21 Works

Data from: Cross-cultural variation in men’s preference for sexual dimorphism in women’s faces

Mikhail V. Kozlov, Huajian Cai, Jorge Contreras-Garduño, Barnaby J. Dixson, Gavita A. Oana, Gwenaël Kaminski, Norman P. Li, Minna T. Lyons, Ike E. Onyishi, Keshav Prasai, Farid Pazhoohi, Pavol Prokop, Sandra L. Rosales Cardozo, Nicolle Sydney, Jose C. Yong, Markus J. Rantala, U. M. Marcinkowska & J. Contreras-Garduno
Both attractiveness judgements and mate preferences vary considerably cross-culturally. We investigated whether men's preference for femininity in women's faces varies between 28 countries with diverse health conditions by analysing responses of 1972 heterosexual participants. Although men in all countries preferred feminized over masculinized female faces, we found substantial differences between countries in the magnitude of men's preferences. Using an average femininity preference for each country, we found men's facial femininity preferences correlated positively with the...

Data from: Contrasting taxonomic stratification of microbial communities in two hypersaline meromictic lakes

Adrian-Stefan Andrei, Michael S. Robeson, Andreea Baricz, Cristian Coman, Vasile Muntean, Artur Ionescu, Giuseppe Etiope, Mircea Alexe, Cosmin Ionel Sicora, Mircea Podar & Horia Leonard Banciu
Hypersaline meromictic lakes are extreme environments in which water stratification is associated with powerful physicochemical gradients and high salt concentrations. Furthermore, their physical stability coupled with vertical water column partitioning makes them important research model systems in microbial niche differentiation and biogeochemical cycling. Here, we compare the prokaryotic assemblages from Ursu and Fara Fund hypersaline meromictic lakes (Transylvanian Basin, Romania) in relation to their limnological factors and infer their role in elemental cycling by matching...

Data from: Influential neighbours: seeds of dominant species affect the germination of common grassland species

Annamária Fenesi, Kinga Kelemen, Dorottya Sándor & Eszter Ruprecht
Questions Germination is the prerequisite of successful establishment in plant communities and is influenced by many factors. Therefore, seeds are under strong selective pressure to sense and integrate information about their environment and modulate germination based on them. In this study, we focus on interspecific seed-seed interactions under optimal and sub-optimal conditions to test three hypotheses: (H1) Dominant species’ seeds and emerging seedlings are most likely to be recognized and insert significant effect on the...

Deciphering voids in Dasycladales, the case of Dragastanella transylvanica, a new Lower Cretaceous triploporellacean genus from Romania

Filippo Barattolo, Ioan Bucur & Alexandru Marian
Dragastanella transylvanica n.gen. n.sp. is described. Its calcified skeleton contains numerous voids, partly related to the moulds of soft parts of the alga, but also to lack of calcification. Interpretation of these voids, especially their attribution to original structures (e.g., primary lateral vs. reproductive organ), has important implications for the taxonomic position of the alga, even at family level. Examination of key sections that include the boundary between sterile and fertile parts of the alga...

Environmental drivers of Sphagnum growth in peatlands across the Holarctic region

Fia Bengtsson, Håkan Rydin, Jennifer Baltzer, Luca Bragazza, Zhao-Jun Bu, Simon Caporn, Ellen Dorrepaal, Kjell Ivar Flatberg, Olga Galanina, Mariusz Gałka, Anna Ganeva, Irina Goia, Nadezhda Goncharova, Michal Hajek, Akira Haraguchi, Lorna Harris, Elyn Humphreys, Martin Jiroušek, Katarzyna Kajukało, Edgar Karofeld, Natalia Koronatova, Natalia Kosykh, Anna Laine, Mariusz Lamentowicz, Elena Lapshina … & Richard J. Payne
The relative importance of global versus local environmental factors for growth and thus carbon uptake of the bryophyte genus Sphagnum – the main peat-former and ecosystem engineer in northern peatlands – remains unclear. 2) We measured length growth and net primary production (NPP) of two abundant Sphagnum species across 99 Holarctic peatlands. We tested the importance of previously proposed abiotic and biotic drivers for peatland carbon uptake (climate, N deposition, water table depth, and vascular...

Social groups with diverse personalities mitigate physiological stress in a songbird

Csongor I. Vágási, Attila Fülöp, Gergely Osváth, Péter Pap, Janka Pénzes, Zoltán Benkő, Ádám Lendvai & Zoltán Barta
Social groups often consist of diverse phenotypes, including personality types, and this diversity is known to affect the functioning of the group as a whole. Social selection theory proposes that group composition (i.e. social environment) also influences the performance of individual group members. However, the effect of group behavioural composition on group members remains largely unexplored, and it is still contentious whether individuals benefit more in a social environment with homogeneous or diverse behavioural composition....

Data from: Interspecific variation in the structural properties of flight feathers in birds indicates adaptation to flight requirements and habitat

Peter L. Pap, Gergely Osvath, Krisztina Sandor, Orsolya Vincze, Lorinc Barbos, Attila Marton, Robert L. Nudds & Csongor I. Vagasi
1. The functional significance of intra- and interspecific structural variations in the flight feathers of birds is poorly understood. Here, a phylogenetic comparative analysis of four structural features (rachis width, barb and barbule density and porosity) of proximal and distal primary feathers of 137 European bird species was conducted. 2. Flight type (flapping and soaring, flapping and gliding, continuous flapping or passerine type), habitat (terrestrial, riparian or aquatic), wing characteristics (wing area, S and aspect...

Data from: Genetic diversity in widespread species is not congruent with species richness in alpine plant communities

Pierre Taberlet, Niklaus E. Zimmermann, Thorsten Englisch, Andreas Tribsch, Rolf Holderegger, Nadir Alvarez, Harald Niklfeld, Zbigniew Mirek, Atte Moilanen, Wolfgang Ahlmer, Paolo Ajmone Marsan, Enzo Bona, Maurizio Bovio, Philippe Choler, Elżbieta Cieślak, Gheorghe Coldea, Licia Colli, Vasile Cristea, Jean-Pierre Dalmas, Božo Frajman, Luc Garraud, Myriam Gaudeul, Ludovic Gielly, Walter Gutermann, Nejc Jogan … & Karol Marhold
The Convention on Biological Diversity (CBD) aims at the conservation of all three levels of biodiversity, i.e. ecosystems, species and genes. Genetic diversity represents evolutionary potential and is important for ecosystem functioning. Unfortunately, genetic diversity in natural populations is hardly considered in conservation strategies because it is difficult to measure and has been hypothesized to co-vary with species richness. This means that species richness is taken as a surrogate of genetic diversity in conservation planning,...

Data from: Proxy comparison in ancient peat sediments: pollen, macrofossil and plant DNA

Laura Parducci, Minna Väliranta, J. Sakari Salonen, Tiina Ronkainen, Irina Matetovici, Sonia L. Fontana, Tiina Eskola, Pertti Sarala & Yoshihisa Suyama
We compared DNA, pollen and macrofossil data obtained from Weichselian interstadial and Holocene (maximum age 8400 cal yr BP) peat sediments from northern Europe and used them to reconstruct contemporary floristic compositions at two sites. The majority of the samples provided plant DNA sequences of good quality with success amplification rates depending on age. DNA and sequencing analysis provided five plant taxa from the older site and nine taxa from the younger site, corresponding to...

Data from: Experimental increase in baseline corticosterone level reduces oxidative damage and enhances innate immune response

Csongor I. Vágási, Laura Pătraș, Péter L. Pap, Orsolya Vincze, Cosmin Mureșan, József Németh & Ádám Z. Lendvai
Glucocorticoid (GC) hormones are significant regulators of homeostasis. The physiological effects of GCs critically depend on the time of exposure (short vs. long) as well as on their circulating levels (baseline vs. stress-induced). Previous experiments, in which chronic and high elevation of GC levels was induced, indicate that GCs impair both the activity of the immune system and the oxidative balance. Nonetheless, our knowledge on how mildly elevated GC levels, a situation much more common...

Data from: Large-brained birds suffer less oxidative damage

Csongor I. Vágási, Orsolya Vincze, Laura Pătraș, Gergely Osváth, Attila Marton, Lőrinc Bărbos, Daniel Sol & Péter L. Pap
Large brains (relative to body size) might confer fitness benefits to animals. Although the putative costs of well-developed brains can constrain the majority of species to modest brain sizes, these costs are still poorly understood. Given that the neural tissue is energetically expensive and demands antioxidants, one potential cost of developing and maintaining large brains is increased oxidative stress (‘oxidation exposure’ hypothesis). Alternatively, because large-brained species exhibit slow-paced life histories, they are expected to invest...

Data from: Selection on multiple sexual signals in two Central- and Eastern-European populations of the barn swallow

Peter Laszlo Pap, Attila Fülöp, Marie Adamkova-Kotasova, Jaroslav Cepak, Romana Michalkova, Rebecca J. Safran, Alexandru N. Stermin, Oldrich Tomasek, Csongor I. Vágási, Orsolya Vincze, Matthew R. Wilkins & Tomas Albrecht
Variation in intensity and targets of sexual selection on multiple traits has been suggested to play a major role in promoting phenotypic differentiation between populations, although the divergence in selection may depend on year, local conditions or age. In this study, we quantified sexual selection for two putative sexual signals across two Central and East European barn swallow (Hirundo rustica rustica) populations from Czech Republic and Romania over multiple years. We then related these differences...

Down feather morphology reflects adaptation to habitat and thermal conditions across the avian phylogeny

Peter Laszlo Pap, Gergely Osváth, Timea Daubner, Andreas Nord & Orsolya Vincze
Down feathers are the first feather types that appear in both the phylogenetic and the ontogenetic history of birds. Although it is widely acknowledged that the primary function of downy elements is insulation, little is known about the interspecific variability in the structural morphology of these feathers, and the environmental factors that have influenced their evolution. Here, we collected samples of down and afterfeathers from 156 bird species and measured key morphological characters that define...

Ions release from hydroxyapatite and substituted hydroxyapatites in different immersion liquids: In vitro experiments and theoretical modelling study

Maria Tomoaia-Cotisel, Aurora Mocanu, Oana Cadar, Petre Frangopol, Ioan Petean, Gheorghe Tomoaia, Gertrud-Alexandra Paltinean, Csaba Pall Racz & Ossi Horovitz
The multi-substituted hydroxyapatites (ms-HAPs) are currently gaining more consideration due to their multifunctional properties and biomimetic structure, owning thus an enhanced biological potential in orthopedic and dental applications. In this study, nano hydroxyapatite (HAP) substituted with multiple cations (Sr2+, Mg2+ and Zn2+) for Ca2+ and anion (SiO44-) for PO43- and OH-, specifically HAPc-5%Sr and HAPc-10%Sr (where HAPc is HAP-1.5%Mg-0.2%Zn-0.2%Si), both lyophilized noncalcined and lyophilized calcined, were evaluated for their in vitro ions release. These nanomaterials...

Data from: How feathered are birds? environment predicts both the mass and density of body feathers

Gergely Osváth, Timea Daubner, Gareth Dyke, Tibor I. Fuisz, Andreas Nord, Janka Pénzes, Dorottya Vargancsik, Csongor I. Vagasi, Orsolya Vincze & Péter L. Pap
1.Studies modelling heat transfer of bird plumage design suggest that insulative properties can be attributed to the density and structure of the downy layer, while waterproofing is the result of the outer layer, comprised of contour feathers. In this study, we test how habitat and thermal condition affect feather mass and density of body feathers (contour, semiplume and downy feathers) measured on the ventral and dorsal sides of the body, using a phylogenetic comparative analysis...

Data from: Longevity and life history coevolve with oxidative stress in birds

Csongor I. Vágási, Orsolya Vincze, Laura Pătraș, Gergely Osváth, Janka Pénzes, Mark F. Haussmann, Zoltán Barta & Péter László Pap
1. The mechanisms that underpin the evolution of ageing and life histories remain elusive. Oxidative stress, which results in accumulated cellular damages, is one of the mechanisms suggested to play a role. 2. In this paper we set out to test the ‘oxidative stress theory of ageing’ and the ‘oxidative stress hypothesis of life histories’ using a comprehensive phylogenetic comparison based on an unprecedented dataset of oxidative physiology in 88 free-living bird species. 3. We...

Data from: Multivariate ratio analysis reveals Trigonoderus pedicellaris Thomson (Hymenoptera, Chalcidoidea, Pteromalidae) as a valid species

Zoltán László, Hannes Baur & Béla Tóthmérész
We demonstrate by multivariate ratio analysis (MRA) the validity of two female colour morphs as separate species in what was previously regarded as a single species, Trigonoderus cyanescens (Förster, 1841) (Hymenoptera: Pteromalidae). As a result, T. pedicellaris Thomson, 1878 stat.r., is resurrected from synonymy under T. cyanescens and T. filatus binubilatus Erdős, 1960 syn.n. is synonymized with T. cyanescens. More than 20 characters were measured as part of two MRA dataset analyses. The first analysis...

Data from: Lock-picks: fungal infection facilitates the intrusion of strangers into ant colonies

Enikő Csata, Natalia Timuș, Magdalena Witek, Luca Pietro Casacci, Christophe Lucas, Anne-Geneviève Bagnères, Anna Sztencel-Jabłonka, Francesca Barbero, Simona Bonelli, László Rákosy & Bálint Marko
Studies investigating host-parasite systems rarely deal with multispecies interactions, and mostly explore impacts on hosts as individuals. Much less is known about the effects at colony level, when parasitism involves host organisms that form societies. We surveyed the effect of an ectoparasitic fungus, Rickia wasmannii, on kin-discrimination abilities of its host ant, Myrmica scabrinodis, identifying potential consequences at social level and subsequent changes in colony infiltration success of other organisms. Analyses of cuticular hydrocarbons (CHCs),...

Data from: Genome-wide differentiation in closely related populations: the roles of selection and geographic isolation

Rebecca J. Safran, Elizabeth S. C. Scordato, Matthew R. Wilkins, Joanna K. Hubbard, Brittany R. Jenkins, Tomas Albrecht, Samuel M. Flaxman, Hakan Karaardic, Yoni Vortman, Arnon Lotem, Patrik Nosil, Péter Pap, Sheng-Feng Shen, Shih-Fan Chan, Thomas L. Parchman, Nolan C. Kane, S.-F. Chan & T.L. Parchman
Population divergence in geographic isolation is due to a combination of factors. Natural and sexual selection may be important in shaping patterns of population differentiation, a pattern referred to as ‘isolation by adaptation’ (IBA). IBA can be complementary to the well-known pattern of ‘isolation by distance’ (IBD), in which the divergence of closely related populations (via any evolutionary process) is associated with geographic isolation. The barn swallow Hirundo rustica complex comprises six closely related subspecies,...

Data from: Postglacial determinants of regional species pools in alpine grasslands

Borja Jiménez-Alfaro, Wolfgang Willner, Eszter Ruprecht, Kiril Vassilev, Nevena Kuzmanovic, Renata Ćušterevska, Djordjije Milanovic, Josef Sibik, Sylvain Abdulhak, Angela Stanisci, Maria Luisa Carranza, Ariel Bergamini, Corrado Marcenó & Gianpietro Giusso Del Galdo
Aim: Alpine habitats support unique biodiversity confined to high-elevation areas in the current interglacial. Plant diversity in these habitats responds to area, environment, connectivity and isolation, yet these factors have been rarely evaluated in concert. Here we investigate major determinants of regional species pools in alpine grasslands, and the responses of their constituent species groups. Location: European mountains below 50ºN. Time Period: Between 1928 and 2019. Major Taxa Studied: Vascular plants. Methods: We compiled species...

Seed mass, hardness and phylogeny determine the potential for endozoochory by granivorous waterbirds

Ádám Lovas-Kiss, Orsolya Vincze, Erik Kleyheeg, Gábor Sramkó, Levente Laczkó, Réka Fekete, Attila Molnár V. & Andy Green
Field studies have shown that waterbirds, especially members of the Anatidae family, are major vectors of dispersal for a broad range of plants whose propagules can survive gut passage. Widely adopted dispersal syndromes ignore this dispersal mechanism, and we currently have little understanding of what traits determine the potential of angiosperms for endozoochory by waterbirds. Results from previous experimental studies have been inconsistent as to how seed traits affect seed survival and retention time in...

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