243 Works

Data from: The impact of Wolbachia, male age and mating history on cytoplasmic incompatibility and sperm transfer in Drosophila simulans

Znmako A. Awrahman, Fleur Champion De Crespigny & Nina Wedell
Most insects harbour a variety of maternally inherited endosymbionts, the most widespread being Wolbachia pipientis that commonly induce cytoplasmic incompatibility (CI) and reduced hatching success in crosses between infected males and uninfected females. High temperature and increasing male age are known to reduce the level of CI in a variety of insects. In Drosophila simulans, infected males have been shown to mate at a higher rate than uninfected males. By examining the impact of mating...

Data from: Selective pressures on MHC class II genes in the guppy (Poecilia reticulata) as inferred by hierarchical analysis of population structure.

Magdalena Herdegen, Wieslaw Babik & Jacek Radwan
Genes of the major histocompatibility complex, which are the most polymorphic of all vertebrate genes, are a pre-eminent system for the study of selective pressures that arise from host–pathogen interactions. Balancing selection capable of maintaining high polymorphism should lead to the homogenization of MHC allele frequencies among populations, but there is some evidence to suggest that diversifying selection also operates on the MHC. However, the pattern of population structure observed at MHC loci is likely...

Data from: Individuals with higher metabolic rates have lower levels of reactive oxygen species hydrogen peroxide in vivo

Karine Salin, Sonya K. Auer, Agata M. Rudolf, Graeme J. Anderson, Andrew G. Cairns, William Mullen, Richard C. Hartley, Colin Selman & Neil B. Metcalfe
There is increasing interest in the effect of energy metabolism on oxidative stress, but much ambiguity over the relationship between the rate of oxygen consumption and the generation of reactive oxygen species (ROS). Production of ROS (such as hydrogen peroxide, H2O2) in the mitochondria is primarily inferred indirectly from measurements in vitro, which may not reflect actual ROS production in living animals. Here, we measured in vivo H2O2 content using the recently developed MitoB probe...

Data from: Evolution of basal metabolic rate in bank voles from a multidirectional selection experiment

Edyta T. Sadowska, Clare Stawski, Agata Rudolf, Geoffrey Dheyongera, Katarzyna M. Chrząścik, Katarzyna Baliga-Klimczyk & Paweł Koteja
A major theme in evolutionary and ecological physiology of terrestrial vertebrates encompasses the factors underlying the evolution of endothermy in birds and mammals and interspecific variation of basal metabolic rate (BMR). Here, we applied the experimental evolution approach and compared BMR in lines of a wild rodent, the bank vole (Myodes glareolus), selected for 11 generations for: high swim-induced aerobic metabolism (A), ability to maintain body mass on a low-quality herbivorous diet (H) and intensity...

Data from: Plant – herbivorous beetle networks: molecular characterization of trophic ecology within a threatened steppic environment

Łukasz Kajtoch, Daniel Kubisz, Waldemar Heise, Miłosz A. Mazur & Wieslaw Babik
DNA barcoding facilitates many evolutionary and ecological studies, including the examination of the dietary diversity of herbivores. In this study, we present a survey of ecological associations between herbivorous beetles and host plants from seriously threatened European steppic grasslands. We determined host plants for the majority (65%) of steppic leaf beetles (55 species) and weevils (59) known from central Europe using two barcodes (trnL and rbcL) and two sequencing strategies (Sanger for mono/oligophagous species and...

Data from: Migrating songbirds on stopover prepare for, and recover from, oxidative challenges posed by long-distance flight

Megan M. Skrip, Ulf Bauchinger, Wolfgang Goymann, Leonida Fusani, Massimiliano Cardinale, Rebecca R. Alan & Scott R. McWilliams
Managing oxidative stress is an important physiological function for all aerobic organisms, particularly during periods of prolonged high metabolic activity, such as long-distance migration across ecological barriers. However, no previous study has investigated the oxidative status of birds at different stages of migration and whether that oxidative status depends on the condition of the birds. In this study, we compared (1) energy stores and circulating oxidative status measures in (a) two species of Neotropical migrants...

Data from: Deeply divergent sympatric mitochondrial lineages of the earthworm Lumbricus rubellus are not reproductively isolated

Iwona Giska, Pierfrancesco Sechi & Wiesław Babik
Background: The accurate delimitation of species is essential to numerous areas of biological research. An unbiased assessment of the diversity, including the cryptic diversity, is of particular importance for the below ground fauna, a major component of global biodiversity. On the British Isles, the epigeic earthworm Lumbricus rubellus, which is a sentinel species in soil ecotoxicology, consists of two cryptic taxa that are differentiated in both the nuclear and the mitochondrial (mtDNA) genomes. Recently, several...

Data from: Seasonal time constraints reduce genetic variation in life history traits along a latitudinal gradient

Szymon Śniegula, Maria J. Golab, Szymon M. Drobniak & Frank Johansson
1. Time constraints cause strong selection on life history traits, because populations need to complete their life cycles within a shorter time. We therefore expect lower genetic variation in these traits in high- than in low-latitude populations, since the former are more time constrained. 2. The aim was to estimate life history traits and their genetic variation in an obligately univoltine damselfly along a latitudinal gradient of 2,730 km. 3. Populations were grown in the...

Data from: Genomic heterogeneity of historical gene flow between two species of newts inferred from transcriptome data

Michał T. Stuglik & Wiesław Babik
The role of gene flow in species formation is a major unresolved issue in speciation biology. Progress in this area requires information on the long-term patterns of gene flow between diverging species. Here, we used thousands of single-nucleotide polymorphisms derived from transcriptome resequencing and a method modeling the joint frequency spectrum of these polymorphisms to reconstruct patterns of historical gene flow between two Lissotriton newts: L. vulgaris (Lv) and L. montandoni (Lm). We tested several...

Data from: Molecular Inversion Probes for targeted resequencing in non-model organisms

Marta Niedzicka, Anna Fijarczyk, Katarzyna Dudek, Michał Stuglik & Wiesław Babik
Applications that require resequencing of hundreds or thousands of predefined genomic regions in numerous samples are common in studies of non-model organisms. However few approaches at the scale intermediate between multiplex PCR and sequence capture methods are available. Here we explored the utility of Molecular Inversion Probes (MIPs) for the medium-scale targeted resequencing in a non-model system. Markers targeting 112 bp of exonic sequence were designed from transcriptome of Lissotriton newts. We assessed performance of...

Data from: Effect of haemosporidian infections on host survival and recapture rate in the blue tit

Edyta Podmokła, Anna Dubiec, Szymon M. Drobniak, Joanna Sudyka, Adam Krupski, Aneta Arct, Lars Gustafsson & Mariusz Cichoń
Parasites are ubiquitous in the wild and by imposing fitness costs on their hosts they constitute an important selection factor. One of the most common parasites of wild birds are Plasmodium and Haemoproteus, protozoans inhabiting the blood, which cause avian malaria and malaria-like disease, respectively. Although they are expected to cause negative effects in infected individuals, in many cases studies in natural populations failed to detect such effect. Using data from seven breeding seasons (2008...

Data from: Do males pay for sex? Sex-specific selection coefficients suggest not

Zofia Maria Prokop, Monika A. Prus, Tomasz S. Gaczorek, Karolina Sychta, Joanna K. Palka, Agata Plesnar-Bielak & Magdalena Skarboń
Selection acting on males can reduce mutation load of sexual relative to asexual populations, thus mitigating the two-fold cost of sex, provided that it seeks and destroys the same mutations as selection acting on females, but with higher efficiency. This could happen due to sexual selection – a potent evolutionary force that in most systems predominantly affects males. We used replicate populations of red flour beetles (Tribolium castaneum) to study sex-specific selection against deleterious mutations...

Data from: Relative costs and benefits of alternative reproductive phenotypes at different temperatures - genotype-by-environment interactions in a sexually selected trait

Agata Plesnar-Bielak, Anna Maria Skwierzyńska, Kasper Hlebowicz & Jacek Radwan
Background: The maintenance of considerable genetic variation in sexually selected traits (SSTs) is puzzling given directional selection expected to act on these traits. A possible explanation is the existence of a genotype-by-environment (GxE) interaction for fitness, by which elaborate SSTs are favored in some environments but selected against in others. In the current study, we look for such interactions for fitness-related traits in the bulb mite, a male-dimorphic species with discontinuous expression of a heritable...

Data from: Male-limited secondary sexual trait interacts with environment in determining female fitness

Anna M. Skwierzyńska, Jacek Radwan & Agata Plesnar-Bielak
Selection for secondary sexual traits (SSTs) elaboration may increase intralocus sexual conflict over the optimal values of traits expressed from shared genomes. This conflict can reduce female fitness, and the resulting gender load can be exacerbated by environmental stress, with consequences for a population’s ability to adapt to novel environments. However, how the evolution of SSTs interacts with environment in determining female fitness is not well understood. Here, we investigated this question using replicate lines...

Data from: Influence of haemosporidian infection status on structural and carotenoid‐based colouration in the blue tit (Cyanistes caeruleus)

Katarzyna Janas, Edyta Podmokła, Dorota Lutyk, Anna Dubiec, Lars Gustafsson, Mariusz Cichoń & Szymon Drobniak
Hypotheses postulating parasite-mediated mate choice intrinsically assume that parasitic infections deteriorate the quality of male ornamentation. Although this assumption has often been studied in the context of carotenoid-based colouration, only few studies investigated this with reference to structural feather colouration, which in many species plays a vital role in sexual selection. Here, using a three-years dataset from a wild blue tit (Cyanistes caeruleus) population, we examined the relationship between the haemosporidian infection status and the...

Data from: Key pollen host plants provide balanced diets for wild bee larvae: a lesson for planting flower strips and hedgerows

Michał Filipiak
Bee‐friendly plants are defined by the quantity of food they produce and the visitation rates of adult insects foraging for nectar. However, it is pollen nutritional quality that enables proper larval development of bees, affecting their populations. Not all plants produce pollen that satisfies the nutritional requirements of bee larvae, and we lack an understanding of how different plant pollens impact bee nutritional demands. This study examined whether nutritionally desirable key plant species may promote...

Data to publication \"Body size variability across habitats in the Brachionus plicatilis cryptic species complex\" - concept

Aleksandra Walczyńska & Manuel Serra

Research datasets of the article: \"The chemistry and histology of sexually dimorphic mental glands in the freshwater turtle, Mauremys leprosa\" - concept

Alejandro Ibáñez, Albert Martínez-Silvestre, Dagmara Podkowa, Aneta Woźniakiewicz, Michał Woźniakiewicz & Maciej Pabijan

Reduced internalization of ectosomes by hyperglycemic endothelial cells influences wound healing processes - concept

Anna Drozdz, Tomasz Kołodziej, Sonia Wróbel, Krzysztof Misztal, Marta Targosz-Korecka, Marek Drab, Małgorzata Przybyło, Zenon Rajfur & Ewa Stepien

Data from: \"How a bee is made: sex-dependent elemental budget of the wild mason bee Osmia bicornis with surprisingly intense phosphorous allocation into cocoons\" - version 1

Michał Filipiak, Michał Woyciechowski & Marcin Czarnoleski

B-GOOD Database on Nectar & Pollen Production - concept

Michał Filipiak, Aleksandra Walczyńska & Elżbieta Ziółkowska

Season, anthocyanin supplementation, and flight training have mixed effects on the antioxidant system of migratory European starlings (Sturnus vulgaris)

Abigail Frawley, Kristen J. DeMoranville, Katherine M. Carbeck, Lisa Trost, Amadeusz Bryła, Maciej Dzialo, Edyta T. Sadowska, Ulf Bauchinger, Barbara J. Pierce & Scott McWilliams
Migratory birds engage in two periods of endurance flight annually as they travel between summer breeding and overwintering grounds, and such endurance flights likely incur oxidative costs. These costs may differ between fall and spring migration, especially for females who must prepare for breeding and egg laying in spring. The objective of this study of a migratory bird was to test proposed hypotheses about how key components of the female’s antioxidant system differ in response...

Trump's Holy Grail or a Sleeping Giant - the role of the hispanic electorate in the 2020 presidential elections - concept

Anna Bartnik

An insight into the stages of ion leakage during red blood cell storage - concept

Anna Zimna, Magdalena Kaczmarska, Ewa Szczęsny-Małysiak, Aleksandra Wajda, Katarzyna Bułat, Fatih Alcicek, Małgorzata Zygmunt, Tomasz Sacha & Katarzyna M. Marzec

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