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dc.contributor.authorFracas, Pablo A-
dc.contributor.authorArrieta, Ramiro-
dc.contributor.authorBukowski, Belen-
dc.contributor.authorCampagna, Leonardo-
dc.contributor.authorLavinia, Pablo D.-
dc.contributor.authorLlambías, Paulo E.-
dc.contributor.authorTubaro, Pablo L.-
dc.contributor.authorLijtmaer, Dario A.-
dc.date.accessioned2025-08-22T13:18:21Z-
dc.date.available2025-08-22T13:18:21Z-
dc.date.issued2023-08-
dc.identifier.urihttp://rid.unrn.edu.ar/handle/20.500.12049/13351-
dc.language.isoenes_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.titleEvaluating assortative mating and reproductive isolation in a contact zone between lineages of the House Wrenes_ES
dc.typeObjeto de conferenciaes_ES
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-ND 4.0)-
dc.description.filiationFracas Pablo A. División Ornitología, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", CABA, Argentinaes_ES
dc.description.filiationArrieta Ramiro, INSTITUTO ARGENTINO DE INVESTIGACIONES DE LAS ZONAS ARIDAS (IADIZA), Mendoza, Argentinaes_ES
dc.description.filiationBukowski Belen. División Ornitología, Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", CABA, Argentinaes_ES
dc.description.filiationCampagna Leonardo. Cornell Lab of Ornithology, Ithaca, NY, Estados Unidoses_ES
dc.description.filiationLavinia Pablo. Universidad Nacional de Río Negro. Laboratorio de Investigación y Conservación de la Biodiversidad (UNRNInCoBIO). Sede Atlántica, Viedma, Río Negro, Argentinaes_ES
dc.description.filiationLlambías Paulo E. INSTITUTO ARGENTINO DE INVESTIGACIONES DE LAS ZONAS ARIDAS (IADIZA), Mendoza, Argentinaes_ES
dc.description.filiationTubaro Pablo L. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", CABA, Argentinaes_ES
dc.description.filiationLijtmaer Dario A. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", CABA, Argentinaes_ES
dc.subject.keywordbirds, reproductive isolation, genomics, hybridizationes_ES
dc.type.versioninfo:eu-repo/semantics/acceptedVersiones_ES
dc.subject.materiaCiencias Exactas y Naturaleses_ES
dc.origin.lugarDesarrolloCIT Río Negro (CONICET-UNRN)es_ES
dc.origin.lugarDesarrolloInCoBIO (UNRN)es_ES
dc.origin.lugarDesarrolloCornell Lab of Ornithologyes_ES
dc.origin.lugarDesarrolloMuseo Argentino de Ciencias Naturales "Bernardino Rivadavia"es_ES
dc.description.resumenDiversification in the presence of gene flow is far more common than traditionally believed,both in the onset of divergence and during secondary contact, a notion that has changed ourunderstanding of speciation. The House Wren (Troglodytes aedon) is the most widelydistributed passerine in the Americas, including multiple lineages that differ in mitochondrialand nuclear DNA, as well as morphology and behavior. Two deeply divergent lineages comeinto contact in central Argentina and previous studies have found geographically restrictedgene flow between them. Nonetheless, they have remained divergent and without significantlevels of introgression outside the area of contact, suggesting the presence of reproductiveisolation mechanisms. Assortative mating between individuals of the same lineage wouldindicate the existence of prezygotic isolation mechanisms, whereas a high proportion ofmixed-breeding couples would suggest that postzygotic isolation mechanisms might bepreventing more widespread gene flow. To address this we captured, banded and bled 76adult wrens (38 couples) and their offspring (220 nestlings) in Uspallata, a location inMendoza province within the area of contact. To evaluate the presence of assortativemating, we assigned each adult to its lineage by sequencing its COI gene and identified theproportion of couples which members belonged to different lineages. We also analyzed nestsuccess, the proportion of hatched eggs, and the sex ratios of the nestlings to check forpost-zygotic reproductive isolation. This is being complemented with the analysis ofcoloration and vocalizations as putative prezygotic reproductive isolation mechanisms.es_ES
dc.relation.journalTitleAOS & SCO-SOC Ornithological Conferencees_ES
dc.type.subtypePresentacion de ponenciaes_ES
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