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dc.contributor.authorSouto, Leticia Silva [UNESP]
dc.contributor.authorTrombert Oliveira, Denise Maria
dc.identifier.citationComptes Rendus Biologies. Paris: Elsevier France-editions Scientifiques Medicales Elsevier, v. 337, n. 1, p. 62-70, 2014.
dc.description.abstractMalpighiaceae ovules have a well-developed nucellus; previous observations indicate that during seed development, the endosperm does not proliferate, thus, remaining scarce. This study aimed at identifying the nutritive tissues during seed development in Malpighiaceae, focusing especially on the endosperm. We analysed the seed development of Janusia mediterranea, J. occhionii, Mascagnia cordifolia, and Tetrapterys chamaecerasifolia, which were collected and processed by traditional methods for light microscopy. Ovules are subcampylotropous, crassinucellate and unitegmic in Janusia and bitegmic in M. cordifolia and T. chamaecerasifolia. The nucellus is well developed and protrudes through the micropyle, touching the funicular obturator. During development, a pachychalaza is formed, and the integuments coalesce in bitegmic species. Through a series of nucellar cell divisions, the perisperm is formed. In Janusia species, the endosperm is not produced. In M. cordifolia and T. chamaecerasifolia, the endosperm is nuclear, but it is scarce and ephemeral. The mature seed is exalbuminous, and the perisperm is consumed, and thus, the mature embryo is total. The absence of endosperm in Janusia is newly observed for the family and indicates functional transfer for the abundant perisperm. (C) 2013 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.publisherElsevier B.V.
dc.relation.ispartofComptes Rendus: Biologies
dc.sourceWeb of Science
dc.subjectEndosperm absenceen
dc.titleSeed development in Malpighiaceae species with an emphasis on the relationships between nutritive tissuesen
dcterms.rightsHolderElsevier B.V.
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Minas Gerais (UFMG)
dc.description.affiliationUniv Fed Sao Carlos, UFSCar, Ctr Ciencias Tecnol Sustentabilidade, Dept Biol, Sorocaba, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, UNESP, Inst Biociencias, Programa Posgrad Ciencias Biol Bot, Botucatu, SP, Brazil
dc.description.affiliationUniv Fed Minas Gerais, Inst Ciencias Biol, Dept Bot, Belo Horizonte, MG, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, Inst Biociencias, Programa Posgrad Ciencias Biol Bot, Botucatu, SP, Brazil
dc.rights.accessRightsAcesso restrito
dc.description.sponsorshipIdCNPq: 309416/2011-6[2]
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