Cover photograph (Copyright © 2000, American Society for Microbiology. All rights reserved.): Intracellular distribution of dTAFII16 in Drosophila embryos as visualized by immunofluorescence and confocal laser scanning microscopy. dTAFII16 is labeled with an anti-dTAFII16 rabbit primary antibody and goat secondary anti-rabbit antibody coupled to Cy3 (green). DNA is labeled with propidium iodide (red). In the early preblastoderm embryo, dTAFII16 is located in the cytoplasm and the nuclear periphery (yellow). (See related article on page 1639.)