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    1. Neuroscience

    The zebrafish mutant dreammist implicates sodium homeostasis in sleep regulation

    Ida L Barlow, Eirinn Mackay ... Jason Rihel
    The small, highly conserved transmembrane protein disrupted in zebrafish dreammist mutants regulates the activity of the sodium-potassium pump, leading to changes in sleep behaviour.
    1. Ecology
    2. Evolutionary Biology

    Megafaunal extinctions, not climate change, may explain Holocene genetic diversity declines in Numenius shorebirds

    Hui Zhen Tan, Justin JFJ Jansen ... Frank E Rheindt
    Application of museomics facilitates characterization of the contribution of historical factors to genetic diversity declines in Numenius shorebirds and highlights that extinction of ecosystem-engineering megafauna may have been detrimental for open-landscape species.
    1. Cell Biology

    Two RNA-binding proteins mediate the sorting of miR223 from mitochondria into exosomes

    Liang Ma, Jasleen Singh, Randy Schekman
    Mitochondria serve as a reservoir for the sorting of an miRNA into P-bodies and from there into exosomes secreted from human cultured cells.
    1. Biochemistry and Chemical Biology
    2. Immunology and Inflammation

    p38γ and p38δ modulate innate immune response by regulating MEF2D activation

    Alejandra Escós, Ester Diaz-Mora ... Ana Cuenda
    Generation and validation of a new mouse strain as a tool to demonstrate the implication of p38γ/p38δ in inflammation through the regulation of the transcription factor MEF2D’s activity.
    1. Genetics and Genomics

    Long-range DNA end resection supports homologous recombination by checkpoint activation rather than extensive homology generation

    Michael T Kimble, Matthew J Johnson ... Lorraine S Symington
    The long-range resection machinery is dispensable for homologous recombination between closely linked repeats but is necessary for DNA damage checkpoint activation which is associated with interchromosomal recombination.
    1. Neuroscience

    Medullary tachykinin precursor 1 neurons promote rhythmic breathing

    Jean-Philippe Rousseau, Andreea Furdui ... Gaspard Montandon
    A group of neurons in the medulla expressing the tachykinin precursor 1 promote rhythmic breathing, but also elicit substantial motor behaviors, suggesting a dual role for these neurons in the medulla.
    1. Neuroscience

    Large-scale neural dynamics in a shared low-dimensional state space reflect cognitive and attentional dynamics

    Hayoung Song, Won Mok Shim, Monica D Rosenberg
    People’s neural activity travels between a small number of brain states based on what they are thinking and paying attention to.
    1. Genetics and Genomics

    Sex-specific splicing occurs genome-wide during early Drosophila embryogenesis

    Mukulika Ray, Ashley Mae Conard ... Erica Larschan
    Combining computational and experimental approaches reveals that the loss of a maternal transcription factor influences sex-biased differential splicing in the early zygotic transcriptome at genes that are critical for normal developmental processes.
    1. Neuroscience
    2. Stem Cells and Regenerative Medicine

    Promoting axon regeneration by inhibiting RNA N6-methyladenosine demethylase ALKBH5

    Dong Wang, Tiemei Zheng ... Bin Yu
    Inhibiting RNA N6-methyladenosine demethylase ALKBH5 promoted axonal regeneration of dorsal root ganglion neurons by regulating stability of Lpin2 mRNA and enhanced the survival and axonal regeneration of retinal ganglion cells.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of the connexin-43 gap junction channel in a putative closed state

    Chao Qi, Silvia Acosta Gutierrez ... Volodymyr M Korkhov
    Cryo-EM structures and molecular dynamics simulations of Cx43 gap junction channel and hemichannel reveal a putative closed state.