ArticleBMC plant biology2018
Comparative root transcriptome of wild Arachis reveals NBS-LRR genes related to nematode resistance.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed.
- Disentangling Arachis response to biotic and abiotic stress using multi-transcriptomics integration.BMC plant biology · 2026Article
- Next-Generation Precision Breeding in Peanut (Insects · 2026Review
- miRNA-Mediated Regulation ofInternational journal of molecular sciences · 2025Article
- Functional Analysis of the NLR GeneGenes · 2025Article
- Ectopic expression of a truncated NLR gene from wildFrontiers in plant science · 2024Article
- The Stilbene Synthase Family inGenes · 2023Article
- Deciphering peanut complex genomes paves a way to understand its origin and domestication.Plant biotechnology journal · 2023Review
- Comprehensive Analysis and Functional Verification of theInternational journal of molecular sciences · 2023Article
- Advances in omics research on peanut response to biotic stresses.Frontiers in plant science · 2023Review
- Engineering Resistance againstPlants (Basel, Switzerland) · 2022Article
- Integrated Omic Approaches Reveal Molecular Mechanisms of Tolerance during Soybean andPlants (Basel, Switzerland) · 2022Article
- Transcriptome Responses of WildPlants (Basel, Switzerland) · 2022Article
- Defining the combined stress response in wild Arachis.Scientific reports · 2021Article
- Development and Genetic Characterization of Peanut Advanced Backcross Lines That Incorporate Root-Knot Nematode Resistance FromFrontiers in plant science · 2021Article
- Characterization of raffinose metabolism genes uncovers a wild Arachis galactinol synthase conferring tolerance to abiotic stresses.Scientific reports · 2020Article
- RNA-Seq revealed that infection with white tip nematodes could downregulate rice photosynthetic genes.Functional & integrative genomics · 2020Article
- Comparison ofAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2020Article
- Twelve complete chloroplast genomes of wild peanuts: great genetic resources and a better understanding of Arachis phylogeny.BMC plant biology · 2019Article
- Evolutionary balance between LRR domain loss and young NBS-LRR genes production governs disease resistance in Arachis hypogaea cv. Tifrunner.BMC genomics · 2019Article
- Contrasting Effects of WildFrontiers in plant science · 2019Article
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9 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe Root-Knot Nematode (RKN), Meloidogyne arenaria, significantly reduces peanut grain quality and yield worldwide. Whilst the cultivated species has low levels of resistance to RKN and other pests and diseases, peanut wild relatives (Arachis spp.) show rich genetic diversity and harbor high levels of resistance to many pathogens and environmental constraints. Comparative transcriptome analysis can be applied to identify candidate resistance genes.
resultsTranscriptome analysis during the early stages of RKN infection of two peanut wild relatives, the highly RKN resistant Arachis stenosperma and the moderately susceptible A. duranensis, revealed genes related to plant immunity with contrasting expression profiles. These included genes involved in hormone signaling and secondary metabolites production and also members of the NBS-LRR class of plant disease resistance (R) genes. From 345 NBS-LRRs identified in A.duranensis reference genome, 52 were differentially expressed between inoculated and control samples, with the majority occurring in physical clusters unevenly distributed on eight chromosomes with preferential tandem duplication. The majority of these NBS-LRR genes showed contrasting expression behaviour between A. duranensis and A. stenosperma, particularly at 6 days after nematode inoculation, coinciding with the onset of the Hypersensitive Response in the resistant species. The physical clustering of some of these NBS-LRR genes correlated with their expression patterns in the contrasting genotypes. Four NBS-LRR genes exclusively expressed in A. stenosperma are located within clusters on chromosome Aradu. A09, which harbors a QTL for RKN resistance, suggesting a functional role for their physical arrangement and their potential involvement in this defense response.
conclusionThe identification of functional novel R genes in wild Arachis species responsible for triggering effective defense cascades can contribute to the crop genetic improvement and enhance peanut resilience to RKN.
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