Diagram of embryo elongation (IMAGE)
Caption
Figure 1. Schematic diagrams of C. elegans embryo elongation. (A) Cartoons showing two stages of elongation driven by seam cell and muscle contractions. (B) Illustration of the microstructure of the embryo wall (treated as a thin-walled cylinder). Contraction generated in seam cells causes the shrinking of the embryo wall in the circumferential direction and eventually drives its axial elongation. Such elongation is further sustained by contraction of body-wall muscles in the second stage. (C) Illustration of the model where the development of cellular anisotropy and plasticity were assumed to be caused by the force-induced alignment and severing/re-bundling of actin filaments, respectively.
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The University of Hong Kong
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