International Review of Cytology presents current advances and comprehensive reviews in cell biology - both plant and animal. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research. Articles in this volume include LEM-domain Proteins: New Insights into lamin-interacting Proteins; New Insights into Membrane Trafficking and Protein Sorting; Structure and Function of the Atypical Orphan Nuclear Receptor; Zebrafish Gastrulation: Cell Movements, Signals and Mechanisms; Calcium Dynamics: Spatio-tempral Organization from the Subcellular to the Organ Level; New Technologies Used in the Study of Human Melanoma.