3,275 results found
    1. Neuroscience

    Numerical magnitude, rather than individual bias, explains spatial numerical association in newborn chicks

    Rosa Rugani et al.
    Spatial numerical association in three-day-old domestic chicks linearly decreases as numerical magnitude increases (2>5>8), supporting the hypothesis that numerical magnitude guides the spatial numerical association.
    1. Developmental Biology
    2. Evolutionary Biology

    Domestic chickens activate a piRNA defense against avian leukosis virus

    Yu Huining Sun et al.
    To protect the germ line genome, chickens acquire new small RNA-based immune defense in response to recently endogenized retroviruses by turning a truncated provirus into a weapon.
    1. Developmental Biology

    Detailed analysis of chick optic fissure closure reveals Netrin-1 as an essential mediator of epithelial fusion

    Holly Hardy et al.
    Chick optic fissure closure is a powerful new model system for epithelial fusion and has revealed Netrin-1 as a conserved and essential mediator of tissue fusion in multiple contexts.
    1. Neuroscience

    A cell atlas of the chick retina based on single-cell transcriptomics

    Masahito Yamagata et al.
    A molecular atlas of the chick retina provides a comprehensive classification and characterization of 136 cell types, yielding novel insights into retinal structure, function, development, and evolution.
    1. Developmental Biology
    2. Genetics and Genomics

    Zygotic gene activation in the chicken occurs in two waves, the first involving only maternally derived genes

    Young Sun Hwang et al.
    In Aves, the first wave of transcription is derived exclusively from the maternal genome.
    1. Developmental Biology

    An autoregulatory cell cycle timer integrates growth and specification in chick wing digit development

    Joseph Pickering et al.
    A cell cycle timing mechanism similar to one operating in cultured adult oligodendrocyte progenitor cells controls the growth and patterning of the embryonic chick wing bud.
    1. Developmental Biology

    Bimodal function of chromatin remodeler Hmga1 in neural crest induction and Wnt-dependent emigration

    Shashank Gandhi et al.
    Chromatin remodeler Hmga1 has two separable functions in neural crest development, first neural crest specification at the neural plate border and later in Wnt-dependent emigration from the neural tube.
    1. Immunology and Inflammation

    Expression levels of MHC class I molecules are inversely correlated with promiscuity of peptide binding

    Paul E Chappell et al.
    The number of different peptides presented by major histocompatibility complex class I molecules to the immune system's T lymphocytes is inversely correlated with cell surface expression and is strongly associated with the response to infectious disease.
    1. Developmental Biology

    Hox genes control vertebrate body elongation by collinear Wnt repression

    Nicolas Denans et al.
    The collinear activation of a subset of posterior Hox genes is responsible for establishing a Wnt/T activity gradient that is required to generate the complete body axis, and hence the full set of segments within a vertebrate embryo.
    1. Developmental Biology
    2. Neuroscience

    USP5/Leon deubiquitinase confines postsynaptic growth by maintaining ubiquitin homeostasis through Ubiquilin

    Chien-Hsiang Wang et al.
    Maintenance of ubiquitin homeostasis is essential for proper control of the size of postsynaptic density and the growth of specialized membrane structure.

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