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Cover Figure

COVER This week's issue of Science Signaling complements the Science Special Issue on Protein Dynamics and features a Research Article that discusses the signals downstream of the mechanical signal produced by mesoderm constriction in the Drosophila embryo. The image shows the apical distribution of Myosin II (in green) at a mesoderm invagination. [Image: Philippe-Alexandre Pouille and Emmanuel Farge, Institut Curie, Paris, France]

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Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882