ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2018
QTL mapping of downy and powdery mildew resistances in PI 197088 cucumber with genotyping-by-sequencing in RIL population.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 2 of them syntheses that pooled it.
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38 citing papers in PubMed, 2 syntheses or guidelines pooled it, 85 citations in OpenAlex.
- Integrated Meta-QTL analysis and transcriptomic profiling reveal genomic regions for fruit quality, abiotic and biotic stress resilience in cucumber (Cucumis sativus L.).BMC plant biology · 2026Pooled it
- Multi-omics revolution to promote plant breeding efficiency.Frontiers in plant science · 2022Pooled it
- Comparative Transcriptomics Reveals Defense Mechanisms AgainstPlants (Basel, Switzerland) · 2026Article
- Genomics assisted breeding for mildew resistance in cucumber: from gene discovery to future innovations.Plant molecular biology · 2026Review
- Review
- Photosystem Perturbation by Staygreen Mutations Confers Allele-Dependent Defences Against Infections of Pathogens With Different Lifestyles and Abiotic Stress Tolerance.Plant, cell & environment · 2026Article
- Transfer of Downy Mildew Resistance Genes from Wild Cucumbers to Beit Alpha Types.Journal of fungi (Basel, Switzerland) · 2025Article
- Genetic Insights and Molecular Breeding Approaches for Downy Mildew Resistance in Cucumber (International journal of molecular sciences · 2024Review
- The mutant STAY-GREEN (Molecular breeding : new strategies in plant improvement · 2024Article
- CsMLO8/11 are required for full susceptibility of cucumber stem to powdery mildew and interact with CsCRK2 and CsRbohD.Horticulture research · 2024Article
- Genome-Wide Association Studies Reveal Candidate Genes Related to Stem Diameter in Cucumber (Genes · 2022Article
- Recent status of Genotyping by Sequencing (GBS) Technology in cucumber (Cucumis sativus L.): a review.Molecular biology reports · 2022Review
- Multiple Stressors in Vegetable Production: Insights for Trait-Based Crop Improvement in Cucurbits.Frontiers in plant science · 2022Review
- Research Advances in Genetic Mechanisms of Major Cucumber Diseases Resistance.Frontiers in plant science · 2022Review
- Chemical induction of leaf senescence and powdery mildew resistance involves ethylene-mediated chlorophyll degradation and ROS metabolism in cucumber.Horticulture research · 2022Article
- Construction of a high-density genetic linkage map and QTL analysis of morphological traits in an F1Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Review
- QTL mapping of resistance to Pseudoperonospora cubensis clade 1, mating type A2, in Cucumis melo.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Identification of quantitative trait loci for powdery mildew resistance in highly resistant cucumber (Breeding science · 2021Article
- The amino acid permease (AAP) genes CsAAP2A and SlAAP5A/B are required for oomycete susceptibility in cucumber and tomato.Molecular plant pathology · 2021Article
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Authors and funding
5 authors at 4 institutions in 2 countries.
Funding
Abstract
key messageHost resistances in PI 197088 cucumber to downy and powdery mildew pathogens are conferred by 11 (3 with major effect) and 4 (1 major effect) QTL, respectively, and three of which are co-localized. The downy mildew (DM) and powdery mildew (PM) are the two most important foliar diseases of cucurbit crops worldwide. The cucumber accession PI 197088 exhibits high-level resistances to both pathogens. Here, we reported QTL mapping results for DM and PM resistances with 148 recombinant inbred lines from a cross between PI 197088 and the susceptible line 'Coolgreen'. Phenotypic data on responses to natural DM and PM infection were collected in multi-year and multi-location replicated field trials. A high-density genetic map with 2780 single nucleotide polymorphisms (SNPs) from genotyping-by-sequencing and 55 microsatellite markers was developed, which revealed genomic regions with segregation distortion and mis-assemblies in the '9930' cucumber draft genome. QTL analysis identified 11 and 4 QTL for DM and PM resistances accounting for more than 73.5 and 63.0% total phenotypic variance, respectively. Among the 11 DM resistance QTL, dm5.1, dm5.2, and dm5.3 were major-effect contributing QTL, whereas dm1.1, dm2.1, and dm6.2 conferred susceptibility. Of the 4 QTL for PM resistance, pm5.1 was the major-effect QTL explaining 32.4% phenotypic variance and the minor-effect QTL pm6.1 contributed to disease susceptibility. Three PM QTL, pm2.1, pm5.1, and pm6.1, were co-localized with DM QTL dm2.1, dm5.2, and dm6.1, respectively, which was consistent with the observed linkage of PM and DM resistances in PI 197088. The genetic architecture of DM resistance in PI 197088 and another resistant line WI7120 (PI 330628) was compared, and the potential of using PI 197088 in cucumber breeding for downy and powdery mildew resistances is discussed.
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