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Any constituent part of the cytoskeleton, a cellular scaffolding or skeleton that maintains cell shape, enables some cell motion (using structures such as flagella and cilia), and plays important roles in both intra-cellular transport (e.g. the movement of vesicles and organelles) and cellular division. Includes constituent parts of intermediate filaments, microfilaments, microtubules, and the microtrabecular lattice. A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber. Any complex of actin, myosin, and accessory proteins. An assembly of actin filaments that are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness. The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: stress fiber
Acc: GO:0001725
Aspect: Cellular Component
Desc: A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber.
Synonyms:
  • actin cable
  • stress fibre
Proteins in PDR annotated with:
   This term: 55 [Search]
   Term or descendants: 55 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0001725 - stress fiber (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle