Phylogeny of the Centaurea group (Centaurea, Compositae) - Geography is a better predictor than morphology

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dc.contributor.authorHilpold, Andreas
dc.contributor.authorVilatersana, Roser
dc.contributor.authorSusanna, Alfonso
dc.contributor.authorMeseguer, Andrea S.
dc.contributor.authorBorsic, Igor
dc.contributor.authorConstantinidis, Theophanis
dc.contributor.authorFiligheddu, Rossella
dc.date.accessioned2020-03-26T18:58:24Z
dc.date.available2020-03-26T18:58:24Z
dc.date.issued2014
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe Centaurea group is part of the Circum-Mediterranean Clade (CMC) of genus Centaurea subgenus Centaurea, a mainly Mediterranean plant group with more than 200 described species. The group is traditionally split on morphological basis into three sections: Centaurea, Phalolepis and Willkommia. This division, however, is doubtful, especially in light of molecular approaches. In this study we try to resolve this phylogenetic problem and to consolidate the circumscription and delimitation of the entire group against other closely related groups. We analyzed nuclear (internal transcribed spacer of the ribosomal genes) and chloroplast (rpl32-trnL intergenic spacer) DNA regions for most of the described species of the Centaurea group using phylogenetic and network approaches, and we checked the data for recombination. Phylogeny was used to reconstruct the evolution of the lacerate-membranaceous bract appendages using parsimony. The magnitude of incomplete lineage sorting was tested estimating the effective population sizes. Molecular dating was performed using a Bayesian approach, and the ancestral area reconstruction was conducted using the Dispersal-Extinction-Cladogenesis method. Monophyly of the Centaurea group is confirmed if a few species are removed. Our results do not support the traditional sectional division. There is a high incongruence between the two markers and between genetic data and morphology. However, there is a clear relation between geography and the structure of the molecular data. Diversification in the Centaurea group mainly took place during the Pliocene and Pleistocene. The ancestral area infered for the Circum-Mediterranean Clade of Centaurea is the Eastern Mediterranean, whereas for the Centaurea group it is most likely NW-Africa. The large incongruencies, which hamper phylogenetic reconstruction, are probably the result of introgression, even though the presence of incomplete lineage sorting as an additional factor cannot be ruled out. Convergent evolution of morphological traits may have led to incongruence between morphology-based, traditional systematics and molecular results. Our results also cast major doubts about current species delimitation. (C) 2014 Elsevier Inc. All rights reserved.en_US
dc.description.sponsorshipSpanish Ministry of Science and InnovationSpanish Government [CGL2007-60781/BOS, CGL2010-18631]; Generalitat de Catalunya (Ajuts a Grups de Recerca Consolidats)Generalitat de Catalunya [2009/SGR/00439]; JAE program of the CSIC; BAP (Scientific Researching Projects of Selcuk University)Selcuk University [06401023]en_US
dc.description.sponsorshipFinancial support from the Spanish Ministry of Science and Innovation (Projects CGL2007-60781/BOS and CGL2010-18631) and the Generalitat de Catalunya (Ajuts a Grups de Recerca Consolidats 2009/SGR/00439) is gratefully acknowledged. AH benefited from a predoctoral grant of the JAE program of the CSIC. The collection of Turkish species was funded by the BAP (Scientific Researching Projects of Selcuk University) project with number 06401023. Special thanks go also to the Parco Nazionale della Majella (prot. n. 1763), to the Parco Naturale Regionale di Porto Venere (prot. n. 2804), to the Parco Nazionale Arcipelago Toscano (prot. n. 3363), to the Parco delle Madonie (prot. n. 2195), to the Parco Nazionale delle Cinque Terre (prot. n. 2137), to the Parco Nazionale del Circeo (prot. n. PNC/2008/196) and to the Riserva Naturale delle Gole del Sagittario (prot. n. 1081) and to the Junta de Andalucia (Ref. SGYB/FAO/CRH Re-519-08) for the permission to collect plants in their territory. We also thank A. Alegro, A. Bertolli, G. Blanca, S. Bogdanovic, O. Derkach, P. Escobar, R. Flatscher, B. Frajman, M. Galbany-Casals, T. Garnatje, T. Guidi, T. Karamplianis, T. Kiebacher, Y. Kose, J. Lopez-Alvarado, B. Medagli, J. Molero, I. Moysienko, T. Nikolic, S. Pisanu, L. Poldini, F. Prosser, A. Romo, I. Sanchez-Jimenez, P. Schonswetter, S. Tomaselli and O. Tugay for their help in collecting specimens.en_US
dc.identifier.doi10.1016/j.ympev.2014.04.022en_US
dc.identifier.endpage215en_US
dc.identifier.issn1055-7903en_US
dc.identifier.issn1095-9513en_US
dc.identifier.pmid24784974en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage195en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.ympev.2014.04.022
dc.identifier.urihttps://hdl.handle.net/20.500.12395/31065
dc.identifier.volume77en_US
dc.identifier.wosWOS:000337929800021en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherACADEMIC PRESS INC ELSEVIER SCIENCEen_US
dc.relation.ispartofMOLECULAR PHYLOGENETICS AND EVOLUTIONen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectCentaureaen_US
dc.subjectHybridizationen_US
dc.subjectIncomplete lineage sortingen_US
dc.subjectMediterraneanen_US
dc.subjectMolecular datingen_US
dc.subjectPhylogenetic incongruenceen_US
dc.titlePhylogeny of the Centaurea group (Centaurea, Compositae) - Geography is a better predictor than morphologyen_US
dc.typeArticleen_US

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