29 Works

Data from: Multilocus patterns of genetic variation across Cryptosporidium species suggest balancing selection at the gp60 locus

Jose Luis Abal-Fabeiro, Xulio Maside, Xabier Bello, Jose Llovo & Carolina Bartolomé
Cryptosporidium is an apicomplexan protozoan that parasites most vertebrates, including humans. Its gp60 gene is functionally involved in its attachement to host’s cells and its high level of genetic variation has made it the reference marker for sample typing in epidemiological studies. To understand the origin of such high diversity and to determine the extent to which this classification applies to the rest of the genome, we analysed the patterns of variation at gp60 and...

Past and future decline of tropical pelagic biodiversity

Moriaki Yasuhara, Chih-Lin Wei, Michal Kucera, Mark Costello, Derek Tittensor, Wolfgang Kiessling, Timothy Bonebrake, Clay Tabor, Ran Feng, Andrés Baselga, Kerstin Kretschmer, Buntarou Kusumoto & Yasuhiro Kubota
A major research question concerning global pelagic biodiversity remains unanswered: when did the apparent tropical biodiversity depression (i.e., bimodality of latitudinal diversity gradient [LDG]) begin? The bimodal LDG may be a consequence of recent ocean warming or of deep-time evolutionary speciation and extinction processes. Using rich time-slice datasets of planktonic foraminifers, we show here that a unimodal (or only weakly bimodal) diversity gradient, with a plateau in the tropics, occurred during the last ice age...

Data from: Anthropogenic disruption of the night sky darkness in urban and rural areas

Salvador Bará
The growing emissions of artificial light to the atmosphere are producing, among other effects, a significant increase of the night sky brightness (NSB) above its expected natural values. A permanent sensor network has been deployed in Galicia (northwest of Iberian peninsula) to monitor the anthropogenic disruption of the night sky darkness in a countrywide area. The network is composed of 14 detectors integrated in automated weather stations of MeteoGalicia, the Galician public meteorological agency. Zenithal...

Diáspora en feminino e cinema

Margarita Ledo Andion
Cinema & Território: Revista Internacional de Arte e Antropologia das Imagens, nº 3, 2018, 92-101.

Evolución del documental interactivo: perspectivas y retos para su consolidación

Jorge Vázquez-Herrero, Xosé López-García & Arnau Gifreu-Castells

Data from: More than meets the eye: detecting cryptic microgeographic population structure in a parasite with a complex life cycle

Charles D Criscione, Román Vilas, Esperanza Paniagua & Michael S Blouin
Nonrandom recruitment of parasites among hosts can lead to genetic differentiation among hosts and mating dynamics that promote inbreeding. It has been hypothesized that strictly aquatic parasites with intermediate hosts will behave as panmictic populations among hosts because ample opportunity exists for random mixing of unrelated individuals during transmission to the definitive host. A previous allozyme study on the marine trematode Lecithochirium fusiforme did not support this hypothesis in that there was genetic differentiation among,...

Data from: Royal dynasties as human inbreeding laboratories: the Habsburgs

Francisco C. Ceballos & Gonzalo Alvarez
The European royal dynasties of the Early Modern Age provide a useful framework for human inbreeding research. In this article, consanguineous marriage, inbreeding depression and the purging of deleterious alleles within a consanguineous population are investigated in the Habsburgs, a royal dynasty with a long history of consanguinity over generations. Genealogical information from a number of historical sources was used to compute kinship and inbreeding coefficients for the Habsburgs. Marriages contracted by the Habsburgs from...

Data from: Psychiatric comorbidity in patients from the addictive disorders assistance units of Galicia: the COPSIAD study

César Pereiro, Carlos Pino, Gerardo Flórez, Manuel Arrojo & Elisardo Becoña
The objective of this study is to assess the prevalence of psychiatric comorbidity in patients under treatment within the addictive disorders assistance units of Galicia (Spain). Material and methods: A total of 64 healthcare professionals performed clinical diagnosis of mental disorders (on DSM IV-TR criteria) in 2300 patients treated throughout March 2010 in 21 addictive disorders assistance units. Results: 56.3% of patients with substance abuse/dependency also showed some other mental disorder, 42.2% of patients suffering...

Data from: Exploitation of a turbot (Scophthalmus maximus L.) immune-related expressed sequence tag (EST) database for microsatellite screening and validation

Rafael Navajas-Pérez, Francisca Robles, María-Jesus Molina-Luzón, Roberto De La Herrán, José Antonio Álvarez-Dios, Belen G. Pardo, Manuel Vera, Carmen Bouza & Paulino Martínez
In this study, we identified and characterized 160 microsatellite loci from an expressed sequence tag (EST) database generated from immune-related organs of turbot (Scophthalmus maximus). A final set of 83 new polymorphic microsatellites were validated after the analysis of 40 individuals from Atlantic origin including both wild and farmed individuals. The allele number and the expected heterozygosity ranged from 2 to 18 and from 0.021 to 0.951, respectively. Evidences of null alleles at moderate-high frequencies...

Las formas reducidas de facĕre en el noroeste de la península ibérica Convergencia y divergencia geolingüísticas

Francisco Dubert-García
El asturleonés, el gallego y algunos dialectos del portugués del noreste se caracterizan por presentar un radical fa- en la 2SG, 3SG y 3PL del presente de indicativo y en la 2SG del imperativo del verbo facer/fazer/faer/fer. Estas formas aparecen también en las mismas personas del presente de indicativo del aragonés y del catalán (aunque no en la 2SG de su imperativo). En este trabajo se defiende que todas estas formas tienen un origen común...

Data from: Regional environmental pressure influences population differentiation in turbot (Scophthalmus maximus)

S. G. Vandamme, G. E. Maes, J. A. M. Raeymaekers, K. Cottenie, A. K. Imsland, B. Hellemans, G. Lacroix, E. Mac Aoidh, J. T. Martinsohn, P. Martínez, J. Robbens, R. Vilas & F. A. M. Volckaert
Unravelling the factors shaping the genetic structure of mobile marine species is challenging due to the high potential for gene flow. However, genetic inference can be greatly enhanced by increasing the genomic, geographic or environmental resolution of population genetic studies. Here we investigated the population structure of turbot (Scophthalmus maximus) by screening 17 random and gene-linked markers in 999 individuals at 290 geographical locations throughout the Northeast Atlantic Ocean. A seascape genetics approach with the...

Data from: Seed dispersers help plants to escape global warming

Juan P. González-Varo, José V. López-Bao & José Guitián
Plants are shifting their ranges towards higher elevations in response to global warming, yet such shifts are occurring at a rate slower than is needed to keep pace with a rapidly changing climate. There is, however, an almost complete lack of knowledge on seed dispersal across altitude, a key process to understand what constrains climate-driven range shifts. Here, we report the first direct empirical evidence on altitudinal seed dispersal mediated by two common frugivorous mammals:...

Data from: Social media enhances languages differentiation: a mathematical description

Ignacio Vidal-Franco, Jacobo Guiu-Souto & Alberto P. Pérez Muñuzuri
Understanding and predicting the evolution of competing languages is a topic of high interest in a world with more than 6000 languages competing in a highly connected environment. We consider a reasonable mathematical model describing a situation of competition between two languages and analyse the effect of the speakers' connectivity (i.e. social networks). Surprisingly, instead of homogenizing the system, a high degree of connectivity helps to introduce differentiation for the appropriate parameters.

Data from: Parallel evolution and adaptation to environmental factors in a marine flatfish: implications for fisheries and aquaculture management of the turbot (Scophthalmus maximus)

Fernanda Dotti Do Prado, Manuel Vera, Miguel Hermida, Carmen Bouza, Belén G. Pardo, Román Vilas, Andrés Blanco, Carlos Fernández, Francesco Maroso, Gregory E. Maes, Cemal Turan, Filip A.M. Volckaert, John B. Taggart, Adrian Carr, Rob Ogden, Einar E. Nielsen, The Aquatrace Consortium, Paulino Martínez & Filip A. M. Volckaert
Unraveling adaptive genetic variation represents, in addition to the estimate of population demographic parameters, a cornerstone for the management of aquatic natural living resources, which in turn, represent the raw material for breeding programs. The turbot (Scophthalmus maximus) is a marine flatfish of high commercial value living on the European continental shelf. While wild populations are declining, aquaculture is flourishing in Southern Europe. We evaluated the genetic structure of turbot throughout its natural distribution range...

Data from: A Western route of prehistoric human migration from Africa into the Iberian Peninsula

Gloria Gonzalez-Fortes, Francesca Tassi, Emiliano Trucchi, Kirstin Henneberger, Johanna L.A. Paijmans, Daviz Diez-Del-Molino, Hannes Schroeder, Cecilio Barroso, Francisco J. Bermudez, Cecilio Barroso-Medina, Ana M.S. Bettencourt, Hugo A. Sampaio, Aurora Grandal-D'Anglade, Antonio Salas, Arturo De Lombera-Hermida, Ramon Fabregas, Manuel Vaquero, Susana Alonso, Maria Lozano, Xavier Rodríguez-Alvarez, Carlos Fernández-Rodríguez, Andrea Manica, Michael Hofreiter & Guido Barbujani
Being at the Western fringe of Europe, Iberia had a peculiar prehistory and a complex pattern of Neolithization. A few studies, all based on modern populations, reported the presence of DNA of likely African origin in this region, generally concluding it was the result of recent gene flow, probably during the Islamic period. Here we provide evidence of much older gene flow from Africa to Iberia by sequencing whole genomes from four human remains from...

Data from: Does biomass growth increase in the largest trees? Flaws, fallacies and alternative analyses

Douglas Sheil, Chris S. Eastaugh, Mart Vlam, Pieter A. Zuidema, Peter Groenendijk, Peter Van Der Sleen, Alex Jay & Jerome Vanclay
The long-standing view that biomass growth in trees typically follows a rise-and-fall unimodal pattern has been challenged by studies concluding that biomass growth increases with size even among the largest stems in both closed forests and in open competition-free environments. We highlight challenges and pitfalls that influence such interpretations. The ability to observe and calibrate biomass change in large stems requires adequate data regarding these specific stems. Data checking and control procedures can bias estimates...

Data from: Validating the power of mitochondrial metagenomics for community ecology and phylogenetics of complex assemblages

Carola Gómez-Rodríguez, Alex Crampton-Platt, Martijn J. T. N. Timmermans, Andrés Baselga & Alfried P. Vogler
1. The biodiversity of mixed-species samples of arthropods can be characterized by shotgun sequencing of bulk genomic DNA and subsequent bioinformatics assembly of mitochondrial genomes. Here, we tested the power of mitochondrial metagenomics by conducting Illumina sequencing on mixtures of >2600 individuals of leaf beetles (Chrysomelidae) from 10 communities. 2. Patterns of species richness, community dissimilarity and biomass were assessed from matches of reads against three reference databases, including (i) a custom set of mitogenomes...

Data from: Phylogeography of a marine insular endemic in the Atlantic Macaronesia: the Azorean barnacle, Megabalanus azoricus (Pilsbry, 1916)

Javier Quinteiro, Pablo Manent, Lois Pérez-Diéguez, José Antonio González, Corrine Almeida, Evandro Lopes, Ricardo Araújo, Gilberto P. Carreira, Manuel Rey-Méndez & Nieves González-Henríquez
The Azorean barnacle, Megabalanus azoricus (Pilsbry, 1916), is a Macaronesian endemic whose obscure taxonomy and the unknown relationships among forms inhabiting isolated Northern Atlantic oceanic islands is investigated by means of molecular analysis herein. Mitochondrial data from the 16S rRNA and COX1 genes support its current species status, tropical ancestry, and the taxonomic homogeneity throughout its distribution range. In contrast, at the intraspecific level and based on control region sequences, we detected an overall low...

Data from: Environmental conditions and vascular cambium regulate carbon allocation to xylem growth in deciduous oaks

Gonzalo Pérez-De-Lis, José Miguel Olano, Vicente Rozas, Sergio Rossi, Rosa Ana Vázquez-Ruiz & Ignacio García-González
Environmental conditions and the structure of the dormant cambium are assumed to affect seasonal patterns of cambial activity, hence controlling allocation of non-structural carbohydrates (NSC) to growth. However, seasonal dynamics of xylogenesis, and their connections with NSC content and dormant cambium size, have been rarely assessed along an environmental gradient. We monitored xylogenesis and leaf phenology during 2012 and 2013, and NSC in 2012, for the drought-sensitive Quercus robur and the drought-tolerant Quercus pyrenaica along...

Data from: Drought legacies are short, prevail in dry conifer forests and depend on growth variability.

Antonio Gazol, J. Julio Camarero, Raúl Sánchez-Salguero, Sergio Vicente-Serrano, Xavier Serra-Maluquer, Emilia Gutiérrez, Martín De Luis, Gabriel Sangüesa-Barreda, Klemen Novak, Vicente Rozas, Pedro A. Tiscar, Juan C. Linares, Edurne Martínez Del Castillo, Montse Ribas, Ignacio García-González, Fernando Silla, Álvaro Camisón, Mar Genova, Jose Miguel Olano, Ana-Maria Hereș, Jorge Curiel-Yuste, Luis A. Longares, Andrea Hevia, Miquel Tomas-Burguera & Juan Galván
The negative impacts of drought on forest growth and productivity last for several years generating legacies, although the factors that determine why such legacies vary across sites and tree species remain unclear. We used an extensive network of tree-ring width (RWI, ring-width index) records of 16 tree species from 567 forests, and high-resolution climate and NDVI datasets across Spain during the common period 1982‒2008 to test the hypothesis that climate conditions and growth features modulate...

Phenotypic plasticity in plant defense across life stages: inducibility, transgenerational induction, and transgenerational priming in wild radish

Mar Sobral & Rodolfo Dirzo
As they develop, many plants deploy shifts in anti-herbivore defense allocation due to changing costs and benefits of their defensive traits. Plant defenses are known to be primed or directly induced by herbivore damage within generations, and across generations by long-lasting epigenetic mechanisms. However, little is known about the ontogenetic trajectories of epigenetically inducible defensive traits across generations and their consequences. To help fill this knowledge gap, we conducted a multigenerational experiment to determine whether...

Data from: Trade-offs and synergies between bird conservation and wildfire suppression in the face of global change

Adrian Regos, Virgilio Hermoso, Manuela D'Amen, Antoine Guisan & Lluís Brotons
1. The combined effects of climate change and other factors, such as land use change or fire disturbance, pose daunting challenges for biodiversity conservation worldwide. 2. In this study, we predicted the future effectiveness of the Natura 2000 (N2000), the current network of protected areas (PA) in Europe, at maintaining and representing suitable environmental conditions for a set of 79 bird species between 2000 and 2050 in a fire-prone area strongly affected by land abandonment...

Data from: Parallel pattern of differentiation at a genomic island shared between clinal and mosaic hybrid zones in a complex of cryptic seahorse lineages

Florentine Riquet, Cathy Liautard-Haag, Lucy Woodall, Carmen Bouza, Patrick Louisy, Bojan Hamer, Francisco Otero-Ferrer, Philippe Aublanc, Vickie Béduneau, Olivier Briard, Tahani El Ayari, Sandra Hochscheid, Khalid Belkhir, Sophie Arnaud-Haond, Pierre-Alexandre Gagnaire & Nicolas Bierne
Diverging semi-isolated lineages either meet in narrow clinal hybrid zones, or have a mosaic distribution associated with environmental variation. Intrinsic reproductive isolation is often emphasized in the former and local adaptation in the latter, although both can contribute to isolation. Rarely these two patterns of spatial distribution are reported in the same study system. Here we report that the long-snouted seahorse Hippocampus guttulatus is subdivided into discrete panmictic entities by both types of hybrid zones....

Data from: Does functional soil microbial diversity contribute to explain within-site plant β-diversity in an alpine grassland and a dehesa meadow in Spain?

Yoseph N. Araya, Maik Bartelheimer, Cipriano J. Valle, Rosa M. Crujeiras & Gonzalo García-Baquero
Questions Once effects of hydrological and chemical soil properties have been accounted for, does soil microbial diversity contribute to explain change in plant community structure (i.e. within-site β-diversity)? If so, at what spatial scale does microbial diversity operate? Location La Mina in Moscosa Farm, Salamanca, western Spain (dehesa community) and Laguna Larga in the Urbión Peaks, Soria, central-northern Spain (alpine grassland). Methods The abundance of vascular plant species, soil Gram-negative microbial functional types and soil...

Data from: Identification and validation of single nucleotide polymorphisms as tools to detect hybridization and population structure in freshwater stingrays

Vanessa Paes Cruz, Manuel Vera, Belén Gomes Pardo, John Taggart, Paulino Martinez, Claudio Oliveira & Fausto Foresti
Single nucleotide polymorphism (SNP) markers were identified and validated for two stingrays species, Potamotrygon motoro and Potamotrygon falkneri, using double digest restriction-site associated DNA (ddRAD) reads using 454-Roche technology. A total of 226 774 reads (65.5 Mb) were obtained (mean read length 289 ± 183 bp) detecting a total of 5399 contigs (mean contig length: 396 ± 91 bp). Mining this data set, a panel of 143 in silico SNPs was selected. Eighty-two of these...

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