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Tomato second cycle hybrids as a source of genetic variability for fruit quality traits

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dc.citation.titleCrop Breeding and Applied Biotechnologyes
dc.creatorPereira da Costa, Javier Hernán
dc.creatorRodríguez, Gustavo Rubén
dc.creatorLiberatti, David Raúl
dc.creatorMahuad, Sabina Lara
dc.creatorMarchionni Basté, Ezequiel
dc.creatorPicardi, Liliana Amelia
dc.creatorZorzoli, Roxana
dc.creatorPratta, Guillermo Raúl
dc.date.accessioned2018-12-11T14:07:40Z
dc.date.available2018-12-11T14:07:40Z
dc.date.issued2016-10
dc.descriptionThe objective of this study was to investigate the phenotypic and molecular variability in a F2 generation derived from a SCH (Second Cycle Hybrid) in order to detect QTLs for some fruit traits of tomato. Genome coverage at different levels was achieved by three types of molecular markers (polypeptides, sequence-related amplified polymorphism-SRAP and amplified restriction fragment polymorphism - AFLP). Different degrees of polymorphism were detected by SRAP and AFLP at the DNA structure level and also by polypeptides at the DNA expression level. The first two markers, associated with phenotypic variation, detected QTLs involved in important agronomic traits such as fruit shelf life, soluble solids content, pH, and titratable acidity. New gene blocks originated by recombination during the first cycle of crossing were detected. This study confirmed that the observed phenotypic differences represent a new gene rearrangement and that these new gene blocks are responsible for the presence of the genetic variability detected for these traits.es
dc.description.filIICAR-CONICET-UNR (Instituto de Investigaciones en Ciencias Agrarias de Rosario - Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional de Rosario). Cátedra de Genética, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario.es
dc.description.sponsorshipAgencia Nacional de Promoción Científica y Tecnológica (ANPCyT) PICT 2004-08-25481es
dc.formatapplication/pdf
dc.format.extent289-297es
dc.identifier.issn1984-7033es
dc.identifier.urihttp://hdl.handle.net/2133/13781
dc.language.isoenges
dc.publisherBrazilian Association of Plant Breedinges
dc.relation.publisherversionhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332016000400289
dc.rightsopenAccesses
dc.rights.holderAutoreses
dc.rights.texthttps://creativecommons.org/licenses/by/4.0/deed.es
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/2.5/ar/*
dc.subjectRecombinant inbred lineses
dc.subjectSolanum lycopersicumes
dc.subjectgenetic recombinationes
dc.subjectgene blockses
dc.titleTomato second cycle hybrids as a source of genetic variability for fruit quality traitses
dc.typearticle
dc.typeartículo
dc.type.collectionarticulo

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