New insights into the Usnea cornuta aggregate (Parmeliaceae, lichenized Ascomycota): Molecular analysis reveals high genetic diversity correlated with chemistry

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dc.contributor.authorLima Gerlach, Alice da Cruz
dc.contributor.authorToprak, Zeynep
dc.contributor.authorNaciri, Yamama
dc.contributor.authorAraujo Caviro, Elena
dc.contributor.authorBorges da Silveira, Rosa Mara
dc.contributor.authorClerc, Philippe
dc.date.accessioned2024-04-24T16:18:38Z
dc.date.available2024-04-24T16:18:38Z
dc.date.issued2019
dc.departmentDicle Üniversitesien_US
dc.description.abstractBiological processes such as hybridization, incomplete lineage sorting and gene flow can obscure the recognition of distinct evolutionary lineages, particularly in groups of organisms that have recently diverged. Therefore, compiling pieces of evidence from diverse data sources is critical to accurately assess species boundaries in such groups. The increasing availability of DNA sequence data allows for a much deeper understanding of diversification and speciation processes and their consequences on biodiversity. In this study, we applied an integrative approach based on DNA sequence, chemical, geographic and morphological data to attempt to define species boundaries in the lichen-forming genus Usnea (Parmeliaceae), particularly the U. cornuta aggregate, a cosmo-politan species group. We provide the first species delimitation for this group in the neotropics based on the multispecies coalescent (MSC) model. Using ITS rDNA and two protein-coding genes, Mcm7 and RPB1, we estimated the species tree under the MSC model in a Bayesian framework using STACEY. Our results indicate that at least nine strongly supported distinct lineages coexist in the U. cornuta aggregate, which are well chemically characterized. Additionally, we found evidence for the polyphyly of three morphospecies, Usnea brasiliensis, U. cornuta and U. dasaea.en_US
dc.description.sponsorshipConservatoire & Jardin botaniques de la Ville de Geneve (CJBG); Swiss Government Excellence Scholarship; CNPq (Brazil); IAPT Research Grant Program in Plant Systematics; Spanish Ministerio de Ciencia e Innovacion; Scientific and Technological Research Council of Turkey (TUBITAK)en_US
dc.description.sponsorshipThis study was partly supported by the Conservatoire & Jardin botaniques de la Ville de Geneve (CJBG), the Swiss Government Excellence Scholarship awarded to AG, and CNPq (Brazil) that supported field trips. Rodrigo Penati, Gabriela Giovanka and Renato Rizzaro participated in the field trips. We thank Andre Aptroot for supplying a fresh collection of the Usnea cornuta aggregate from Tenerife. AG thanks Angela Cano for her help with the program Geneious. We thank Kristiina Mark for providing information about priors and we thank Laura Kelly for providing us with information about samples from the United Kingdom. Support for laboratory work at CJBG was awarded to AG by the IAPT Research Grant Program in Plant Systematics. Sequences generated in the Facultad de Farmacia of the Universidad Complutense of Madrid were supported by funds from the Spanish Ministerio de Ciencia e Innovacion. We thank Camille Truong for her valuable advice about lab methods and Regine Niba for her contribution to the lab work. ZT was supported by the Scientific and Technological Research Council of Turkey (TUBITAK). We are grateful to the three anonymous reviewers for their constructive comments about a previous version of the manuscript.en_US
dc.identifier.doi10.1016/j.ympev.2018.10.035
dc.identifier.endpage137en_US
dc.identifier.issn1055-7903
dc.identifier.issn1095-9513
dc.identifier.pmid30385309en_US
dc.identifier.scopus2-s2.0-85056909807en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage125en_US
dc.identifier.urihttps://doi.org/10.1016/j.ympev.2018.10.035
dc.identifier.urihttps://hdl.handle.net/11468/16205
dc.identifier.volume131en_US
dc.identifier.wosWOS:000456387900015
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
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.subjectCoalescent Modelen_US
dc.subjectLichen-Forming Fungien_US
dc.subjectParallel Evolutionen_US
dc.subjectProtein-Coding Genesen_US
dc.subjectStaceyen_US
dc.subjectSystematicsen_US
dc.subjectSecondary Metabolitesen_US
dc.subjectThin-Layer Chromatographyen_US
dc.titleNew insights into the Usnea cornuta aggregate (Parmeliaceae, lichenized Ascomycota): Molecular analysis reveals high genetic diversity correlated with chemistryen_US
dc.typeArticleen_US

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