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Eukaryotic Cell Dynamics from Crawlers to Swimmers.

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Cells act as nanomachines, adapting movement by sensing environmental mechanics. Understanding how cells detect and respond to their microenvironment (ME) to alter force transmission and cytoskeleton (CSK) remodeling for motility remains a key challenge.

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Area of Science:

  • Cellular Biology
  • Biophysics
  • Mechanobiology

Background:

  • Cellular movement relies on force transmission to the environment.
  • Motile cells adapt their movement strategies based on environmental conditions.
  • The cytoskeleton (CSK) dictates cell shape and is crucial for movement.

Purpose of the Study:

  • To review recent advances in understanding cell motility.
  • To highlight the mechanisms by which cells sense and respond to their microenvironment (ME).
  • To identify remaining challenges in the integrated understanding of cellular movement.

Main Methods:

  • Review of current literature on cell motility.
  • Analysis of cellular sensing, signal transduction, and force generation mechanisms.
  • Discussion of cytoskeleton remodeling in response to environmental cues.

Main Results:

  • Cells exhibit diverse modes of force transmission for movement (e.g., crawling, swimming).
  • Environmental mechanical properties influence the choice of movement mode.
  • Cellular response involves sensing ME, transducing signals, and remodeling the CSK.

Conclusions:

  • Integrated understanding of cell motility, particularly in bacteria, is still developing.
  • Further research is needed to elucidate how cells detect, transduce, and process ME information for optimal movement.
  • Cellular adaptation of movement modes represents a complex interplay of sensing and mechanical response.