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  • Title: The cytoskeleton and epidermal morphogenesis in C. elegans.
    Author: Ding M, Woo WM, Chisholm AD.
    Journal: Exp Cell Res; 2004 Nov 15; 301(1):84-90. PubMed ID: 15501449.
    Abstract:
    During Caenorhabditis elegans development, the process of epidermal elongation converts the bean-shaped embryo into the long thin shape of the larval worm. Epidermal elongation results from changes in the shape of epidermal cells, which in turn result from changes in the epidermal cytoskeleton, the extracellular matrix, and in cell-matrix adhesion junctions. Here, we review the roles of cytoskeletal filament systems in epidermal cell shape change during elongation. Genetic and cell biological analyses have established that all three major cytoskeletal filament systems (actin microfilaments, microtubules, and intermediate filaments (IFs)) play distinct and essential roles in epidermal cell shape change. Recent work has also highlighted the importance of communication between these systems for their integrated function in epidermal elongation. Epidermal cells undergo reciprocal interactions with underlying muscle cells, which regulate the position and function of IF-containing cell-matrix adhesion structures within the epidermis. Elongation thus exemplifies the reciprocal tissue interactions of organogenesis.
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