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Keywords:

  • central nervous system;
  • clathrin-mediated endocytosis;
  • dynamin-related proteins;
  • evolution;
  • neurotransmission
Thumbnail image of graphical abstract

Whereas clathrin-mediated endocytosis (CME) exists in all eukaryotic cells, we first detect classical dynamin in Ichthyosporid, a single-cell, metazoan precursor. Based on a key functional residue in its pleckstrin homology domain, we speculate that the evolution of metazoan dynamin coincided with the specialized need for regulated CME during neurotransmission.