ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2010
Genetic map-based location of the red clover (Trifolium pratense L.) gametophytic self-incompatibility locus.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2010. 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.
- A telomere-to-telomere gap-free genome of the new cultivar 'Zhongtian No. 5', combined with pan-genome analysis, aids in exploration and genetic enhancement of red clover (Horticulture research · 2026Article
- The Pitaya Flower Tissue's Gene Differential Expression Analysis between Self-Incompatible and Self-Compatible Varieties for the Identification of Genes Involved in Self-Incompatibility Regulation.International journal of molecular sciences · 2023Article
- Expression and Variation of the Genes Involved in Rhizobium Nodulation in Red Clover.Plants (Basel, Switzerland) · 2022Article
- A de novo assembled high-quality chromosome-scale Trifolium pratense genome and fine-scale phylogenetic analysis.BMC plant biology · 2022Article
- Optimisation of root traits to provide enhanced ecosystem services in agricultural systems: A focus on cover crops.Plant, cell & environment · 2022Review
- Progress of Genomics-Driven Approaches for Sustaining Underutilized Legume Crops in the Post-Genomic Era.Frontiers in genetics · 2022Review
- Chromosome-scale assembly of the highly heterozygous genome of red clover (GigaByte (Hong Kong, China) · 2022Article
- Isoflavone levels, nodulation and gene expression profiles of a CRISPR/Cas9 deletion mutant in the isoflavone synthase gene of red clover.Plant cell reports · 2021Article
- Population structure and genetic diversity in red clover (Trifolium pratense L.) germplasm.Scientific reports · 2020Article
- Identification of Single Nucleotide Polymorphism in Red Clover (Frontiers in plant science · 2019Article
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2 authors.
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Abstract
Red clover is a hermaphroditic allogamous diploid (2n = 2x = 14) with a homomorphic gametophytic self-incompatibility (GSI) system (Trifolium pratense L.). Red clover GSI has long been studied, and it is thought that the genetic control of GSI constitutes a single locus. Although GSI genes have been identified in other species, the genomic location of the red clover GSI-locus remains unknown. The objective of this study was to use a mapping-based approach to identify simple sequence repeats (SSR) that were closely linked to the GSI-locus. Previously published SSR markers were used in this effort (Sato et al. in DNA Res 12:301-364, 2005). A bi-parental cross was initiated in which the parents were known to have one self-incompatibility allele (S-allele) in common. S-allele genotypes of 100 progeny were determined through test crosses and pollen compatibility. Pseudo F(1) linkage analysis isolated the GSI-locus on red clover linkage-group one within 2.5 cM of markers RCS5615, RCS0810, and RCS3161. A second 256 progeny mapping testcross population of a heterozygous self-compatible mutant revealed that this specific self-compatible mutant mapped to the same location as the GSI-locus. Finally, 82 genotypes were identified whose parents putatively shared one S-allele in common from maternal halfsib families derived from two random mating populations in which paternal identity was determined using molecular markers. Unique S-allele identity in the two random mating populations was tentatively inferred based on haplotypes of two highly allelic linkage-group one SSR (RCS0810 and RCS4956), which were closely linked to each other and the GSI-locus. Paternally derived pollen haplotype linkage analysis of RCS0810 and RCS4956 SSR and the GSI-locus again revealed tight linkage at 2.5 and 4.7 cM between the GSI-locus and RCS0810 and RCS4956, respectively. The map-based location of the GSI-locus in red clover has many immediate applications to red clover plant breeding and could be useful in helping to sequence the GSI-locus.
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