3 results found
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    A recurrent regulatory change underlying altered expression and Wnt response of the stickleback armor plates gene EDA

    Natasha M O'Brown et al.
    An identical DNA base pair change has occurred in divergent sticklebacks to alter the expression of a major developmental gene controlling armor plates, thus providing a molecular link between particular enhancer changes, cell signaling, and repeated skeletal evolution in natural populations.
    1. Cell Biology
    2. Developmental Biology

    Hair follicle dermal condensation forms via Fgf20 primed cell cycle exit, cell motility, and aggregation

    Leah C Biggs et al.
    The hair follicle dermal condensate is populated via migration, and the cells exhibit early changes in cell shape and cell cycle status; Fgf20 primes these cellular and molecular events.
    1. Developmental Biology
    2. Evolutionary Biology

    Wnt/β-catenin regulates an ancient signaling network during zebrafish scale development

    Andrew J Aman et al.
    Zebrafish scales depend on interactions among Wnt, Ectodysplasin and Hedgehog signaling pathways similar to those underlying feathers, teeth and hair follicles, suggesting a deep homology of ectodermal appendages in vertebrates.

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