ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2021
Genome-wide association study for resistance to the Meloidogyne javanica causing root-knot nematode in soybean.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 37 citations in OpenAlex.
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- Allelic variability in the Rpp1 locus conferring resistance to Asian soybean rust revealed by genome-wide association.BMC plant biology · 2024Article
- Genome-wide association study on resistance of cultivated soybean to Fusarium oxysporum root rot in Northeast China.BMC plant biology · 2023Article
- Transcriptome analysis of two tobacco varieties with contrast resistance toFrontiers in plant science · 2023Article
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- Genome-wide association study of powdery mildew resistance in cultivated soybean from Northeast China.Frontiers in plant science · 2023Article
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- Multi-locus genome-wide association study of chickpea reference set identifies genetic determinants ofFrontiers in plant science · 2023Article
- Integrated Omic Approaches Reveal Molecular Mechanisms of Tolerance during Soybean andPlants (Basel, Switzerland) · 2022Article
- Understanding Molecular Plant-Nematode Interactions to Develop Alternative Approaches for Nematode Control.Plants (Basel, Switzerland) · 2022Review
- Mapping Major Disease Resistance Genes in Soybean by Genome-Wide Association Studies.Methods in molecular biology (Clifton, N.J.) · 2022Review
- Leaf Transcriptome Analysis of Broomcorn Millet Uncovers Key Genes and Pathways in Response toInternational journal of molecular sciences · 2021Article
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageA locus on chromosome 13, containing multiple TIR-NB-LRR genes and SNPs associated with M. javanica resistance, was identified using a combination of GWAS, resequencing, genetic mapping and expression profiling. Meloidogyne javanica, a root-knot nematode, is an important problem in soybean-growing areas, leading to severe yield losses. Some accessions have been identified carrying resistance loci to this nematode. In this study, a set of 317 soybean accessions was characterized for resistance to M. javanica. A genome-wide association study was performed using SNPs from genotyping-by-sequencing, and a region of 29.2 kb on chromosome 13 was identified. An analysis of haplotypes showed that SNPs were able to discriminate between susceptible and resistant accessions, with 25 accessions sharing the haplotype associated with resistance. Furthermore, five accessions that exhibited resistance without carrying this haplotype may carry different loci conferring resistance to M. javanica. We also conducted the screening of the SNPs in the USDA soybean germplasm, revealing that several soybean accessions previously reported as resistant to other nematodes also shared the resistance haplotype on chromosome 13. Two SNP-based TaqMan® assays were developed and validated in two panels of soybean cultivars and in biparental populations. In silico analysis of the region associated with resistance identified the occurrence of genes with structural similarity with classical major resistance genes (NBS-LRR genes). Specifically, several nonsynonymous SNPs were observed in Glyma.13g194800 and Glyma.13g194900. The expression profile of these candidate genes demonstrated that the two gene models were up-regulated in the resistance source PI 505,099 after nematode infection. Overall, the SNPs associated with resistance and the genes identified constitute an important tool for introgression of resistance to the root-knot nematode by marker-assisted selection in soybean breeding programs.
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