Cover picture: An extended growth cone morphology with altered cytoskeletal organization in cultured hippocampal neurons from mice with disrupted tau and map1b genes. Microtubules (red) were flared out with a slight tendency toward bundling. F-actin (green) was localized mainly in the filopodia, and not localized in the central microtubule-rich domain. See related article in this issue by Takei et al., 989-1000.
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