To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 8 A transport and retention mechanism for the sustained distal localization of Spn-F-IKKÂ during Drosophila bristle elongation T. Otani, K. Oshima, A. Kimpara, M. Takeda, U. Abdu, and S. Hayashi Development 2015. 142:2338-2351; doi: 10.1242/dev.121863 Download Original Video