ArticleGenetics2011
Origin and diversification dynamics of self-incompatibility haplotypes.
Article in Genetics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 61 citations in OpenAlex.
- The genetic architecture of the load linked to dominant and recessive self-incompatibility alleles ineLife · 2024Article
- The role of promiscuous molecular recognition in the evolution of RNase-based self-incompatibility in plants.Nature communications · 2024Article
- Molecular insights into self-incompatibility systems: From evolution to breeding.Plant communications · 2024Review
- Article
- Global allele polymorphism indicates a high rate of allele genesis at a locus under balancing selection.Heredity · 2021Article
- Evolution of self-incompatibility in the Brassicaceae: Lessons from a textbook example of natural selection.Evolutionary applications · 2020Article
- Article
- Mating system variation in hybrid zones: facilitation, barriers and asymmetries to gene flow.The New phytologist · 2019Article
- Invasion and Extinction Dynamics of Mating Types Under Facultative Sexual Reproduction.Genetics · 2019Article
- Evolutionary Pathways for the Generation of New Self-Incompatibility Haplotypes in a Nonself-Recognition System.Genetics · 2018Article
- Elucidation of the genetic architecture of self-incompatibility in olive: Evolutionary consequences and perspectives for orchard management.Evolutionary applications · 2017Article
- Patterns of Polymorphism at the Self-Incompatibility Locus in 1,083 Arabidopsis thaliana Genomes.Molecular biology and evolution · 2017Article
- Overcoming self-incompatibility in grasses: a pathway to hybrid breeding.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Review
- Helitron-like transposons contributed to the mating system transition from out-crossing to self-fertilizing in polyploid Brassica napus L.Scientific reports · 2016Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Self-incompatibility (SI) is a genetic system found in some hermaphrodite plants. Recognition of pollen by pistils expressing cognate specificities at two linked genes leads to rejection of self pollen and pollen from close relatives, i.e., to avoidance of self-fertilization and inbred matings, and thus increased outcrossing. These genes generally have many alleles, yet the conditions allowing the evolution of new alleles remain mysterious. Evolutionary changes are clearly necessary in both genes, since any mutation affecting only one of them would result in a nonfunctional self-compatible haplotype. Here, we study diversification at the S-locus (i.e., a stable increase in the total number of SI haplotypes in the population, through the incorporation of new SI haplotypes), both deterministically (by investigating analytically the fate of mutations in an infinite population) and by simulations of finite populations. We show that the conditions allowing diversification are far less stringent in finite populations with recurrent mutations of the pollen and pistil genes, suggesting that diversification is possible in a panmictic population. We find that new SI haplotypes emerge fastest in populations with few SI haplotypes, and we discuss some implications for empirical data on S-alleles. However, allele numbers in our simulations never reach values as high as observed in plants whose SI systems have been studied, and we suggest extensions of our models that may reconcile the theory and data.
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