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1.Imagen marcada / sin marcar ARIAS AGUIRRE, A.; STUDER, B.; DO CANTO, J.; FREI, U.; LÜBBERSTEDT, T. Mapping a New Source of Self-fertility in Perennial Ryegrass (Lolium perenne L.) Plant Breed. Biotech., 2013, v.1, no. 4, p. 385-395.
Biblioteca(s): INIA Tacuarembó.
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2.Imagen marcada / sin marcar ARIAS AGUIRRE, A.; STUDER, B.; DO CANTO, J.; FREI, U.; LÜBBERSTEDT, T. Validation of two models for self-incompatibility in autotetraploid perennial ryegrass using high resolution melting-based markers. Plant Breeding, 2014, n. 133, p. 765-770. Article history: Received November 19, 2013; Accepted June 5, 2014.
Biblioteca(s): INIA Tacuarembó.
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Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy.
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Biblioteca (s) :  INIA Tacuarembó.
Fecha actual :  21/02/2014
Actualizado :  03/10/2019
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Circulación / Nivel :  Internacional - 1
Autor :  ARIAS AGUIRRE, A.; STUDER, B.; DO CANTO, J.; FREI, U.; LÜBBERSTEDT, T.
Afiliación :  ANDREA ARIAS AGUIRRE, Department of Agronomy, Iowa State University.; BRUNO STUDER, Institute of Agricultural Sciences, ETH Zurich.; JAVIER DO CANTO FAGUNDEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; URSULA FREI, Department of Agronomy, Iowa State University.; THOMAS LÜBBERSTEDT.
Título :  Validation of two models for self-incompatibility in autotetraploid perennial ryegrass using high resolution melting-based markers.
Fecha de publicación :  2014
Fuente / Imprenta :  Plant Breeding, 2014, n. 133, p. 765-770.
DOI :  10.1111/pbr.12207
Idioma :  Inglés
Notas :  Article history: Received November 19, 2013; Accepted June 5, 2014.
Contenido :  Perennial ryegrass (Lolium perenne L.) displays a two-locus gametophytic self-incompatibility (SI) system that remains intact at the tetraploid level. Two models are plausible for SI in autotetraploids. In Model I: both alleles at the S locus and both at the Z locus in diploid pollen matching the female genotype results in incompatibility. In Model II: only one allele at S and one at Z locus in diploid pollen matching the female results in incompatibility. The goals were to determine which of the models best explains SI in our autotetraploid ryegrass population and to evaluate the efficiency of high-resolution melting (HRM) genotyping for discriminating different iso-allelic genotypes. The progeny of a cross between two autotetraploids was characterized with three HRM-based markers co-segregating with Z. Segregation ratios were used to make inferences about the mode of action of the SI system. The observed segregation differed significantly (P < 0.001) from the expected under Model I, but not from the expected under Model II (P = 0.463). Thus, Model II explains SI in this population, and HRM is an efficient tool to distinguish different isoallelic genotypic classes.
Palabras claves :  HIGH-RESOLUTION MELTING; PERENNIAL RYEGRASS (LOLIUM PERENNE); S LOCUS; SELF INCOMPATIBILITY; Z LOCUS.
Thesagro :  LOLIUM.
Asunto categoría :  A50 Investigación agraria
Marc :  Presentar Marc Completo
Registro original :  INIA Tacuarembó (TBO)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
TBO28595 - 1PXIAP - PPPP/PLANT BREEDING/2014/133
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