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    1. Cell Biology
    2. Chromosomes and Gene Expression

    Divergent kleisin subunits of cohesin specify mechanisms to tether and release meiotic chromosomes

    Aaron F Severson, Barbara J Meyer
    Mechanisms that tether and release replicated sister chromatids to produce sperm and eggs rely extensively on meiotic cohesin complexes that are endowed with unexpectedly different properties specified by a single interchangeable subunit, the α-kleisin.
    1. Neuroscience

    Presynaptic PTPσ regulates postsynaptic NMDA receptor function through direct adhesion-independent mechanisms

    Kyungdeok Kim et al.
    Presynaptic adhesion molecule PTPσ in the hippocampus regulates postsynaptic NMDA receptor function and behavioral novelty recognition through mechanisms independent of their trans-synaptic binding partners.
    1. Chromosomes and Gene Expression
    2. Structural Biology and Molecular Biophysics

    A conserved filamentous assembly underlies the structure of the meiotic chromosome axis

    Alan MV West et al.
    Meiotic chromosome axis 'core' proteins from fungi, plants, and mammals form a conserved filament architecture, and use a common mechanism to recruit HORMAD proteins for meiotic recombination control.
    1. Genetics and Genomics

    ZCWPW1 is recruited to recombination hotspots by PRDM9 and is essential for meiotic double strand break repair

    Daniel Wells et al.
    ZCWPW1 has co-evolved with PRDM9, in particular the PRDM9-SET domain, and although not involved in PRDM9's role in positioning recombination events, it is required for PRDM9's role in pairing chromosomes.
    1. Chromosomes and Gene Expression

    The kinetochore prevents centromere-proximal crossover recombination during meiosis

    Nadine Vincenten et al.
    The meiotic DNA recombination landscape is locally influenced by the kinetochore to minimize potentially deleterious pericentromeric crossover recombination.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Uniparental nuclear inheritance following bisexual mating in fungi

    Vikas Yadav et al.
    Discovery of a novel mode of sexual reproduction, termed pseudosexual reproduction, in fungi where both parents are required for mating but only one contributes to the meiotic progeny, similar to hybridogenesis in animals.
    1. Cell Biology
    2. Genetics and Genomics

    The histone modification reader ZCWPW1 links histone methylation to PRDM9-induced double-strand break repair

    Tao Huang et al.
    ZCWPW1 is a histone modification reader that localizes to DMC1-labelled double-strand break hotspots in a largely PRDM9-dependent manner, where it facilitates completion of synapsis by mediating DSB repair process.
    1. Cell Biology

    A missense in HSF2BP causing primary ovarian insufficiency affects meiotic recombination by its novel interactor C19ORF57/BRME1

    Natalia Felipe-Medina et al.
    Genetic and biochemical analysis reveal a variant in HSF2BP causing POI and C19ORF57/BRME1 as an interactor and stabilizer of HSF2BP by forming a complex with BRCA2, RAD51, RPA and PALB2.
    1. Cell Biology
    2. Developmental Biology

    SUMO is a pervasive regulator of meiosis

    Nikhil R Bhagwat et al.
    Multi-dimensional global proteomics describes the SUMO-modified proteome during meiosis and reveals novel roles in regulating the key events of meiotic chromosome metabolism.
    1. Cell Biology
    2. Developmental Biology

    Mitochondrial fusion is required for spermatogonial differentiation and meiosis

    Grigor Varuzhanyan et al.
    Mitochondrial fusion enables a metabolic transition during spermatogenesis.