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Record number 408217
Title Understanding and exploiting late blight resistance in the age of effectors
Author(s) Vleeshouwers, V.G.A.A.; Raffaele, S.; Vossen, J.H.; Champouret, N.; Oliva, R.F.; Segretin, M.E.; Rietman, H.; Cano, L.M.; Lokossou, A.A.; Kessel, G.J.T.; Pel, M.; Kamoun, S.
Source Annual Review of Phytopathology 49 (2011). - ISSN 0066-4286 - p. 507 - 531.
Department(s) Laboratory of Plant Breeding
WUR Plant Breeding
PRI BIOINT Ecological Interactions
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) phytophthora-infestans mont. - potato late blight - allele conferring resistance - tuberosum subsp tuberosum - broad-spectrum resistance - race-specific resistance - solanum section petota - zinc-finger nucleases - r-gene differentials - host-plant cells
Abstract Potato (Solanum tuberosum) is the world’s third-largest food crop. It severely suffers from late blight, a devastating disease caused by Phytophthora infestans. This oomycete pathogen secretes host-translocated RXLR effectors that include avirulence (AVR) proteins, which are targeted by resistance (R) proteins from wild Solanum species. Most Solanum R genes appear to have coevolved with P. infestans at its center of origin in central Mexico. Various R and Avr genes were recently cloned, and here we catalog characterized R-AVR pairs. We describe the mechanisms that P. infestans employs for evading R protein recognition and discuss partial resistance and partial virulence phenotypes in the context of our knowledge of effector diversity and activity. Genome-wide catalogs of P. infestans effectors are available, enabling effectoromics approaches that accelerate R gene cloning and specificity profiling. Engineering R genes with expanded pathogen recognition has also become possible. Importantly, monitoring effector allelic diversity in pathogen populations can assist in R gene deployment in agriculture
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