253 Works

Data from: An annotated draft genome of the mountain hare (Lepus timidus)

João Pedro Marques, Fernando A. Seixas, Jeffrey M. Good, Liliana Farelo, Colin M. Callahan, W. Ian Montgomery, Neil Reid, Paulo C. Alves, Pierre Boursot & José Melo-Ferreira
Hares (genus Lepus) provide clear examples of repeated and often massive introgressive hybridization and striking local adaptations. Genomic studies on this group have so far relied on comparisons to the European rabbit (Oryctolagus cuniculus) reference genome. Here, we report the first de novo draft reference genome for a hare species, the mountain hare (Lepus timidus), and evaluate the efficacy of whole-genome re-sequencing analyses using the new reference versus using the rabbit reference genome. The genome...

Data from: Current climate, but also long-term climate changes and human impacts, determine the geographic distribution of European mammal diversity

Ana Margarida Coelho Dos Santos, Marcus Cianciaruso, A. Marcia Barbosa, Luis Mauricio Bini, José Alexandre Diniz-Filho, Frederico Augusto Faleiro, Sidney Gouveia, Rafael Loyola, Nagore Medina, Thiago Rangel, Geiziane Tessarolo & Joaquín Hortal
Aim. Historical climate variations, current climate and human impacts are known to influence current species richness, but their effects on phylogenetic and trait diversity have been seldom studied. We investigated the relationship of these three factors with the independent variations of species, phylogenetic and trait diversity of European mammals. Considering the position of the 0ºC isotherm in the Last Glacial Maximum as a tipping point, we tested the following hypotheses: northern European assemblages host less...

The legacy of recurrent introgression during the radiation of hares

Mafalda S. Ferreira, Matthew R. Jones, Colin M. Callahan, Liliana Farelo, Zelalem Tolesa, Franz Suchentrunk, Pierre Boursot, L. Scott Mills, Paulo C. Alves, Jeffrey M. Good & José Melo-Ferreira
Hybridization may often be an important source of adaptive variation, but the extent and long-term impacts of introgression have seldom been evaluated in the phylogenetic context of a radiation. Hares (Lepus) represent a widespread mammalian radiation of 32 extant species characterized by striking ecological adaptations and recurrent admixture. To understand the relevance of introgressive hybridization during the diversification of Lepus, we analyzed whole exome sequences (61.7 Mb) from 15 species of hares (1- 4 individuals...

Data from: Fine-scale genetic structure reflects sex-specific dispersal strategies in a population of sociable weavers (Philetairus socius)

René E. Van Dijk, Rita Covas, Claire Doutrelant, Claire N. Spottiswoode & Ben J. Hatchwell
Dispersal is a critical driver of gene flow, with important consequences for population genetic structure, social interactions and other biological processes. Limited dispersal may result in kin-structured populations in which kin selection may operate, but it may also increase the risk of kin competition and inbreeding. Here, we use a combination of long-term field data and molecular genetics to examine dispersal patterns and their consequences for the population genetics of a highly social bird, the...

Data from: Multiple quantitative trait loci influence intra-specific variation in genital morphology between phylogenetically distinct lines of Drosophila montana

Martin A Schäfer, Jarkko Routtu, Jorge Vieira, Anneli Hoikkala, Mike G Ritchie & Christian Schlötterer
The evolution of animal genitalia has gained renewed interest, because of their potential roles during sexual selection and early stages of species formation. Although central to understanding the evolutionary process, knowledge of the genetic basis of natural variation in genital morphology is limited to a very few species. Using an out-bred cross between phylogenetically distinct lines of Drosophila montana, we characterized quantitative trait loci (QTLs) affecting the size and shape of the distiphallus, a prominent...

Data from: Niche evolution and thermal adaptation in the temperate species Drosophila americana

Neftali Sillero, Micael Reis, Cristina P. Vieira, Jorge Vieira, Ramiro Morales Hojas & R. Morales-Hojas
The study of ecological niche evolution is fundamental for understanding how the environment influences species’ geographical distributions and their adaptation to divergent environments. Here we present a study of the ecological niche, demographic history and thermal performance (locomotor activity, developmental time and fertility/viability) of the temperate species Drosophila americana and its two chromosomal forms. Temperature is the environmental factor that contributes most to the species’ and chromosomal forms’ ecological niches, although precipitation is also important...

Data from: Behavioural responses of Atlantic cod to sea temperature changes

Carla Freitas, Esben Moland Olsen, Even Moland, Lorenzo Ciannelli & Halvor Knutsen
Understanding responses of marine species to temperature variability is essential to predict impacts of future climate change in the oceans. Most ectotherms are expected to adjust their behavior to avoid extreme temperatures and minimize acute changes in body temperature. However, measuring such behavioral plasticity in the wild is challenging. Combining 4 years of telemetry-derived behavioral data on juvenile and adult (30–80 cm) Atlantic cod (Gadus morhua), and in situ ocean temperature measurements, we found a...

Data from: Range expansion underlies historical introgressive hybridization in the Iberian hare

João P. Marques, Liliana Farelo, Joana Vilela, Dan Vanderpool, Paulo C. Alves, Jeffrey M. Good, Pierre Boursot & José Melo-Ferreira
Introgressive hybridization is an important and widespread evolutionary process, but the relative roles of neutral demography and natural selection in promoting massive introgression are difficult to assess and an important matter of debate. Hares from the Iberian Peninsula provide an appropriate system to study this question. In its northern range, the Iberian hare, Lepus granatensis, shows a northwards gradient of increasing mitochondrial DNA (mtDNA) introgression from the arctic/boreal L. timidus, which it presumably replaced after...

Data from: Interpreting the genomic landscape of speciation: a road map for finding barriers to gene flow

Mark Ravinet, Rui Faria, Roger K. Butlin, Juan Galindo, Nicolas Bierne, Marina Rafajlović, Mohamed A. F. Noor, Bernhard Mehlig & Anja M. Westram
Speciation, the evolution of reproductive isolation amongst populations, is continuous, complex, and involves multiple, interacting barriers. Until it is complete, the effects of this process vary along the genome and can lead to a heterogeneous genomic landscape with peaks and troughs of differentiation and divergence. When gene flow occurs during speciation, barriers restricting migration locally in the genome lead to patterns of heterogeneity. However, genomic heterogeneity can also be produced or modified by variation in...

Data from: A metabolic syndrome in terrestrial ectotherms with different elevational and distribution patterns

Anamarija Žagar, Miguel A. Carretero, Diana Marguč, Tatjana Simčič & Al Vrezec
The metabolic performance of ectotherms is expected to be driven by the environment in which they live. Ecologically similar species with contrasting elevation distributions occurring in sympatry at mid-elevations, provide good models for studying how physiological responses to temperature vary as a function of adaptation to different elevations.. Under sympatry, at middle elevations, where divergent species ranges overlap, sympatric populations are expected to have similar thermal responses, suggesting similar local acclimation or adaptation, while observed...

Data from: Hybridization at an ecotone: ecological and genetic barriers between three Iberian vipers

Pedro Tarroso, Ricardo J. Pereira, Fernando Martínez-Freiría, Raquel Godinho & José Carlos Brito
The formation of stable genetic boundaries between emerging species is often diagnosed by reduced hybrid fitness relative to parental taxa. This reduced fitness can arise from endogenous and/or exogenous barriers to gene flow. Although detecting exogenous barriers in nature is difficult, we can estimate the role of ecological divergence in driving species boundaries by integrating molecular and ecological niche modelling tools. Here, we focus on a three-way secondary contact zone between three viper species (Vipera...

Data from: Phylogenetic patterns of geographical and ecological diversification in the subgenus Drosophila

Ramiro Morales-Hojas & Jorge Vieira
Colonisation of new geographic regions and/or of new ecological resources can result in rapid species diversification into the new ecological niches available. Members of the subgenus Drosophila are distributed across the globe and show a large diversity of ecological niches. Furthermore, taxonomic classification of Drosophila includes the rank radiation, which refers to closely related species groups. Nevertheless, it has never been tested if these taxonomic radiations correspond to evolutionary radiations. Here we present a study...

Data from: Validating the use of coloration patterns for individual recognition in the worm pipefish using a novel set of microsatellite markers

Nuno M. Monteiro, Rodolfo M. Silva, Mário Cunha, Agostinho Antunes, Adam G. Jones & Maria N. Vieira
In studies of behaviour, ecology and evolution, identification of individual organisms can be an invaluable tool, capable of unravelling otherwise cryptic information regarding group structure, movement patterns, population size and mating strategies. The use of natural markings is arguably the least invasive method for identification. However, to be truly useful natural markings must be sufficiently variable to allow for unique identification, while being stable enough to permit long-term studies. Non-invasive marking techniques are especially important...

Data from: The evolutionary history of the Cape hare (Lepus capensis sensu lato): insights for systematics and biogeography

Sara Lado, Paulo C. Alves, M. Zafarul Islam, José C. Brito & José Melo-Ferreira
Inferring the phylogeography of species with large distributions helps deciphering major diversification patterns that may occur in parallel across taxa. Here, we infer the evolutionary history of the Cape hare, Lepus capensis sensu lato, a species distributed from southern Africa to Asia, by analysing variation at 18 microsatellites and 9 DNA (1 mitochondrial and 8 nuclear) sequenced loci, from field and museum-collected samples. Using a combination of assignment and coalescent-based methods, we show that the...

Data from: Dopamine disruption increases cleanerfish cooperative investment in novel client partners

Marta C. Soares, Teresa P. Santos & João P.M. Messias
Social familiarization is a process of gaining knowledge that results from direct or indirect participation in social events. Cooperative exchanges are thought to be conditional upon familiarity with others. Indeed, individuals seem to prefer to engage with those that have previously interacted with them, which are more accurate predictors of reward than novel partners. On the other hand, highly social animals do seek novelty. Truth is that the physiological bases underlying how familiarity and novelty...

Data from: Postglacial range expansion shaped the spatial genetic structure in a marine habitat-forming species: implications for conservation plans in the Eastern Adriatic Sea

Jean-Baptiste Ledoux, Maša Frleta-Valić, Silvija Kipson, Agostinho Antunes, Emma Cebrian, Cristina Linares, Pablo Sánchez, Raphael Leblois & Joaquim Garrabou
Aim: Understanding how historical and contemporary processes shaped and maintain spatial patterns of genetic diversity is a major goal for conservation biologists. Here, we characterized the pattern of neutral genetic diversity and we inferred underlying processes in the habitat-forming octocoral Paramuricea clavata in the Adriatic Sea, a peculiar phylogeographic region of the Mediterranean Sea. Location: Eastern coast of the Adriatic Sea. Methods: We genotyped seven microsatellites in 454 individuals of P. clavata from 13 populations...

Data from: Bushmeat genetics: setting up a reference framework for the DNA-typing of African forest bushmeat

Philippe Gaubert, Flobert Njiokou, Ayodeji Olayemi, Paolo Pagani, Sylvain Dufour, Emmanuel Danquah, Mac Elikem K. Nutsuakor, Gabriel Ngua, Alain-Didier Missoup, Pablo A. Tedesco, Rémy Dernat & Agostinho Antunes
The bushmeat trade in tropical Africa represents illegal, unsustainable off-takes of millions of tons of wild game – mostly mammals – per year. We sequenced four mitochondrial gene fragments (cyt b, COI, 12S, 16S) in >300 bushmeat items representing nine mammalian orders and 59 morphological species from five western and central African countries (Guinea, Ghana, Nigeria, Cameroon and Equatorial Guinea). Our objectives were to assess the efficiency of cross-species PCR amplification and to evaluate the...

Preserving wintering frugivorous birds in agro‐ecosystems under land use change: Lessons from intensive and super-intensive olive orchards

Rui Morgado, Rui Pedroso, Miguel Porto, José Herrera, Francisco Rego, Francisco Moreira & Pedro Beja
Fleshy-fruit production is becoming more intensive worldwide, but how this affects frugivorous birds is poorly known. In the Mediterranean region, intensive and super-intensive olive orchards are fast expanding, potentially affecting millions of wintering songbirds. Here we test the idea that intensification may benefit frugivorous birds, at least locally, due to increased fruit availability, while negatively affecting the wider wintering bird community due to intensive management, structural simplification and landscape homogenisation. We estimated olive abundance and...

Protein structural alterations in diabetic cavernosal tissue - their role in erectile dysfunction progression

A. Castela, R. Soares, Pedro Coelho, Ruben Fernandes, R. Costa, P. Vendeira & C. Costa

Modeling the Past

José Ferraz-Caetano


Ana S. Moura & AMP Rodriguez

OIKOS: Design for Ecosystemic Spaces

Fátima Pombo, Vasco Branco, Heitor Alvelos, Paula Tavares & Helena Barbosa

Construção com cortiça e terra - uma simbiose (im)provável - Análise da sobreposição das zonas de construção em terra com a incidência de montado

Joana Guerreiro Silva, Clara Pimenta do Vale, Pilar Abreu e Lima & Joana Marques

Reabilitação de edifícios recentes: Continuidade e reinterpretação. Conjunto Habitacional da Bouça.

Clara Pimenta do Vale & Vitor Trindade Abrantes

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  • University of Porto
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