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The portion of the plasma membrane surrounding a plasmodesma. The interconnected cell membranes and intracellular regions of a plant. The interconnections occur via the plasmodesmata. The space between the plasma membrane and the desmotubule of a plasmodesma. A plasma membrane part that forms a specialized region of connection between two cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix. A cell junction that forms a connection between two cells; excludes direct cytoplasmic junctions such as ring canals. A tightly wound cylinder of membrane that is located within the plasmodesmal pore and runs the length of the plasmodesma. The desmotubule likely provides a rigid stability to plasmodesmata and confers a fixed diameter and pore size to the plasmodesmal canal, and is linked to the endoplasmic reticulum in each of the adjacent cell. 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. A plasmodesma that consists of a simple, single channel; found predominantly in young tissue and formed as a function of cell plate formation during cytokinesis. A plasmodesma with a branched structure, often with many channels leading into a larger central cavity; found in older tissues and usually derived from preexisting primary plasmodesmata. A fine cytoplasmic channel, found in all higher plants, that connects the cytoplasm of one cell to that of an adjacent cell.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: plasmodesma
Acc: GO:0009506
Aspect: Cellular Component
Desc: A fine cytoplasmic channel, found in all higher plants, that connects the cytoplasm of one cell to that of an adjacent cell.
Synonyms:
  • plasmodesmata
Proteins in PDR annotated with:
   This term: 15 [Search]
   Term or descendants: 15 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0009506 - plasmodesma (interactive image map)
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