ArticleJournal of experimental botany2017
Deciphering the Theobroma cacao self-incompatibility system: from genomics to diagnostic markers for self-compatibility.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 54 citations in OpenAlex.
- Stable Inheritance of Transgene and Yellow Fluorescent Protein Gene Expression in Progeny of Transgenic Cacao (Plants (Basel, Switzerland) · 2026Article
- Late-acting self-incompatibility in Asimina triloba: implications for the evolution of self-incompatibility in angiosperms.BMC plant biology · 2025Article
- Self-sterility, self-incompatibility and xenia: a review of the mechanisms of cross-pollination benefits in animal-pollinated crops.Annals of botany · 2025Review
- Article
- Genomic decoding of Theobroma grandiflorum (cupuassu) at chromosomal scale: evolutionary insights for horticultural innovation.GigaScience · 2024Article
- Heterosis patterns and sources of self-compatibility, cross-compatibility and key nut traits within single and double hybrid crosses of kola [Cola nitida (Vent) Schott and Endl.].Scientific reports · 2023Article
- Inflorescence Transcriptome Sequencing and Development of New EST-SSR Markers in Common Buckwheat (Plants (Basel, Switzerland) · 2022Article
- Article
- Article
- Do s genes or deleterious recessives control late-acting self-incompatibility in Handroanthus heptaphyllus (Bignoniaceae)? A diallel study with four full-sib progeny arrays.Annals of botany · 2021Article
- In-depth Understanding ofInternational journal of molecular sciences · 2020Article
- Clovamide, a Hydroxycinnamic Acid Amide, Is a Resistance Factor AgainstFrontiers in plant science · 2020Article
- Self-(In)compatibility Systems: Target Traits for Crop-Production, Plant Breeding, and Biotechnology.Frontiers in plant science · 2020Review
- QTL mapping and identification of SNP-haplotypes affecting yield components ofHorticulture research · 2020Article
- A Larger Chocolate Chip-Development of a 15KFrontiers in plant science · 2017Article
- 3D pollination biology using micro-computed tomography and geometric morphometrics inApplications in plant sciencesArticle
Corrections and comments
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Authors and funding
22 authors at 6 institutions in 5 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cocoa self-compatibility is an important yield factor and has been described as being controlled by a late gameto-sporophytic system expressed only at the level of the embryo sac. It results in gametic non-fusion and involves several loci. In this work, we identified two loci, located on chromosomes 1 and 4 (CH1 and CH4), involved in cocoa self-incompatibility by two different processes. Both loci are responsible for gametic selection, but only one (the CH4 locus) is involved in the main fruit drop. The CH1 locus acts prior to the gamete fusion step and independently of the CH4 locus. Using fine-mapping and genome-wide association studies, we focused analyses on restricted regions and identified candidate genes. Some of them showed a differential expression between incompatible and compatible reactions. Immunolocalization experiments provided evidence of CH1 candidate genes expressed in ovule and style tissues. Highly polymorphic simple sequence repeat (SSR) diagnostic markers were designed in the CH4 region that had been identified by fine-mapping. They are characterized by a strong linkage disequilibrium with incompatibility alleles, thus allowing the development of efficient diagnostic markers predicting self-compatibility and fruit setting according to the presence of specific alleles or genotypes. SSR alleles specific to self-compatible Amelonado and Criollo varieties were also identified, thus allowing screening for self-compatible plants in cocoa populations.
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