
Cover image: Macrophage after phagocytosis of latex beads. Beads (blue) are surrounded by actin (red), with nucleus shown in green. Particle envelopment consumes large patches of membrane that are replenished in a rapid phase of membrane biogenesis. The process offers a model for studying membrane lipid synthesis. See the article by Castoreno et al. on pages 13129–13134. Image courtesy of Walter Stockinger and Axel Nohturfft.