Endocytosis of Wnt ligands from surrounding epithelial cells positions microtubule nucleation sites at dendrite branch points - Pankajam Thyagarajan; Hannah S. Mirshahi; Gregory O. Kothe; Nitish Kumar; Melissa Long; Bowofoluwa S. Abimbola; Alexis T. Weiner; Melissa M. Rolls (PLoS Biology)