A receptor-like kinase enhances sunflower resistance to Orobanche cumana

Nat Plants. 2019 Dec;5(12):1211-1215. doi: 10.1038/s41477-019-0556-z. Epub 2019 Dec 9.


Orobanche cumana (sunflower broomrape) is an obligate parasitic plant that infects sunflower roots, causing yield losses. Here, by using a map-based cloning strategy, we identified HaOr7-a gene that confers resistance to O. cumana race F-which was found to encode a leucine-rich repeat receptor-like kinase. The complete HAOR7 protein is present in resistant lines of sunflower and prevents O. cumana from connecting to the vascular system of sunflower roots, whereas susceptible lines encode a truncated protein that lacks transmembrane and kinase domains.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Disease Resistance
  • Helianthus / growth & development
  • Helianthus / parasitology*
  • Orobanche / enzymology*
  • Orobanche / immunology
  • Orobanche / metabolism
  • Plant Proteins / genetics
  • Plant Proteins / immunology*
  • Protein Kinases / genetics
  • Protein Kinases / immunology*


  • Plant Proteins
  • Protein Kinases