When we began to organize the workshop "Calcium and Cellular Metabolism: Transport and Regulation" the goal we had in mind was to put together the knowledge of 2 several specialists on Ca + homeostasis, with various examples of cellular metabolisms 2 2 (such as protein synthesis), regulated by Ca + ions. Regarding the homeostasis of Ca + ions, we invited Ernesto Carafoli to write the first chapter as a general state-of-the-art introductory review. On the other hand, the other chapters are the contribution of different specialists on membrane calcium transport mechanisms, aiming to reunite at...