April 2017

Research articles

    1. Genes and Chromosomes
    2. Plant Biology

    The MBD7 complex promotes expression of methylated transgenes without significantly altering their methylation status

    Dongming Li et al
    The METHYL-CpG-BINDING DOMAIN 7 (MBD7) complex promotes the activation (rather than repression) of transgenes that undergo DNA methylation and it does so without significantly altering their methylation status, placing this complex downstream of DNA methylation.
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    1. Biochemistry
    2. Cell Biology

    PPP1R15A-mediated dephosphorylation of eIF2α is unaffected by Sephin1 or Guanabenz

    Ana Crespillo-Casado et al
    The notion that the drug-like small molecule Sephin1 protects against protein misfolding by selectively disrupting a cellular phosphatase is refuted.
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    1. Genomics and Evolutionary Biology
    2. Microbiology and Infectious Disease

    Host-selected mutations converging on a global regulator drive an adaptive leap towards symbiosis in bacteria

    M Sabrina Pankey et al
    Selective forces imposed by the squid animal host drive rapid adaptation of non-native Vibrio fischeri bacteria through convergent mutations of large effect, unmasking preexisting coordinated regulation of symbiosis.
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    1. Immunology

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

    Katherine M Buckley et al
    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.
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    1. Neuroscience

    A map of abstract relational knowledge in the human hippocampal–entorhinal cortex

    Mona M Garvert et al
    Map-like organisations of relational knowledge can be extracted from the hippocampal-entorhinal system in situations where relationships are non-spatial rather than spatial, discrete rather than continuous, and unavailable to conscious awareness.
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    1. Biophysics and Structural Biology

    Changes in the free-energy landscape of p38α MAP kinase through its canonical activation and binding events as studied by enhanced molecular dynamics simulations

    Antonija Kuzmanic et al
    Extensive molecular dynamics simulations enhanced by advanced sampling techniques give a detailed view of p38α canonical activation mechanism, which reveals novel key electrostatic interactions that are put in context of existing experimental data.
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    1. Biophysics and Structural Biology
    2. Neuroscience

    Molecular mechanism of voltage-dependent potentiation of KCNH potassium channels

    Gucan Dai, William N Zagotta
    A powerful new fluorescence approach elucidates the structural mechanism for a specialized ion channel behavior important for cardiac and neuronal excitability.
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    1. Genomics and Evolutionary Biology
    2. Neuroscience

    Variation in olfactory neuron repertoires is genetically controlled and environmentally modulated

    Ximena Ibarra-Soria et al
    The neuronal composition of a mouse’s nose is individually unique due to a combination of olfactory experience and genetic variation local to olfactory receptor genes.
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    1. Biochemistry
    2. Cell Biology

    Dual interaction of scaffold protein Tim44 of mitochondrial import motor with channel-forming translocase subunit Tim23

    See-Yeun Ting et al
    The motor that drives preproteins into the mitochondrial matrix is coupled to the translocase by Tim44, a two-domain scaffold protein with an intrinsically disordered "dynamic arm" and a structurally stable anchoring domain.
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    1. Biochemistry
    2. Cell Biology

    Proteomic mapping of cytosol-facing outer mitochondrial and ER membranes in living human cells by proximity biotinylation

    Victoria Hung et al
    One minute biotinylation with APEX2 peroxidase in living cells identifies established and new components of mitochondrial and ER membranes; dataset intersection and overexpression screen identifies SYNJ2BP overexpression as inducing mitochondria-rough ER contacts.
    Tools and Resources
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    1. Genomics and Evolutionary Biology

    Rapid evolution of the human mutation spectrum

    Kelley Harris, Jonathan K Pritchard
    Heritable mutations tend to occur within different DNA sequence contexts in different human populations, suggesting that DNA replication and repair often change in efficacy over only a few hundred generations of evolution.
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    1. Cell Biology
    2. Neuroscience

    Dual leucine zipper kinase-dependent PERK activation contributes to neuronal degeneration following insult

    Martin Larhammar et al
    Two seemingly distinct cellular stress response pathways that contribute to neurodegeneration after axonal insults are now revealed to be under the control of a single master regulator of the neuronal injury response, the kinase DLK.
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    1. Biophysics and Structural Biology
    2. Neuroscience

    Structural insights into the molecular mechanisms of myasthenia gravis and their therapeutic implications

    Kaori Noridomi et al
    Autoantibodies from myasthenia gravis patients bind a common core region on the nicotinic acetylcholine receptor through a largely conserved mechanism.
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    1. Genes and Chromosomes
    2. Microbiology and Infectious Disease

    sRNA-mediated activation of gene expression by inhibition of 5'-3’ exonucleolytic mRNA degradation

    Sylvain Durand et al
    Small regulatory RNAs are able to modulate mRNA degradation rates by controlling access to the 5' end of mRNAs in bacteria.
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    1. Genomics and Evolutionary Biology
    2. Microbiology and Infectious Disease

    Insight into the evolution of microbial metabolism from the deep-branching bacterium, Thermovibrio ammonificans

    Donato Giovannelli et al
    The genome of Thermovibrio ammonificans encodes ancestral pathways (e.g., hydrogen oxidation) and more recently acquired ones (e.g., nitrate reduction) and a hybrid pathway for CO2 fixation.
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    1. Cell Biology
    2. Neuroscience

    Presynaptic morphology and vesicular composition determine vesicle dynamics in mouse central synapses

    Laurent Guillaud et al
    In central synapses, the mobility and supply of synaptic vesicles are determined by two independent biological factors: the morphological and structural organization of nerve terminals and the molecular signature of vesicles.
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    1. Biochemistry
    2. Biophysics and Structural Biology

    Structure of Fam20A reveals a pseudokinase featuring a unique disulfide pattern and inverted ATP-binding

    Jixin Cui et al
    Fam20A, a pseudokinase involved in the formation of tooth enamel, binds ATP in an unexpected orientation.
    Research Advance
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    1. Biophysics and Structural Biology

    Single-molecule visualization of fast polymerase turnover in the bacterial replisome

    Jacob S Lewis et al
    The canonical model that the bacterial replisome tightly holds on to its polymerases is challenged by the visualization of rapid holoenzyme exchange, both in vitro and in vivo.
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    1. Biochemistry
    2. Cell Biology

    Phosphorylation of iRhom2 at the plasma membrane controls mammalian TACE-dependent inflammatory and growth factor signalling

    Adam Graham Grieve et al
    The iRhom2 protein, a catalytically inactive relative of rhomboid proteases, controls inflammation and growth factor signalling by acting as an essential multifunctional regulatory subunit of the cell surface shedding protease TACE (ADAM17).
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    1. Biophysics and Structural Biology
    2. Computational and Systems Biology

    Probing protein flexibility reveals a mechanism for selective promiscuity

    Nicolas A Pabon, Carlos J Camacho
    Conserved contacts on cognate ligands trigger an induced fit pathway that confers selective promiscuity to PD-1, a flexible regulatory protein and promising anticancer target.
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    1. Neuroscience

    The comprehensive connectome of a neural substrate for ‘ON’ motion detection in Drosophila

    Shin-ya Takemura et al.
    Connectomic analysis identifies the complex circuits of a visual motion-sensing neuron that qualify them to generate direction-selective motion sensing signals using both Hassenstein-Reichardt and Barlow-Levick models.
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    1. Biophysics and Structural Biology

    Dissection of the interaction between the intrinsically disordered YAP protein and the transcription factor TEAD

    Yannick Mesrouze et al
    A structure-function analysis of the YAP:TEAD interaction permits a thermodynamic mapping of this interface.
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    1. Biochemistry
    2. Microbiology and Infectious Disease

    Switching of metabolic programs in response to light availability is an essential function of the cyanobacterial circadian output pathway

    Anna M Puszynska, Erin K O'Shea
    The circadian clock of Synechococcus elongatus PCC7942 schedules the activity of the transcription factor RpaA, which controls key events in carbon metabolism that contribute to cell fitness in conditions mimicking the natural environment.
    Short Report
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    1. Biochemistry
    2. Cell Biology

    Ezrin activation by LOK phosphorylation involves a PIP2-dependent wedge mechanism

    Thaher Pelaseyed et al
    Phosphorylation of ezrin involves an unusual mechanism requiring coincident binding to PIP2 and involvement of the non-catalytic domain to gain access to the phosphorylation site thereby restricting selective phosphorylation to the plasma membrane.
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    1. Cancer Biology

    Combined ALK and MDM2 inhibition increases antitumor activity and overcomes resistance in human ALK mutant neuroblastoma cell lines and xenograft models

    Hui Qin Wang et al
    The combination of ceritinib with CGM097 demonstrates remarkable antitumor activity in TP53 wild-type neuroblastoma models with ALK aberrations and is able to overcome the resistance acquired during ceritinib treatment.
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    1. Neuroscience

    How spatial release from masking may fail to function in a highly directional auditory system

    Norman Lee, Andrew C Mason
    The auditory periphery of Ormia ochracea does not allow for spatial release from masking.
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    1. Cell Biology
    2. Immunology

    TAPBPR bridges UDP-glucose:glycoprotein glucosyltransferase 1 onto MHC class I to provide quality control in the antigen presentation pathway

    Andreas Neerincx et al
    The recently discovered peptide editor TAPBPR binds to UDP-glucose:glycoprotein glucosyltransferase 1 to provide quality control in the antigen presentation pathway by facilitating the reglucosylation of the glycan on MHC class I molecules.
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    1. Cancer Biology
    2. Developmental Biology and Stem Cells

    Loss of Dnmt3a and Dnmt3b does not affect epidermal homeostasis but promotes squamous transformation through PPAR-γ

    Lorenzo Rinaldi et al
    Dnmt3a and Dnmt3b are dispensable for epidermal homeostasis but act as potent tumor suppressors regarding skin squamous tumorigenesis.
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    1. Cancer Biology
    2. Microbiology and Infectious Disease

    Epstein-Barr virus ensures B cell survival by uniquely modulating apoptosis at early and late times after infection

    Alexander M Price et al
    Epstein-Barr virus hijacks host anti-apoptotic machinery to ensure survival during latent infection.
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    1. Developmental Biology and Stem Cells
    2. Genes and Chromosomes

    Competition between histone and transcription factor binding regulates the onset of transcription in zebrafish embryos

    Shai R Joseph et al
    The relative levels of histones and transcription factors in the nucleus determine transcriptional output in zebrafish embryos.
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    1. Neuroscience

    Coordinated control of terminal differentiation and restriction of cellular plasticity

    Tulsi Patel, Oliver Hobert
    Transcription factors that specify the identity of individual neuron types via activating terminal differentiation gene batteries also restrict cellular plasticity via altering the chromatin landscape.
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    1. Neuroscience

    Synaptic input sequence discrimination on behavioral timescales mediated by reaction-diffusion chemistry in dendrites

    Upinder Singh Bhalla
    The powerful computational operation of sequence recognition on behavioral timescales of approximately 1 s may emerge from synaptic activity-triggered build-up of biochemical waves in short 20 micron zones on dendrites.
    Research Article
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    1. Plant Biology

    Arabidopsis 14-3-3 epsilon members contribute to polarity of PIN auxin carrier and auxin transport-related development

    Jutta Keicher et al
    Conditional genetic inactivation of a highly conserved, ancestral subgroup of 14-3-3 proteins in Arabidopsis thaliana reveals fundamental roles in auxin transport-dependent plant development and post-Golgi trafficking processes.
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    1. Biophysics and Structural Biology
    2. Developmental Biology and Stem Cells

    Axon tension regulates fasciculation/defasciculation through the control of axon shaft zippering

    Daniel Šmít et al
    Competition between adhesive and tensile forces regulates axon fasciculation, thus introducing a new role of mechanical tension in the development of neural networks.
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    1. Developmental Biology and Stem Cells
    2. Genomics and Evolutionary Biology

    Collagen IV and basement membrane at the evolutionary dawn of metazoan tissues

    Aaron L Fidler et al
    Collagen IV is a primordial extracellular matrix component associated with the transition to animal multicellularity, and enabled the formation and evolution of epithelial tissues.
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    1. Computational and Systems Biology
    2. Neuroscience

    Dynamic range adaptation in primary motor cortical populations

    Robert G Rasmussen et al
    Motor neurons adjust their sensitivity to direction of movement in a manner analogous to how neurons in the visual system adjust their sensitivity to light.
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    1. Neuroscience

    Sequential sensory and decision processing in posterior parietal cortex

    Guilhem Ibos, David J Freedman
    Comparison of feature encoding and top-down cognitive signals gives insight into the role of parietal cortex in mediating decision making.
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    1. Cell Biology
    2. Computational and Systems Biology

    Nonlinear feedback drives homeostatic plasticity in H2O2 stress response

    Youlian Goulev et al
    Nonlinear H2O2 scavenging by peroxiredoxins drives acquired stress resistance and replicative lifespan hormesis.
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    1. Cell Biology
    2. Human Biology and Medicine

    Human biallelic MFN2 mutations induce mitochondrial dysfunction, upper body adipose hyperplasia, and suppression of leptin expression

    Nuno Rocha et al
    Specific human mitofusin 2 mutations induce selective upper body obesity with suppressed leptin expression and severe adipose mitochondrial dysfunction.
    Research Article
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    1. Biochemistry
    2. Cell Biology

    Continuous transport of a small fraction of plasma membrane cholesterol to endoplasmic reticulum regulates total cellular cholesterol

    Rodney Elwood Infante, Arun Radhakrishnan
    A post-lysosomal cholesterol transport inhibitor reveals how the endoplasmic reticulum membrane regulates total cellular cholesterol by constantly monitoring a critical pool of cholesterol in the plasma membrane.
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    1. Developmental Biology and Stem Cells

    Oriented clonal cell dynamics enables accurate growth and shaping of vertebrate cartilage

    Marketa Kaucka et al
    The clonal oriented cell dynamics enables directional expansion and accurate scaling of sheet-like or rod-like cartilaginous elements and uncouples the mechanisms of elongation from thickness or diameter control.
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    1. Developmental Biology and Stem Cells
    2. Neuroscience

    Regulation of mitochondria-dynactin interaction and mitochondrial retrograde transport in axons

    Catherine M Drerup et al
    Actr10, a dynactin pointed end protein, is essential for mitochondrial interaction with the dynein-dynactin retrograde motor and subsequent transport.
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    1. Neuroscience

    Monitoring ATP dynamics in electrically active white matter tracts

    Andrea Trevisiol et al
    ATP imaging of spiking optic nerve axons in real time reveals correlation between ATP levels and electrical activity as well as contribution of lactate metabolism to axonal ATP homeostasis.
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    1. Cell Biology

    Centriolar remodeling underlies basal body maturation during ciliogenesis in Caenorhabditis elegans

    Inna V Nechipurenko et al
    Building on previous work (Doroquez et al., 2014), it is shown that the centriole core of the basal body degenerates, but the outer wall remodels to template the ciliary axoneme in a subset of C. elegans ciliated sensory neurons.
    Research Advance
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    1. Developmental Biology and Stem Cells
    2. Genomics and Evolutionary Biology

    Evolutionary changes in transcription factor coding sequence quantitatively alter sensory organ development and function

    Simon Weinberger et al
    The coding sequences of a very highly conserved family of neurogenic transcription factors from different species have evolved to generate proteins that have different life times causing them to display quantitatively different neural induction potentials.
    Research Article
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    1. Biochemistry
    2. Cell Biology

    SIRT6 regulates Ras-related protein R-Ras2 by lysine defatty-acylation

    Xiaoyu Zhang et al
    A posttranslational regulatory mechanism for a Ras family small GTPase could open up new directions to understand and control the Ras family of proteins that are important for physiology and diseases.
    Research Article
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    1. Cell Biology

    Lissencephaly-1 is a context-dependent regulator of the human dynein complex

    Janina Baumbach et al
    An in vitro reconstitution approach reveals context-dependent roles of Lissencephaly-1 in the regulation of dynein-dynactin behaviour on dynamic microtubules.
    Research Article
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    1. Developmental Biology and Stem Cells
    2. Neuroscience

    Automated deep-phenotyping of the vertebrate brain

    Amin Allalou et al
    Automated whole-brain analysis of gene expression at cellular resolution detects previously overlooked phenotypes in mutants and reveals parallels between the forebrains of zebrafish and mammals.
    Research Article
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    1. Biophysics and Structural Biology

    The RNF168 paralog RNF169 defines a new class of ubiquitylated histone reader involved in the response to DNA damage

    Julianne Kitevski-LeBlanc et al
    A structural model of the dynamic complex comprising the histone reader RNF169 bound to an ubiquitylated nucleosome core particle reveals a three-pronged binding mechanism, which provides specificity for the recognition of DNA double-strand break sites.
    Research Article
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    1. Neuroscience

    Constitutive activation of kappa opioid receptors at ventral tegmental area inhibitory synapses following acute stress

    Abigail M Polter et al
    Rats exposed to a single stressful event experience days-long constitutive activation of the kappa opioid receptor at inhibitory synapses in part of the brain’s reward system, which increases their drug-seeking behavior.
    Research Article
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    1. Developmental Biology and Stem Cells
    2. Neuroscience

    A novel perivascular cell population in the zebrafish brain

    Marina Venero Galanternik et al
    A new brain perivascular cell type in the zebrafish related to mammalian Fluorescent Granular Perithelial (FGP) cells emerges directly from endothelium during early development.
    Research Article
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    1. Cancer Biology
    2. Genes and Chromosomes

    Functional and mutational landscapes of BRCA1 for homology-directed repair and therapy resistance

    Rachel W Anantha et al
    Systematic analyses of natural variants and artificial mutants establish functional landscapes of BRCA1 for homology-directed repair (HDR) and therapy resistance and identify the BRCA1-PALB2 interaction as a key control point for HDR pathway choice.
    Research Article
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    1. Biochemistry
    2. Biophysics and Structural Biology

    Elucidation of the anti-autophagy mechanism of the Legionella effector RavZ using semisynthetic LC3 proteins

    Aimin Yang et al
    Legionella effector RavZ evades host autophagy by extracting LC3-PE from the membrane before deconjugation.
    Research Article
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    1. Genomics and Evolutionary Biology
    2. Microbiology and Infectious Disease

    Co-option of an endogenous retrovirus envelope for host defense in hominid ancestors

    Daniel Blanco-Melo et al
    The reconstitution of a functional envelope protein from an extinct hominid retrovirus reveals its receptor and an ancient host defense that may have led to the extinction of the virus.
    Research Article
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    1. Biochemistry
    2. Developmental Biology and Stem Cells

    O-GlcNAc on NOTCH1 EGF repeats regulates ligand-induced Notch signaling and vascular development in mammals

    Shogo Sawaguchi et al
    The transfer of O-GlcNAc by EOGT to specific EGF repeats of NOTCH1 promotes DLL4 binding, Notch signaling, and retinal vascular development.
    Research Article
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    1. Computational and Systems Biology

    Engineering of a synthetic quadrastable gene network to approach Waddington landscape and cell fate determination

    Fuqing Wu et al
    A synthetic quadrastable gene network provides a synthetic biology framework to study cell fate determination.
    Research Article
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    1. Neuroscience

    Emergence of transformation-tolerant representations of visual objects in rat lateral extrastriate cortex

    Sina Tafazoli et al
    Neuronal recordings from rat visual cortex reveal an object-processing pathway, along which neuronal representations become increasingly capable of supporting recognition of visual objects in spite of variation in their appearance.
    Research Article
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    1. Neuroscience

    Optical control of pain in vivo with a photoactive mGlu5 receptor negative allosteric modulator

    Joan Font et al
    Localized drug photoactivation provides light-mediated analgesia in behaving mice.
    Research Article
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    1. Developmental Biology and Stem Cells
    2. Genomics and Evolutionary Biology

    Landscape of histone modifications in a sponge reveals the origin of animal cis-regulatory complexity

    Federico Gaiti et al
    The complex chromatin-based genomic regulatory system controlling developmental gene expression in complex bilaterians predates the evolution of morphological complexity and may have been a prerequisite for the evolution of the first simple multicellular animals.
    Research Article
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    1. Cancer Biology
    2. Developmental Biology and Stem Cells

    A metabolic switch controls intestinal differentiation downstream of Adenomatous polyposis coli (APC)

    Imelda T Sandoval et al
    The tumor suppressor APC regulates a metabolic program that drives normal intestinal differentiation in zebrafish.
    Research Article
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    1. Biophysics and Structural Biology
    2. Computational and Systems Biology

    Emergence and evolution of an interaction between intrinsically disordered proteins

    Greta Hultqvist et al
    The resurrection of ancient ancestral intrinsically disordered proteins reveals the evolution of a protein-protein interaction in molecular detail.
    Research Article
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    1. Cell Biology
    2. Developmental Biology and Stem Cells

    A nanobody-based toolset to investigate the role of protein localization and dispersal in Drosophila

    Stefan Harmansa et al
    Functionalized protein binders, anchored to specific regions along the cell cortex, provide a novel approach to directly modify protein localization and dispersal in vivo.
    Tools and Resources
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    1. Cell Biology

    AMPK and vacuole-associated Atg14p orchestrate μ-lipophagy for energy production and long-term survival under glucose starvation

    Arnold Y Seo et al
    Upon AMPK activation by acute glucose restriction, Atg14p shifts its distribution from ER exit sites to liquid-ordered membrane domains on the vacuolar surface where, together with Atg6p, it facilitates LD-specific autophagy (i.e., microautophagy of lipid droplets) for energy production and long-term survival of starved cells.
    Research Article
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    1. Neuroscience

    Roundabout receptor 2 maintains inhibitory control of the adult midbrain

    Bryan B Gore et al
    The developmental axon guidance receptor roundabout 2 maintains inhibitory synaptic connectivity in the adult brain; demonstrating continued essential function of this receptor in regulating synaptic function in the CNS.
    Research Article
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    1. Neuroscience

    Steroid hormone induction of temporal gene expression in Drosophila brain neuroblasts generates neuronal and glial diversity

    Mubarak Hussain Syed et al
    A steroid hormone acts directly on brain neural progenitors to coordinately alter gene expression and specify neuronal and glial cell types.
    Research Article
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    1. Developmental Biology and Stem Cells
    2. Genes and Chromosomes

    EED orchestration of heart maturation through interaction with HDACs is H3K27me3-independent

    Shanshan Ai et al
    During heart maturation, embryonic ectoderm development as a chromatin remodeler triggers transcriptional silencing, while H3K27me3 is a passenger that is not sufficient for gene silencing.
    Research Article
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    1. Biochemistry
    2. Biophysics and Structural Biology

    Structure of a AAA+ unfoldase in the process of unfolding substrate

    Zev A Ripstein et al
    The structure of a substrate-engaged AAA+ unfoldase suggests a model for processive unfolding that is supported by biochemical data.
    Research Article
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    1. Developmental Biology and Stem Cells

    Evolution of the hypoxia-sensitive cells involved in amniote respiratory reflexes

    Dorit Hockman et al
    Embryonic fate-mapping approaches in zebrafish, Xenopus and lamprey illuminate the evolutionary origins of carotid body glomus cells and pulmonary neuroendocrine cells.
    Research Article
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    1. Biochemistry
    2. Cell Biology

    Unfair competition governs the interaction of pCPI-17 with myosin phosphatase (PP1-MYPT1)

    Joshua J Filter et al
    Unfair competition, in which a phosphatase and a phosphoprotein inhibitor/substrate mutually sequester each other from competing substrates and enzymes, is a conserved mechanism for the control of PPP family phosphatases.
    Research Article
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    1. Developmental Biology and Stem Cells
    2. Genomics and Evolutionary Biology

    Domestic chickens activate a piRNA defense against avian leukosis virus

    Yu Huining Sun et al
    To protect the germ line genome, chickens acquire new small RNA-based immune defense in response to recently endogenized retroviruses by turning a truncated provirus into a weapon.
    Research Article
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    1. Immunology
    2. Microbiology and Infectious Disease

    Global analysis of gene expression reveals mRNA superinduction is required for the inducible immune response to a bacterial pathogen

    Kevin C Barry et al
    Infected cells superinduce expression of mRNA in order to initiate an immune response to a bacterial pathogen that blocks host protein synthesis.
    Research Article
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    1. Neuroscience

    Purinergic regulation of vascular tone in the retrotrapezoid nucleus is specialized to support the drive to breathe

    Virginia E Hawkins et al
    CO2/H+-dependent purinergic signaling by astrocytes provides specialized control of vascular tone in a brainstem respiratory center in a manner that contributes to respiratory behavior.
    Research Article
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    1. Neuroscience

    Dynamic modulation of decision biases by brainstem arousal systems

    Jan Willem de Gee et al
    Rapid increases in the brain’s level of alertness, or arousal, contribute to variability in decision making by reducing existing biases.
    Research Article
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    1. Neuroscience

    Complementary codes for odor identity and intensity in olfactory cortex

    Kevin A Bolding, Kevin M Franks
    Different features of an odor can be represented in mouse olfactory cortex using the particular ensemble of responsive neurons to represent odor identity and the synchrony of the ensemble activity to represent odor intensity.
    Research Article
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    1. Biochemistry
    2. Biophysics and Structural Biology

    La-related protein 1 (LARP1) binds the mRNA cap, blocking eIF4F assembly on TOP mRNAs

    Roni M Lahr et al
    La-related protein 1 specifically and directly binds the 5' cap and first nucleotide of mRNAs encoding ribosomal proteins and translation factors, inhibiting the assembly of translation initiation factors on these messages and therefore their translation.
    Research Article
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    1. Biochemistry
    2. Biophysics and Structural Biology

    Structural basis of protein translocation by the Vps4-Vta1 AAA ATPase

    Nicole Monroe et al
    A cryo-electron microscopy structure of a substrate-bound Vps4-Vta1 AAA ATPase reveals an asymmetric hexameric ring and suggests how nucleotide-induced changes in subunit interfaces translocate polypeptides into the central pore.
    Research Article
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    1. Neuroscience

    A causal relationship between face-patch activity and face-detection behavior

    Srivatsun Sadagopan et al
    Disrupting the activity of the medial lateral face patch (ML) using fMRI-targeted microinjections of muscimol leads to anatomically and categorically specific impairments in a naturalistic face detection task.
    Short Report
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    1. Neuroscience

    Rules and mechanisms for efficient two-stage learning in neural circuits

    Tiberiu Teşileanu et al
    Teaching signals from "tutor" brain areas should be adapted to the plasticity mechanisms in "student" areas to achieve efficient learning in two-stage systems such as the vocal control circuit of the songbird.
    Research Article
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    1. Ecology
    2. Microbiology and Infectious Disease

    Subcellular tracking reveals the location of dimethylsulfoniopropionate in microalgae and visualises its uptake by marine bacteria

    Jean-Baptiste Raina et al
    The intracellular location of a key sulfur compound, dimethylsulfoniopropionate, was identified in microalgae and its subsequent uptake by marine bacteria was quantified using a combination of secondary-ion mass-spectrometry techniques.
    Short Report
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    1. Cell Biology
    2. Developmental Biology and Stem Cells

    Concerted action of neuroepithelial basal shrinkage and active epithelial migration ensures efficient optic cup morphogenesis

    Jaydeep Sidhaye, Caren Norden
    Cellular and tissue level analysis reveals how different cell behaviors involving dynamics of the basal domain cooperate in space and time to shape an epithelial organ.
    Research Article
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    1. Neuroscience

    Somatostatin-positive interneurons in the dentate gyrus of mice provide local- and long-range septal synaptic inhibition

    Mei Yuan et al
    Somatostatin-expressing interneurons of the rodent dentate gyrus fall into at least two functionally distinct interneuron types with different synaptic integrations into the local dentate gyrus and the more distant medial septum neuronal network.
    Research Article
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