ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2020
Fine mapping of root lesion nematode (Pratylenchus thornei) resistance loci on chromosomes 6D and 2B of wheat.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 19 citations in OpenAlex.
- Genetic analysis of a quantitative trait locus associated with resistance to the root-lesion nematode Pratylenchus neglectus in triticale.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Genome-wide association mapping reveals novel genes and genomic regions controlling root-lesion nematode resistance in chickpea mini core collection.The plant genome · 2025Article
- A Quantitative Trait Locus with a Major Effect on Root-Lesion Nematode Resistance in Barley.Plants (Basel, Switzerland) · 2024Article
- GWAS scans of cereal cyst nematode (Heterodera avenae) resistance in Indian wheat germplasm.Molecular genetics and genomics : MGG · 2023Article
- Intelligent reprogramming of wheat for enhancement of fungal and nematode disease resistance using advanced molecular techniques.Frontiers in plant science · 2023Review
- Multi-locus genome-wide association study of chickpea reference set identifies genetic determinants ofFrontiers in plant science · 2023Article
- Time Course RNA-seq Reveals Soybean Responses against Root-Lesion Nematode and Resistance Players.Plants (Basel, Switzerland) · 2022Article
- A QTL on the Ca7 chromosome of chickpea affects resistance to the root-lesion nematodeMolecular breeding : new strategies in plant improvement · 2021Article
- Transcriptome analysis reveals key genes associated with root-lesion nematode Pratylenchus thornei resistance in chickpea.Scientific reports · 2021Article
- Metabolomic profiling of wheat genotypes resistant and susceptible to root-lesion nematode Pratylenchus thornei.Plant molecular biology · 2021Article
- Genome-wide association study in hexaploid wheat identifies novel genomic regions associated with resistance to root lesion nematode (Pratylenchus thornei).Scientific reports · 2021Article
- Constitutive and Induced Expression of Total Phenol and Phenol Oxidases in Wheat Genotypes Ranging in Resistance/Susceptibility to the Root-Lesion NematodePlants (Basel, Switzerland) · 2020Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageResistance QTL to root lesion nematode (Pratylenchus thornei) in wheat (Triticum aestivum), QRlnt.sk-6D and QRlnt.sk-2B, were mapped to intervals of 3.5 cM/1.77 Mbp on chromosome 6D and 1.4 cM/2.19 Mbp on chromosome 2B, respectively. Candidate resistance genes were identified in the QTL regions and molecular markers developed for marker-assisted breeding. Two previously known resistance QTL for root lesion nematode (Pratylenchus thornei) in bread wheat (Triticum aestivum), QRlnt.sk-6D and QRlnt.sk-2B, were fine-mapped using a Sokoll (moderately resistant) by Krichauff (susceptible) doubled haploid (DH) population and six newly developed recombinant inbred line populations. Bulked segregation analysis with the 90K wheat SNP array identified linked SNPs which were subsequently converted to KASP assays for mapping in the DH and RIL populations. On chromosome 6D, 60 KASP and five SSR markers spanned a total genetic distance of 23.7 cM. QRlnt.sk-6D was delimited to a 3.5 cM interval, representing 1.77 Mbp in the bread wheat cv. Chinese Spring reference genome sequence and 2.29 Mbp in the Aegilops tauschii genome sequence. These intervals contained 42 and 43 gene models in the respective annotated genome sequences. On chromosome 2B, 41 KASP and 5 SSR markers produced a map spanning 19.9 cM. QRlnt.sk-2B was delimited to 1.4 cM, corresponding 3.14 Mbp in the durum wheat cv. Svevo reference sequence and 2.19 Mbp in Chinese Spring. The interval in Chinese Spring contained 56 high-confidence gene models. Intervals for both QTL contained genes with similarity to those previously reported to be involved in disease resistance, namely genes for phenylpropanoid biosynthetic pathway-related enzymes, NBS-LRR proteins and protein kinases. The potential roles of these candidate genes in P. thornei resistance are discussed. The KASP markers reported in this study could potentially be used for marker-assisted breeding of P. thornei-resistant wheat cultivars.
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