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    1. Evolutionary Biology
    2. Genetics and Genomics

    Insights into early animal evolution from the genome of the xenacoelomorph worm Xenoturbella bocki

    Philipp H Schiffer, Paschalis Natsidis ... Maximilian J Telford
    A genome analysis of Xenoturbella bocki provides insights into the biology of this enigmatic marine worm and enhances our understanding of early bilaterian evolution.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Identification of TMEM206 proteins as pore of PAORAC/ASOR acid-sensitive chloride channels

    Florian Ullrich, Sandy Blin ... Thomas J Jentsch
    TMEM206 proteins are identified as constituting the pore of the widely expressed acid-activated chloride channel PAORAC/ASOR, which is important in acid toxicity.
    1. Developmental Biology
    2. Evolutionary Biology

    Gene expression mapping of the neuroectoderm across phyla – conservation and divergence of early brain anlagen between insects and vertebrates

    Nico Posnien, Vera S Hunnekuhl, Gregor Bucher
    Hypotheses on brain homologies between insects and vertebrates are tested by comparing gene expression patterns from flies and beetles with those from vertebrates at early neuroectoderm stages.
    1. Neuroscience

    Ciliomotor circuitry underlying whole-body coordination of ciliary activity in the Platynereis larva

    Csaba Verasztó, Nobuo Ueda ... Gáspár Jékely
    Connectomic reconstruction combined with activity imaging uncovered a rhythmically active neuronal circuit for the coordination of ciliary activity across the whole body of a marine larva.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Bacterial death and TRADD-N domains help define novel apoptosis and immunity mechanisms shared by prokaryotes and metazoans

    Gurmeet Kaur, Lakshminarayan M Iyer ... L Aravind
    Prokaryotic TRADD-N and Death-like adaptor domains in diverse predicted apoptosis and immune systems from multicellular prokaryotes and metazoans indicate the common origin of key apoptosis mechanisms required for the stabilization of multicellularity.
    1. Neuroscience

    Cadherin preserves cohesion across involuting tissues during C. elegans neurulation

    Kristopher M Barnes, Li Fan ... Zhirong Bao
    A coordinated tissue movement during C. elegans central nervous system internalization reveals a novel role for HMR-1/cadherin in maintaining cohesion, and extends the concept of neurulation beyond vertebrates.
    1. Neuroscience

    Functional characterisation of neuropeptides that act as ligands for both calcitonin-type and pigment-dispersing factor-type receptors in a deuterostome

    Xiao Cong, Huachen Liu ... Muyan Chen
    Not revised
    Reviewed Preprint v1
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    • Incomplete
    1. Developmental Biology
    2. Structural Biology and Molecular Biophysics

    Large, long range tensile forces drive convergence during Xenopus blastopore closure and body axis elongation

    David R Shook, Eric M Kasprowicz ... Raymond Keller
    Blastopore closure in Xenopus is driven by two morphogenic mechanisms that have strongly context dependent effects on tissue movement and that generate tensile force across tissues: convergent extension, as expected, and, unexpectedly, convergent thickening.
    1. Structural Biology and Molecular Biophysics

    Three-dimensional flagella structures from animals’ closest unicellular relatives, the Choanoflagellates

    Justine M Pinskey, Adhya Lagisetty ... Daniela Nicastro
    Cryo-electron microscopy reveals previously undescribed structural features of choanoflagellate flagella and provides new insights into flagellar evolution.
    1. Immunology and Inflammation

    IL17 factors are early regulators in the gut epithelium during inflammatory response to Vibrio in the sea urchin larva

    Katherine M Buckley, Eric Chun Hei Ho ... Jonathan P Rast
    Expression of two highly regulated subfamilies of the complex multigene family encoding IL-17 cytokines in the purple sea urchin are sequentially activated in a larval gut-associated inflammation model and modulate downstream gene expression in the gut epithelium.