To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S3 EM tomogram of HeLa-B6 cells treated with GCC88 siRNAMovie showing 3D reconstruction of STEM images of HeLa-B6 cells treated with GCC88 siRNA. Note the reformation of a compact Golgi ribbon structure. The Golgi ribbon in mammalian cells negatively regulates autophagy by modulating mTOR activity Prajakta Gosavi, Fiona J. Houghton, Paul J. McMillan, Eric Hanssen, and Paul A. Gleeson J Cell Sci 2018. 131:None-None; doi: 10.1242/jcs.211987 Download Original Video