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    Título
    Construction of a high-density interspecific (Lens culinaris x L. odemensis) genetic map based on functional markers for mapping morphological and agronomical traits, and QTLs affecting resistance to Ascochyta in lentil
    Autor
    Polanco de la Puente, Carlos GasparAutoridad BuleriaORCID
    Sáenz De Miera Carnicer, Luis Enrique
    González, Ana Isabel
    García, Pedro
    Fratini, Richard
    Vaquero, Francisca
    Vences, Francisco Javier
    Pérez de la Vega, MarcelinoAutoridad BuleriaORCID
    Facultad/Centro
    Facultad de Ciencias Biologicas y Ambientales
    Área de conocimiento
    Genetica
    Título de la revista
    PLOS ONE
    Número de la revista
    3
    Datos de la obra
    PLoS ONE vol. 14, n. 3
    Editor
    PLoS
    Fecha
    2019
    Abstract
    Usage of high-throughput sequencing approaches allow for the generation and characterization of reference transcriptome datasets that support gene-based marker discovery, which in turn can be used to build genetic maps among other purposes. We have obtained a transcriptome assembly including 49,453 genes for the lentil (Lens culinaris Medik.) cultivar Alpo using RNAseq methodology. This transcriptome was used as reference to obtain 6,306 quality polymorphic markers (SNPs and short indels) analyzing genotype data from a RIL population at F7 generation derived from the interspecific cross between L. culinaris cv. Alpo and L. odemensis accession ILWL235. L. odemensis is a wild species included in the secondary gene pool and can be used as a source for gene introgression in lentil breeding programs. Marker data were used to construct the first genetic interspecific map between these two species. This linkage map has been used to precisely identify regions of the CDCRedberry lentil draft genome in which the candidate genes for some qualitative traits (seed coat spotting pattern, flower color, and stem pigmentation) could be located. The genome regions corresponding to a significant single quantitative trait locus (QTL) controlling “time to flowering” located in chromosome 6 and three QTLs regulating seed size and positioned in chromosomes 1 and 5 (two QTLs) were also identified. Significant QTLs for Ascochyta blight resistance in lentil were mapped to chromosome 6 in the genome region or close to it where QTLs for Ascochyta blight resistance have previously been reported.
    Materia
    Genética
    Palabras clave
    Mapas genéticos
    Peer review
    SI
    ID proyecto
    • Consejería de Educación, Junta de Castilla y León (LE005G18), Ministerio de Economía y Competitividad AGL2013-44714-R
    URI
    http://hdl.handle.net/10612/11115
    DOI
    10.1371/journal.pone.0214409
    Versión del editor
    https://doi.org/10.1371/journal.pone.0214409
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