean rust (ASR), caused by the fungus Phakopsora pachyrhizi, is one of the most economically important crop diseases, but is only treatable with fungicides, which are becoming less effective owing to the emergence of fungicide resistance. There are no commercial soybean cultivars with durable resistance to P. pachyrhizi, and although soybean resistance loci have been mapped, no resistance genes have been cloned. We report the cloning of a P. pachyrhizi resistance gene CcRpp1 (Cajanus cajan Resistance against Phakopsora pachyrhizi 1) from pigeonpea (Cajanus cajan) and show that CcRpp1 confers full resistance to P. pachyrhizi in soybean. Our findings show that legume species related to soybean such as pigeonpea, cowpea, common bean and others could provide a valuable and diverse pool of resistance traits for crop improvement.
Original languageEnglish
Pages (from-to)661–665
Number of pages5
JournalNature Biotechnology
Issue number6
Early online date25 Apr 2016
Publication statusPublished - Jun 2016


  • Biotic
  • Molecular engineering in plants

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