268 Works

Moose (Alces alces) parturition dates, Sweden

Wiebke Neumann, Navinder J. Singh, Fredrik Stenbacka, Jonas Malmsten, Kjell Wallin, John P. Ball & Göran Ericsson
In northern environments, the period of access to high-quality forage is limited, exerting strong selective pressure to optimize the timing of parturition. We analysed timing and variation in moose parturition dates of 555 females at 18 study sites across 12ᵒ of latitude (56-68ᵒ N, 1,350 km) in Sweden. We found evidence for a spatial match of parturition timing to vegetation onset, but no evidence that moose adjust parturition to vegetation onset in a given year....

Modelled annual average production loss due to ozone damage for four global staple crops 2010-2012

K. Sharps, G Mills, D. Simpson, H. Pleijel, M. Frei, K. Burkey, L. Emberson, J. Uddling, M. Broberg, Z. Feng, K. Kobayashi & M. Agrawal
Modelled annual average production loss (thousand tonnes per 1 degree by 1 degree grid cell) due to ground-level ozone pollution is presented for the crops maize (Zea mays), rice (Oryza sativa), soybean (Glycine max) and wheat (Triticum aestivum), for the period 2010-2012. Data are on a global scale, based on the distribution of production for each crop, according to the Food and Agriculture Organisation’s (FAO) Global Agro-Ecological Zones (GAEZ) crop production data for the year...

Data from: Cardiorespiratory adjustments to chronic environmental warming improves hypoxia tolerance in European perch

Andreas Ekström
Aquatic hypoxia will become increasingly prevalent in the future as a result of eutrophication combined with climate warming. While short-term warming typically constrains fish hypoxia tolerance, many fishes cope with warming by adjusting physiological traits through thermal acclimation. Yet, little is known about how such adjustments affect tolerance to hypoxia. We examined European perch (Perca fluviatilis) from the Biotest enclosure (23°C, Biotest population), a unique ∼1 km2 ecosystem artificially warmed by cooling water from a...

Alignments from: Gene count from target sequence capture places three whole genome duplication events in Hibiscus L. (Malvaceae)

Jonna Eriksson, Christine Bacon, Dominic Bennett, Bernard Pfeil, Bengt Oxelman & Alexandre Antonelli
Background: The great diversity in plant genome size and chromosome number is partly due to polyploidization (i.e., genome doubling events). The differences in genome size and chromosome number among diploid plant species can be a window into the intriguing phenomenon of past genome doubling that may be obscured through time by the process of diploidization. The genus Hibiscus L. (Malvaceae) has a wide diversity of chromosome numbers and a complex genomic history. Hibiscus is ideal...

Silicon Valley och makten över medierna

Carl-Gustav Lindén

Comparing Gender and Media Equality Across the Globe

Monika Djerf-Pierre & Maria Edström

Cytb + ND2 Prinia gracilis complex

Per Alstrom, Pamela Rasmussen, Canwei Xia, Lijun Zhang, Jesper Magnusson, Arya Shafaeipour & Urban Olsson
Prinias (Cisticolidae: Prinia) are resident warblers of open areas across Africa and Asia and include many polytypic species whose species limits have not been seriously reevaluated recently. Based on an integrative taxonomic analysis of morphology, song, and mitochondrial DNA (mtDNA), we suggest that 2 species should be recognized in the Graceful Prinia (Prinia gracilis) complex. In addition, our morphological analyses show the existence of a well-marked undescribed form in southeastern Somalia, which we name herein...

Colour Flow & Colour Collage

Barbara Jansen

Microsatellite data of Southern Dunlin breeding across the Baltic

Veli-Matti Pakanen, Nelli Rönkä, Angela Pauliny, Robert Leslie Thomson, Kimmo Nuotio, Hannes Pehlak, Ole Thorup, Petteri Lehikoinen, Antti Rönkä, Donald Blomqvist, Kari Koivula & Laura Kvist
The stored data were used in a study by Rönkä et al. (2021). See full citation in Usage notes. Here is the abstract of Rönkä et al. (2021). Background: Populations living in fragmented habitats may suffer from loss of genetic variation and reduced between-patch dispersal, which are processes that can result in genetic differentiation. This occurs frequently in species with reduced mobility, whereas genetic differentiation is less common among mobile species such as migratory birds....

UGU data till projektet: Växelvis boende i Sverige

Simulation code for: The role of phenotypic plasticity in the establishment of range margins

Martin Eriksson & Marina Rafajlovic
It has been argued that adaptive phenotypic plasticity may facilitate range expansions over spatially and temporally variable environments. However, plasticity may induce fitness costs. This may hinder the evolution of plasticity. Earlier modelling studies examined the role of plasticity during range expansions of populations with fixed genetic variance. However, genetic variance evolves in natural populations. This may critically alter model outcomes. We ask: How does the capacity for plasticity in populations with evolving genetic variance...

Acaulescence promotes speciation and shapes the distribution patterns of palms in Neotropical seasonally dry habitats

Cibele Cássia-Silva, Rafael Silva Oliveira, Lílian P. Sales, Cíntia G. Freitas, Lucas Jardim, Thaíse Emilio, Christine D. Bacon & Rosane G. Collevatti
Rainforests have been a source of lineages to open and seasonally dry habitats throughout Angiosperm evolution, especially in the Neotropics. However, the underlying mechanisms that allow such shifts remain poorly understood at large spatial scales. Here, we test whether acaulescence (an underground stem or a very short stem concealed in the ground) has affected the colonization and speciation in Neotropical seasonally dry habitats by cocosoid palms (Cocoseae). Acaulescent species maintain their growth underground, which increases...

Data supporting: Invader at the edge - genomic origins and physiological differences of round gobies across a steep urban salinity gradient

Leon Green, Ellika Faust, James Hinchcliffe, Jeroen Brijs, Andrew Holmes, Felix Englund-Örn, Ola Svensson, Jonathan A.C. Roques, Erica H. Leder, Erik Sandblom & Charlotta Kvarnemo
Species invasions are a global problem of increasing concern, especially in highly connected aquatic environments. Despite this, salinity conditions can pose physiological barriers to their spread and understanding them is important for management. In Scandinavia’s largest cargo port, the invasive round goby (Neogobius melanostomus), is established across a steep salinity gradient. We used 12 937 SNPs to identify the genetic origin and diversity of three sites along the salinity gradient and round goby from western,...

Data from: High methane emissions from an anoxic fjord driven by mixing and oxygenation

Stefano Bonaglia, Tobias Rütting, Kononets Mikhail, Anders Stigebrandt, Isaac R. Santos & Per O. J. Hall
Tracking sources, sinks and long-term trends of methane emissions is imperative under climate change. Marine methane fluxes remain elusive and uncertain even though the ocean plays a major role in global budgets. High-latitude fjord ecosystems are widespread, store large amounts of sediment carbon, and undergo cycles of water column mixing, making them potential but still overlooked sources of methane to the atmosphere. Here, state-of-the-art benthic lander robots and multi annual observations revealed that anoxic fjords...

Seasonal but not sex-biased gene expression of the carotenoid ketolase, CYP2J19, in the sexually dichromatic southern red bishop (Euplectes orix)

Rute Mendonça, Willow Lindsay, Rute Mendonça, Mathilda Slight, Maria Prager, Mats Andersson, Nicholas Mundy & Staffan Andersson
Intense red colors in birds are often due to ketocarotenoids (KCs). In many land birds, KCs are oxidized from dietary yellow precursors, presumably by the avian carotenoid ketolase CYP2J19, the regulation and constraints of which have important implications for condition-dependence and honest signaling of carotenoid color displays. Here we investigate hepatic CYP2J19 gene expression in the seasonally and sexually dichromatic southern red bishop (Euplectes orix) in relation to season, sex, progression of the prenuptial moult,...

Data from: Genetic architecture of repeated phenotypic divergence in Littorina saxatilis ecotype evolution

Eva L Koch, Mark Ravinet, Anja M Westram, Kerstin Johannesson & Roger K. Butlin
Chromosomal inversions have been shown to play a major role in local adaptation by suppressing recombination between alternative arrangements and maintaining beneficial allele combinations. However, so far, their importance relative to the remaining genome remains largely unknown. Understanding the genetic architecture of adaptation requires better estimates of how loci of different effect sizes contribute to phenotypic variation. Here, we used three Swedish islands where the marine snail Littorina saxatilis has repeatedly evolved into two distinct...

Using replicate hybrid zones to understand the genomic basis of adaptive divergence

Anja Marie Westram, Rui Faria, Kerstin Johannesson & Roger Butlin
Combining hybrid zone analysis with genomic data is a promising approach to understanding the genomic basis of adaptive divergence. It allows for the identification of genomic regions underlying barriers to gene flow. It also provides insights into spatial patterns of allele frequency change, informing about the interplay between environmental factors, dispersal and selection. However, when only a single hybrid zone is analysed, it is difficult to separate patterns generated by selection from those resulting from...

Risk factors and outcomes of postoperative stroke in surgical treatment for giant intracranial aneurysms

Hao Wang, Junlin Lu, Xin Chen & Qiang Hao
Abstract Background Giant intracranial aneurysms (GIAs) are challenges for surgical treatment. Risk factors of postoperative stroke remain unclear. This study aims to investigate the predictors of postoperative stroke in GIAs and the impact of stroke on outcomes. Methods We performed a retrospective medical record review of patients with GIAs who received microsurgery at our institution between 2011 and 2018. Multivariate logistic regression analyses were carried out to identify risk factors for postoperative stroke. The clinical...

Data for: Adaptive, maladaptive, neutral, or absent plasticity: Hidden caveats of reaction norms

Martin Eriksson, Alexandra Kinnby, Pierre De Wit & Marina Rafajlović
Adaptive phenotypic plasticity may improve the response of individuals when faced with new environmental conditions. Typically, empirical evidence for plasticity is based on phenotypic reaction norms obtained in reciprocal transplant experiments. In such experiments, individuals from their native environment are transplanted into a different environment, and a number of trait values, potentially implicated in individuals’ response to the new environment, are measured. However, the interpretations of reaction norms may differ depending on the nature of...

Additional file 1 of Association between frequency of dairy product consumption and hypertension: a cross-sectional study in Zhejiang Province, China

Hao Wang, Lingli Chen, Yuan Cao, Kaixu Xie, Chunmei Wang, Pei Pei, Yu Guo, Fiona Bragg, Min Yu, Zhengming Chen & Liming Li
Additional file 1. Table S1. Unadjusted and adjusted β coefficients for SBP and DBP associated with frequency of dairy product consumption among adults without self-reported physician-diagnosed hypertension in Zhejiang. Table S2. Unadjusted and adjusted prevalence ratios for hypertension associated with frequency of dairy product consumption among adults in Zhejiang. Table S3. Adjusted odds ratios for hypertension associated with consuming dairy products weekly vs. never according to participant characteristics.

Additional file 1 of Psychometric validation of a chinese version of COVID-19 vaccine hesitancy scale: a cross-sectional study

Yiman Huang, Yijin Wu, Zhenwei Dai, Weijun Xiao, Hao Wang, Mingyu Si, Wenjun Wang, Xiaofen Gu, Li Ma, Li Li, Shaokai Zhang, Chunxia Yang, Yanqin Yu, Youlin Qiao & Xiaoyou Su
Additional file 1: COVID-19 Vaccine Hesitancy Scale Item Description.

Psychometric validation of a chinese version of COVID-19 vaccine hesitancy scale: a cross-sectional study

Yiman Huang, Yijin Wu, Zhenwei Dai, Weijun Xiao, Hao Wang, Mingyu Si, Wenjun Wang, Xiaofen Gu, Li Ma, Li Li, Shaokai Zhang, Chunxia Yang, Yanqin Yu, Youlin Qiao & Xiaoyou Su
Abstract Background COVID-19 vaccines have been administered in many countries; however, a sufficient vaccine coverage rate is not guaranteed due to vaccine hesitancy. To improve the uptake rate of COVID-19 vaccine, it is essential to evaluate the rate of vaccine hesitancy and explore relevant factors in different populations. An urgent need is to measure COVID-19 vaccine hesitancy among different population groups, hence a validated scale for measuring COVID-19 vaccine hesitancy is necessary. The present study...

Data from: Do the same genes underlie parallel phenotypic divergence in different Littorina saxatilis populations?

Anja M. Westram, Juan Galindo, Magnus Alm Rosenblad, John W. Grahame, Marina Panova & Roger K. Butlin
Parallel patterns of adaptive divergence and speciation are cited as powerful evidence for the role of selection driving these processes. However, it is often not clear whether parallel phenotypic divergence is underlain by parallel genetic changes. Here, we asked about the genetic basis of parallel divergence in the marine snail Littorina saxatilis, which has repeatedly evolved coexisting ecotypes adapted to either crab predation or wave action. We sequenced the transcriptome of snails of both ecotypes...

Data from: Molecular data and ploidal levels indicate several putative allopolyploidization events in the genus Potentilla (Rosaceae)

Mats Töpel, Magnus Lundberg, Torsten Eriksson & Bente Eriksen
Several naturally occurring hybrids in Potentilla (Rosaceae) have been reported, but no molecular evidence has so far been available to test these hypotheses of hybridization. We have compared a nuclear and a chloroplast gene tree to identify topological incongruences that may indicate hybridization events in the genus. Furthermore, the monophyly and phylogenetic position of the proposed segregated genera Argentina, Ivesia and Horkelia have been tested. The systematic signal from the two morphological characters, style- and...

Data from: Localization of QTL for diapause and other photoperiodically regulated life-history traits important in adaptation to seasonally varying environments

Venera I. Tyukmaeva, Paris Veltsos, Jon Slate, Emma Gregson, Hannele Kauranen, Maaria Kankare, Michael G. Ritchie, Roger K. Butlin & Anneli Hoikkala
Seasonally changing environments at high latitudes present great challenges for the reproduction and survival of insects, and photoperiodic cues play an important role in helping them to synchronize their life cycle with prevalent and forthcoming conditions. We have mapped quantitative trait loci (QTL) responsible for the photoperiodic regulation of four life history traits, female reproductive diapause, cold tolerance, egg-to-eclosion development time and juvenile body weight in Drosophila montana strains from different latitudes in Canada and...

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