ArticleHorticulture research2014
The inheritance of resistance to bacterial leaf spot of lettuce caused by Xanthomonas campestris pv. vitians in three lettuce cultivars.
Article in Horticulture research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 28 citations in OpenAlex.
- Integrative path modeling and QTL mapping identify maturity, stem strength, and cell wall composition driving lettuce resistance to Sclerotinia minor.Scientific reports · 2025Article
- A critical review on bioaerosols-dispersal of crop pathogenic microorganisms and their impact on crop yield.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2024Review
- Xanthomonas hortorum - beyond gardens: Current taxonomy, genomics, and virulence repertoires.Molecular plant pathology · 2022Article
- Comparative Genomic Analysis of the Lettuce Bacterial Leaf Spot Pathogen,Frontiers in microbiology · 2022Article
- Corrigendum: Comparative genomic analysis of the lettuce bacterial leaf spot pathogen,Frontiers in microbiology · 2022Article
- The genetics of resistance to lettuce drop (Sclerotinia spp.) in lettuce in a recombinant inbred line population from Reine des Glaces × Eruption.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- The Ionomics of Lettuce Infected byFrontiers in plant science · 2019Article
- Species-specific duplications of NBS-encoding genes in Chinese chestnut (Castanea mollissima).Scientific reports · 2015Article
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lettuce yields can be reduced by the disease bacterial leaf spot (BLS) caused by the pathogen Xanthomonas campestris pv. vitians (Xcv) and host resistance is the most feasible method to reduce disease losses. The cultivars La Brillante, Pavane and Little Gem express an incompatible host-pathogen interaction as a hypersensitive response (HR) to California strains of Xcv resulting in resistance. Little was known about the inheritance of resistance; however, resistance to other lettuce pathogens is often determined by resistance gene candidates (RGCs) encoding nucleotide-binding leucine-rich repeat (NB-LRR) proteins. Therefore, we determined the inheritance of BLS resistance in the cultivars La Brillante, Little Gem and Pavane and mapped it relative to RGCs. The reaction to Xcv was analyzed in nine F1, F2 and recombinant inbred line populations of lettuce from HR×compatible or HR×HR crosses. The HR in La Brillante, Pavane and Little Gem is conditioned by single dominant genes, which are either allelic or closely linked genes. The resistance gene in La Brillante was designated Xanthomonas resistance 1 (Xar1) and mapped to lettuce linkage group 2. Xar1 is present in a genomic region that contains numerous NB-LRR encoding RGCs and functional pathogen resistance loci in the RGC2 family. The Xar1 gene confers a high level of BLS resistance in the greenhouse and field that can be introgressed into commercial lettuce cultivars to reduce BLS losses using molecular markers.
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Registered trials
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