6 Works

Data from: Diversification patterns in the CES clade (Brassicaceae tribes Cremolobeae, Eudemeae, Schizopetaleae) in Andean South America

Diego Leonel Salariato, Fernando O. Zuloaga, Andreas Franzke, Klaus Mummenhoff & Ihsan A. Al-Shehbaz
Dated molecular phylogenetic trees show that the Andean uplift had a major impact on South American biodiversity. For many Andean groups, accelerated diversification (radiation) has been documented. However, not all Andean lineages appear to have diversified following the model of rapid radiation, particularly in the central and southern Andes. Here, we investigated the diversification patterns for the largest South American-endemic lineage of Brassicaceae, composed of tribes Cremolobeae, Eudemeae and Schizopetaleae (CES clade). Species of this...

Data from: Phylogeny and new taxonomy of the Booted Eagles (Accipitriformes: Aquilinae)

Heather R. L. Lerner, Les Christidis, Anita Gamauf, Carole Griffiths, Elisabeth Haring, Christopher J. Huddleston, Sonia Kabra, Annett Kocum, Meade Krosby, Kirsti Kvaloy, David Mindell, Pamela Rasmussen, Nils Rov, Rachel Wadleigh, Michael Wink & Jan Ove Gjershaug
We present a phylogeny of all booted eagles (38 extant and one extinct species) based on analysis of published sequences from seven loci. We find molecular support for five major clades within the booted eagles: Nisaetus (10 species), Spizaetus (4 species), Clanga (3 species), Hieraaetus (6 species) and Aquila (11 species), requiring generic changes for 14 taxa. Additionally, we recommend that the Long-crested Eagle (Lophaetus occipitalis) and the Black Eagle (Ictinaetus malaiensis) remain in their...

Data from: Rapid morphological changes, admixture and invasive success in populations of Ring-necked parakeets (Psittacula krameri) established in Europe

Ariane Le Gros, Sarah Samadi, Dario Zuccon, Raphaël Cornette, Michael P. Braun, Juan Carlos Senar & Philippe Clergeau
The Ring-necked parakeet (Psittacula krameri), native of Asia and Africa, is a very successful invasive species in Europe: it has been present there for over 50 years. A recent study showed that European invasive populations occupy a colder climatic niche than in their native range but the establishment of this tropical species in temperate regions remains unexplained. Two main hypotheses may explain the success of Ring-necked parakeet in Europe: admixture between individuals from different origins...

Data from: Identification, visualization and clonal analysis of intestinal stem cells in fish

Narges Aghaallaei, Franziska Gruhl, Colin Q. Schaefer, Tobias Wernet, Venera Weinhardt, Lázaro Centanin, Felix Loosli, Tilo Baumbach & Joachim Wittbrodt
Recently, a stochastic model of symmetrical stem cell division followed by neutral drift has been proposed for intestinal stem cells (ISCs). This division mode has been suggested to represent the predominant mode of stem cell progression in mammals. In contrast, stem cells in the retina of teleost fish show a preferential asymmetric division mode. To address whether the mode of stem cell division is following phylogenetic or ontogenetic routes we characterized and analysed the entire...

Data from: A global genetic interaction network maps a wiring diagram of cellular function

Michael Costanzo, Benjamin VanderSluis, Elizabeth N. Koch, Anastasia Baryshnikova, Carles Pons, Guihong Tan, Wen Wang, Matej Usaj, Julia Hanchard, Susan D. Lee, Vicent Pelechano, Erin B. Styles, Maximilian Billmann, Jolanda Van Leeuwen, Nydia Van Dyk, Zhen-Yuan Lin, Elena Kuzmin, Justin Nelson, Jeff S. Piotrowski, Tharan Srikumar, Sondra Bahr, Yiqun Chen, Raamesh Deshpande, Christoph F. Kurat, Sheena C. Li … & Charles Boone
INTRODUCTION: Genetic interactions occur when mutations in two or more genes combine to generate an unexpected phenotype. An extreme negative or synthetic lethal genetic interaction occurs when two mutations, neither lethal individually, combine to cause cell death. Conversely, positive genetic interactions occur when two mutations produce a phenotype that is less severe than expected. Genetic interactions identify functional relationships between genes and can be harnessed for biological discovery and therapeutic target identification. They may also...

Data from: Visual landmarks sharpen grid cell metric and confer context specificity to neurons of the medial entorhinal cortex

José Antonio Pérez-Escobar, Olga Kornienko, Patrick Latuske, Laura Kohler & Kevin Allen
Neurons of the medial entorhinal cortex (MEC) provide spatial representations critical for navigation. In this network, the periodic firing fields of grid cells act as a metric element for position. The location of the grid firing fields depends on interactions between self-motion information, geometrical properties of the environment and nonmetric contextual cues. Here, we test whether visual information, including nonmetric contextual cues, also regulates the firing rate of MEC neurons. Removal of visual landmarks caused...

Registration Year

  • 2016
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Affiliations

  • Heidelberg University
    6
  • Southern Cross University
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  • University of Washington
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  • National Museum of Natural History
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  • Princeton University
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  • University of Minnesota
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  • Simons Foundation
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  • Museum of Vertebrate Zoology
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  • Naturhistorisches Museum
    1
  • Sorbonne University
    1