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dc.contributor.authorHidalgo, Oriane-
dc.contributor.authorMathez, Joël-
dc.contributor.authorGarcia, Sònia-
dc.contributor.authorGarnatje, Teresa-
dc.contributor.authorPellicer, Jaume-
dc.contributor.authorVallès, Joan-
dc.date.accessioned2013-04-15T10:45:51Z-
dc.date.available2013-04-15T10:45:51Z-
dc.date.issued2010-
dc.identifier.citationJournal of botany vol. 2010 (2010)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/74320-
dc.description19 p.es_ES
dc.description.abstractThe purpose of this study is to provide a new focus to contribute, from the perspective of genomic evolution, towards a better understanding of the Valerianaceae evolutionary history. Chromosome numbers were determined by Feulgen staining in 24 populations of 18 species (first count for Valerianella multidentata, 2n = 2x = 14–16), and DNA contents were assessed by flow cytometry in 74 populations of 35 species (first assessments in all taxa but Centranthus ruber). A molecular phylogeny based on the trnL-trnF and including 41 new sequences was established, with the first DNA sequence for Centranthus nevadensis, Valeriana rotundifolia, V. saxatilis, Valerianella multidentata, and V. turgida. This work is the first large genome size study devoted to the Valerianaceae, showing a range of DNA amounts from 2C = 0.39 pg (Valerianella turgida) to 2C = 8.32 pg (Valeriana officinalis). At the family level, changes in basic chromosome number and genome size coincide with or precede major shifts in the evolutionary history of the group, such as those concerning stamen number and floral symmetry.es_ES
dc.description.sponsorshipThis work was subsidized by the Direcci ´on General de Ense˜nanza Superior, Spain (Project PB 97/1134), the Ministerio de Ciencia y Tecnolog´ıa, Spain (projects CGL2007-64839-C02-01 and C02-02/BOS) and the Generalitat de Catalunya (“Ajuts a grups de recerca consolidats” 2005/SGR/00344). O Hidalgo received an MICINN postdoctoral grant from theMinisterio de Ciencia e Innovación, Spain and S Garcia a JAE Doc contract from the CSIC, Spain.es_ES
dc.language.isoenges_ES
dc.publisherHindawi Publishing Corporationes_ES
dc.rightsopenAccesses_ES
dc.titleGenome Size Study in the Valerianaceae: First Results and New Hypotheseses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1155/2010/797246-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1155/2010/797246es_ES
dc.identifier.e-issn2090-0139-
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