ArticleSexual plant reproduction2011
Self-compatibility of 'Katy' apricot (Prunus armeniaca L.) is associated with pollen-part mutations.
Article in Sexual plant reproduction, 2011. 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.
- Identification of a candidate self-incompatibility locus in beet (Beta vulgaris).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- PbrFEN-1 positively regulates pear pollen tube growth and is involved in the self-incompatibility response.Plant reproduction · 2026Article
- Identification of self-incompatibility in macadamiaFrontiers in plant science · 2026Article
- Large-Scale Screening and Identification ofInternational journal of molecular sciences · 2025Article
- Article
- Self-compatibility in 'Zaohong' Japanese apricot is associated with the loss of function of pollen S genes.Molecular biology reports · 2013Article
- Genetic features of the spontaneous self-compatible mutant, 'Jin Zhui' (Pyrus bretschneideri Rehd.).PloS one · 2013Article
- Inheritance of hetero-diploid pollen S-haplotype in self-compatible tetraploid Chinese cherry (Prunus pseudocerasus Lindl).PloS one · 2013Article
- Article
- Mechanism of seedlessness in a new lemon cultivar 'Xiangshui' [Citrus limon (L.) Burm. F].Sexual plant reproduction · 2012Article
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8 authors.
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Abstract
Apricot (Prunus armeniaca L.) cultivars originated in China display a typical S-RNase-based gametophytic self-incompatibility (GSI). 'Katy', a natural self-compatible cultivar belonging to the European ecotype group, was used as a useful material for breeding new cultivars with high frequency of self-compatibility by hybridizing with Chinese native cultivars. In this work, the pollen-S genes (S-haplotype-specific F-box gene, or SFB gene) of 'Katy' were first identified as SFB₁ and SFB (8), and the S-genotype was determined as S₁ S₈. Genetic analysis of 'Katy' progenies under controlled pollination revealed that the stylar S₁-RNase and S₈-RNase have a normal function in rejecting wild-type pollen with the same S-haplotype, while the pollen grains carrying either the SFB₁ or the SFB₈ gene are both able to overcome the incompatibility barrier. However, the observed segregation ratios of the S-genotype did not fit the expected ratios under the assumption that the pollen-part mutations are linked to the S-locus. Moreover, alterations in the SFB₁ and SFB₈ genes and pollen-S duplications were not detected. These results indicated that the breakdown of SI in 'Katy' occurred in pollen, and other factors not linked to the S-locus, which caused a loss of pollen S-activity. These findings support a hypothesis that modifying factors other than the S-locus are required for GSI in apricot.
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