Search results for: Ella Vázquez-Domínguez

Items from 1 to 20 out of 25 results

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Environmental and anthropogenic factors mediating the functional connectivity of the mesquite lizard along the eastern Trans‐Mexican Volcanic Belt

Óscar Romero‐Báez, Melanie A. Murphy, Aníbal H. Díaz de la Vega‐Pérez, Ella Vázquez‐Domínguez

Functional connectivity, the extent to which a landscape facilitates or impedes the dispersal of individuals across the landscape, is a key factor for the survival of species. Anthropogenic activities, such as urbanization, agriculture and roads, negatively impact functional connectivity of most species, particularly low‐vagility species like lizards. Here, we examine how a landscape modified by anthropogenic...

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Complex genetic patterns and distribution limits mediated by native congeners of the worldwide invasive red‐eared slider turtle

Sayra Espindola, Ella Vázquez‐Domínguez, Miguel Nakamura, Luis Osorio‐Olvera, more

Molecular Ecology > 31 > 6 > 1766 - 1782

Non‐native (invasive) species offer a unique opportunity to study the geographical distribution and range limits of species, wherein the evolutionary change driven by interspecific interactions between native and non‐native closely related species is a key component. The red‐eared slider turtle, Trachemys scripta elegans (TSE), has been introduced and successfully established worldwide. It can coexist...

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Phenotypic and genomic diversification with isolation by environment along elevational gradients in a neotropical treefrog

Ricardo Medina, Guinevere O. U. Wogan, Ke Bi, Flavia Termignoni‐García, more

Molecular Ecology > 30 > 16 > 4062 - 4076

Understanding how geographic and environmental heterogeneity drive local patterns of genetic variation is a major goal of ecological genomics and a key question in evolutionary biology. The tropical Andes and inter‐Andean valleys are shaped by markedly heterogeneous landscapes, where species experience strong selective processes. We examined genome‐wide SNP data together with behavioural and ecological...

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Conservation implications of living in forest remnants: Inbreeding and genetic structure of the northernmost mantled howler monkeys

Brenda Solórzano‐García, Diego Zubillaga, Daniel Piñero, Ella Vázquez‐Domínguez

Biotropica > 53 > 4 > 1163 - 1177

The current unprecedented rates of environmental perturbation, particularly in rain forest ecosystems, are jeopardizing the persistence of a variety of tropical species. The development of adequate conservation programs requires incorporating the evolutionary history and population genetic information of species, especially in those threatened by habitat loss and fragmentation. Mexican mantled howler...

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Striking habitat reduction, decreased genetic diversity, and imperilled conservation of natural populations of Terrapene coahuila

Xochiquetzal Cortés‐Rodríguez, Gabriela Borja‐Martínez, Ella Vázquez‐Domínguez

Freshwater Biology > 66 > 5 > 842 - 858

Long‐term evolutionary history and demographic processes shape current patterns of genetic variation in natural populations. Genetic diversity is of prime importance for the long‐term survival of species, especially those threatened or endangered, which can be lost in a few generations and can take hundreds to recover. Notably, turtles are among the most endangered vertebrate taxa in the world...

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A tale of four bears: Environmental signal on the phylogeographical patterns within the extant Ursus species

Carlos Luna‐Aranguré, Jorge Soberón, Ella Vázquez‐Domínguez

Journal of Biogeography > 47 > 2 > 472 - 486

Aim Assessing the relevance of niche evolution in the diversification patterns and geographical distribution of species driven by climate remains a challenge. We apply an integrative approach to evaluate the role of the environment on the phylogeography of bear species, incorporating fossil data to characterize the changes in the ecological niche through time. We evaluate our approach with the four...

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Molecular systematics, species delimitation and diversification patterns of the Phyllodactylus lanei complex (Gekkota: Phyllodactylidae) in Mexico

Tonatiuh Ramírez-Reyes, Daniel Piñero, Oscar Flores-Villela, Ella Vázquez-Domínguez

Molecular Phylogenetics and Evolution > 2017 > 115 > C > 82-94

The description of cryptic gecko species worldwide has revealed both that many putative species are, in fact, conformed by a complex of morphologically conserved species that are genetically distinct and highly divergent, and that gecko species diversity could be underestimated. The taxonomy and species delimitation of geckos belonging to the genus Phyllodactylus is still controversial, 16 of which...

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The role of the environment on the genetic divergence between two Boa imperator lineages

Marco Suárez‐Atilano, Octavio Rojas‐Soto, Juan L. Parra, Ella Vázquez‐Domínguez

Journal of Biogeography > 44 > 9 > 2045 - 2056

Aim A fundamental problem in evolutionary biology has been understanding the role of environmental factors in the process of genetic diversification. Our main goal was to define the ecological niches of two Boa imperator lineages, in order to assess if environmental drivers could be associated with the divergence and genetic variation between them. We quantified the environmental niches at two evolutionary...

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Intricate evolutionary histories in montane species: a phylogenetic window into craniodental discrimination in the Peromyscus mexicanus species group (Mammalia: Rodentia: Cricetidae)

Sergio G. Pérez‐Consuegra, Ella Vázquez‐Domínguez

Journal of Zoological Systematics and Evolutionary Research > 55 > 1 > 57 - 72

Mountain‐associated species, which exhibit allopatric distributions associated with elevation, endemisms and complex evolutionary histories, pose challenging evolutionary scenarios in which to discern the diversification of species. The Peromyscus mexicanus mice group, distributed along mountains in southern Mexico and Central America, is morphometrically variable, a key rationale for the ongoing...

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Population genomics applications for conservation: the case of the tropical dry forest dweller Peromyscus melanophrys

Rodrigo Vega, Ella Vázquez-Domínguez, Thomas A. White, David Valenzuela-Galván, more

Conservation Genetics > 2017 > 18 > 2 > 313-326

Recent advances in genomic sequencing have opened new horizons in the study of population genetics and evolution in non-model organisms. However, very few population genomic studies have been performed on wild mammals to understand how the landscape affects the genetic structure of populations, useful information for the conservation of biodiversity. Here, we applied a genomic approach to evaluate...

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Genetic and morphological evidence of a geographically widespread hybrid zone between two crocodile species, Crocodylus acutus and Crocodylus moreletii

Gualberto Pacheco‐Sierra, Zachariah Gompert, Jerónimo Domínguez‐Laso, Ella Vázquez‐Domínguez

Molecular Ecology > 25 > 14 > 3484 - 3498

Hybrid zones represent natural laboratories to study gene flow, divergence and the nature of species boundaries between closely related taxa. We evaluated the level and extent of hybridization between Crocodylus moreletii and Crocodylus acutus using genetic and morphological data on 300 crocodiles from 65 localities. To our knowledge, this is the first genetic study that includes the entire historic...

article

All grown‐up and nowhere to go: paedomorphosis and local adaptation in Ambystoma salamanders in the Cuenca Oriental of Mexico

Ruth Percino‐Daniel, Ernesto Recuero, Ella Vázquez‐Domínguez, Kelly R. Zamudio, more

Biological Journal of the Linnean Society > 118 > 3 > 582 - 597

Facultative or obligate paedomorphosis has evolved several times in Mexican populations of the salamander genus Ambystoma, leading to increased genetic divergence among populations with alternate life histories and contributing to population divergence in this species complex. In the present study, we surveyed the genetic diversity of Ambystoma populations in lakes of the Cuenca Oriental, a high elevation...

article

Mitochondrial diversification of the Peromyscus mexicanus species group in Nuclear Central America: biogeographic and taxonomic implications

Sergio Guillermo Pérez Consuegra, Ella Vázquez‐Domínguez

Journal of Zoological Systematics and Evolutionary Research > 53 > 4 > 300 - 311

The mountain mice of the Peromyscus mexicanus group currently encompass six known species; however, the limits between species remain uncertain, with two considered monotypic and the other four having multiple associated subspecific names. Based on the most comprehensive sampling of the group throughout its distribution in Nuclear Central America, we used data of the mitochondrial cytochrome b gene...

article

Phylogeographical structure within Boa constrictor imperator across the lowlands and mountains of Central America and Mexico

Marco Suárez‐Atilano, Frank Burbrink, Ella Vázquez‐Domínguez, Brett Riddle

Journal of Biogeography > 41 > 12 > 2371 - 2384

AimTo evaluate the genetic diversity and phylogeographical structure of Boa constrictor imperator, in order to identify the key historical events responsible for its current distribution and diversity. LocationThe Neotropical region of Mexico and mainland Central America. MethodsWe used data from the mitochondrial cytochrome b gene, nuclear ornithine decarboxylase intron and microsatellites to perform...

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High genetic structure of the Cozumel Harvest mice, a critically endangered island endemic: conservation implications

Sayra Espindola, Alfredo D. Cuarón, Oscar E. Gaggiotti, Ella Vázquez-Domínguez

Conservation Genetics > 2014 > 15 > 6 > 1393-1402

We assessed the genetic structure and diversity of Reithrodontomys spectabilis, a critically endangered, endemic rodent from Cozumel Island, México. A total of 90 individuals were trapped from September 2001 to January 2005. Microsatellite data analysis revealed high genetic diversity values: a total of 113 alleles (average 12.5 per locus), H _o = 0.78, H _e = 0.80. These high values can be related...

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Evolutionary diversification and speciation in rodents of the Mexican lowlands: The Peromyscus melanophrys species group

Susette Castañeda-Rico, Livia León-Paniagua, Ella Vázquez-Domínguez, Adolfo G. Navarro-Sigüenza

Molecular Phylogenetics and Evolution > 2014 > 70 > Complete > 454-463

Despite some studies of the species groups within the genus Peromyscus have been performed, both evolutionary relationships among species within groups and group composition have remained controversial. In this study, we address phylogenetic relationships among species in the Peromyscus melanophrys group (P. melanophrys, P. perfulvus, and P. mekisturus), using a molecular phylogenetic analysis. This...

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Genetic structure and divergence in populations of Lutzomyia cruciata, a phlebotomine sand fly (Diptera: Psychodidae) vector of Leishmania mexicana in southeastern Mexico

Angélica Pech-May, Carlos F. Marina, Ella Vázquez-Domínguez, Miriam Berzunza-Cruz, more

Infection, Genetics and Evolution > 2013 > 16 > Complete > 254-262

The low dispersal capacity of sand flies could lead to population isolation due to geographic barriers, climate variation, or to population fragmentation associated with specific local habitats due to landscape modification. The phlebotomine sand fly Lutzomyia cruciata has a wide distribution throughout Mexico and is a vector of Leishmania mexicana in the southeast. The aim of this study was to evaluate...

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Consensus between genes and stones in the biogeographic and evolutionary history of Central America

Tania Anaid Gutiérrez-García, Ella Vázquez-Domínguez

Quaternary Research > 2013 > 79 > 3 > 311-324

Results from genetic and geologic studies can be combined to elucidate some general patterns of the biogeographic and evolutionary history of Central America (CA) and of its biota. Based on an ample review of geologic, biogeographic and genetic studies, our aim was to examine how common genetic patterns can be linked with geologic processes. Considering information about geologic and tectonic evolution...

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Characterization of ten new microsatellite loci from the endangered endemic rodent, Reithrodontomys spectabilis

Ella Vázquez-Domínguez, Sayra Espindola

Conservation Genetics Resources > 2013 > 5 > 1 > 251-253

Reithrodontomys spectabilis is an endemic rodent inhabiting Cozumel island in the Mexican Caribbean. This species is categorized as Threatened by Mexican law and as Critically Endangered by the IUCN. We report 10 polymorphic microsatellite loci, which were tested in 30 individuals trapped on the island. Results show a number of alleles ranging from 3 to 14, an observed heterozygosity of 0.200–0.967...

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Biogeographically dynamic genetic structure bridging two continents in the monotypic Central American rodent Ototylomys phyllotis

Tania A. Gutiérrez‐García, Ella Vázquez‐Domínguez

Biological Journal of the Linnean Society > 107 > 3 > 593 - 610

Central America is an ideal region in which to study patterns of historical divergence and population genetic differentiation, because of its extraordinarily dynamic biogeographical, tectonic, and climatic history. The rodent Ototylomys phyllotis is the only extant species of the genus Ototylomys and is distributed within this region from the Isthmus of Tehuantepec, Mexico, to central Costa Rica,...

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INFONA - science communication portal

Search results for: Ella Vázquez-Domínguez

Environmental and anthropogenic factors mediating the functional connectivity of the mesquite lizard along the eastern Trans‐Mexican Volcanic Belt

Complex genetic patterns and distribution limits mediated by native congeners of the worldwide invasive red‐eared slider turtle

Phenotypic and genomic diversification with isolation by environment along elevational gradients in a neotropical treefrog

Conservation implications of living in forest remnants: Inbreeding and genetic structure of the northernmost mantled howler monkeys

Striking habitat reduction, decreased genetic diversity, and imperilled conservation of natural populations of Terrapene coahuila

A tale of four bears: Environmental signal on the phylogeographical patterns within the extant Ursus species

Molecular systematics, species delimitation and diversification patterns of the Phyllodactylus lanei complex (Gekkota: Phyllodactylidae) in Mexico

The role of the environment on the genetic divergence between two Boa imperator lineages

Intricate evolutionary histories in montane species: a phylogenetic window into craniodental discrimination in the Peromyscus mexicanus species group (Mammalia: Rodentia: Cricetidae)

Population genomics applications for conservation: the case of the tropical dry forest dweller Peromyscus melanophrys

Genetic and morphological evidence of a geographically widespread hybrid zone between two crocodile species, Crocodylus acutus and Crocodylus moreletii

All grown‐up and nowhere to go: paedomorphosis and local adaptation in Ambystoma salamanders in the Cuenca Oriental of Mexico

Mitochondrial diversification of the Peromyscus mexicanus species group in Nuclear Central America: biogeographic and taxonomic implications

Phylogeographical structure within Boa constrictor imperator across the lowlands and mountains of Central America and Mexico

High genetic structure of the Cozumel Harvest mice, a critically endangered island endemic: conservation implications

Evolutionary diversification and speciation in rodents of the Mexican lowlands: The Peromyscus melanophrys species group

Genetic structure and divergence in populations of Lutzomyia cruciata, a phlebotomine sand fly (Diptera: Psychodidae) vector of Leishmania mexicana in southeastern Mexico

Consensus between genes and stones in the biogeographic and evolutionary history of Central America

Characterization of ten new microsatellite loci from the endangered endemic rodent, Reithrodontomys spectabilis

Biogeographically dynamic genetic structure bridging two continents in the monotypic Central American rodent Ototylomys phyllotis

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