Download scientific diagram | Análisis mendeliano de la autofecundación de una planta transgénica, que porta una copia del transgene que confiere tolerancia. A utilização da AI no melhoramento de plantas é feita há bastante tempo, mas .. a auto-incompatibilidade possa limitar a possibilidade de se autofecundar e. En Fitogenetecnia, se refiere a al capacidad de autofecundación de una planta, o al cruzamiento entre plantas, sin existir impedimento genético, morfológico o.
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Self-incompatibility SI is the failure of a fertile plant to set seeds when fertilized with its own pollen. Nowadays, the research has put emphasis on the identification and understanding of the molecular and cellular processes leading to the recognition and rejection of the self-incompatible pollen, including the identification, localization and sequencing of proteins, enzymes and genes involved.
There are two types of SI, gametophytic GSI in which the pollen specificity is determined by the S allele of the pollen grain gametophyte haploid genome, and sporophytic SISwhere the pollen specificity is determined by the diploid genotype of the adult plant sporophyte that generated the pollen grain.
SIS may be homomorphic, when there are no floral modifications related to the SI process, or heteromorphic, when floral modifications occur together with the SI process.
The SI reaction may occurr from pollen germination impairing up to pollen tube breakdown. The existence of SI in economically important plants may be very important, being very positive in some cases or a burden in others, depending on the plant part harvested vegetative or reproductive and its mode of reproduction, sexual or asexual. SI has been employed in plant breeding for many years, but there is a gap between theoretical knowledge, such as genetic and molecular basis, and utilization in plant breeding programs.
Por exemplo, em trevo vermelho Trifolium pratense autofecunfacion haver em torno de diferentes alelos enquanto o trevo branco teria em torno de alelos diferentes no loco S Autofecujdacion, Existem casos de controle bifatorial e mesmo polifatorial da AIG. Existem autofecundackon maneiras de superar a barreira da AI. Self-incompatibility systems in angiosperms. Molecular genetics of self-compatibility in flowering plants.
Developmental Geneticsv. Correlation of stylar ribonuclease zymograms with incompatibility alleles in sweet cherry. Pollen cytology and self-incompatibility systems in plants. The Journal of Heredity, v. Molecular mechanisms of self-recognition in Brassica self-incompatibility. Trends in Plant Sciencev. An association between variability in ovule development within ovaries and self-incompatibility in Lotus Leguminosae. Canadian Journal of Botanyv.
Inheritance of sexual incompatibility in apricot. Plant Breedingv. Utilization of hybrid vigor. American Society of America, autofecujdacion Use of self-incompatibility to produce poantas seed-propagated F1 bermudagrass hybrids. Crop Sciencev. Molecular analysis of palntas relatedness among alfalfa clones differing in levels of self-incompatibility.
Canadian Journal of Plant Sciencev. Stigma treatment with saline solutions: Journal of Horticultural Science, v. Incompatibility and incongruity in wild and cultivated plants. Sexual Plant Reproduction, v. PCP-A1, a defensin-like Brassica pollen coat protein that binds the S locus glycoprotein, is the product of gametophytic gene expression.
The Plant Cell, v. Relationship between polyploidy and pollen self-incompatibility phenotype in Petunia hybrida Vilm.
Bioscience, Biotechnology and Biochemistryv. Molecular aspects of the self-incompatibility systems of Brassica and Nicotiana.
Botanica Actav. Do homomorphic and heteromorphic self-incompatibility systems have the same sporophytic mechanism?
Reprodución das plantas
Plant Systematics and Evolutionautofecuneacion. The genetic control of self-incompatibility in Linanthus parviflorus Polemoniaceae. S-locus poantas kinase genes and self-incompatibility in Brassica napus. Signal transduction in plant growth and development. Auxin modification of the incompatibility response in Theobroma cacao.
Proceedings of the Royal Society of London Bv. Visualization of a self-incompatibility gene in Brassica campestris L. Theoretical and Applied Geneticsv. Visualization of the Brassica self-incompatibility S-locus on identified oilseed rape chromosomes.
Plant Molecular Biologyv.
Sporophytic and gametophytic self-incompatibility. Population improvement in alfalfa: Number of incompatibility alleles in clover and other species Heredity, v. Controlling self-incompatibility by CO 2 gas treatment in Brassica campestris: Molecules and cells, v. Genetic control of specificty and activity of the S antigen in plants.
Inbreeding in sugarcane varieties
Proceedings of the Royal Society of London B, v. Disomic control of self-incompatibility in the tetraploid Ranunculus repens Autofecundacionn. The nature of the two-loci incompatibility system in grasses. Interaction between the loci in relation to pseudo-compatibility in Festuca pratensis Huds. Hereditas, v 52, p. The emerging complexity of sel-incompatibility S- loci. Sexual Plant Reproduction aitofecundacion, v.
Self-compatibility and heterosis in white clover Trifolium repens L. Evolution of the Brassica self-incompatibility locus: Cell-cell signaling in the self-incompatibility response. Current Opinion in Plant Biologyv. Pollen-stigma signaling in the sporophytic self-incompatibility response. The Plant Cellv.
Iowa State University, Style-specific self-compatible mutation caused by deletion of the Autovecundacion gene in japanese pear Pyrus serotina. The Plant Journalv. On the importance of male fitness in plants. The pollen determinant of self-incompatibility in Brassica campestris. A connection between the self-incompatibility mechanism and the stress response in lily.
Plant and Cell Physiologyv. Alfalfa and alfalfa improvement. American Society of Agronomy, Characterization and breakdown of self-incompatibility in field bindweed Convolvulus arvensis L. The intracellular events triggered by the self-incompatibility response in Papaver rhoeas.
Self-incompatibility in plants
Multiple-allelomorph incompatibility of pollen and style in the evolution of the angiosperms. Annals of Botany New Seriesv. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Services on Demand Journal. How to cite this article.