49 Works

Dataset associated with 'Scaling of the Dzyaloshinskii-Moriya interaction with magnetization in Pt/Co(Fe)B/Ir multilayers'

Khulaif Alshammari, Eloi Haltz, Mohammed Alyami, Mannan Ali, Paul Keatley, Christopher Marrows, Joseph Barker & Thomas Moore
Magnetic multilayers with perpendicular anisotropy and an interfacial Dzyaloshinskii-Moriya interaction contain chiral domain walls and skyrmions that are promising for applications. Here we measure the temperature dependence of the Dzyaloshinskii-Moriya interaction (DMI) in Pt/CoFeB/Ir and Pt/CoB/Ir multilayers by means of static domain imaging. First, the temperature dependences of saturation magnetization ($M_{\rm{S}}$), exchange stiffness ($A$) and intrinsic perpendicular anisotropy ($K_{\rm{u}}$) are determined. Then the demagnetized domain pattern in each multilayer is imaged by wide-field Kerr microscopy...

Male song stability shows cross-year repeatability but does not affect reproductive success in a wild passerine bird

Alexander Hutfluss, Eira Bermúdez-Cuamatzin, Alexia Mouchet, Mark Briffa, Hans Slabbekoorn & Niels Dingemanse
Predictable behaviour (or “behavioural stability”) might be favoured in certain ecological contexts, e.g. when representing a quality signal. Costs associated with producing stable phenotypes imply selection should favour plasticity in stability when beneficial. Repeatable among-individual differences in degree of stability are simultaneously expected if individuals differ in ability to pay these costs, or in how they resolve cost-benefit trade-offs. Bird song represents a prime example, where stability may be costly yet beneficial when stable singing...

Tree phenology - observer intercalibration and individual tree phenological scoring

Nicolas Delpierre, Isabelle Chuine & Eleanor Cole
We report data documenting (1) the dynamics of budburst and leaf senescence in three European natural forest tree populations over the period od 2012-2015 and (2) the variability among phenological observers as documented from seven observer inter-calibration experiments conducted in France over 2007-2017 for both the budburst and leaf senescence period.

Multigene phylogenetics of euglenids based on single-cell transcriptomics of diverse phagotrophs

Gordon Lax, Martin Kolisko, Yana Eglit, Won Je Lee, Naoji Yubuki, Anna Karnkowska, Leander Brian, Gertraud Burger, Patrick Keeling & Alastair Simpson
Euglenids are a well-known group of single-celled eukaryotes, with phototrophic, osmotrophic and phagotrophic members. Phagotrophs represent most of the phylogenetic diversity of euglenids, and gave rise to the phototrophs and osmotrophs, but their evolutionary relationships are poorly understood. Symbiontids, in contrast, are anaerobes that are alternatively inferred to be derived euglenids, or a separate euglenozoan group. Most phylogenetic studies of euglenids have examined the SSU rDNA gene only, which is often highly divergent. Also, many...

Data from: Decreased brain connectivity in smoking contrasts with increased connectivity in drinking

Wei Cheng, Edmund T. Rolls, Trevor W. Robbins, Weikang Gong, Zhaowen Liu, Wujun Lv, Jingnan Du, Hongkai Wen, Liang Ma, Erin Burke Quinlan, Hugh Garavan, Eric Artiges, Dimitri Papadopoulos Orfanos, Michael N. Smolka, Gunter Schumann, Keith Kendrick & Jianfeng Feng
In a group of 831 participants from the general population in the Human Connectome Project, smokers exhibited low overall functional connectivity, and more specifically of the lateral orbitofrontal cortex which is associated with non-reward mechanisms, the adjacent inferior frontal gyrus, and the precuneus. Participants who drank a high amount had overall increases in resting state functional connectivity, and specific increases in reward-related systems including the medial orbitofrontal cortex and the cingulate cortex. Increased impulsivity was...

Annual egg productivity predicts female-biased mortality in avian species

Diego Rubolini, Andrea Romano, Andras Liker, Gaia Bazzi, Roberto Ambrosini & Anders Møller
Among avian species, the differential cost entailed by either sex in competition for mates have been regarded as the main evolutionary influence on sex differences in mortality rates. However, empirical evidence suggests that sex-biased adult mortality is mainly related to differential energy investment in gamete production, a greater annual mass devoted to egg production leading to higher female mortality. We explicitly tested the generality of this pattern in a comparative framework. Annual egg production can...

Floral preferences of mountain bumble bees are constrained by functional traits but flexible through elevation and season

Douglas Sponsler, Katharina Kallnik, Fabrice Requier, Alice Classen, Anne Maihoff, Johanna Sieger & Ingolf Steffan-Dewenter
Patterns of resource use by animals can clarify how ecological communities have assembled in the past, how they currently function, and how they are likely to respond to future perturbations. Bumble bees (Hymentoptera: Bombus spp.) and their floral hosts provide a diverse yet tractable system in which to explore resource selection in the context of plant-pollinator networks. Under conditions of resource limitation, the ability of bumble bees species to coexist should depend on dietary niche...

Data for Interannual variability in the source location of North African dust transported to the Amazon

Cassandra Gaston, A Pourmand, J Longman, A Sharifi, Joseph Prospero, K Panechou, N Bakker, N Drake, D Guioiseau & Anne Barkley
Here, we present the data and MixSIAR code that corresponds to the manuscript “Interannual variability in the source location of North African dust transported to the Amazon.” African dust is seasonally transported to the western Tropical Atlantic Ocean (TAO) and South America (SA), including the Amazon Basin. Leading hypotheses suggest that either the Western North African potential source area (PSA) or the Central North African PSA (e.g., Bodélé Depression) is the main source of dust...

Data from: Co-occurrence among three divergent plant-castrating fungi in the same silene host species

Jessica L. Abbate, Pierre Gladieux, Michael E. Hood, Damien M. De Vienne, Janis Antonovics, Alodie Snirc & Tatiana Giraud
The competitive exclusion principle postulates that different species can only coexist in sympatry if they occupy distinct ecological niches. The goal of this study was to understand the geographical distribution of three species of Microbotryum anther-smut fungi that are distantly related but infect the same host plants, the sister species Silene vulgaris and S. uniflora, in western Europe. We used microsatellite markers to investigate pathogen distribution in relation to host specialization and ecological factors. Microbotryum...

Dataset associated with 'The effect of mutation on an aggregation-prone protein: An in vivo, in vitro and in silico analysis'

N. Gutherz, R. Van der Kant, H. Smit, M. Martinez, Yong Xu, Chi Trinh, Bogdan I. Iorga, F. Rousseau, J. Schymkowitz, David Brockwell & Sheena Radford
Aggregation of initially stably structured proteins is involved in more than 20 human amyloid diseases. Despite intense research, however, how this class of proteins assembles into amyloid fibrils remains poorly understood. We address this question using β2-microglobulin (β2m) as a model system, focusing on D76N-β2m that is involved in hereditary amyloidosis. Here, we identify the residues key to protect β2m from aggregation and we show that residue 76 has a unique ability to drive β2m...

De novo genome assembly of Leptodactylus fuscus

Lu Yang, Peter Andolfatto, Andrew Crawford, Santiago Herrera-Álvarez, Maríadel Pilar Rodríguez-Ordoñez, Julie Peng, Shabnam Mohammadi, Jay Storz, Arbel Harpak & Susanne Dobler
This presents a de novo genome assembly of Leptodactylus fuscus. High molecular weight DNA was extracted from a L. fuscus embryo which had been preserved in ethanol upon collection in Garzón, Huila, Colombia. The library was prepared and sequenced with 10X Genomics Chromium. Linked reads were processed by Long Ranger basic v2.2.2 and assembled with Supernova v2.1.1. The assembled genome is 2.42 Gb with 16,530 scaffolds >=10 kb, and scaffold N50 = 363 kb. The...

Antibacterial and anatomical defences in an oil contaminated, vulnerable seaduck

Karsten Laursen, Anders Pape Møller, Jorge Izaguirre & Alfonso Marzal
Oil-spills have killed thousands of birds during the last 100 years, but non-lethal effects of oil-spills on birds remain poorly studied. We measured phenotype characters in 279 eiders Somateria mollissima of which 13.6% were oiled. We tested the hypotheses that (1) the morphology of eiders does not change due to oil contamination; (2) the anatomy of organs reflects the physiological reaction to contamination e.g. increase in metabolic demand, increase in food intake and counteracting toxic...

Neurofilament light chain (NfL) as a biomarker of hereditary transthyretin-mediated amyloidosis

Paul Nioi, Simina Ticau, Gautham V. Sridharan, Shira Tsour, William L. Cantley, Amy Chan, Jason A. Gilbert, David Erbe, Emre Aldinc, Mary M. Reilly, David Adams, Michael Polydefkis, Kevin Fitzgerald & Akshay Vaishnaw
To identify changes in the proteome associated with onset and progression of ATTRv amyloidosis, we performed an observational, case-controlled study which compared proteomes of patients with ATTRv amyloidosis and healthy controls. Plasma levels of >1,000 proteins were measured in patients with ATTRv amyloidosis with polyneuropathy who received either placebo or patisiran in the APOLLO study and in healthy controls. The impact of patisiran on the time profile of each protein was determined by linear mixed...

Data from: Concerted evolution reveals co-adapted amino acid substitutions in Na+K+ ATPase of frogs that prey on toxic toads

Shabnam Mohammadi, Lu Yang, Arbel Harpak, Santiago Herrera-Álvarez, María Del Pilar Rodríguez-Ordoñez, Julie Peng, Karen Zhang, Jay Storz, Susanne Dobler, Andrew Crawford & Peter Andolfatto
Gene duplication is an important source of evolutionary innovation, but the functional distinction between duplicates can be opposed by ongoing gene conversion between them. Here we document a tandem duplication of Na+,K+-ATPase subunit α1 (ATP1A1) sharedby frogs in the genus Leptodactylus,a group of species that feeds on toxic toads. One ATP1A1 paralog evolved resistance to toad toxins while the other paralog retained ancestral susceptibility. Frequent non-allelic gene conversion homogenized most of the paralog sequences,yet the...

Cape fur seal vocal repertoire - acoustic parameters

Mathilde Martin, Tess Gridley, Simon Elwen & Isabelle Charrier
Communication is primordial for survival of animal species as signals are involved in many social interactions (mate selection, parental care, and collective behaviours). The acoustic channel is the primary modality used by birds and mammals to reliably exchange information among individuals. In group-living species, the propagation of vocal signals is limited due to the density of individuals and the background noise. Vocal exchanges are therefore challenging. This study is the first investigation into the acoustic...

Pollination deficits and contributions of pollinators in apple production: a global meta-analysis

Aruhan Olhnuud, Yunhui Liu, David Makowski, Teja Tscharntke, Catrin Westphal, Panlong Wu, Meina Wang & Wopke Van Der Werf
1. Apple is one of the most widely cultivated fruit crops worldwide, and apple yield benefits from pollination by insects. The global decline in wild pollinator populations raises concern about the adequacy of pollination services in apple production. 2. Here, we present a global meta-analysis of pollination in apple. We assembled from the literature a dataset comprising results of 48 studies across five continents on fruit set and seed set in apple with insect pollination,...

Data from: Rapid change from migration to residence in relation to climate in a long-distance migratory bird

Anders Møller, Tim Van Nus & Keith Hobson
Recent changes in climate have advanced the timing of long-distance migration in birds, although there are still no studies showing a change from migration to residence in previously migratory populations. Barn swallows Hirundo rustica are long-distance migrant songbirds with an almost global breeding distribution and with resident populations in Egypt and possibly in south China. In Europe, they have been exclusively migratory with wintering populations in Africa where they also undergo an annual moult. In...

Supporting data for: Gene-rich UV sex chromosomes harbor conserved regulators of sexual development (Carey et al., 2021)

Sarah Carey, Shenqiang Shu, John Lovell, Avinash Shenqiang, Florian Maumus, George Tiley, Noe Fernandez-Pozo, Kerrie Barry, Cindy Chen, Mei Wang, Anna Lipzen, Chris Daum, Christopher Saski, Adam Payton, Jordan McBreen, Roth Conrad, Leslie Kollar, Sanna Olsson, Sanna Huttunen, Jacob Landis, Norman Wickett, Matthew Johnson, Stefan Rensing, Jane Grimwood, Jeremy Schmutz … & Adam Healey
Non-recombining sex chromosomes, like the mammalian Y, often lose genes and accumulate transposable elements, a process termed degeneration. The correlation between suppressed recombination and degeneration is clear in animal XY systems, but the absence of recombination is confounded with other asymmetries between the X and Y. In contrast, UV sex chromosomes, like those found in bryophytes, experience symmetrical population genetic conditions. Here we generate and use nearly gapless female and male chromosome-scale reference genomes of...

Data from: Disturbance and predation risk influence vigilance synchrony of Black-necked Cranes Grus nigricollis, but not as strongly as expected

Dejun Kong, Anders Pape Møller & Yanyun Zhang
Animals monitor surrounding dangers independently or cooperatively (synchronized and coordinated vigilance), with independent and synchronized scanning being prevalent. Coordinated vigilance, including unique sentinel behaviour, is rare in nature, since it is time-consuming and limited in terms of benefits. No evidence showed animals adopt alternative vigilance strategies during antipredation scanning yet. Considering the non-independent nature of both synchronization and coordination, we assessed whether group members could keep alert synchronously or in a coordinated fashion under different...

Data from: Pushing Raman spectroscopy over the edge: purported signatures of organic molecules in fossil animals are instrumental artefacts

Julien Alleon, Gilles Montagnac, Bruno Reynard, Thibault Brulé, Mathieu Thoury & Pierre Gueriau
Widespread preservation of fossilized biomolecules in many fossil animals has recently been reported in six studies, based on Raman microspectroscopy. Here, we show that the putative Raman signatures of organic compounds in these fossils are actually instrumental artefacts resulting from intense background luminescence. Raman spectroscopy is based on the detection of photons scattered inelastically by matter upon its interaction with a laser beam. For many natural materials, this interaction also generates a luminescence signal that...

Impacts of a high fat diet on the metabolic profile and the phenotype of atrial myocardium in mice

Nadine Suffee, Elodie Baptista, Jérome Piquereau, Maharajah Ponnaiah, Nicolas Doisne, Farid Ichou, Marie Lhomme, Camille Pichard, Vicent Galand, Nathalie Mougenot, Gilles Dilanian, Laurence Lucats, Elise Balse, Mathias Mericskay, Wilfried Le Goeff & Stéphane N Hatem
Aims: Obesity, diabetes and metabolic syndromes are risk factors of atrial fibrillation (AF). We tested the hypothesis that metabolic disorders have a direct impact on the atria favoring the formation of the substrate of AF. Methods & Results: Untargeted metabolomic and lipidomic analysis was used to investigate the consequences of a prolonged high fat diet (HFD) on mouse atria. Atrial properties were characterized by measuring mitochondria respiration in saponin-permeabilized trabeculae, by recording action potential with...

Exploring multitrophic interactions in oilseed rape fields reveals the prevailing role of Carabidae

Lola Serée, Antoine Gardarin, Olivier Crouzet, Aude Barbottin, Muriel Valantin-Morison & François Chiron
In cropped fields, birds are often at the highest position in the food chain, feeding on pest arthropods and their intermediate predators in a process known as intraguild predation. The net effects of bird predation on phytophagous insect populations (feeding on plants) are difficult to predict without comprehensively describing prey-predator communities and their complex interplay. We sampled bird and arthropod communities in 30 oilseed rape fields in the spring of 2019 and 2020 in France....

Data on measuring splash dispersal of a major wheat pathogen in the field

Petteri Karisto, Frédéric Suffert & Alexey Mikaberidze
Capacity for dispersal is a fundamental fitness component of plant pathogens. Characterization of plant pathogen dispersal is important for understanding how pathogen populations change in time and space. We devised a systematic approach to measure and analyze rain splash-driven dispersal of plant pathogens in field conditions, using the major fungal wheat pathogen Zymoseptoria tritici as a case study.We inoculated field plots of wheat (Triticum aestivum) with two distinct Z. tritici strains. Next, we measured disease...

Nuclear and mitochondrial genome of the mediterranean corn borer Sesamia nonagrioides

Clement Gilbert
This dataset contains the assembly and annotation of the mitochondrial genome and of the nuclear genome of the Mediterranean corn borer (Sesamia nonagrioides, Noctuidae, Lepidoptera), a major pest of maize in Europe and Africa. The DNA used to generate this assembly was extracted from a pool of inbred males and females third instar larvae. The assembly is based on short- and long-read sequencing. The complete mitochondrial genome is 15,330 bp and contains all expected 13...

Data from: Sequence analysis of European maize inbred line F2 provides new insights into molecular and chromosomal characteristics of presence/absence variants

Aude Darracq, Clémentine Vitte, Stéphane Nicolas, Jorge Duarte, Jean-Philippe Pichon, Tristan Mary-Huard, Céline Chevalier, Aurélie Bérard, Marie-Christine Le Paslier, Peter Rogowsky, Alain Charcosset & Johann Joets
Maize is well known for its exceptional structural diversity, including copy number variants (CNVs) and presence/absence variants (PAVs), and there is growing evidence for the role of structural variation in maize adaptation. While PAVs have been described in this important crop species, the extent of presence/absence variation and the relative position of inbred-specific regions remain to be elucidated. De novo genome sequencing of the F2 maize inbred line which played a key role in European...

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