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Meeting Report – Imaging Membrane Dynamics, 14–17 September, Royal Holloway – University of London, UK

In September 2006, the British Society for Cell Biology and Royal Microscopical Society held a joint meeting, ‘Imaging Membrane Dynamics’ at Royal Holloway – University of London. The stunning surroundings of the Founders’ Building (pictured) almost made up for the surrounding construction site! The meeting was designed to showcase the latest research exploiting imaging technologies for the advancement of our understanding of membrane traffic research. Around 130 participants assembled for what was scientifically an amazing meeting. The quality of presentations was matched by the intensity and interest in discussions that followed each talk. The meeting began with a session on the export of proteins from the endoplasmic reticulum (ER). The first talk of the meeting was given by Catherine Rabouille (Utrecht) in which she discussed the role of actin in the organization of the ER–Golgi interface in Drosophila S2 cells and its role in the duplication of the Golgi during cell division. Of particular interest was data of Catherine, highlighting the existence of the Golgi as a ‘paired’ organelle, in which two closely apposed stacks are clearly seen in electron micrographs. The data indicated that actin is required to maintain both ER exit sites and Golgi structures as paired structures within the cell. This was followed by an excellent talk from Frank van Kuppeveld (Nijmegen), detailing recent work from his laboratory on the perturbation of trafficking systems by the 3A protein of enterovirus. Frank described how this protein specifically inhibits the Arf1-GEF GBF1, revealing the mechanism by which this virus hijacks cellular machinery for its own propagation. The final talk in the session was from Ben Glick (Chicago) in which he discussed the principles of self-organization with reference to ER export sites, describing the role of Sec16 as an organizer of these structures. Further work was presented using multi-dimensional live cell imaging of yeast to provide key support for the cisternal maturation model for Golgi function, at least in Saccharomyces