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Artículo

Integral phylogenomic approach over Ilex L. Species from southern South America

Cascales, JimenaIcon ; Bracco, MarianaIcon ; Garberoglio, Mariana J.; Poggio, LidiaIcon ; Gottlieb, Alexandra MarinaIcon
Fecha de publicación: 12/2017
Editorial: MDPI
Revista: Life
ISSN: 2075-1729
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

The use of molecular markers with inadequate variation levels has resulted in poorly resolved phylogenetic relationships within Ilex. Focusing on southern South American and Asian species, we aimed at contributing informative plastid markers. Also, we intended to gain insights into the nature of morphological and physiological characters used to identify species. We obtained the chloroplast genomes of I. paraguariensis and I. dumosa, and combined these with all the congeneric plastomes currently available to accomplish interspecific comparisons and multilocus analyses. We selected seven introns and nine IGSs as variable non-coding markers that were used in phylogenomic analyses. Eight extra IGSs were proposed as candidate markers. Southern South American species formed one lineage, except for I. paraguariensis, I. dumosa and I. argentina, which occupied intermediate positions among sampled taxa, Euroasiatic species formed two lineages. Some concordant relationships were retrieved from nuclear sequence data. We also conducted integral analyses, involving a supernetwork of molecular data, and a simultaneous analysis of quantitative and qualitative morphological and phytochemical characters, together with molecular data. The total evidence tree was used to study the evolution of non-molecular data, evidencing fifteen non-ambiguous synapomorphic character states and consolidating the relationships among southern South American species. More South American representatives should be incorporated to elucidate their origin.
Palabras clave: Character Evolution , Multilocus Phylogenomics , Networks And Splits Graphs , Non-Coding Regions , Plastomes , Supernetwork
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/65260
URL: http://www.mdpi.com/2075-1729/7/4/47
DOI: http://dx.doi.org/10.3390/life7040047
Colecciones
Articulos(IEGEBA)
Articulos de INSTITUTO DE ECOLOGIA, GENETICA Y EVOLUCION DE BS. AS
Citación
Cascales, Jimena; Bracco, Mariana; Garberoglio, Mariana J.; Poggio, Lidia; Gottlieb, Alexandra Marina; Integral phylogenomic approach over Ilex L. Species from southern South America; MDPI; Life; 7; 4; 12-2017; 1-19; 47
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