Pasta-Making Quality QTLome From Mediterranean Durum Wheat Landraces
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Autor/a
Roselló, Martina
Nazco, Ruyman
Soriano, Jose Miguel
Fecha de publicación
2018-10-16ISSN
1664-462X
Resumen
In order to identify genome regions related to pasta-making quality traits, association
mapping (AM) was performed in a set of 165 durum wheat landraces from 21
Mediterranean countries. The collection was genotyped using 1149 DArT markers and
872 of them with a known genetic position were used for AM. The collection was grown
in north-east Spain during 3 years. Results of ANOVA showed that trait variation for
quality traits, except for grain protein content (GPC), was mainly explained by genetic
effects. Landraces showed higher GPC than modern cultivars but lower gluten strength
(GS). Modern and eastern landraces showed the highest yellow color index (YI). Balkan
landraces showed the lowest test weight (TW). A total of 92 marker-trait associations
were detected, 20 corresponding to GS, 21 to GPC, 21 to YI and 30 to TW. With the aim
of detecting new genomic regions involved in grain quality, the position of the associations
was compared with previously mapped QTL by a meta-QTL analysis. A total of 249
QTLs were projected onto the same map used for AM, identifying 45 meta-QTL (MQTL)
regions and the remaining 15 QTLs as singletons. The position of known genes involved
in grain quality was also included, and gene annotation within the most significant regions
detected by AM was carried out using the wheat genome sequence.
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Páginas
16
Publicado por
Frontiers in Plant Science
Publicado en
Frontiers Media
Citación
Roselló, Martina, Conxita Royo, Fanny Álvaro, Dolors Villegas, Ruyman Nazco, and Jose Miguel Soriano. 2018. "Pasta-Making Quality Qtlome From Mediterranean Durum Wheat Landraces". Frontiers In Plant Science 9. Frontiers Media SA. doi:10.3389/fpls.2018.01512.
Número del acuerdo de la subvención
MINECO/Programa Estatal de I+D+I orientada a los retos de la sociedad/AGL2015-65351-R/ES/HERRAMIENTAS PARA LA SELECCION ASISTIDA POR MARCADORES EN PROGRAMAS DE MEJORA DE TRIGO A ESCALA NACIONAL E INTERNACIONAL: ADAPTACION AL CAMBIO CLIMATICO Y CALIDAD INDUSTRIAL/
MEC/Programa Nacional de recursos y tecnologías agroalimentarias/AGL2006-09226-CO2-01/ES/NUEVAS VIAS PARA MEJORAR LA ADAPTACION DEL TRIGO DURO, TRITICUM TURGIDUM L. VAR. DURUM, A AMBIENTES MEDITERRANEOS/
Program
Cultius Extensius Sostenibles
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