A multilocus analysis provides evidence for more than one species within Eugenes fulgens (Aves: Trochilidae)

Zamudio-Beltrán, Luz E; Hernández‐Baños, Blanca E.

doi:10.1016/j.ympev.2015.04.024

Cited by 16 publications

(8 citation statements)

References 30 publications

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“…Many animal species show considerable levels of intraspecific variation that reflect the effects of selective and/or neutral evolution (Lande, ; Morales et al, ; Nosil, ; Seeholzer & Brumfield, ; Zamudio‐Beltrán & Hernández‐Baños, ). Within natural populations, genetic and phenotypic divergence may be influenced by factors such as sexual and natural selection, genetic drift, and geographic isolation (Bohonak, ; Slatkin, ; Wang & Summers, ; Wright, ).…”

Section: Introductionmentioning

confidence: 99%

What drives genetic and phenotypic divergence in the Red‐crowned Ant tanager (Habia rubica, Aves: Cardinalidae), a polytypic species?

Ramírez‐Barrera

Velasco

Orozco‐Téllez

et al. 2019

Ecology and Evolution

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AimThe effects of geographic and environmental variables on patterns of genetic and phenotypic differentiation have been thoroughly studied. Ecological speciation involves reproductive isolation due to divergent natural selection that can result in a positive correlation between genetic divergence and adaptive phenotypic divergence (isolation by adaptation, IBA). If the phenotypic target of selection is unknown or not easily measured, environmental variation can be used as a proxy, expecting positive correlation between genetic and environmental distances, independent of geographic distances (isolation by environment, IBE). The null model is that the amount of gene flow between populations decreases as the geographic distance between them increases, and genetic divergence is due simply to the neutral effects of genetic drift (isolation by distance, IBD). However, since phenotypic differentiation in natural populations may be autocorrelated with geographic distance, it is often difficult to distinguish IBA from the neutral expectation of IBD. In this work, we test hypotheses of IBA, IBE, and IBD in the Red‐crowned Ant tanager (Habia rubica).LocationMesoamerica (Mexico—Central America) and South America.Taxon Habia rubica (Aves: Cardinalidae).MethodsWe compiled genetic data, coloration, and morphometric data from specimens from collections in Mexico and the United States. We used the Multiple Matrix Regression with Randomization (MMRR) approach to evaluate the influence of geographic and environmental distances on genetic and phenotypic differentiation of H. rubica at both phylogroup and population levels.ResultsOur results provide strong evidence that geographic distance is the main driver of genetic variation in H. rubica. We did not find evidence that climate variation is driving population differentiation in this species across a widespread geographic region.Main conclusionsOur data point to geographic isolation as the main factor structuring genetic variation within populations of H. rubica and suggest that climate is not playing a major role in genetic differentiation within this species.

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Section: Introductionmentioning

confidence: 99%

What drives genetic and phenotypic divergence in the Red‐crowned Ant tanager (Habia rubica, Aves: Cardinalidae), a polytypic species?

Ramírez‐Barrera

Velasco

Orozco‐Téllez

et al. 2019

Ecology and Evolution

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“…This is not only important for species diverging in situ , but also for taxa that dispersed and differentiated across newly available habitats, such as those involved in inter-continental exchange after the uplifting of the Isthmus of Panama. It has been suggested that animals tolerant to a variety of habitats and elevation zones quickly expanded through this corridor into North America, while species restricted to more humid conditions could only disperse more recently into northern latitudes ( Zamudio-Beltrán & Hernández-Baños, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Deep divergence of Red-crowned Ant Tanager (Habia rubica: Cardinalidae), a multilocus phylogenetic analysis with emphasis in Mesoamerica

Ramírez‐Barrera

Hernández‐Baños

Jaramillo‐Correa

et al. 2018

PeerJ

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Many neotropical species have a complex history of diversification as a result of the influence of geographical, ecological, climatic, and geological factors that determine the distribution of populations within a lineage. Phylogeography identifies such populations, determines their geographic distributions, and quantifies the degree of genetic divergence. In this work we explored the genetic structure of Habia rubica populations, a polytypic taxon with 17 subspecies described, in order to obtain hypotheses about their evolutionary history and processes of diversification. We undertook multilocus analyses using sequences of five molecular markers (ND2, ACOI-I9, MUSK, FGB-I5 and ODC), and sampling from across the species’ distribution range, an area encompassing from Central Mexico throughout much of South America. With these data, we obtained a robust phylogenetic hypothesis, a species delimitation analysis, and estimates of divergence times for these lineages. The phylogenetic hypothesis of concatenated molecular markers shows that H. rubica can be divided in three main clades: the first includes Mexican Pacific coast populations, the second is formed by population from east of Mexico to Panama and the third comprises the South American populations. Within these clades we recognize seven principal phylogroups whose limits have a clear correspondence with important geographical discontinuities including the Isthmus of Tehuantepec in southern Mexico, the Talamanca Cordillera, and the Isthmus of Panama in North America. In South America, we observed a marked separation of two phylogroups that include the populations that inhabit mesic forests in western and central South America (Amazon Forest) and those inhabiting the seasonal forest from the eastern and northern regions of the South America (Atlantic Forest). These areas are separated by an intervening dry vegetation “diagonal” (Chaco, Cerrado and Caatinga). The geographic and genetic structure of these phylogroups describes a history of diversification more active and complex in the northern distribution of this species, producing at least seven well-supported lineages that could be considered species.

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“…Within Mesoamerica, continuous tectonic activity uplifted the highlands and repeated cycles of forest contraction and expansion in the highlands, owing to Pleistocene climate cycles, formed a set of corridors and barriers, creating further isolation and shaping genetic divergence and autochthonous diversification in the region at different time scales (e.g., Gutiérrez-García & Vázquez-Domínguez, 2012 ; Rodríguez-Gómez & Ornelas, 2014 ; Rovito et al, 2015 ). Several phylogeographical studies have shown marked genetic divergence between populations on either side of the Isthmus of Tehuantepec in southern Mexico, a common barrier of dry scrubby lowlands for many taxa (e.g., Bonaccorso et al, 2008 ; Barber & Klicka, 2010 ; Barrera-Guzmán et al, 2012 ; Ornelas et al, 2013 ; Ortiz-Ramírez et al, 2016 ), including hummingbirds ( Cortés-Rodríguez et al, 2008 ; González, Ornelas & Gutiérrez-Rodríguez, 2011 ; Arbeláez-Cortés & Navarro-Sigüenza, 2013 ; Rodríguez-Gómez, Gutiérrez-Rodríguez & Ornelas, 2013 ; Zamudio-Beltrán & Hernández-Baños, 2015 ; Rodríguez-Gómez & Ornelas, 2015 ), and between populations separated by the Nicaraguan Depression, a lowland corridor running from the Caribbean to the Pacific near the border between Costa Rica and Nicaragua ( Bonaccorso et al, 2008 ; Zamudio-Beltrán & Hernández-Baños, 2015 ; Ortiz-Ramírez et al, 2016 ). However, these geographic barriers seem permeable for highland species during the colder stages of the glacial cycles ( Gutiérrez-Rodríguez, Ornelas & Rodríguez-Gómez, 2011 ; Rodríguez-Gómez, Gutiérrez-Rodríguez & Ornelas, 2013 ; Rodríguez-Gómez & Ornelas, 2014 ; Ornelas & Rodríguez-Gómez, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

“…Using phylogeographical data and species distribution modelling, Ornelas et al (2015) described the various demographic responses of eight hummingbird species to Pleistocene climate changes in the region, including postglacial population expansion to northern areas, elevation isolation in the highlands of southern Chiapas and Guatemala, population expansion and range shifts through sites with suitable habitats or no demographic changes with persistence across the geographical range throughout glacial cycles, suggesting that the responses of these hummingbirds are idiosyncratic. The populations of several species show both marked genetic and morphological breaks related to these barriers (e.g., Barrera-Guzmán et al, 2012 ; Zamudio-Beltrán & Hernández-Baños, 2015 ). However, species with complex patterns of morphological variation including intermediate phenotypes and widespread sharing of haplotypes across the barriers suggesting incomplete lineage sorting and genetic introgression have been rarely investigated ( Milá et al, 2011 ).…”

Section: Introductionmentioning

confidence: 99%

Historical and current introgression in a Mesoamerican hummingbird species complex: a biogeographic perspective

Jiménez¹,

Ornelas²

2015

PeerJ

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The influence of geologic and Pleistocene glacial cycles might result in morphological and genetic complex scenarios in the biota of the Mesoamerican region. We tested whether berylline, blue-tailed and steely-blue hummingbirds, Amazilia beryllina, Amazilia cyanura and Amazilia saucerottei, show evidence of historical or current introgression as their plumage colour variation might suggest. We also analysed the role of past and present climatic events in promoting genetic introgression and species diversification. We collected mitochondrial DNA (mtDNA) sequence data and microsatellite loci scores for populations throughout the range of the three Amazilia species, as well as morphological and ecological data. Haplotype network, Bayesian phylogenetic and divergence time inference, historical demography, palaeodistribution modelling, and niche divergence tests were used to reconstruct the evolutionary history of this Amazilia species complex. An isolation-with-migration coalescent model and Bayesian assignment analysis were assessed to determine historical introgression and current genetic admixture. mtDNA haplotypes were geographically unstructured, with haplotypes from disparate areas interdispersed on a shallow tree and an unresolved haplotype network. Assignment analysis of the nuclear genome (nuDNA) supported three genetic groups with signs of genetic admixture, corresponding to: (1) A. beryllina populations located west of the Isthmus of Tehuantepec; (2) A. cyanura populations between the Isthmus of Tehuantepec and the Nicaraguan Depression (Nuclear Central America); and (3) A. saucerottei populations southeast of the Nicaraguan Depression. Gene flow and divergence time estimates, and demographic and palaeodistribution patterns suggest an evolutionary history of introgression mediated by Quaternary climatic fluctuations. High levels of gene flow were indicated by mtDNA and asymmetrical isolation-with-migration, whereas the microsatellite analyses found evidence for three genetic clusters with distributions corresponding to isolation by the Isthmus of Tehuantepec and the Nicaraguan Depression and signs of admixture. Historical levels of migration between genetically distinct groups estimated using microsatellites were higher than contemporary levels of migration. These results support the scenario of secondary contact and range contact during the glacial periods of the Pleistocene and strongly imply that the high levels of structure currently observed are a consequence of the limited dispersal of these hummingbirds across the isthmus and depression barriers.

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A multilocus analysis provides evidence for more than one species within Eugenes fulgens (Aves: Trochilidae)

Cited by 16 publications

References 30 publications

What drives genetic and phenotypic divergence in the Red‐crowned Ant tanager (Habia rubica, Aves: Cardinalidae), a polytypic species?

What drives genetic and phenotypic divergence in the Red‐crowned Ant tanager (Habia rubica, Aves: Cardinalidae), a polytypic species?

Deep divergence of Red-crowned Ant Tanager (Habia rubica: Cardinalidae), a multilocus phylogenetic analysis with emphasis in Mesoamerica

Historical and current introgression in a Mesoamerican hummingbird species complex: a biogeographic perspective

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