ArticleScientific reports2021
Identification of resistance loci against new pathotypes of Plasmodiophora brassicae in Brassica napus based on genome-wide association mapping.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 25 citations in OpenAlex.
- Identification of Rcr12, a single dominant clubroot resistance gene near Rcr6 on chromosome B3 of Brassica nigra.BMC plant biology · 2025Article
- Identification of three novel QTL for resistance to highly aggressive Canadian strains ofFrontiers in plant science · 2025Article
- HO-CR and HOLL-CR: new forms of winter oilseed rape (Brassica napus L.) with altered fatty acid composition and resistance to selected pathotypes of Plasmodiophora brassicae (clubroot).Journal of applied genetics · 2024Article
- DArTseq-Based, High-Throughput Identification of Novel Molecular Markers for the Detection of Blackleg (International journal of molecular sciences · 2024Article
- Pathogen lifestyle determines host genetic signature of quantitative disease resistance loci in oilseed rape (Brassica napus).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- A CRISPR/Cas9-based vector system enables the fast breeding of selection-marker-free canola with Rcr1-rendered clubroot resistance.Journal of experimental botany · 2024Article
- Identification of QTLs for resistance to 10 pathotypes of Plasmodiophora brassicae in Brassica oleracea cultivar ECD11 through genotyping-by-sequencing.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Genetic and molecular analysis reveals that two major loci and their interaction confer clubroot resistance in canola introgressed from rutabaga.The plant genome · 2022Article
- Multi-Omics Approaches to Improve Clubroot Resistance in Brassica with a Special Focus onInternational journal of molecular sciences · 2022Review
- Review
- A Proteome-Level Investigation IntoFrontiers in plant science · 2022Article
- Multi-Omic Investigation of Low-Nitrogen Conditional Resistance to Clubroot RevealsFrontiers in plant science · 2022Article
- Identification of Two Major QTLs inFrontiers in plant science · 2021Article
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Genetic resistance is a successful strategy for management of clubroot (Plasmodiophora brassicae) of brassica crops, but resistance can break down quickly. Identification of novel sources of resistance is especially important when new pathotypes arise. In the current study, the reaction of 177 accessions of Brassica napus to four new, virulent pathotypes of P. brassicae was assessed. Each accession was genotyped using genotyping by sequencing to identify and map novel sources of clubroot resistance using mixed linear model (MLM) analysis. The majority of accessions were highly susceptible (70-100 DSI), but a few accessions exhibited strong resistance (0-20 DSI) to pathotypes 5X (21 accessions), 3A (8), 2B (7), and 3D (15), based on the Canadian Clubroot Differential system. In total, 301,753 SNPs were mapped to 19 chromosomes. Population structure analysis indicated that the 177 accessions belong to seven major populations. SNPs were associated with resistance to each pathotype using MLM. In total, 13 important SNP loci were identified, with 9 SNPs mapped to the A-genome and 4 to the C-genome. The SNPs were associated with resistance to pathotypes 5X (2 SNPs), 3A (4), 2B (5) and 3D (6). A Blast search of 1.6 Mb upstream and downstream from each SNP identified 13 disease-resistance genes or domains. The distance between a SNP locus and the nearest resistance gene ranged from 0.04 to 0.74 Mb. The resistant lines and SNP markers identified in this study can be used to breed for resistance to the most prevalent new pathotypes of P. brassicae in Canada.
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