62 Works

Data from: Deleterious mutations show increasing negative effects with age in Drosophila melanogaster

Martin Brengdahl, Christopher M. Kimber, Phoebe Elias, Josephine Thompson & Urban Friberg
Background In order for ageing to evolve in response to a declining strength of selection with age, a genetic architecture that allows for mutations with age-specific effects on organismal performance is required. Our understanding of how selective effects of individual mutations are distributed across ages is however poor. Established evolutionary theories assume that mutations causing ageing have negative late-life effects, coupled to either positive or neutral effects early in life. New theory now suggests evolution...

Data associated with the manuscript \"On Lake Methane: Spatial Variability in Stable Carbon Isotopic Composition and the Potential Importance of Groundwater Input\"

Jonathan Schenk, Henrique Oliveira Sawakuchi, Anna Sieczko, Gustav Pajala, David Rudberg, Emelie Hagberg, Kjell Fors, Hjalmar Laudon, Jan Karlsson & David Bastviken

Source data for \"Diel variability of CO2 emissions from Northern lakes and the effect of lake mixing\"

David Rudberg, Nguyen Thanh Duc, Jonathan Schenk & Anna Sieczko

Data from: Personality remains: no effect of 3-week social status experience on personality in male fowl

Anna Favati, Eva Udén, Olle Leimar, Hanne Lovlie & Olof Leimar
Individuals often differ in behavior in a consistent way, i.e. show variation in personality. Understanding the processes explaining the emergence and maintenance of this variation is a major topic in the field of animal behavioral research. Recent theoretical models predict that differences in various 'states' can generate individual variation in behavior. Previous studies have mainly focused on endogenous states like metabolic rate or energy reserves, but theory also suggests that states based on social interactions...

Data from: Individual aggression, but not winner-loser effects, predicts social rank in male domestic fowl

Anna Favati, Hanne Løvlie & Olof Leimar
Many factors can affect the probability for an individual to obtain a high social rank, including size, weaponry, and behavioral attributes such as aggression. Recent experiences of winning or losing can also affect the chances of winning future contests, commonly referred to as “winner–loser effects”. Individuals often differ in behavior in a consistent way, including in aggression, thereby showing differences in personality. However, the relative importance of recent experience and aspects of personality in determining...

Data from: Transcriptomics of colour patterning and colouration shifts in crows

Jelmer W. Poelstra, Nagarjun Vijay, Marc P. Höppner, Jochen B. W. Wolf & M. P. Hoeppner
Animal coloration is one of the most conspicuous phenotypic traits in natural populations and has important implications for adaptation and speciation. Changes in coloration can occur over surprisingly short evolutionary timescales, while recurrence of similar colour patterns across large phylogenetic distances is also common. Even though the genetic basis of pigment production is well understood, little is known about the mechanisms regulating colour patterning. In this study, we shed light on the molecular elements regulating...

Data from: Acquisition of conditioning between methamphetamine and cues in healthy humans

Joel S. Cavallo, Leah M. Mayo & Harriet De Wit
Environmental stimuli repeatedly paired with drugs of abuse can elicit conditioned responses that are thought to promote future drug seeking. We recently showed that healthy volunteers acquired conditioned responses to auditory and visual stimuli after just two pairings with methamphetamine (MA, 20 mg, oral). This study extended these findings by systematically varying the number of drug-stimuli pairings. We expected that more pairings would result in stronger conditioning. Three groups of healthy adults were randomly assigned...

Data from: Relatedness and age reduce aggressive male interactions over mating in domestic fowl

Charlotte Rosher, Anna Favati, Rebecca Dean & Hanne Lovlie
Altruistic behaviour represents a fundamental challenge in evolutionary biology. It is often best understood through kin selection, where favourable behaviour is directed towards relatives. Kin selection can take place when males cooperate to enhance the reproductive success of relatives. Here, we focus on reduced male–male competition over mating as a case of cooperation, by examining male tolerance of matings by related and unrelated competitors. A suitable model for exploring whether relatedness affects male–male interactions over...

Data from: Farmer fidelity in the Canary Islands revealed by ancient DNA from prehistoric seeds

Jenny Hagenblad, Jacob Morales, Matti W. Leino & Amelia Del Carmen Rodríguez Rodríguez
The Canary Islands were settled in the first millennium AD by colonizers likely originating from North Africa. The settlers developed a farming economy with barley as the main crop. Archaeological evidence suggests the islands then remained isolated until European sea-travellers discovered and colonized them during the 14th and 15th centuries. Here we report a population study of ancient DNA from twenty-one archaeobotanical barley grains from Gran Canaria dating from 1050 to 1440 cal AD. The...

The behavioral responses of the Chiguanco thrush to urbanization in a Neotropical city comes from preadapted behavioral traits

Alvaro Garitano-Zavala, Rodrigo Calbimonte & Guillermo Esteve-Herraiz
Several animal species can survive within cities by changing their behavior; such changes could be the result of evolutionary adaptation, epigenetic effects, or come from preadapted traits through phenotypic plasticity or non-random dispersal. Exploring whether behavioral preadapted traits are present in non-urbanized populations could improve our understanding of the processes that allow animals to cope with urbanization. We compared the boldness, neophobia, and solving-test skills of adult individuals of the Chiguanco Thrush (Turdus chiguanco) between...

Natural history of model organisms: the secret (group) life of Drosophila melanogaster larvae and why it matters to developmental ecology

Juliano Morimoto & Zuzanna Pietras
Model organisms such as Drosophila melanogaster have been key tools for advancing our fundamental and applied knowledge in biological and biomedical sciences. However, model organisms have become intertwined with the idea of controlled and stable laboratory environments, and their natural history has been overlooked. In holometabolous insects, lack of natural history information on larval ecology has precluded major advances in the field of developmental ecology, especially in terms of manipulations of population density early in...

Strong foraging preferences for Ribes alpinum (Saxifragales: Grossulariaceae) in the polyphagous caterpillars of Buff tip moth Phalera bucephala (Lepidoptera: Notodontidae)

Juliano Morimoto & Zuzanna Pietras
Herbivorous insects such as butterflies and moths are essential to natural and agricultural systems due to pollination and pest outbreaks. However, our knowledge of butterflies’ and moths’ nutrition is fragmented and limited to few common, charismatic, or problematic species. This gap precludes our complete understanding of herbivorous insects’ natural history, physiological and behavioural adaptations that drive how species interact with their environment, the consequences of habitat destruction and climate change to invertebrate biodiversity, and pest...

Colour pan-traps often catch less when there are more flowers around

Lars Westerberg, Hilda-Linn Berglund, Dennis Jonason & Per Milberg
When assessing changes in populations of species it is essential that the methods used to collect data have some level of precision and preferably also good accuracy. One commonly used method to collect pollinators is colour pan-traps, but this method has been suggested to be biased by the abundance of surrounding flowers. The present study evaluated the relationship between pan-trap catches and the frequency of flowers on small (25 m2) and large (2-6 ha) spatial...

Individual variation in age-dependent reproduction: fast explorers live fast but senesce young?

Niels Dingemanse, Maria Moiron, Yimen G. Araya-Ajoy, Alexia Mouchet & Robin N. Abbey-Lee
1. Adaptive integration of life history and behaviour is expected to result in variation in the pace-of-life. Previous work focused on whether “risky” phenotypes live-fast-but-die-young, but reported conflicting support. We posit that individuals exhibiting risky phenotypes may alternatively invest heavily in early-life reproduction but consequently suffer greater reproductive senescence. 2. We used a 7-year longitudinal dataset with >1200 breeding records of >800 female great tits assayed annually for exploratory behaviour to test whether within-individual age-dependency...

Data from: Within-population Y-linked genetic variation for lifespan in Drosophila melanogaster

Robert M. Griffin, Damien Le Gall, Holger Schielzeth & Urban Friberg
The view that the Y chromosome is of little importance for phenotypic evolution stems from early studies of Drosophila melanogaster. This species’ Y chromosome contains only 13 protein coding genes, is almost entirely heterochromatic, and is not necessary for male viability. Population genetic theory further suggests that non-neutral variation can only be maintained at the Y chromosome under special circumstances. Yet, recent studies suggest that the D. melanogaster Y chromosome trans-regulates hundreds to thousands of...

Data and Materials : Summarizing Global SARS-CoV-2 Geographical Spread by Phylogenetic Multitype Branching Models

Hao Chi Kiang , Krzysztof Bartoszek, Sebastian Sakowski, Stefano Iacus & Michele Vespe
Raw numerical results, phylogeny, and related data for the conference proceeding article "Summarizing Global SARS-CoV-2 Geographical Spread by Phylogenetic Multitype Branching Models".

Narrative writing as art based practice

Mona Livholts

Proceedings of DiSS 2021

Ralph L. Rose & Robert Eklund
Organized for the first time in Berkeley in 1999, then successively in Edinburgh (2001), Göteborg (2003), Aix- en-Provence (2005), Tokyo (2010), Stockholm (2013), Edinburgh (2015), Stockholm (2017), and Budapest (2019), the Disfluency in Spontaneous Speech (DiSS) workshops are a privileged place for specialists working on questions related to speech fluency.


Åshild Olsen Faresjö
The content of this dataset is all information month by month (24 ) about cortisol concentration in hair among 48 women and other relevant questions , like stress, use of steroids, work and so one.

Data from: Autosomal and X linked additive genetic variation for lifespan and aging: comparisons within and between the sexes in Drosophila melanogaster

Robert M. Griffin, Holger Schielzeth & Urban Friberg
Theory makes several predictions concerning differences in genetic variation between the X chromosome and the autosomes due to male X hemizygosity. The X chromosome should i) typically show relatively less standing genetic variation than the autosomes, ii) exhibit more variation in males compared to females because of dosage compensation, and iii) potentially be enriched with sex-specific genetic variation. Here we address each of these predictions for lifespan and aging in Drosophila melanogaster. To achieve unbiased...

Data from: Farmers without borders - genetic structuring in century old barley (Hordeum vulgare)

Jenny Hagenblad, Nils E. G. Forsberg, Joanne Russell, Malcolm Macaulay & Matti W. Leino
The geographic distribution of genetic diversity can reveal the evolutionary history of a species. For crop plants, phylogeographic patterns also indicate how seed has been exchanged and spread in agrarian communities. Such patterns are, however, easily blurred by the intense seed trade, plant improvement and even genebank conservation during the twentieth century, and discerning fine-scale phylogeographic patterns is thus particularly challenging. Using historical crop specimens, these problems are circumvented and we show here how high-throughput...

Population structure in landrace barley (Hordeum vulgare L.) during the late 19th century crop failures in Fennoscandia

Jenny Hagenblad, Nils E G Forsberg & Matti W Leino
Agricultural disasters and the subsequent need for supply of relief seed can be expected to influence the genetic composition of crop plant populations. The consequences of disasters and seed relief have, however, rarely been studied since specimens sampled before the events are seldomly available. A series of crop failures struck northern Fennoscandia (Norway, Sweden and Finland) during the second half of the 19th century. In order to assess population genetic dynamics of landrace barley (Hordeum...

European soil seed bank communities across a climate and land-cover gradient

Jan Plue, Hans Van Calster, Inger Auestad, Sofia Basto, Reneé M. Bekker, Hans Henrik Bruun, Richard Chevalier, Guillaume Decocq, Ulf Grandin, Martin Hermy, Hans Jacquemyn, Anna Jakobsson, Rein Kalamees, Rob H. Marrs, Bryndis Marteinsdóttir, Per Milberg, Robin J. Pakeman, Gareth Phoenix, Ken Thompson, Vigdis Vandvik, Markus Wagner, Sara A.O. Cousins, Ove Eriksson, Jamshid Ghorbani, Małgorzata Jankowska-Błaszczuk … & Alistair G. Auffret
This is the data set used for the publication Buffering effects of soil seed banks on plant community composition in response to land use and climate, published in the journal Global Ecology and Biogeography. Aim. Climate and land use are key determinants of biodiversity, with past and ongoing changes posing serious threats to global ecosystems. Unlike most other organism groups, plant species can possess dormant life-history stages such as soil seed banks, which may help...

Assembly of Aegilops comosa chromosomes

Mahmoud Said, Kateřina Holušová, András Farkas, László Ivanizs, Eszter Gaál, Petr Cápal, Michael Abrouk, Mihaela Martis-Thiele, Balázs Kalapos, Jan Bartoš, Bernd Friebe, Jaroslav Doležel & István Molnár
We sequenced and assembled seven chromosomes of Aegilops comosa. The assembly with Meraculous resulted in ~ 50k - 186k scaffolds per chromosome with N50 size 6.4kb - 20.2kb. The scaffold sequences were used for development of molecular markers specific for cDNAs sequences mapped on Ae. comosa chromosomes Pairwise alignment of wheat cDNA-sequences and the chromosomal scaffolds of Ae. comosa identified candidate sequences. In order to analyze the structure and homeology of Aegilops chromosomes, forty-three mapped...

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