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Any of a series of septin structures that are localized in the bud neck of a budding fungal cell during the cell cycle. Any constituent part of the cell division plane, the eventual plane of cell division in a dividing cell. Any constituent part of a cell, the basic structural and functional unit of all organisms. Two separate septin rings that are formed from the septin collar at the time of cytokinesis in cells that divide by budding. These two rings are thought to delineate a special compartment in which factors involved in cytokinesis are concentrated. A protuberance from a cell of an organism that reproduces by budding, which will grow larger and become a separate daughter cell after nuclear division, cytokinesis, and cell wall formation (when appropriate). The daughter cell may completely separate from the mother cell, or the mother and daughter cells may remain associated. A tubular structure with flared ends, shaped like an hourglass and composed of highly ordered arrays of septin filaments, that forms at the bud neck of a dividing cell. In S. cerevisiae, this structure is located at the bud neck throughout most of the cell cycle and the septins are fixed within the structure, not exchanging with soluble septins. This septin structure acts as a scaffold for other proteins that function at the bud neck. Any part of a cell where non-isotropic growth takes place. The eventual plane of cell division (also known as cell cleavage or cytokinesis) in a dividing cell. The cleavage apparatus, composed of septin structures and the actomyosin contractile ring, forms along this plane. The mitotic, or meiotic, spindle is aligned perpendicular to the division plane. The constriction between the mother cell and daughter cell (bud) in an organism that reproduces by budding. A ring-shaped structure that forms at the site of cytokinesis; composed of members of the conserved family of filament forming proteins called septins as well as septin-associated proteins. In S. cerevisiae, this structure forms at the time of bud emergence and the septins show a high rate of exchange.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cellular bud neck septin structure
Acc: GO:0000399
Aspect: Cellular Component
Desc: Any of a series of septin structures that are localized in the bud neck of a budding fungal cell during the cell cycle.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 17 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0000399 - cellular bud neck septin structure (interactive image map)
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