ArticleBMC plant biology2021
QTL dissection and mining of candidate genes for Ascochyta fabae and Orobanche crenata resistance in faba bean (Vicia faba L.).
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 18 citations in OpenAlex.
- Integrating genomics, multi-omics, CRISPR and speed breeding for stress-resilient vegetable legume improvement.Functional & integrative genomics · 2026Review
- Combining two high-density QTL maps with a reference genome to identify candidate genes for morphology, yield, and biotic resistance in faba bean (Frontiers in plant science · 2026Article
- Combination of QTL mapping and GWAS for fine mapping and gene mining of drought tolerance and seed yield components in faba bean (Vicia faba L.).BMC plant biology · 2025Article
- A high-density linkage map and fine QTL mapping of architecture, phenology, and yield-related traits in faba bean (Frontiers in plant science · 2025Article
- Genotype by environment interactions and phenotypic traits stability of the EUCLEG faba bean collection.Frontiers in plant science · 2024Article
- Identification of Faba bean genetic loci associated with quantitative resistance to the fungusFrontiers in plant science · 2024Article
- Host Resistance to Parasitic Plants-Current Knowledge and Future Perspectives.Plants (Basel, Switzerland) · 2023Review
- Construction of a high-density genetic map for faba bean (Frontiers in plant science · 2023Article
- Breeding and Genomics Interventions for Developing Ascochyta Blight Resistant Grain Legumes.International journal of molecular sciences · 2022Review
- A QTL approach in faba bean highlights the conservation of genetic control of frost tolerance among legume species.Frontiers in plant science · 2022Article
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2 authors at 1 institution in 1 country.
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Abstract
backgroundAscochyta blight caused by Ascochyta fabae Speg. and broomrape (Orobanche crenata) are among the economically most significant pathogens of faba bean. Several QTLs conferring resistance against the two pathogens have been identified and validated in different genetic backgrounds. The aim of this study was to saturate the most stable QTLs for ascochyta and broomrape resistance in two Recombinant Inbred Line (RIL) populations, 29H x Vf136 and Vf6 x Vf136, to identify candidate genes conferring resistance against these two pathogens.
resultsWe exploited the synteny between faba bean and the model species Medicago truncatula by selecting a set of 219 genes encoding putative WRKY transcription factors and defense related proteins falling within the target QTL intervals, for genotyping and marker saturation in the two RIL populations. Seventy and 50 of the candidate genes could be mapped in 29H x Vf136 and Vf6 x Vf136, respectively. Besides the strong reduction of the QTL intervals, the mapping process allowed replacing previous dominant and pedigree-specific RAPD flanking markers with robust and transferrable SNP markers, revealing promising candidates for resistance against the two pathogens.
conclusionsAlthough further efforts in association mapping and expression studies will be required to corroborate the candidate genes for resistance, the fine-mapping approach proposed here increases the genetic resolution of relevant QTL regions and paves the way for an efficient deployment of useful alleles for faba bean ascochyta and broomrape resistance through marker-assisted breeding.
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