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Bud sprouting and floral induction and expression of FT in loquat [Eriobotrya japonica (Thunb.) Lindl.]

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Bud sprouting and floral induction and expression of FT in loquat [Eriobotrya japonica (Thunb.) Lindl.]

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dc.contributor.author Reig Valor, Carmina es_ES
dc.contributor.author Gil-Muñoz, Francisco es_ES
dc.contributor.author Vera-Sirera, Francisco es_ES
dc.contributor.author Garcia-Lorca, Ana es_ES
dc.contributor.author Martínez Fuentes, Amparo es_ES
dc.contributor.author Mesejo Conejos, Carlos es_ES
dc.contributor.author Perez Amador, Miguel Angel es_ES
dc.contributor.author Agustí Fonfría, Manuel es_ES
dc.date.accessioned 2018-11-14T21:03:32Z
dc.date.available 2018-11-14T21:03:32Z
dc.date.issued 2017 es_ES
dc.identifier.issn 0032-0935 es_ES
dc.identifier.uri http://hdl.handle.net/10251/112507
dc.description.abstract [EN] EjFT1 and EjFT2 genes were isolated and sequenced from leaves of loquat. EjFT1 is involved in bud sprouting and leaf development, and EjFT2 in floral bud induction. Loquat [Eriobotrya japonica (Thunb.) Lindl.] is an evergreen species belonging to the family Rosaceae, such as apple and pear, whose reproductive development, in contrast with these species, is a continuous process that is not interrupted by winter dormancy. Thus, the study of the mechanism of flowering in loquat has the potential to uncover the environmental and genetic networks that trigger flowering more accurately, contributing for a better understanding of the Rosaceae floral process. As a first step toward understanding the molecular mechanisms controlling flowering, extensive defoliation and defruiting assays, together with molecular studies of the key FLOWERING LOCUS T (FT) gene, were carried out. FT exhibited two peaks of expression in leaves, the first one in early to mid-May, the second one in mid-June. Two FT genes, EjFT1 and EjFT2, were isolated and sequenced and studied their expression. Expression of EjFT1 and EjFT2 peaks in mid-May, at bud sprouting. EjFT2 expression peaks again in mid-June, coinciding with the floral bud inductive period. Thus, when all leaves of the tree were continuously removed from early to late May vegetative apex differentiated into panicle, but when defoliation was performed from early to late June apex did not differentiate. On the other hand, fruit removal advanced EjFT1 expression in old leaves and the sooner the fruit detached, the sooner the bud sprouted. Accordingly, results strongly suggest that EjFT1 might be related to bud sprouting and leaf development, while EjFT2 might be involved in floral bud induction. An integrative model for FT functions in loquat is discussed. es_ES
dc.description.sponsorship This work was supported by Grants BIO2011-26302 (Spanish Ministry of Science and Innovation) for M. A. Perez-Amador, and RTA2013-00024-C02-02 (Instituto Nacional de Investigaciones y Tecnologia Agraria y Alimentaria-Ministerio de Economia y Competitividad) for C. Reig. The authors thank Dr. P. M. Hernandez-Delgado and Dr. V. Galan (Insituto Canario de Iinvestigaciones Agrarias, Tenerife, Spain) for their collaboration and Debra Westall (Universidad Politecnica de Valencia) for revising the manuscript. es_ES
dc.language Inglés es_ES
dc.publisher Springer-Verlag es_ES
dc.relation MICINN/BIO2011-26302 es_ES
dc.relation INSTITUTO NACIONAL DE INV. Y TECNOL. AGRARIA Y ALIMENTARIA /RTA2013-00024-C02-02 es_ES
dc.relation.ispartof Planta es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Flowering es_ES
dc.subject Fruit trees es_ES
dc.subject Gene expression, Perennials es_ES
dc.subject Rosaceae es_ES
dc.subject.classification PRODUCCION VEGETAL es_ES
dc.subject.classification BIOQUIMICA Y BIOLOGIA MOLECULAR es_ES
dc.title Bud sprouting and floral induction and expression of FT in loquat [Eriobotrya japonica (Thunb.) Lindl.] es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s00425-017-2740-6 es_ES
dc.rights.accessRights Abierto es_ES
dc.date.embargoEndDate 2018-11-30 es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Biología Molecular y Celular de Plantas - Institut Universitari Mixt de Biologia Molecular i Cel·lular de Plantes es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural - Escola Tècnica Superior d'Enginyeria Agronòmica i del Medi Natural es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Producción Vegetal - Departament de Producció Vegetal es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Biotecnología - Departament de Biotecnologia es_ES
dc.description.bibliographicCitation Reig Valor, C.; Gil-Muñoz, F.; Vera-Sirera, F.; Garcia-Lorca, A.; Martinez Fuentes, A.; Mesejo Conejos, C.; Perez Amador, MA.... (2017). Bud sprouting and floral induction and expression of FT in loquat [Eriobotrya japonica (Thunb.) Lindl.]. Planta. 246(5):915-925. doi:10.1007/s00425-017-2740-6 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1007/s00425-017-2740-6 es_ES
dc.description.upvformatpinicio 915 es_ES
dc.description.upvformatpfin 925 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 246 es_ES
dc.description.issue 5 es_ES
dc.relation.pasarela S\355315 es_ES
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria es_ES
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