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dc.contributor.authorPeña, Leandro-
dc.contributor.authorMartín-Trillo, Mar-
dc.contributor.authorJuárez, José-
dc.contributor.authorPina, José A.-
dc.contributor.authorNavarro, Luis-
dc.contributor.authorMartínez-Zapater, José M.-
dc.date.accessioned2011-11-24T15:28:35Z-
dc.date.available2011-11-24T15:28:35Z-
dc.date.issued2001-
dc.identifier.citationNature Biotechnology 19, 263 - 267 (2001)es_ES
dc.identifier.issn1087-0156-
dc.identifier.urihttp://hdl.handle.net/10261/42770-
dc.description.abstractCitrus trees have a long juvenile phase that delays their reproductive development by between 6 and 20 years, depending on the species. With the aim of accelerating their flowering time, we transformed juvenile citrus seedlings to constitutively express the Arabidopsis LEAFY (LFY) or APETALA1 (AP1) genes, which promote flower initiation in Arabidopsis. Both types of transgenic citrus produced fertile flowers and fruits as early as the first year, notably through a mechanism involving an appreciable shortening of their juvenile phase. Furthermore, expression of AP1 was as efficient as LFY in the initiation of flowers, and did not produce any severe developmental abnormality. Both types of transgenic trees flowered in consecutive years, and their flowering response was under environmental control. In addition, zygotic and nucellar derived transgenic seedlings had a very short juvenile phase and flowered in their first spring, demonstrating the stability and inheritance of this trait. These results open new possibilities for domestication, genetic improvement, and experimental research in citrus and other woody species.es_ES
dc.description.sponsorshipThis work was supported by grants SC97-102 from INIA and AGF98-206 from CICYT. Support to research activity at Centro Nacional de Biotecnología is provided through a specific agreement CSIC-INIA. M.M.T. was a recipient of a predoctoral fellowship from INIA.es_ES
dc.language.isoenges_ES
dc.publisherNature Publishing Groupes_ES
dc.rightsclosedAccesses_ES
dc.subjectArabidopsis LEAFYes_ES
dc.subjectAPETALA1 geneses_ES
dc.titleConstitutive expression of Arabidopsis LEAFY or APETALA1 genes in citrus reduces their generation timees_ES
dc.typeartículoes_ES
dc.identifier.doi10.1038/85719-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1038/85719es_ES
dc.identifier.e-issn1546-1696-
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