FB2026_03 , released September 17, 2026
CV Term Report
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Term septin ring ID (Ontology) GO:0005940 (Gene Ontology)
Definition A tight ring-shaped structure that forms in the division plane at the site of cytokinesis; composed of members of the conserved family of filament-forming proteins called septins as well as septin-associated proteins. This type of septin structure is observed at the bud neck of budding fungal cells, at the site of cell division in animal cells, at the junction between the mother cell and a pseudohyphal projection, and also within hyphae of filamentous fungi at sites where a septum will form.[ PubMed:16009555 PubMed:16151244 ]
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Genes (FBgn)GO_CELLULAR_COMPONENT
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 septin ring (all annotations which use CV term, excluding "NOT" statements)
     is_active_in | septin ring
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cytoplasm
 |__cell cortex_______________________
cytoskeleton                          |
 |__septin cytoskeleton_______________|
intracellular membraneless organelle  |
 |__cytoskeleton______________________|
cell periphery                        |
 |__cell cortex_______________________|
                                      septin ring  5 rec.
                                       |__cellular bud neck septin ring
                                       |   |__Gin4 complex
                                       |__germ tube septin ring
                                       |__hyphal septin ring
                                       |__mating projection septin ring
                                       |__medial cortex septin ring
                                       |__prospore septin ring
                                       |__pseudohyphal septin ring
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Is a septin cytoskeleton
Part of cytoskeleton
cell cortex
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Wikipedia:Septin_ring