Cytoskeleton Guide, Meaning , Facts, Information and Description
The cytoskeleton is a cellular "scaffolding" or "skeleton".The cytoskeleton maintains cell shape, enables some cell motion (using structures such as flagella and cilia), and plays important roles in both intra-cellular transport (the movement of vesicles and organelles, for example) and cellular division.
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2 In bacteria 3 Organization 4 Membrane microfilaments 5 Examples |
This is an Article on Cytoskeleton. Page Contains Information, Facts Details or Explanation Guide About Cytoskeleton Composition
The cytoskeleton is composed of:
In bacteria
Bacterial cytoskeleton controls cell length and width and the site of cell division.Organization
Bundles and networks are the most common arrangements of cytoskeletal filaments.Bundles
In bundles, filaments are packed in parallel arrays.Networks
In networks, filaments crisscross and are loosely packed.Membrane microfilaments
Membrane proteins such as cell adhesion proteins can be attached to actin filaments under the cell membrane. Such linkage of adhesion proteins to the cytoskeleton is important for the strong cell adhesion that holds together solid tissues.Examples
Following are some example cells.Erythrocyte
The erythrocyte has the simplest cytoskeleton. It consists of long fibrous spectrin proteins. Ankryin connects the center of spectrin to transmembrane proteins.