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    1. Computational and Systems Biology
    2. Developmental Biology

    Systems biology derived source-sink mechanism of BMP gradient formation

    Joseph Zinski et al.
    Embryo-wide quantitative analysis of BMP signaling in zebrafish embryos, combined with a mathematical model-based computational screen, challenges the prevailing model of an antagonist counter-gradient shaping the gastrula BMP morphogen gradient and supports an antagonist sink with BMP diffusion mechanism.
    1. Cell Biology
    2. Developmental Biology

    Dpp from the anterior stripe of cells is crucial for the growth of the Drosophila wing disc

    Shinya Matsuda, Markus Affolter
    A recent report proposing that the dpp stripe (the main source of the protein dpp) is dispensable for Drosophila wing disc growth missed the critical role on growth due to imprecise spatial removal of dpp.
    1. Developmental Biology

    Gli3 utilizes Hand2 to synergistically regulate tissue-specific transcriptional networks

    Kelsey H Elliott et al.
    Context-dependent optimization of Gli-binding site occupancy, in the presence of Hand2, is critical for modulating tissue-specific transcriptional output within tissues that lack an obvious Hedgehog morphogen gradient.
    1. Cell Biology
    2. Developmental Biology

    Optogenetic investigation of BMP target gene expression diversity

    Katherine W Rogers et al.
    Optogenetic manipulation of BMP signaling indicates that diversity in BMP-dependent gene expression is not well explained by differential responses to BMP, and combinatorial signaling is a major driver of diversity.
    1. Developmental Biology

    The Wg and Dpp morphogens regulate gene expression by modulating the frequency of transcriptional bursts

    Rachael Bakker et al.
    Experimental results in Drosophila support a model in which gene expression is fundamentally controlled by morphogens tuning the same transcription parameter for genes that are expressed in highly diverse patterns.
    1. Developmental Biology
    2. Neuroscience

    BMPs direct sensory interneuron identity in the developing spinal cord using signal-specific not morphogenic activities

    Madeline G Andrews et al.
    Members of the BMP family of growth factors act as a reiterative code of distinct activities to direct the identities of different classes of sensory neurons in the spinal cord.
    1. Cell Biology
    2. Developmental Biology

    Pentagone internalises glypicans to fine-tune multiple signalling pathways

    Mark Norman et al.
    Glypican proteins, required for morphogen signalling in Drosophila wing development, are endocytosed and degraded by the feedback regulator Pentagone.
    1. Developmental Biology

    Decoding temporal interpretation of the morphogen Bicoid in the early Drosophila embryo

    Anqi Huang et al.
    Cell fates endowed by higher Bicoid concentration require input for longer duration, demonstrating a temporally non-linear morphogen-mediated pattern formation.
    1. Physics of Living Systems

    Diffusion vs. direct transport in the precision of morphogen readout

    Sean Fancher, Andrew Mugler
    A theory predicts whether diffusion or direct transport establishes a more precise morphogen profile, and this prediction explains data from a wide variety of morphogens in two different organisms.
    1. Cell Biology
    2. Developmental Biology

    Dpp controls growth and patterning in Drosophila wing precursors through distinct modes of action

    Pablo Sanchez Bosch et al.
    Striped expression of Dpp in Drosophila wing precursors leads to graded signalling activity that positions wing veins and, in parallel, promotes growth in a gradient-independent manner by supplying signalling activity above a threshold.