ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2018
Mapping of a dominant rust resistance gene revealed two R genes around the major Rust_QTL in cultivated peanut (Arachis hypogaea L.).
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 15 papers.
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15 citing papers in PubMed, 31 citations in OpenAlex.
- Identification of Genomic Regions Associated with Peanut Rust Resistance by Genome-Wide Association Studies.Plants (Basel, Switzerland) · 2025Article
- Optimizing Peanut (Plants (Basel, Switzerland) · 2024Review
- Validation and identification of promising gene specific markers governing foliar disease resistance in groundnut (Arachis hypogaea L.).Molecular biology reports · 2024Article
- Thaumatin-like Proteins in Legumes: Functions and Potential Applications-A Review.Plants (Basel, Switzerland) · 2024Review
- AMMI and GGE biplot analysis of genotype by environment interaction for yield and yield contributing traits in confectionery groundnut.Scientific reports · 2024Article
- Effects of Peanut Rust Disease (Genes · 2024Review
- Advances in omics research on peanut response to biotic stresses.Frontiers in plant science · 2023Review
- The genusFrontiers in plant science · 2023Review
- Fine-mapping and gene candidate analysis for AhRt1, a major dominant locus responsible for testa color in cultivated peanut.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Identification of novel QTLs for late leaf spot resistance and validation of a major rust QTL in peanut (3 Biotech · 2020Article
- Article
- Evolutionary balance between LRR domain loss and young NBS-LRR genes production governs disease resistance in Arachis hypogaea cv. Tifrunner.BMC genomics · 2019Article
- Genome-wide identification of microsatellite markers from cultivated peanut (Arachis hypogaea L.).BMC genomics · 2019Article
- Identification of major consensus QTLs for seed size and minor QTLs for pod traits in cultivated groundnut (3 Biotech · 2019Article
- Sequencing Analysis of Genetic Loci for Resistance for Late Leaf Spot and Rust in Peanut (Frontiers in plant science · 2018Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageA consensus rust QTL was identified within a 1.25 cM map interval of A03 chromosome in cultivated peanut. This map interval contains a TIR-NB-LRR R gene and four pathogenesis-related genes. Disease resistance in plants is manifested due to the specific interaction between the R gene product and its cognate avirulence gene product (AVR) in the pathogen. Puccinia arachidis Speg. causes rust disease and inflicts economic damages to peanut. Till now, no experimental evidence is known for the action of R gene in peanut for rust resistance. A fine mapping approach towards the development of closely linked markers for rust resistance gene was undertaken in this study. Phenotyping of an RIL population at five environments for field rust score and subsequent QTL analysis has identified a 1.25 cM map interval that harbored a consensus major Rust_QTL in A03 chromosome. This Rust_QTL is flanked by two SSR markers: FRS72 and SSR_GO340445. Both the markers clearly identified strong association of the mapped region with rust reaction in both resistant and susceptible genotypes from a collection of 95 cultivated peanut germplasm. This 1.25 cM map interval contained 331.7 kb in the physical map of A. duranensis and had a TIR-NB-LRR category R gene (Aradu.Z87JB) and four glucan endo-1,3 β glucosidase genes (Aradu.RKA6 M, Aradu.T44NR, Aradu.IWV86 and Aradu.VG51Q). Another resistance gene analog was also found in the vicinity of mapped Rust_QTL. The sequence between SSR markers, FRS72 and FRS49, contains an LRR-PK (Aradu.JG217) which is equivalent to RHG4 in soybean. Probably, the protein kinase domain in AhRHG4 acts as an integrated decoy for the cognate AVR from Puccinia arachidis and helps the TIR-NB-LRR R-protein to initiate a controlled program cell death in resistant peanut plants.
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