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Long whiplike or feathery structures borne either singly or in groups by the motile cells of many bacteria and unicellular eukaryotes and by the motile male gametes of many eukaryotic organisms, which propel the cell through a liquid medium. Organized structure of distinctive morphology and function, not bounded by a lipid bilayer membrane and occurring within the cell. Includes ribosomes, the cytoskeleton and chromosomes. A motor complex composed of an extracellular helical protein filament coupled to a rotary motor embedded in the cell envelope. Flagellar filaments located in the periplasmic space; characterized in spirochetes, in which they are essential for shape and motility. Composed of a core surrounded by two sheath layers, the flagella rotate to allow migration of the cell through viscous media, which would not be possible using external flagella. Organized structure of distinctive morphology and function, not bounded by a lipid bilayer membrane. Includes ribosomes, the cytoskeleton and chromosomes. Any constituent part of flagellum, a 20 nm diameter filament composed of subunits of flagellin driven passively at its base by a motor powered by the transmembrane proton potential. Examples of this component are found in bacterial species. Organized structure of distinctive morphology and function, occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton. Excludes the plasma membrane. A prolongation or process extending from a cell, e.g. a flagellum or axon.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: bacterial-type flagellum
Acc: GO:0009288
Aspect: Cellular Component
Desc: A motor complex composed of an extracellular helical protein filament coupled to a rotary motor embedded in the cell envelope.
Synonyms:
  • flagellin-based flagellum
Proteins in PDR annotated with:
   This term: 87 [Search]
   Term or descendants: 188 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0009288 - bacterial-type flagellum (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle