ArticleJournal of experimental botany2012
Interhaplotypic heterogeneity and heterochromatic features may contribute to recombination suppression at the S locus in apple (Malusxdomestica).
Article in Journal of experimental botany, 2012. 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.
- Molecular mechanisms and genetic regulation of self-incompatibility in flowering plants: implications for crop improvement and evolutionary biology.Plant molecular biology · 2025Review
- Characterisation of the Gillenia S-locus provides insight into evolution of the nonself-recognition self-incompatibility system in apple.Scientific reports · 2025Article
- Identification of Putative Markers of Non-infectious Bud Failure in Almond [Frontiers in plant science · 2022Article
- Molecular characteristics of S-RNase alleles as the determinant of self-incompatibility in the style of Fragaria viridis.Horticulture research · 2021Article
- Characterization of 25 full-length S-RNase alleles, including flanking regions, from a pool of resequenced apple cultivars.Plant molecular biology · 2018Article
- Molecular mechanism of the S-RNase-based gametophytic self-incompatibility in fruit trees of Rosaceae.Breeding science · 2016Review
- Reciprocal translocation identified in Vigna angularis dominates the wild population in East Japan.Journal of plant research · 2015Article
- Isolation and characterization of multiple F-box genes linked to the S9- and S10-RNase in apple (Malus × domestica Borkh.).Plant reproduction · 2013Article
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5 authors.
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Abstract
Gametophytic self-incompatibility (GSI) is controlled by a complex S locus containing the pistil determinant S-RNase and pollen determinant SFB/SLF. Tight linkage of the pistil and pollen determinants is necessary to guarantee the self-incompatibility (SI) function. However, multiple probable pollen determinants of apple and Japanese pear, SFBBs (S locus F-box brothers), exist in each S haplotype, and how these multiple genes maintain the SI function remains unclear. It is shown here by high-resolution fluorescence in situ hybridization (FISH) that SFBB genes of the apple S9 haplotype are physically linked to the S9-RNase gene, and the S locus is located in the subtelomeric region. FISH analyses also determined the relative order of SFBB genes and S-RNase in the S9 haplotype, and showed that gene order differs between the S9 and S3 haplotypes. Furthermore, it is shown that the apple S locus is located in a knob-like large heterochromatin block where DNA is highly methylated. It is proposed that interhaplotypic heterogeneity and the heterochromatic nature of the S locus help to suppress recombination at the S locus in apple.
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