233 Works

Schema for the description of research data repositories

Paul Vierkant, Shaked Spier, Jessika Ruecknagel, Heinz Pampel, Jens Gundlach, David Fichtmueller, Maxi Kindling, Agnes Kirchhoff, Hans-Jürgen Goebelbecker, Jens Klump, Gabriele Kloska, Evelyn Reuter, Angelika Semrau, Edeltraud Schnepf, Michael Skarupianski, Roland Bertelmann, Peter Schirmbacher, Frank Scholze & Claudia Kramer

Data from: Modeling avian biodiversity using raw, unclassified satellite imagery

Véronique St-Louis, Anna M. Pidgeon, Tobias Kuemmerle, Ruth Sonnenschein, Volker C. Radeloff, Murray K. Clayton, Brian A. Locke, Dallas Bash & Patrick Hostert
Applications of remote sensing for biodiversity conservation typically rely on image classifications that do not capture variability within coarse land cover classes. Here, we compare two measures derived from unclassified remotely sensed data, a measure of habitat heterogeneity and a measure of habitat composition, for explaining bird species richness and the spatial distribution of 10 species in a semi-arid landscape of New Mexico. We surveyed bird abundance from 1996 to 1998 at 42 plots located...

Data from: Age estimates for an adaptive lake fish radiation, its mitochondrial introgression, and an unexpected sister group: Sailfin silversides of the Malili Lakes system in Sulawesi

Björn Stelbrink, Isabella Stöger, Renny K. Hadiaty, Ulrich K. Schliewen & Fabian Herder
Background: The Malili Lakes system in central Sulawesi (Indonesia) is a hotspot of freshwater biodiversity in the Wallacea, characterized by endemic species flocks like the sailfin silversides (Teleostei: Atherinomorpha: Telmatherinidae) radiation. Phylogenetic reconstructions of these freshwater fishes have previously revealed two Lake Matano Telmatherina lineages (sharpfins and roundfins) forming an ancient monophyletic group, which is however masked by introgressive hybridization of sharpfins with riverine populations. The present study uses mitochondrial data, newly included taxa, and...

Data from: Population differentiation of zander (Sander lucioperca, Linnaeus, 1758) across native and newly colonized ranges suggests increasing admixture in the course of an invasion

Erik Eschbach, Arne W. Nolte, Klaus Kohlmann, Petra Kersten, Robert Arlinghaus & Jochem Kail
In addition to ecological factors, evolutionary processes can determine the invasion success of a species. In particular, genetic admixture has the potential to induce rapid evolutionary change, which can result from natural or human-assisted secondary contact between differentiated populations. We studied the recent range expansion of zander in Germany focusing on the interplay between invasion and genetic admixture. Historically, the rivers Elbe and Danube harboured the most north-western source populations from which a north-westward range...

Data from: “Darwin’s corollary” and cytoplasmic incompatibility induced by Cardinium may contribute to speciation in Encarsia wasps (Hymenoptera: Aphelinidae)

Marco Gebiola, Suzanne E. Kelly, Peter Hammerstein, Massimo Giorgini, Molly S. Hunter & Martha S. Hunter
The potential importance of cytoplasmic incompatibility (CI) – inducing bacterial symbionts in speciation of their arthropod hosts has been debated. Theoretical advances have led to a consensus that a role is plausible when CI is combined with other isolating barriers. However, the insect model systems Nasonia and Drosophila are the only two experimental examples documented. Here we analyzed the components of reproductive isolation between the parasitoid wasp Encarsia suzannae, which is infected by the CI-inducing...

Data from: Phosphatidylthreonine and lipid-mediated control of parasite virulence

Ruben D. Arroyo-Olarte, Jos F. Brouwers, Arunakar Kuchipudi, J. Bernd Helms, Aindrila Biswas, Ildiko R. Dunay, Richard Lucius & Nishith Gupta
The major membrane phospholipid classes, described thus far, include phosphatidylcholine (PtdCho), phosphatidylethanolamine (PtdEtn), phosphatidylserine (PtdSer), and phosphatidylinositol (PtdIns). Here, we demonstrate the natural occurrence and genetic origin of an exclusive and rather abundant lipid, phosphatidylthreonine (PtdThr), in a common eukaryotic model parasite, Toxoplasma gondii. The parasite expresses a novel enzyme PtdThr synthase (TgPTS) to produce this lipid in its endoplasmic reticulum. Genetic disruption of TgPTS abrogates de novo synthesis of PtdThr and impairs the lytic...

Data from: Exploring the hidden landscape of female preferences for complex signals

Michael S. Reichert, Jonas Finck & Bernhard Ronacher
A major challenge in evolutionary biology is explaining the origins of complex phenotypic diversity. In animal communication, complex signals may evolve from simpler signals because novel signal elements exploit preexisting biases in receivers’ sensory systems. Investigating the shape of female preference functions for novel signal characteristics is a powerful, but underutilized, method to describe the adaptive landscape potentially guiding complex signal evolution. We measured female preference functions for characteristics of acoustic appendages added to male...

Data from: Transcriptome profiling of ontogeny in the acridid grasshopper Chorthippus biguttulus

Emma L. Berdan, Jonas Finck, Paul R. Johnston, Isabelle Waurick, Camila J. Mazzoni & Frieder Mayer
Acridid grasshoppers (Orthoptera:Acrididae) are widely used model organisms for developmental, evolutionary, and neurobiological research. Although there has been recent influx of orthopteran transcriptomic resources, many use pooled ontogenetic stages obscuring information about changes in gene expression during development. Here we developed a de novo transcriptome spanning 7 stages in the life cycle of the acridid grasshopper Chorthippus biguttulus. Samples from different stages encompassing embryonic development through adults were used for transcriptomic profiling, revealing patterns of...

Data from: Demography and selection shape transcriptomic divergence in field crickets

Thomas Blankers, Sibelle Torres Vilaça, Isabelle Waurick, David A. Gray, R. Matthias Hennig, Camilla J. Mazzoni, Frieder Mayer & Emma L. Berdan
Gene flow, demography, and selection can result in similar patterns of genomic variation and disentangling their effects is key to understanding speciation. Here, we assess transcriptomic variation to unravel the evolutionary history of Gryllus rubens and G. texensis, cryptic field cricket species with highly divergent mating behavior. We infer their demographic history and screen their transcriptomes for footprints of selection in the context of the inferred demography. We find strong support for a long history...

Data from: Implications of dimeric activation of PDE6 for rod phototransduction

Trevor D. Lamb, Martin Heck & Timothy W. Kraft
We examine the implications of a recent report providing evidence that two transducins must bind to the rod phosphodiesterase to elicit significant hydrolytic activity. To predict the rod photoreceptor's electrical response, we use numerical simulation of the two-dimensional diffusional contact of interacting molecules at the surface of the disc membrane, and then we use the simulated PDE activity as the driving function for the downstream reaction cascade. The results account for a number of aspects...

Data from: Breeding bird species diversity across gradients of land use from forest to agriculture in Europe

Matti J. Koivula, Dan E. Chamberlain, Robert J. Fuller, Stephen C. F. Palmer, Attila Bankovics, Fintan Bracken, Tom Bolger, Eduardo De Juana, Marc Montadert, Renato Neves, Rui Rufino, Angel Sallent, Luís Lopes Da Silva, Pedro J. Leitão, Manfred Steffen & Allan D. Watt
Loss, fragmentation and decreasing quality of habitats have been proposed as major threats to biodiversity world-wide, but relatively little is known about biodiversity responses to multiple pressures, particularly at very large spatial scales. We evaluated the relative contributions of four landscape variables (habitat cover, diversity, fragmentation and productivity) in determining different components of avian diversity across Europe. We sampled breeding birds in multiple 1-km2 landscapes, from high forest cover to intensive agricultural land, in eight...

2.2.6. Motivationspsychologie

Wanja Wolff, Kim-Marie Stadler, Mirko Wegner & Julia Schüler
Kapitel des Online Lehrbuch der Medizinischen Psychologie und Medizinischen Soziologie

Data from: Physical linkage and mate preference generate linkage disequilibrium for behavioral isolation in two parapatric crickets

Thomas Blankers, Emma L. Berdan, Ralf Matthias Hennig & Frieder Mayer
Behavioral isolation is a potent barrier to gene flow and a source of striking diversity in the animal kingdom. However, it remains unclear if the linkage disequilibrium (LD) between sex-specific traits required for behavioral isolation results mostly from physical linkage between signal and preference loci or from directional mate preferences. Here, we test this in the field crickets Gryllus rubens and G. texensis. These closely related species diverged with gene flow and have strongly diverged...

Data from: Weighing homoplasy against alternative scenarios with the help of macroevolutionary modeling: a case study on limb bones of fossorial sciuromorph rodents

Jan Wölfer &
Homoplasy is a strong indicator of a phenotypic trait’s adaptive significance when it can be linked to a similar function. We assessed homoplasy in functionally relevant scapular and femoral traits of Marmotini and Xerini, two sciuromorph rodent clades that independently acquired a fossorial lifestyle from an arboreal ancestor. We studied 125 species in the scapular dataset and 123 species in the femoral dataset. Pairwise evolutionary model comparison was used to evaluate whether homoplasy of trait...

Data from: Increasing synergistic effects of habitat destruction and hunting on mammals over three decades in the Gran Chaco

Alfredo Romero-Muñoz, Ana Benítez-López, Damaris Zurell, Matthias Baumann, Micaela Camino, Julieta Decarre, Hugo Del Castillo, Anthony Giordano, Bibiana Gómez-Valencia, Christian Levers, Andrew Noss, Veronica Quiroga, Jeffrey Thompson, Ricardo Torres, Marianela Velilla, Andrea Weiler & Tobias Kuemmerle
Habitat destruction and overexploitation are the main threats to biodiversity and where they co-occur, their combined impact is often larger than their individual one. Yet, detailed knowledge of the spatial footprints of these threats is lacking, including where they overlap and how they change over time. These knowledge gaps are real barriers for effective conservation planning. Here, we develop a novel approach to reconstruct the individual and combined footprints of both threats over time. We...

Datasets related to the paper 'Identifying priority areas for restoring mountain ungulates in the Caucasus ecoregion'

Tobias Kuemmerle
Three datasets are contained here: 1. The final habitat suitability map for bezoar goats (Capra aegagrus aegagrus) for the Caucasus ecoregion (in TIFF format) 2. The table of occurence location used for generating this map (in CSV format) 3. The habitat patches derived from the habitat suitability map and their priority ranking according to three conservation scenarios (in SHP format)

Selinunt, Italien. Selinunt. Die Arbeiten des Jahres 2019

Ortwin Dally, Jon Albers, Heike Bücherl, Sophie Helas, Agnes Henning, Frédéric Mège, Arnaud Coutelas, Alf Lindroos & Jesper Olsen
The report contains the results of various research and excavation activities of the DAI Rome and its cooperation partners in Selinunt from the year 2019. The third and final campaign took place in the Agora, work continued on temples A and O, floor examinations were carried out in various houses on the Acropolis, a new DFG project was started in the east port, and in the Baglio Florio of the Parco Archeologico di Selinunte at...

Trade-offs between biodiversity and agriculture are moving targets in dynamic landscapes

Leandro Macchi, Julieta Decarre, Andrea Goijman, Matias Mastrangelo, Pedro Blendinger, Gregorio Gavier-Pizarro, Francisco Murray, Maria Piquer-Rodriguez, Asuncion Semper-Pascual & Tobias Kuemmerle
Understanding how biodiversity responds to intensifying agriculture is critical to mitigating the trade-offs between them. These trade-offs are particularly strong in tropical and subtropical deforestation frontiers, yet it remains unclear how changing landscape context in such frontiers alters agriculture-biodiversity trade-offs. We focus on the Argentinean Chaco, a global deforestation hotspot, to explore how landscape context shapes trade-off curves between agricultural intensity and avian biodiversity. We use a space-for-time approach and integrate a large field dataset...

Data from: How do habitat amount and habitat fragmentation drive time-delayed responses of biodiversity to land-use change?

Asunción Semper-Pascual
Land-use change is a root cause of the extinction crisis, but links between habitat change and biodiversity loss are not fully understood. While there is evidence that habitat loss is an important extinction driver, the relevance of habitat fragmentation remains debated. Moreover, while time-delays of biodiversity responses to habitat transformation are well-documented, time-delayed effects have been ignored in the habitat loss vs. fragmentation debate. Here, using a hierarchical Bayesian multi- species occupancy framework, we systematically...

2013 Simulated EnMAP Mosaics for the Santa Barbara region, USA

Akpona Okujeni, Sam Cooper, Karl Segl, Sebastian van der Linden & Patrick Hostert
This dataset is composed of three-season simulated EnMAP mosaics for the Santa Barbara region, USA. HyspIRI Airborne Campaign AVIRIS imagery from spring, summer and fall formed the basis for simulating EnMAP data with 30 m spatial resolution and 195 spectral bands ranging from 420 to 2450 nm. The mosaics are provided as Analysis-Ready-Datasets (tiled surface reflectance products) to be used for regional-scale and multi-season hyperspectral image analysis of California’s diverse ecoregions. The dataset primarily intends...

Feasibility and outcome of reproducible clinical interpretation of high-dimensional molecular data: a comparison of two molecular tumor boards

Damian T. Rieke, Till de Bortoli, Peter Horak, Mario Lamping, Manuela Benary, Ivan Jelas, Gina Rüter, Johannes Berger, Marit Zettwitz, Niklas Kagelmann, Andreas Kind, Falk Fabian, Dieter Beule, Hanno Glimm, Benedikt Brors, Albrecht Stenzinger, Stefan Fröhling & Ulrich Keilholz
Abstract Background Structured and harmonized implementation of molecular tumor boards (MTB) for the clinical interpretation of molecular data presents a current challenge for precision oncology. Heterogeneity in the interpretation of molecular data was shown for patients even with a limited number of molecular alterations. Integration of high-dimensional molecular data, including RNA- (RNA-Seq) and whole-exome sequencing (WES), is expected to further complicate clinical application. To analyze challenges for MTB harmonization based on complex molecular datasets, we...

Additional file 1 of Feasibility and outcome of reproducible clinical interpretation of high-dimensional molecular data: a comparison of two molecular tumor boards

Damian T. Rieke, Till de Bortoli, Peter Horak, Mario Lamping, Manuela Benary, Ivan Jelas, Gina Rüter, Johannes Berger, Marit Zettwitz, Niklas Kagelmann, Andreas Kind, Falk Fabian, Dieter Beule, Hanno Glimm, Benedikt Brors, Albrecht Stenzinger, Stefan Fröhling & Ulrich Keilholz
Additional file 1: Figure S1. Shows the respective molecular tumor board workflows of Heidelberg (HDB) and Berlin (BLN). Corresponding steps are indicated by their respective colors.

Maps of forest-smallholder homesteads in the Chaco at 10x10km² spatial resolution (1985-2015)

Christian Levers, Alfredo Romero-Muñoz, Matthias Baumann, Teresa De Marzo, Pedro David Fernández, Nestor Ignacio Gasparri, Gregorio Ignacio Gavier-Pizarro, Yann Le Polain De Waroux, María Piquer-Rodríguez, Asunción Semper-Pascual & Tobias Kuemmerle
The data contained in the three ZIP files represents the following information on smallholder homestead distribution and dynamics across the Gran Chaco ecoregion: - presence of smallholder homesteads for target years in five-year intervals between 1985 and 2015 [% per grid cell] - net loss of smallholder homesteads between five-year intervals between 1985 and 2015 [% per grid cell] - net gain of smallholder homesteads between five-year intervals between 1985 and 2015 [% per grid...

Educating physicians on strong opioids by descriptive versus simulated-experience formats: a randomized controlled trial

Odette Wegwarth, Claudia Spies, Wolf-Dieter Ludwig, Norbert Donner-Banzhoff, Günther Jonitz & Ralph Hertwig
Abstract Background Long-term prescriptions of strong opioids for chronic noncancer pain—which are not supported by scientific evidence—suggest miscalibrated risk perceptions among those who prescribe, dispense, and take opioids. Because risk perceptions and behaviors can differ depending on whether people learn about risks through description or experience, we investigated the effects of descriptive versus simulated-experience educative formats on physicians’ risk perceptions of strong opioids and their prescription behavior for managing chronic noncancer pain. Methods Three hundred...

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  • Humboldt-Universität zu Berlin
  • Charité - University Medicine Berlin
  • Humboldt University of Berlin
  • Shanghai University
  • West China Hospital of Sichuan University
  • Shanghai Jiao Tong University
  • Chinese Academy of Medical Sciences & Peking Union Medical College
  • Mayo Clinic
  • First Affiliated Hospital of Xi'an Jiaotong University
  • Jinan University