High-Resolution Mapping of Two Broad-Spectrum Late Blight Resistance Genes from Two Wild Species of the Solanum circaeifolium Group

E.C. Verzaux, G. van Arkel, V.G.A.A. Vleeshouwers, E.A.G. van der Vossen, R.E. Niks, E. Jacobsen, J.H. Vossen, R.G.F. Visser

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)

Abstract

High levels of resistance to Phytophthora infestans in Solanum are predominantly based on the gene-for-gene interaction. Identification of hitherto unknown R genes is essential for future pyramiding approaches. This could be achieved either through classic introgression breeding or through cisgenesis and could lead to sustainable control of late blight. Here, we report on the mapping of Rpi-cap1 and Rpi-qum1, two late blight R genes identified in the wild species Solanum capsicibaccatum and Solanum circaeifolium ssp. quimense, respectively, to very similar positions on the long arm of chromosome 11. Despite the difficulties encountered for marker development, a high-resolution genetic map with cleaved amplified polymorphic sequence markers was constructed. Furthermore, an R gene cluster-directed profiling approach led to the development of markers that closely
Original languageEnglish
Pages (from-to)109-123
JournalPotato Research
Volume55
Issue number2
DOIs
Publication statusPublished - 2012

Keywords

  • phytophthora-infestans resistance
  • potato-virus-y
  • disease resistance
  • nb-lrr
  • plants
  • cisgenesis
  • strategies
  • organisms
  • cloning
  • genome

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