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The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or inner membrane and cell wall (Fungi). 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. The region between the inner (cytoplasmic or plasma) membrane and outer membrane of organisms with two membranes such as Gram negative bacteria. These periplasmic spaces are relatively thick and contain a thin cell wall. The region between the plasma membrane and the cell wall, as found in organisms such as yeast and Gram positive bacteria. The region is thinner than the equivalent in Gram negative bacteria. Any constituent part of a cell, the basic structural and functional unit of all organisms. The basic structural and functional unit of all organisms. Includes the plasma membrane and any external encapsulating structures such as the cell wall and cell envelope. The part of a cell or its extracellular environment in which a gene product is located. A gene product may be located in one or more parts of a cell and its location may be as specific as a particular macromolecular complex, that is, a stable, persistent association of macromolecules that function together.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: periplasmic space
Acc: GO:0042597
Aspect: Cellular Component
Desc: The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or inner membrane and cell wall (Fungi).
Synonyms:
  • periplasm
  • GO:0005620
Proteins in PDR annotated with:
   This term: 159 [Search]
   Term or descendants: 479 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0042597 - periplasmic space (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle