About the Cover
Cover picture:The Rab27a GTPase associates with melanosomes and regulates their transport to, and retention in, the peripheral cytoplasm in skin melanocytes. Melanosome transport also requires the microtubule and actin cytoskeleton. Staining of a cultured murine melanocyte for filamentous actin (red) and microtubules (blue) reveals a close relationship between Rab27a-labelled melanosomes (green) and these cytoskeletal elements. See related article in this issue by Hume et al., 795-808.
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