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    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Gap junctions composed of connexins 41.8 and 39.4 are essential for colour pattern formation in zebrafish

    Uwe Irion, Hans Georg Frohnhöfer ... Christiane Nüsslein-Volhard
    Melanophores and xanthophores interact via heteromeric gap junctions composed of Connexin 41.8 and Connexin 39.4 to establish the adult pigment pattern in zebrafish.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures of an LRRC8 chimera with native functional properties reveal heptameric assembly

    Hirohide Takahashi, Toshiki Yamada ... Erkan Karakas
    The cryo-electron microscopy structures of an LRRC8C chimera with native channel properties reveal the diverse oligomeric assembly and suggest that lipids may play a role in gating in volume-regulated anion channels.
    1. Cell Biology

    Connexin 43 hemichannels regulate mitochondrial ATP generation, mobilization, and mitochondrial homeostasis against oxidative stress

    Jingruo Zhang, Manuel A Riquelme ... Jean X Jiang
    Mitochondrial Cx43 hemichannels regulate ATP generation by mediating K+, H+, and ATP transfer across the mitochondrial inner membrane and the interaction with mitochondrial ATP synthase, contributing to maintenance of mitochondrial redox and cell protection under oxidative stress.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Identification of a lipid scrambling domain in ANO6/TMEM16F

    Kuai Yu, Jarred M Whitlock ... H Criss Hartzell
    The amino acids that are necessary for phospholipid scrambling by ANO6/TMEM16F can, via domain swapping, confer scrambling activity to the chloride ion channel ANO1 that normally does not scramble phospholipids.
    1. Cancer Biology
    2. Developmental Biology

    The antimicrobial peptide defensin cooperates with tumour necrosis factor to drive tumour cell death in Drosophila

    Jean-Philippe Parvy, Yachuan Yu ... Julia B Cordero
    Natural activity of the antimicrobial peptide Defensin includes execution of tumour cell death by tumour necrosis factor in Drosophila.
    1. Developmental Biology
    2. Neuroscience

    Electrical synaptic transmission requires a postsynaptic scaffolding protein

    Abagael M Lasseigne, Fabio A Echeverry ... Adam C Miller
    A postsynaptic, intracellular, scaffolding protein is necessary to build neuronal gap junctions, revealing an unanticipated complexity of molecular and functional organization of electrical synapses.
    1. Cancer Biology

    Essential roles of Caspase-3 in facilitating Myc-induced genetic instability and carcinogenesis

    Ian M Cartwright, Xinjian Liu ... Chuan-Yuan Li
    Myc expression is shown to cause sublethal activation of Caspase-3 and downstream endonuclease G, which causes DNA double strand breaks and oncogenic transformation in human cells.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Misfolded proteins bind and activate death receptor 5 to trigger apoptosis during unresolved endoplasmic reticulum stress

    Mable Lam, Scot A Marsters ... Peter Walter
    Death receptor 5 can directly sense misfolded proteins downstream of the endoplasmic reticulum to provide a quality control mechanism that executes apoptosis and prevents further production of misfolded proteins.
    1. Developmental Biology
    2. Neuroscience

    Channel-independent function of UNC-9/Innexin in spatial arrangement of GABAergic synapses in C. elegans

    Ardalan Hendi, Long-Gang Niu ... Kota Mizumoto
    Electrical synapses determine the precise position of chemical synapses in the nervous system.
    1. Neuroscience

    The components of an electrical synapse as revealed by expansion microscopy of a single synaptic contact

    Sandra P Cárdenas-García, Sundas Ijaz, Alberto E Pereda
    Anatomical study reveals a new perspective on the definition of an electrical synapse where, in addition to the communicating role of gap junctions, additional cellular structures might be involved in the support and regulation of these intercellular channels.