SI, self-incompatibility
Maximum-Likelihood Estimation of Rates of Recombination Within Mating-Type Regions
... Features common to many mating-type regions include recombination suppression over large genomic tracts and cosegregation of genes of various functions, not necessarily related to reproduction. Model systems for ...
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Sources of variation in self incompatibility in the Australian forest tree, Eucalyptus globulus
... % SI in E. globulus. This allows for the comparison of % SI derived from both controlled pol- lination ...% SI (Williams et ...of SI, as the mechanism for SI in ...between ...
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Pollen recognition during the self incompatibility response in plants
... of SI during the 1980s and early 1990s was the extreme genetic diversity at the S locus ...S-encoded self-incompatibility RNases (S-RNases) were not found at the Brassica S ...of SI, a pre- ...
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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 ...
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Trans-specificity at Loci Near the Self-Incompatibility Loci in Arabidopsis
... highly self-compatible. Balancing selec- tion is well documented in self-incompatibility in several plant species (R ichman et ...rare incompatibility alleles, ...gametophytic SI ...
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Recombination, Balancing Selection and Phylogenies in MHC and Self-Incompatibility Genes
... gametophytic self-incompatibility (SI) leads to accumulation of recessive deleterious variants through ...sporophytic SI but not in gametophytic SI, and Uyenoyama’s hypothesis ...
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On the Origin of Self-Incompatibility Haplotypes: Transition Through Self-Compatible Intermediates
... clear selective advantage accrues to mutations that cause s ⫹ (1 ⫺ s)/2. (28) pollen to accept disablement from a smaller set of pistils. Nonreciprocal pollen transmission disrupts the symmet- In contrast, the ...
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Hybrid breeding of cauliflower using self incompatibility and cytoplasmic male sterility
... Self-incompatible S homozygous sublines were derived from the cauliflower hybrid cv. Montano (MT) by means of inbreeding and subsequent selec- tion of SI plants. The SI character of these lines is ...
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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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Diversity and Linkage of Genes in the Self-Incompatibility Gene Family in Arabidopsis lyrata
... the self-incompatibility (SI) ...the self-incompatibility loci, it genes, SLG (S-locus glycoprotein) and SRK (S-receptor will be helpful to study them in the context of the gene ...
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Self incompatibility systems: barriers to self fertilization in flowering plants
... three SI systems, ...S-RNase-based SI, and identifying the male determinant of SI and determining if it inter- acts directly or indirectly with the stigmatic S protein in ...of SI specificity ...
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Molecular Mechanisms of Self-Incompatibility in Brassica
... the SI hydration block and pollen growth is blocked at a latter stage is one of several pieces of evidence that self-incompatibility in Brassica has numerous checkpoints (Heslop-Harrison ...in ...
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Recombination and Selection at Brassica Self-Incompatibility Loci
... no silent substitution with respect to the other species Analyses of patterns of sequence diversity in the S is detectable. This is consistent with previous analyses genes: i. Nucleotide sequence differences within and ...
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MUTATIONS OF SELF-INCOMPATIBILITY ALLELES IN TRIFOLIUM PRATENSE AND T. REPENS
... I n order to select a particular dose of irradiation most suitable for this experiment, a test was carried out with one clone (27) of T. The effects of increasing dose on see[r] ...
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Public Perception of the Police and Crime Prevention in Nigeria
... The police gave various reasons for the incompatibility of the police and self help security groups in crime prevention ranging from the perceived enmity between the two orga[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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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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THE GENETICS OF SELF-INCOMPATIBILITY IN OENOTHERA ORGANENSIS
... Since the crosses A X D and B XD each produce but two types including that of the pollen parent, D must have one allelomorph in common with type A and one with type B, and sin[r] ...
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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 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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