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Panel 31. The surface of cells can form extensions due to the presence of actin filaments beneath the plasma membrane. Actin and myosin are the main constituents of muscle cells, responsible for muscle contraction. However, actin and myosin are present in all types of animal cells, but in smaller quantities, to perform important functions of cellular dynamics. Thanks to these proteins, the cell can indeed produce extensions and perform movements.

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HIV budding at filopodia

  • 章节

  • 发表日期：

    2025年

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  • Philippe Roingeard

摘要

Panel 31. The surface of cells can form extensions due to the presence of actin filaments beneath the plasma membrane. Actin and myosin are the main constituents of muscle cells, responsible for muscle contraction. However, actin and myosin are present in all types of animal cells, but in smaller quantities, to perform important functions of cellular dynamics. Thanks to these proteins, the cell can indeed produce extensions and perform movements.