Phytoene synthase 1 (Psy-1) and lipoxygenase 1 (Lpx-1) Genes Influence on Semolina Yellowness in Wheat Mediterranean Germplasm
Visualitza/Obre
Autor/a
Parada, Roberto
Gadaleta, Agata
Colasuonno, Pasqualina
Marcotuli, Ilaria
Matus, Iván
Castillo, Dalma
Costa de Camargo, Adriano
Araya-Flores, Jorge
Schwember, Andrés R.
Data de publicació
2020-06-30ISSN
1661-6596
Resum
Phytoene synthase 1 (Psy1) and lipoxygenase 1 (Lpx-1) are key genes involved in the synthesis and catalysis of carotenoid pigments in durum wheat, regulating the increase and decrease in these compounds, respectively, resulting in the distinct yellow color of semolina and pasta. Here, we reported new haplotype variants and/or allele combinations of these two genes significantly affecting yellow pigment content in grain and semolina through their effect on carotenoid pigments. To reach the purpose of this work, three complementary approaches were undertaken: the identification of QTLs associated to carotenoid content on a recombinant inbred line (RIL) population, the characterization of a Mediterranean panel of accessions for Psy1 and Lpx-1 genes, and monitoring the expression of Psy1 and Lpx-1 genes during grain filling on two genotypes with contrasting yellow pigments. Our data suggest that Psy1 plays a major role during grain development, contributing to semolina yellowness, and Lpx-1 appears to be more predominant at post-harvest stages and during pasta making.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
631 - Agricultura. Agronomia. Maquinària agrícola. Sòls. Edafologia agrícola
Pàgines
22
Publicat per
MDPI
Publicat a
International Journal of Molecular Sciences
Citació
Parada, Roberto, Conxita Royo, Agata Gadaleta, Pasqualina Colasuonno, Ilaria Marcotuli, Iván Matus, and Dalma Castillo et al. 2020. "Phytoene Synthase 1 (Psy-1) And Lipoxygenase 1 (Lpx-1) Genes Influence On Semolina Yellowness In Wheat Mediterranean Germplasm". International Journal Of Molecular Sciences 21 (13): 4669. doi:10.3390/ijms21134669.
Número de l'acord de la subvenció
MINECO/Programa Nacional de Proyectos de Investigación Fundamental/AGL2012-37217/ES/HERRAMIENTAS PARA LA MEJORA DEL TRIGO DURO FRENTE A LOS RETOS DEL CAMBIO CLIMATICO/
Programa
Cultius Extensius Sostenibles
Aquest element apareix en la col·lecció o col·leccions següent(s)
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