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    1. Developmental Biology

    Meru couples planar cell polarity with apical-basal polarity during asymmetric cell division

    Jennifer J Banerjee et al.
    Meru is a factor that provides tissue-specific information to the core polarity machinery by linking planar to apical-basal polarity in asymmetrically dividing sensory organ precursors.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Planar cell polarity-mediated induction of neural stem cell expansion during axolotl spinal cord regeneration

    Aida Rodrigo Albors et al.
    During axolotl spinal cord regeneration adult neural stem cells reactivate an embryonic neuroepithelial cell-like gene program that implements planar cell polarity to orient cell divisions, coupling polarized spinal cord growth with stem cell self-renewal.
    1. Stem Cells and Regenerative Medicine

    Conserved functional antagonism of CELF and MBNL proteins controls stem cell-specific alternative splicing in planarians

    Jordi Solana et al.
    A conserved alternative splicing program is specific to planarian stem cells and is controlled by the highly conserved splicing factors CELF and MBNL; therefore, this mode of regulating stem cells is likely ancestral to all animals.
    1. Neuroscience

    Sonic Hedgehog switches on Wnt/planar cell polarity signaling in commissural axon growth cones by reducing levels of Shisa2

    Keisuke Onishi, Yimin Zou
    Sonic Hedgehog signaling may temporally and spatially activate planar cell polarity signaling for cellular and tissue morphogenesis.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Light-induced depigmentation in planarians models the pathophysiology of acute porphyrias

    Bradford M Stubenhaus et al.
    Physiological porphyrin biosynthesis causes photosensitivity in fasted planarians, providing an experimentally tractable animal model of acute porphyrias.
    1. Developmental Biology

    Two FGFRL-Wnt circuits organize the planarian anteroposterior axis

    M Lucila Scimone et al.
    Single-cell RNA sequencing identifies an adult regional gene expression map in planarian muscle that includes two FGFRL-Wnt circuits controlling head and trunk tissue pattern.
    1. Stem Cells and Regenerative Medicine

    Cystic Kidney Disease: Planarian ‘kidneys’ go with the flow

    Melanie Issigonis, Phillip A Newmark
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    1. Cell Biology
    2. Developmental Biology

    Planar cell polarity signaling coordinates oriented cell division and cell rearrangement in clonally expanding growth plate cartilage

    Yuwei Li et al.
    Through the interaction between PCP signaling and N-cadherin, oriented cell division and cell rearrangement are coordinated to establish the appropriate tissue architecture critical for limb skeletal morphogenesis.
    1. Stem Cells and Regenerative Medicine

    Selective amputation of the pharynx identifies a FoxA-dependent regeneration program in planaria

    Carolyn E Adler et al.
    A chemical method has been developed for studying single organ regeneration and fate specification of stem cells in an adult organism.
    1. Stem Cells and Regenerative Medicine

    Wnt, Ptk7, and FGFRL expression gradients control trunk positional identity in planarian regeneration

    Rachel Lander, Christian P Petersen
    Signaling molecules expressed in overlapping body-wide transcriptional gradients determine central axis positional identity in whole-body regeneration.