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dc.contributor.author Martelotto, Luciano G.
dc.contributor.author Ortiz, Juan Pablo Amelio
dc.contributor.author Stein, Juliana
dc.contributor.author Espinoza, Francisco
dc.contributor.author Quarin, Camilo Luis
dc.contributor.author Pessino, Silvina Claudia
dc.date.available 2018-05-31T18:53:08Z
dc.date.issued 2007-12
dc.identifier.citation Martelotto, Luciano G.; Ortiz, Juan Pablo Amelio; Stein, Juliana; Espinoza, Francisco; Quarin, Camilo Luis; et al.; Genome rearrangements derived from autopolyploidization in Paspalum sp.; Elsevier Ireland; Plant Science; 172; 5; 12-2007; 970-977
dc.identifier.issn 0168-9452
dc.identifier.uri http://hdl.handle.net/11336/46853
dc.description.abstract Rapid sequence rearrangements along with alterations in cytosine-directed methylation patterns follow allopolyploid formation in several plant species. The occurrence of similar changes is yet to be examined in detail during the generation of autopolyploids. The objective of this work was to investigate the presence of nascent variation in genome sequence after autopolyploidization in two Paspalum species. The increments of ploidy level were produced either by hybridization involving unreduced gametes or colchicine treatment. Genetic modifications affected 15–23% and 9.55% of the genomic loci in Paspalum rufum and Paspalum notatum, respectively. In all cases the frequency of band loss from the progenitors was significantly higher than that of novel band gain. In random amplified polymorphic DNA (RAPD) experiments the majority of polymorphisms were detected by particular sets of primers, suggesting that repetitive domains were preferentially targeted. Several P. notatum polymorphic fragments were cloned, sequenced and used as probes in genomic hybridization analyses. Some of them corresponded to interspersed middle-repetitive sequences with unknown function. Methylation-sensitive genomic hybridization showed that sequence modifications occurred invariably in cytosine-methylated regions, which remained methylated after polyploidization.
dc.format application/pdf
dc.language.iso eng
dc.publisher Elsevier Ireland
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject autoploidy
dc.subject genome evolution
dc.subject genome variation
dc.subject molecular markers
dc.subject.classification Genética y Herencia
dc.subject.classification Ciencias Biológicas
dc.subject.classification CIENCIAS NATURALES Y EXACTAS
dc.title Genome rearrangements derived from autopolyploidization in Paspalum sp.
dc.type info:eu-repo/semantics/article
dc.type info:ar-repo/semantics/artículo
dc.type info:eu-repo/semantics/publishedVersion
dc.date.updated 2018-05-21T16:58:10Z
dc.journal.volume 172
dc.journal.number 5
dc.journal.pagination 970-977
dc.journal.pais Irlanda
dc.description.fil Fil: Martelotto, Luciano G.. Universidad Nacional de Rosario; Argentina
dc.description.fil Fil: Ortiz, Juan Pablo Amelio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina. Universidad Nacional de Rosario; Argentina
dc.description.fil Fil: Stein, Juliana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina
dc.description.fil Fil: Espinoza, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
dc.description.fil Fil: Quarin, Camilo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Botánica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Botánica del Nordeste; Argentina
dc.description.fil Fil: Pessino, Silvina Claudia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Investigaciones en Ciencias Agrarias de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Instituto de Investigaciones en Ciencias Agrarias de Rosario; Argentina
dc.journal.title Plant Science
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.plantsci.2007.02.001
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0168945207000520
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)