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    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. Evolutionary Biology
    2. Genetics and Genomics

    A putative origin of the insect chemosensory receptor superfamily in the last common eukaryotic ancestor

    Richard Benton, Christophe Dessimoz, David Moi
    Comparative genomics and three-dimensional protein modelling identify homologs of insect chemosensory receptors in unicellular eukaryotes and plants.
    1. Cell Biology
    2. Evolutionary Biology

    A flagellate-to-amoeboid switch in the closest living relatives of animals

    Thibaut Brunet, Marvin Albert ... Nicole King
    The closest living relatives of animals, the choanoflagellates, switch from a flagellate to an amoeboid phenotype under confinement.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Punctuated evolution and transitional hybrid network in an ancestral cell cycle of fungi

    Edgar M Medina, Jonathan J Turner ... Nicolas E Buchler
    Cell cycle network evolution in a fungal ancestor was punctuated by the arrival of a viral DNA-binding protein that was permanently incorporated into the regulatory network controlling cell cycle entry.
    1. Cell Biology
    2. Evolutionary Biology

    Characterization of TSET, an ancient and widespread membrane trafficking complex

    Jennifer Hirst, Alexander Schlacht ... Margaret S Robinson
    A missing link between the AP complexes and COPI sheds light on the evolution of vesicle coat proteins and trafficking pathways in the earliest eukaryotes.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Dynamics of genomic innovation in the unicellular ancestry of animals

    Xavier Grau-Bové, Guifré Torruella ... Iñaki Ruiz-Trillo
    The foundations of genomic complexity in multicellular animals have deep roots in their unicellular prehistory, both in terms of innovations in gene content, as well as the evolutionary dynamics of genome architecture.
    1. Developmental Biology
    2. Evolutionary Biology

    Complex transcriptional regulation and independent evolution of fungal-like traits in a relative of animals

    Alex de Mendoza, Hiroshi Suga ... Iñaki Ruiz-Trillo
    Functional genomics reveal complex genome regulation during the coenocytic development of the ichthyosporean Creolimax fragrantissima, a protist closely related to animals.
    1. Evolutionary Biology
    2. Genetics and Genomics

    The genetic factors of bilaterian evolution

    Peter Heger, Wen Zheng ... Thomas Wiehe
    Advanced orthology clustering of bilaterian and non-bilaterian sequences identifies 157 bilaterian-specific genes which are linked to key morphological features of this animal group.