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    1. Neuroscience

    A neural circuit mechanism for regulating vocal variability during song learning in zebra finches

    Jonathan Garst-Orozco et al.
    By demonstrating song learning-related synaptic strengthening and pruning in the vocal control circuits of songbirds, and showing how such changes can reduce the sensitivity of the circuit to ‘noisy’ inputs, a simple neural circuit mechanism for regulating motor variability during motor skill learning is identified.
    1. Cell Biology

    dPob/EMC is essential for biosynthesis of rhodopsin and other multi-pass membrane proteins in Drosophila photoreceptors

    Takunori Satoh et al.
    A membrane protein complex in the endoplasmic reticulum is a key factor for the biogenesis of multi-pass transmembrane proteins, including Rh1, and its loss causes retinal degeneration.
    1. Neuroscience

    Distinct effects of prefrontal and parietal cortex inactivations on an accumulation of evidence task in the rat

    Jeffrey C Erlich et al.
    Quantitative modeling of inactivations shows the prefrontal cortex (but not parietal cortex) of the rat is obligatory for decisions guided by evidence accumulating longer than 240 ms.
    1. Developmental Biology

    Dynamic filopodia are required for chemokine-dependent intracellular polarization during guided cell migration in vivo

    Dana Meyen et al.
    Functional analysis of filopodia by specific interference with their formation and distribution reveals a critical role in conferring intracellular polarity and in controlling the dynamic properties of chemokine-guided cell migration in vivo.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Whole genome comparison of a large collection of mycobacteriophages reveals a continuum of phage genetic diversity

    Welkin H Pope et al.
    A continuum of genome relationships is discovered through comparative genomics of 627 sequenced mycobacteriophages isolated and characterized in an integrated research/education initiative.
    1. Structural Biology and Molecular Biophysics

    Bovine F1Fo ATP synthase monomers bend the lipid bilayer in 2D membrane crystals

    Chimari Jiko et al.
    The transmembrane shape of the F1Fo ATP synthase monomer provides the molecular basis of high curvature at the ridges of mammalian mitochondrial cristae.
    1. Developmental Biology
    2. Neuroscience

    Cochlear progenitor number is controlled through mesenchymal FGF receptor signaling

    Sung-Ho Huh et al.
    Otic epithelial Fibroblast Growth Factors control the number of cochlear sensory progenitor cells through an FGF responsive periotic mesenchyme.
    1. Neuroscience

    Acoustic duetting in Drosophila virilis relies on the integration of auditory and tactile signals

    Kelly M LaRue et al.
    Quantitative behavioral assays and modeling show that acoustic duetting in Drosophila during courtship relies on the detection of precisely timed cues via multiple sensory channels.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    The Caenorhabditis elegans protein SAS-5 forms large oligomeric assemblies critical for centriole formation

    Kacper B Rogala et al.
    SAS-5 forms oligomers, through a trimeric coiled coil and novel dimeric domain, that are necessary for centriolar localisation of SAS-5 and for centriole duplication.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Structural evidence for Scc4-dependent localization of cohesin loading

    Stephen M Hinshaw et al.
    Cohesin loading at centromeres depends on a conserved surface cluster of amino-acid residues on the cohesin loading protein, Scc4.