Echinobase Image ID: 208612

FIGURE 3. Microtubule filaments elongate toward the tip of the rods, at 48hpf. (A–C) Representative images showing sea urchin embryo stained with Tubulin‐β (green) and the skeletogenic cell marker 6a9 (blue) at 48hpf. (D–L) Enlargement of the areas marked with white rectangles in C, showing the body rod region (D–F), anterolateral rod region (G–I), and post‐oral rod region (J–L). Arrows point to skeletogenic cells where the microtubules are enriched in a crescent shape with multiple filaments elongating toward the spicule cavity (D–L). The experiments were done in four biological replicates where the total number of embryos scored is 24. Scale bar in (C, F, I, L) is 10 μm. Image published in: Qassem A et al. (2025) Image downloaded from an Open Access article in PubMed Central. © 2025 The Author(s). Larger Image Printer Friendly View

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