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Role of the cytoskeleton during early development

Oocytes, eggs, and embryos from a diverse array of species have evolved cytoskeletal specializations which allow them to meet the needs of early embryogenesis. While each species studied possesses one or more specializations which are unique, several cytoskeletal features are widely conserved across different animal phyla. These features include highly‐developed cortical cytoskeletal domains associated with developmental information, microtubule‐mediated pronuclear transport, and rapid intracellular signal‐regulated control of cytoskeletal organization. © 1992 Wiley‐Liss, Inc.