415 results found
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    The neuropeptide F/nitric oxide pathway is essential for shaping locomotor plasticity underlying locust phase transition

    Li Hou et al.
    Two neuropeptides, NPF1a and NPF2, act via the nitric oxide signaling pathway in the locust brain to regulate the trait transition between solitary and swarming behavior.
    1. Cell Biology
    2. Developmental Biology

    Dual roles for ATP in the regulation of phase separated protein aggregates in Xenopus oocyte nucleoli

    Michael H Hayes et al.
    The equilibrium between solubility and aggregation of proteins in the nucleus is controlled by co-aggregates like RNA and the action of ATP as both an energy source and a destabilizing chemical agent.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Motility precedes egress of malaria parasites from oocysts

    Dennis Klug, Friedrich Frischknecht
    A surface protein triggers intra-oocyst motility of Plasmodium sporozoites to ensure parasite egress from oocysts.
    1. Cell Biology
    2. Evolutionary Biology

    The regulation of oocyte maturation and ovulation in the closest sister group of vertebrates

    Shin Matsubara et al.
    Oocyte maturation and ovulation in the sister group of vertebrates, Ciona intestinalis Type A, are triggered by Ci-VP, the Ciona homolog of a typical neruopeptide, vasopressin.
    1. Cancer Biology
    2. Medicine

    Diagnostic potential of tumor DNA from ovarian cyst fluid

    Yuxuan Wang et al.
    Mutations in the DNA of ovarian cyst fluid can inform the need for surgery and indicate the type of neoplastic lesion present.
    1. Developmental Biology

    Identification of PNG kinase substrates uncovers interactions with the translational repressor TRAL in the oocyte-to-embryo transition

    Masatoshi Hara et al.
    The threonine kinase controls maternal mRNA translation phosphorylate components of the translational machinery, including translational repressors, which appear to inactivate to promote the oocyte-to-embryo transition.
    1. Cell Biology
    2. Developmental Biology

    bicoid mRNA localises to the Drosophila oocyte anterior by random Dynein-mediated transport and anchoring

    Vítor Trovisco et al.
    The localisation of bicoid mRNA depends on its microtubule-independent anchoring at the oocyte anterior.
    1. Cell Biology

    A disassembly-driven mechanism explains F-actin-mediated chromosome transport in starfish oocytes

    Philippe Bun et al.
    On entry to meiosis, chromosomes scattered in the large oocyte nucleus of starfish are collected by an F-actin network, which contracts by an unexpected, myosin-independent mechanism based on local assembly and global disassembly of actin filaments.
    1. Developmental Biology

    Prolonged ovarian storage of mature Drosophila oocytes dramatically increases meiotic spindle instability

    Ethan J Greenblatt et al.
    Meiotic chromosome segregation in mature Drosophila oocytes is sensitive to prolonged quiescence, suggesting that human oocyte instability may result from storage of mature rather than primordial oocytes and be modifiable.
    1. Developmental Biology

    A gonad-expressed opsin mediates light-induced spawning in the jellyfish Clytia

    Gonzalo Quiroga Artigas et al.
    Gamete release in the jellyfish Clytia is mediated by an opsin photopigment expressed in neurosecretory cells of the gonad ectoderm, which release an oocyte maturation hormone in response to light.

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