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pubmed:abstractText |
Phagocytosis, the process by which cells internalize particles, is essential for the defense of multicellular organisms against invading pathogens and is the major means by which many unicellular organisms obtain nutrients. The actin cytoskeleton plays a critical role in phagocytosis and the observation that a significant amount of force (10-20 nN) is generated during internalization, suggests that a myosin participates in the process. Although more than 15 distinct classes of myosin have been identified, their roles in phagocytosis are unknown.
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