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Artículo

Transference of wheat Expressed Sequence Tag-Simple Sequence Repits to Paspalum species and cross-species amplification of Paspalum notatum Simple Sequence Repits: Potential use in phylogenetic analysis and mapping

Siena, Lorena AdelinaIcon ; Sartor, Maria EsperanzaIcon ; Quarin, Camilo LuisIcon ; Espinoza, FranciscoIcon ; Ortiz, Juan Pablo AmelioIcon
Fecha de publicación: 11/2013
Editorial: Crop Science Society of America
Revista: Crop Science
ISSN: 0011-183X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Agronomía, reproducción y protección de plantas

Resumen

The genus Paspalum includes numerous species of agronomic importance. The objectives of this work were to evaluate the transferability and polymorphism of publicly available wheat EST-SSR (wEST-SSR) markers to Paspalum spp., assess the cross-species amplification of Paspalum notatum genomic-SSRs (PnSSR) within the genus, and evaluate both types of markers for phylogenetic analyses and mapping. Thirty two accessions, including 11 species were used. Moreover, 65 F1 hybrids of P. notatum were employed for mapping. Transferability ratio of wEST-SSRs was 72.72%. On average 19.25 bands per primer combination were obtained. Cross-species amplification of PnSSRs was 55.37%, with an average of 9.45 fragments per primer pair. Both types of markers differed in the amplification capacity between primers pairs and species. Clustering analysis with wEST-SSRs data discriminated accessions by species and taxonomic groups. Genomic relationships were in agreement with previous works indicating that wEST-SSRs are adequate for phylogenetic surveys in the genus. Mapping experiments showed that both, wEST-SSRs and PnSSRs mapped scattered in the genome. On hundred and two new markers were added to the existent P. notatum linkage groups. Primer pairs ksum206, ksum219 and PN03-F2 generated markers that mapped linked to apospory. Sequences of EST-SSRs experimentally mapped in P. notatum showed 46.23% to 55.27% similarity with the original wheat EST. A preliminary comparative mapping analysis was carried combining experimental and in silico mapping results.
Palabras clave: Paspalum Spp , Wheat Est-Ssr , Apospory , Comparative Mapping
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/6222
DOI: http://dx.doi.org/ 10.2135/cropsci2013.04.0275
URL: https://dl.sciencesocieties.org/publications/cs/abstracts/54/1/240
DOI: http://dx.doi.org/10.2135/cropsci2013.04.0275
Colecciones
Articulos(CCT - ROSARIO)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - ROSARIO
Articulos(IBONE)
Articulos de INST.DE BOTANICA DEL NORDESTE (I)
Citación
Siena, Lorena Adelina; Sartor, Maria Esperanza; Quarin, Camilo Luis; Espinoza, Francisco; Ortiz, Juan Pablo Amelio; Transference of wheat Expressed Sequence Tag-Simple Sequence Repits to Paspalum species and cross-species amplification of Paspalum notatum Simple Sequence Repits: Potential use in phylogenetic analysis and mapping; Crop Science Society of America; Crop Science; 54; 1; 11-2013; 240-254
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