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MacPherson A, Wang S, Yamaguchi R, Rieseberg L, Otto S. Parental Population Range Expansion Before Secondary Contact Promotes Heterosis. Am Nat 2022; 200:E1-E15. [DOI: 10.1086/719656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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2
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Castillo-Chora VDJ, Sánchez-González LA, Mastretta-Yanes A, Prieto-Torres DA, Navarro-Sigüenza AG. Insights into the importance of areas of climatic stability in the evolution and maintenance of avian diversity in the Mesoamerican dry forests. Biol J Linn Soc Lond 2021. [DOI: 10.1093/biolinnean/blaa202] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
We analysed the phylogeographic structure of five resident bird lineages distributed in the seasonally dry tropical forests (SDTF) of Mesoamerica to test whether they show patterns of synchronous and geographically coincident genetic divergence during the Quaternary. We generated phylogenetic trees, estimated divergence times and analysed the genetic structure of populations (based on sequences of mitochondrial genes), as well as estimating historical distributions (range extension and areas of long-term climate stability) during the Late Pleistocene. We tested and selected the phylogeographic divergence scenarios that best explain the current divergence patterns of taxa using the Approximate Bayesian Computation (ABC) approach. For most species, phylogenetic trees and haplotype networks showed a clear genetic structure associated with geographical distribution. Overall, the divergence times ranged from 0.29–2.0 Mya, suggesting that diversification of populations occurred at different times during the Pleistocene. The palaeodistribution models predicted at least two areas of climatic stability within the current SDTF that probably allowed glacial-interglacial persistence of isolated bird populations along the Mexican Pacific, thus promoting their genetic divergence. The results provide information relevant to the identification of diversification hotspots for the Mesoamerican SDTF avifauna.
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Affiliation(s)
- Vicente De J Castillo-Chora
- Museo de Zoología, Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, A.P., Mexico City, México
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México
| | - Luis A Sánchez-González
- Museo de Zoología, Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, A.P., Mexico City, México
| | - Alicia Mastretta-Yanes
- CONACYT—CONABIO, Comisión Nacional para el Conocimiento y Uso de la Biodiversidad, Liga Periférico-Insurgentes Sur No. 4903, Parques del Pedregal, Tlalpan, Mexico City, México
| | - David A Prieto-Torres
- Museo de Zoología, Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, A.P., Mexico City, México
| | - Adolfo G Navarro-Sigüenza
- Museo de Zoología, Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, A.P., Mexico City, México
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Zanin M, Gonzalez-Borrajo N, ChÁvez C, Rubio Y, Harmsen B, Keller C, Villalva P, Srbek-Araujo AC, Costa LP, Palomares F. The differential genetic signatures related to climatic landscapes for jaguars and pumas on a continental scale. Integr Zool 2020; 16:2-18. [PMID: 32929877 DOI: 10.1111/1749-4877.12486] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Modern and paleoclimate changes may have altered species dynamics by shifting species' niche suitability over space and time. We analyze whether the current genetic structure and isolation of the two large American felids, jaguar (Panthera onca) and puma (Puma concolor), are mediated by changes in climatic suitability and connection routes over modern and paleoclimatic landscapes. We estimate species distribution under 5 climatic landscapes (modern, Holocene, last maximum glaciations [LMG], average suitability, and climatic instability) and correlate them with individuals' genetic isolation through causal modeling on a resemblance matrix. Both species exhibit genetic isolation patterns correlated with LMG climatic suitability, suggesting that these areas may have worked as "allele refuges." However, the jaguar showed higher vulnerability to climate changes, responding to modern climatic suitability and connection routes, whereas the puma showed a continuous and gradual transition of genetic variation. Despite differential responsiveness to climate change, both species are subjected to the climatic effects on genetic configuration, which may make them susceptible to future climatic changes, since these are progressing faster and with higher intensity than changes in the paleoclimate. Thus, the effects of climatic changes should be considered in the design of conservation strategies to ensure evolutionary and demographic processes mediated by gene flow for both species.
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Affiliation(s)
- Marina Zanin
- Biology Department, Federal University of Maranhão, São Luís, Brazil
| | - Noa Gonzalez-Borrajo
- Departamento de Biologia de la Conservación, Estación Biológica de Doñana, Sevilla, Spain
| | - Cuauhtémoc ChÁvez
- Departamento de Ciencias Ambientales, Universidad Autónoma Metropolitana, Mexico City, Mexico
| | - Yamel Rubio
- Escuela de Biologia, Universidad Autónoma de Sinaloa, Culiacán, Mexico
| | | | - Claudia Keller
- Biodiversity Coordination, Amazon Research Institute, Manaus, Brazil
| | - Pablo Villalva
- Departamento de Biologia de la Conservación, Estación Biológica de Doñana, Sevilla, Spain
| | | | - Leonora Pires Costa
- Biological Sciences Department, Federal University of Espírito Santo, Vitória, Brazil
| | - Francisco Palomares
- Departamento de Biologia de la Conservación, Estación Biológica de Doñana, Sevilla, Spain
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Graham MR, Santibáñez‐López CE, Derkarabetian S, Hendrixson BE. Pleistocene persistence and expansion in tarantulas on the Colorado Plateau and the effects of missing data on phylogeographical inferences from RADseq. Mol Ecol 2020; 29:3684-3701. [DOI: 10.1111/mec.15588] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 12/26/2022]
Affiliation(s)
- Matthew R. Graham
- Department of Biology Eastern Connecticut State University Willimantic CT USA
| | | | - Shahan Derkarabetian
- Department of Organismic and Evolutionary Biology Museum of Comparative Zoology Harvard University Cambridge MA USA
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Bangs MR, Douglas MR, Brunner PC, Douglas ME. Reticulate evolution as a management challenge: Patterns of admixture with phylogenetic distance in endemic fishes of western North America. Evol Appl 2020; 13:1400-1419. [PMID: 32684966 PMCID: PMC7359839 DOI: 10.1111/eva.13042] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 05/20/2020] [Accepted: 05/26/2020] [Indexed: 12/12/2022] Open
Abstract
Admixture in natural populations is a long-standing management challenge, with population genomic approaches offering means for adjudication. We now more clearly understand the permeability of species boundaries and the potential of admixture for promoting adaptive evolution. These issues particularly resonate in western North America, where tectonism and aridity have fragmented and reshuffled rivers over millennia, in turn promoting reticulation among endemic fishes, a situation compounded by anthropogenic habitat modifications and non-native introductions. The melding of historic and contemporary admixture has both confused and stymied management. We underscore this situation with a case study that quantifies basin-wide admixture among a group of native and introduced fishes by employing double-digest restriction site-associated DNA (ddRAD) sequencing. Our approach: (a) quantifies the admixed history of 343 suckers (10 species of Catostomidae) across the Colorado River Basin; (b) gauges admixture within the context of phylogenetic distance and "ecological specialization"; and (c) extrapolates potential drivers of introgression across hybrid crosses that involve endemic as well as invasive species. Our study extends across an entire freshwater basin and expands previous studies more limited in scope both geographically and taxonomically. Our results detected admixture involving all 10 species, with habitat alterations not only accelerating the breakdown of reproductive isolation, but also promoting introgression. Hybridization occurred across the genus despite phylogenetic distance, whereas introgression was only detected within subgenera, implicating phylogenetic distance and/or ecological specialization as drivers of reproductive isolation. Understanding the extent of admixture and reproductive isolation across multiple species serves to disentangle their reticulate evolutionary histories and provides a broadscale perspective for basin-wide conservation and management.
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Affiliation(s)
- Max R. Bangs
- Department of Biological SciencesUniversity of ArkansasFayettevilleARUSA
- Department of Biological SciencesFlorida State UniversityTallahasseeFLUSA
| | - Marlis R. Douglas
- Department of Biological SciencesUniversity of ArkansasFayettevilleARUSA
| | - Patrick C. Brunner
- Integrative BiologySwiss Federal Institute of Technology (ETH)ZürichSwitzerland
| | - Michael E. Douglas
- Department of Biological SciencesUniversity of ArkansasFayettevilleARUSA
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Zamudio-Beltrán LE, Licona-Vera Y, Hernández-Baños BE, Klicka J, Ornelas JF. Phylogeography of the widespread white-eared hummingbird (Hylocharis leucotis): pre-glacial expansion and genetic differentiation of populations separated by the Isthmus of Tehuantepec. Biol J Linn Soc Lond 2020. [DOI: 10.1093/biolinnean/blaa043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
AbstractThe Pleistocene glacial cycles had a strong influence on the demography and genetic structure of many species, particularly on northern-latitude taxa. Here we studied the phylogeography of the white-eared hummingbird (Hylocharis leucotis), a widely distributed species of the highlands of Mexico and Central America. Analysis of mitochondrial DNA (mtDNA) sequences was combined with ecological niche modelling (ENM) to infer the demographic and population differentiation scenarios under present and past conditions. Analyses of 108 samples from 11 geographic locations revealed population structure and genetic differentiation among populations separated by the Isthmus of Tehuantepec (IT) and the Motagua-Polochic-Jocotán (MPJ) fault barriers. ENM predicted a widespread distribution of suitable habitat for H. leucotis since the Last Inter Glacial (LIG), but this habitat noticeably contracted and fragmented at the IT. Models for historical dispersal corridors based on population genetics data and ENM revealed the existence of corridors among populations west of the IT; however, the connectivity of populations across the IT has changed little since the LIG. The shallow geographic structure on either side of the isthmus and a star-like haplotype network, combined with the long-term persistence of populations across time based on genetic data and potential dispersal routes, support a scenario of divergence with migration and subsequent isolation and differentiation in Chiapas and south of the MPJ fault. Our findings corroborate the profound effects of Pleistocene climatic fluctuations on the evolutionary history of montane taxa but challenge the generality of expanded suitable habitat (pine-oak forests) during glacial cycles.
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Affiliation(s)
- Luz E Zamudio-Beltrán
- Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Yuyini Licona-Vera
- Departamento de Biología Evolutiva, Instituto de Ecología, Asociación Civil (INECOL), Xalapa, Veracruz, Mexico
| | - Blanca E Hernández-Baños
- Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - John Klicka
- Burke Museum of Natural History and Culture, University of Washington, Seattle, WA, USA
| | - Juan Francisco Ornelas
- Departamento de Biología Evolutiva, Instituto de Ecología, Asociación Civil (INECOL), Xalapa, Veracruz, Mexico
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Rocha-Méndez A, Sánchez-González LA, González C, Navarro-Sigüenza AG. The geography of evolutionary divergence in the highly endemic avifauna from the Sierra Madre del Sur, Mexico. BMC Evol Biol 2019; 19:237. [PMID: 31888449 PMCID: PMC6937948 DOI: 10.1186/s12862-019-1564-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 12/15/2019] [Indexed: 11/30/2022] Open
Abstract
Background Mesoamerica is a remarkable region with a high geological and ecological complexity. Within northern Mesoamerica, the biotic province of the Sierra Madre del Sur (SMS) in southwestern Mexico harbors exceptionally high avian endemism and diversity. Herein, we searched for spatially and temporally concordant phylogeographic patterns, in four bird genera from three distinct avian orders co-distributed across Mesoamerica and investigated their causes through hypothesis testing regarding historical processes. Selected species include endemic and differentiated populations across the montane forests of Mesoamerica, and particularly within the SMS. Results We gathered mitochondrial DNA sequences for at least one locus from 177 individuals across all species. We assessed genetic structure, demographic history, and defined a framework for the coalescent simulations used in biogeographic hypothesis testing temporal and spatial co-variance. Our analyses suggested shared phylogeographic breaks in areas corresponding to the SMS populations, and between the main montane systems in Mesoamerica, with the Central Valley of Oaxaca and the Nicaragua Depression being the most frequently shared breaks among analyzed taxa. Nevertheless, dating analyses and divergence patterns observed were consistent with the hypothesis of broad vicariance across Mesoamerica derived from mechanisms operating at distinct times across taxa in the SMS. Conclusions Our study provides a framework for understanding the evolutionary origins and historical factors enhancing speciation in well-defined regions within Mesoamerica, indicating that the evolutionary history of extant biota inhabiting montane forests is complex and often idiosyncratic.
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Affiliation(s)
- Alberto Rocha-Méndez
- Museo de Zoología, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 70-399, 04510, Mexico City, Mexico. .,Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de Mexico, Mexico City, Mexico.
| | - Luis A Sánchez-González
- Museo de Zoología, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 70-399, 04510, Mexico City, Mexico
| | - Clementina González
- Instituto de Investigaciones sobre los Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
| | - Adolfo G Navarro-Sigüenza
- Museo de Zoología, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apartado Postal 70-399, 04510, Mexico City, Mexico.,Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de Mexico, Mexico City, Mexico
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