ArticleFrontiers in plant science2023
Genome-wide association identifies key loci controlling blackberry postharvest quality.
Article in Frontiers in plant science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- Article
- Improving the Antioxidant Potential of Berry Crops Through Genomic Advances and Modern Agronomic and Breeding Tools.Biotech (Basel (Switzerland)) · 2025Review
- Genetic control of prickles in tetraploid blackberry.G3 (Bethesda, Md.) · 2025Article
- A chromosome-scale and haplotype-resolved genome assembly of tetraploid blackberry (Horticulture research · 2025Article
- Genetic control of sweetness and acidity in blackberry.Frontiers in plant science · 2025Article
- Alpha-expansins: more than three decades of wall creep and loosening in fruits.Plant molecular biology · 2024Review
- ShinyFruit: interactive fruit phenotyping software and its application in blackberry.Frontiers in plant science · 2023Article
- A QTL on chromosome 17 identified by Genome-Wide Association Mapping controls postharvest cold tolerance of Cucurbita pepo L.Physiologia plantarumArticle
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: Blackberry ( Methods: We conducted a genome-wide association of fruit firmness and RDR measured in 300 tetraploid fresh-market blackberry genotypes from 2019-2021 with 65,995 SNPs concentrated in genic regions of the Results: Fruit firmness and RDR had entry-mean broad sense heritabilities of 68% and 34%, respectively. Three variants on homologs of polygalacturonase (PG), pectin methylesterase (PME), and glucan endo-1,3-β-glucosidase explained 27% of variance in fruit firmness and were located on chromosomes Ra06, Ra01, and Ra02, respectively. Another PG homolog variant on chromosome Ra02 explained 8% of variance in RDR, but it was in strong linkage disequilibrium with 212 other RDR-associated SNPs across a 23 Mb region. A large cluster of six PME and PME inhibitor homologs was located near the fruit firmness quantitative trait locus (QTL) identified on Ra01. RDR and fruit firmness shared a significant negative correlation ( Discussion: Our work demonstrates the complex nature of postharvest quality traits in blackberry, which are likely controlled by many small-effect QTLs. This study is the first large-scale effort to map the genetic control of quantitative traits in blackberry and provides a strong framework for future GWAS. Phenotypic and genotypic datasets may be used to train genomic selection models that target the improvement of postharvest quality.
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