Intracellular transport Molecular motors 8 Animals 6 Biological Transport 6 Single particle tracking 6 Xenopus laevis 6 cell transport 6 nonhuman 6 priority journal 6 Article 4 Cells, Cultured 4 Diffusion 4 Generalized Langevin equation 4 Melanosomes 4 Microtubules 4 Xenopus laevis melanophores 4 animal 4 animal cell 4 cell aggregation 4 cell culture 4 cell tracking 4 controlled study 4 melanosome 4 metabolism 4 microtubule 4 molecular motor 4 transport at the cellular level 4 Actins 2 Active transport 2 Adenosinetriphosphate 2