ArticleThe plant genome2021
Genome-wide association mapping identifies novel loci underlying fire blight resistance in apple.
Article in The plant genome, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 19 citations in OpenAlex.
- Development of an open-pollinated genetic mapping framework to facilitate the identification of QTL in apples.The plant genome · 2026Article
- Molecular insights and integrated management of Glomerella leaf spot in apple.Horticulture research · 2026Review
- Identifying candidate genes for trichome traits in grapevine through a genome-wide association study.BMC genomics · 2026Article
- Unveiling genetic diversity and population structure in jackfruit (Artocarpus heterophyllus) through SNP markers for enhanced breeding and conservation.BMC plant biology · 2026Article
- Low-density SNP marker sets for genetic variation analysis and variety identification in cultivated citrus.BMC plant biology · 2025Article
- Genetic dissection of maize (Zea maysL.) trace element traits using genome-wide association studies.BMC plant biology · 2023Article
- Susceptibility Evaluation to Fire Blight and Genome-Wide Associations within a Collection of Asturian Apple Accessions.Plants (Basel, Switzerland) · 2023Article
- Fruit growth and development in apple: a molecular, genomics and epigenetics perspective.Frontiers in plant science · 2023Review
- Two decades of association mapping: Insights on disease resistance in major crops.Frontiers in plant science · 2022Review
- Genome-wide association mapping identifies novel loci underlying fire blight resistance in apple.The plant genome · 2021Article
- Identification of Novel Quantitative Trait Nucleotides and Candidate Genes for Bacterial Wilt Resistance in Tobacco (Frontiers in plant science · 2021Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fire blight, caused by epiphytotic gram-negative bacteria Erwinia amylovora, is the most destructive bacterial disease of apple (Malus spp.). Genetic mechanisms of fire blight resistance have mainly been studied using traditional biparental quantitative trait loci (QTL) mapping approaches. Here, we use large-scale historic shoot and blossom fire blight data collected over multiple years and genotyping-by-sequencing (GBS) markers to identify significant marker-trait associations in a diverse set of 566 apple [Malus domestica (Suckow) Borkh.] accessions. There was large variation in fire blight resistance and susceptibility in these accessions. We identified 23 and 38 QTL significantly (p < .001) associated with shoot and blossom blight resistance, respectively. The QTL are distributed across all 17 chromosomes of apple. Four shoot blight and 19 blossom blight QTL identified in this study colocalized with previously identified QTL associated with resistance to fire blight or apple scab. Using transcriptomics data of two apple cultivars with contrasting fire blight responses, we also identified candidate genes for fire blight resistance that are differentially expressed between resistant and susceptible cultivars and located within QTL intervals for fire blight resistance. However, further experiments are needed to confirm and validate these marker-trait associations and develop diagnostic markers before use in marker-assisted breeding to develop apple cultivars with decreased fire blight susceptibility.
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