ArticleGenes2025
Quantitative Trait Locus Mapping and Candidate Gene Identification for Fruit Acidity in Chinese Dwarf Cherry (
Article in Genes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Development and application of KASP molecular marker for accelerated breeding of low-acid Cerasus humilis cultivars.Plant cell reports · 2026Article
- A low-damage electric harvesting system for lodging-proneFrontiers in plant science · 2026Article
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Authors and funding
3 authors.
Funding
Abstract
BACKGROUND/
objectivesThe Chinese dwarf cherry (
methodsRestriction site-associated DNA sequencing (RAD-seq) was used to develop single-nucleotide polymorphism (SNP) markers and construct a high-density genetic linkage map. Using two years of fruit titratable acidity phenotypic data, quantitative trait locus (QTL) mapping and candidate gene screening were performed.
resultsThe genetic map contained 2491 SNP markers, assigned to eight linkage groups. The total genetic distance was 672.71 cm, with an average distance of 0.27 cm between markers, indicating high map quality. QTL mapping identified 18 loci associated with fruit titratable acidity, including 11 major-effect QTLs (logarithm of odds, LOD ≥ 3.5). These major-effect QTLs were concentrated on linkage groups LG2 and LG5, with an explained phenotypic variation of 8.6-31.13%. Two candidate genes were identified within QTL intervals: phosphoester phosphatase and MATE transmembrane transporter. The phosphatase gene's expression showed a strong correlation with titratable acid content (
conclusionsThis study supports marker-assisted breeding of low-acid, fresh-eating varieties, aiding commercial promotion of
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