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Any of the spindle microtubules that radiate in all directions from the spindle poles and are thought to contribute to the forces that separate the poles and position them in relation to the rest of the cell. 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. Any macromolecular complex composed of two or more polypeptide subunits, which may or may not be identical. Protein complexes may have other associated non-protein prosthetic groups, such as nucleotides, metal ions or other small molecules. Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. Any microtubule in the cytoplasm of a cell. All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. The part of the cytoskeleton (the internal framework of a cell) composed of microtubules and associated proteins. Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle. Arrays of microtubules underlying and connected to the plasma membrane in the cortical cytosol. Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cytoplasmic microtubule
Acc: GO:0005881
Aspect: Cellular Component
Desc: Any microtubule in the cytoplasm of a cell.
Synonyms:
  • non-spindle-associated astral microtubule
Proteins in PDR annotated with:
   This term: 60 [Search]
   Term or descendants: 110 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0005881 - cytoplasmic microtubule (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle