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Narrowing down the single homoeologous FaPFRU locus controlling flowering in cultivated octoploid strawberry using a selective mapping strategy.

hal.structure.identifierBiologie du fruit et pathologie [BFP]
hal.structure.identifierCréation Variétale Fraises Fruits Rouges [Ciref]
dc.contributor.authorPERROTTE, Justine
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorGASTON, Amélia
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorPOTIER, Aline
hal.structure.identifierCréation Variétale Fraises Fruits Rouges [Ciref]
dc.contributor.authorPETIT, Aurélie
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorROTHAN, Christophe
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorDENOYES, Beatrice
dc.date.issued2016
dc.identifier.issn1467-7644
dc.description.abstractEnExtending the period of fruit production is a way to substantially increase crop yield in many fruit or ornamental species. In the cultivated octoploid strawberry (Fragaria x ananassa), the most consumed small fruit worldwide, fruit production season can be extended by selecting perpetual flowering (PF) cultivars. This trait is of considerable interest to growers and to the food industry. Four homoeologous loci controlling a single trait can be expected in such a complex octoploid species. However, we recently showed that the PF trait is under the control of the single dominant FaPFRU locus (Gaston et al., 2013), making it potentially amenable to marker assisted selection (MAS). Here, we report the successful use of a strategy, based on selective mapping using a reduced sample of individuals, to identify nine markers in close linkage to the FaPFRU allelic variant. Thus, this strategy can be used to fine map target homoeologous loci in other complex polyploid crop species. Recombinant analysis further enabled us to reduce the locus to a region flanked by two markers, Bx083_206 and Bx215_131, corresponding to a 1.1 Mb region in the diploid F. vesca reference genome. This region comprised 234 genes, including 15 flowering-associated genes. Among these, the FLOWERING LOCUS T (FT) is known to be a key activator of flowering. The close association between the PF trait and the FaPFRU flanking markers was validated using an additional segregating population and genetic resources. This study lays the foundation for effective and rapid breeding of PF strawberry cultivars by MAS. This article is protected by copyright. All rights reserved.
dc.language.isoen
dc.publisherWiley
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enperpetual flowering
dc.subject.enmarker assisted selection
dc.subject.enbin mapping
dc.subject.enFragaria
dc.subject.enpolyploidy
dc.title.enNarrowing down the single homoeologous FaPFRU locus controlling flowering in cultivated octoploid strawberry using a selective mapping strategy.
dc.typeArticle de revue
dc.identifier.doi10.1111/pbi.12574
dc.subject.halSciences du Vivant [q-bio]/Biologie végétale
dc.subject.halSciences du Vivant [q-bio]/Sciences agricoles
bordeaux.journalPlant Biotechnology Journal
bordeaux.page2176-2189
bordeaux.volume14
bordeaux.issue11
bordeaux.peerReviewedoui
hal.identifierhal-02637036
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02637036v1
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