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Shreya modi (1)

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  • 1. cytoskeleton Shreya M. ModiMSc –I[Microbiology] H.N.G.UDept. of Life Science
  • 2. INDEX Introduction Types of cytoskeleton(i) Intermediate filament(ii) Microtubules(iii) Microfilaments Comparision Conclusion References
  • 3. Introduction • The cytoskeleton is a network of fibers extending throughout the cytoplasm. The cytoskeleton organizes the structures and activities of the cell.Cells need a (cyto)skeleton to:•create shape•change shape•allow movement
  • 4. Types of Cytoskeleton
  • 5. Composition of the cytoskeleton• actin filaments (6-10 nm)• microtubules (25 nm) & associated proteins• intermediate filaments (11 nm) & molecular motors• nano filaments (2-6 nm)
  • 6. Motility and trafficking actin filaments myosinsmicrotubuleskinesinsdyneins
  • 7. Intermediate Filaments
  • 8. Molecular motors nano filaments ? intermediate filamentsMicrotubules Actin filaments Microtubules ?
  • 9. Function of cytoskeleton• stabilization• intracellular transport• signal transduction