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    1. Genetics and Genomics

    Downregulation of the tyrosine degradation pathway extends Drosophila lifespan

    Andrey A Parkhitko et al.
    The tyrosine degradation pathway reprogramming connects mitochondrial dysfunction, aging, and production of tyrosine-derived neuromediators that can be targeted with an FDA-approved drug, Tigecycline.
    1. Cell Biology
    2. Developmental Biology

    Osmolarity-independent electrical cues guide rapid response to injury in zebrafish epidermis

    Andrew S Kennard, Julie A Theriot
    Skin cells in zebrafish use sodium chloride-dependent electrical gradients to sense tissue injury and guide migration in the appropriate direction to close the wound.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Inhibition of SARS-CoV-2 viral entry upon blocking N- and O-glycan elaboration

    Qi Yang et al.
    A critical role for glycosylation on viral entry and methods to use this knowledge to reduce SARS-CoV-2 infectivity has been demonstrated.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    The deubiquitylase Ubp15 couples transcription to mRNA export

    Fanny Eyboulet et al.
    Ubp15 regulates the ubiquitylation of the export adaptor Mex67.
    1. Cell Biology
    2. Developmental Biology

    Drosophila hedgehog can act as a morphogen in the absence of regulated Ci processing

    Jamie C Little et al.
    Hedgehog acts as a morphogen by regulating proteolytic processing and activation of full-length Ci/Gli transcriptional effectors but can pattern Drosophila wing discs normally in the absence of regulated proteolytic processing.
    1. Evolutionary Biology

    The birth of a bacterial tRNA gene by large-scale, tandem duplication events

    Gökçe B Ayan et al.
    A bacterial tRNA gene set rapidly evolves, compensating the loss of one tRNA type by large duplication events that increase the gene copy number of a second, different tRNA type.
    1. Chromosomes and Gene Expression
    2. Neuroscience

    Conditional protein tagging methods reveal highly specific subcellular distribution of ion channels in motion-sensing neurons

    Sandra Fendl et al.
    New protein labeling strategies unravel the subcellular distribution of neurotransmitter receptor subunits and voltage-gated ion channels in motion-sensing T4/T5 neurons of the Drosophila visual system.
    1. Developmental Biology

    The Drosophila Individual Activity Monitoring and Detection System (DIAMonDS)

    Ki-Hyeon Seong et al.
    The DIAMonDS can automatically and sequentially identify time points of multiple life cycle events such as pupariation, eclosion, and death in individual flies at high temporal resolution and large scale.
    1. Genetics and Genomics

    Cohesin residency determines chromatin loop patterns

    Lorenzo Costantino et al.
    High-resolution mapping of cohesin-dependent chromatin loops in the genome of budding yeast reveals evolutionarily conserved features for loop formation and cohesin residency as a determinant of loop positioning.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    PRDM9 activity depends on HELLS and promotes local 5-hydroxymethylcytosine enrichment

    Yukiko Imai et al.
    Biochemical and genetic approaches uncover a chromatin remodeler for PRDM9 binding and the parallel local epigenetic modification of cytosines in mouse spermatocytes.