Self-Incompatibility
Allelic Genealogies in Sporophytic Self-Incompatibility Systems in Plants
... Sporophytic self-incompatibility in Brassicaceae also we use the approximation to predict the time since shows transspecific polymorphism ( Dwyer et ...the incompatibility phenotype of the pollen ...
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The Number of Self-Incompatibility Alleles in a Finite, Subdivided Population
... 2 Nm p . new zygotes are produced in each deme. Each gene is then subjected to mutation with probability u, with each mutation Gametophytic self-incompatibility: Wright (1939) extended the giving rise to a ...
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Characterization of gametophytic self-incompatibility of superior clones of Coffea canephora
... avoid self-pollination is an important trait of the reproductive system of various allogamous plant species, including ...2013). Self-incompatibility (SI) is a physiological mechanism that impedes a ...
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Pollen recognition during the self incompatibility response in plants
... of self-pollen from anthers are accom- plished during one insect ...of self-pollination - but rarely does self-pollination necessarily lead to self-fertilization because many flowering plants ...
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Hybrid breeding of cauliflower using self incompatibility and cytoplasmic male sterility
... In cauliflower, F1 hybrids proved advantages espe- cially in uniform maturity, high early and total yield, better curd quality with respect to compactness and colour, resistance to insect pests, diseases and unfavourable ...
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Recombination, Balancing Selection and Phylogenies in MHC and Self-Incompatibility Genes
... deviation is remarkably consistent over the four differ- ent kinds of systems, even though these are based on completely different molecular mechanisms. Two hypoth- eses have been put forward to explain this observation. ...
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Diversity and Linkage of Genes in the Self-Incompatibility Gene Family in Arabidopsis lyrata
... sporophytic self-incompatibility (SI) ...the self-compatible relative ...stigmatic incompatibility protein locus (SRK), some of these genes have kinase ...of incompatibility loci is due ...
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Trans-specificity at Loci Near the Self-Incompatibility Loci in Arabidopsis
... dence of themselves being under balancing selection; two of them have extremely high diversity (K amau and C harlesworth 2005). Applying a recently developed model of gametophytic self-incompatibility (T ...
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On the Origin of Self-Incompatibility Haplotypes: Transition Through Self-Compatible Intermediates
... (1) Self-pollen comprises a proportion s (0 ⱕ s ⱕ 1) of the pollen received by any individual plant. Compatible pollen tubes, irrespective of origin, compete on an equal Figure ...
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Molecular Characterization and Evolution of Self-Incompatibility Genes in Arabidopsis thaliana: The Case of the Sc Haplotype
... by self-incompatibility to self-fertility in the Arabidopsis thaliana lineage was associated with mutations that inactivated one or both of the two genes that comprise the ...
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Comparison of the Genome Structure of the Self-Incompatibility (S) Locus in Interspecific Pairs of S Haplotypes
... of self-incompatibility, which is a unique system of self-recognition in plants, has been intensively ...Since self-incompatible Brassica species include important vegetables and oil crops and ...
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Molecular Mechanisms of Self-Incompatibility in Brassica
... avoid self-fertilisation is by self-incompatibility, a physiological barrier making it difficult or impossible for a flower to fertilise itself even though it may be abundantly pollinated with its ...
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The Role of a Pollen-Expressed Cullin1 Protein in Gametophytic Self-Incompatibility in Solanum
... Self-incompatibility in Solanum and other Solanaceae is the S-RNase based, gametophytic type, in which S-specificity is determined by S-RNases in the pistil (McClure et al. 1989) and S-locus F-box proteins ...
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Studies on self incompatibility in 'Brassica napus'
... STUDIES ON SELF-INCOMPATIBILITY IN 'BRASSICA NAPUS' Sumedha Dharmaratne A Thesis Submitted for the Degree of PhD at the University of St Andrews.. 1990 Full metadata for this item is ava[r] ...
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Self incompatibility systems: barriers to self fertilization in flowering plants
... preventing self-fertilization. In some self-incom- patible species, differences in floral morphology act to reinforce the ability of the pistil to discriminate between self and non-self ...of ...
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GENETIC CONTROL OF QUANTITATIVE VARIATION IN SELF-INCOMPATIBILITY PROTEINS DETECTED BY IMMUNODIFFUSION
... Single radial immunodiffusion was used to study the self-incompatibility (S) proteins present in stigmas of two inbred lines of Brassica oleracea: a self- incompatible lin[r] ...
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Evolutionary Dynamics of Self-Incompatibility Alleles in Brassica
... Self-incompatibility in Brassica entails the rejection of pollen grains that express specificities held in common with the seed parent. In Brassica, pollen specificity is encoded at the multipartite ...
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Recombination and Selection at Brassica Self-Incompatibility Loci
... species, self-incompatibility is controlled genetically by haplotypes involving two known genes, SLG and SRK, and possibly an as yet unknown gene controlling pollen incompatibility ...the ...
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Evolutionary Pathways for the Generation of New Self-Incompatibility Haplotypes in a Nonself-Recognition System
... ABSTRACT Self-incompatibility (SI) is a genetically based recognition system that functions to prevent self-fertilization and mating among related ...groups: self-recognition (SR) and ...
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Self incompatibility in Eucalyptus
... Most species exhibit a marked reduction in seed yield following self-pollination compared to outcrossing, although within species there is considerable variation in the level of self-fer[r] ...
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