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GO_term: GO:0000144   

GO:0000144 Definition Composed of the conserved family of filament forming proteins called septins as well as septin-associated proteins, a septin ring initially forms in unbudded cells at the future site of bud emergence in close apposition to the cytoplasm face of plasma membrane. The ring expands into an hourglass shaped collar as the mother-bud neck develops during bud formation. The septin ring acts as a scaffold for other proteins that function at the bud neck and as a diffusion barrier to prevent the flow of some membrane proteins from the bud into the mother.
Composed of the conserved family of filament forming proteins called septins as well as septin-associated proteins, a septin ring initially forms in unbudded cells at the future site of bud emergence in close apposition to the cytoplasm face of plasma membrane. The ring expands into an hourglass shaped collar as the mother-bud neck develops during bud formation. The septin ring acts as a scaffold for other proteins that function at the bud neck and as a diffusion barrier to prevent the flow of some membrane proteins from the bud into the mother. As in, but not restricted to, the taxon Saccharomyces (Saccharomyces, ncbi_taxonomy_id:4930).
Termseptin ring (sensu Saccharomyces)
TypeCellular_component
Parent Instance_ofGO:0030481
Component_ofGO:0000142
Attributes_of Index Ancestor (34)
Descendent GO:0000133
GO:0000143
GO:0000144
GO:0008091
GO:0046858
GO:0005694
GO:0030849
GO:0000785
GO:0000789
GO:0030481
GO:0005868
GO:0005869
GO:0005870
GO:0008290
GO:0016459
GO:0042642
GO:0016460
GO:0005934
GO:0005937
GO:0001400
GO:0008372
GO:0005576
GO:0048046
GO:0005578
GO:0005604
GO:0005605
GO:0016010
GO:0016014
GO:0016011
GO:0030016
GO:0030864
GO:0005859
GO:0009504
GO:0009346
GO:0043292
GO:0043034
GO:0030017
GO:0030478
GO:0030479
GO:0005857
GO:0031561
GO:0030426
GO:0001411
GO:0031562
GO:0031521
GO:0043332
GO:0031563
GO:0031560
GO:0031254
GO:0031257
GO:0031259
GO:0001931
GO:0031317
GO:0031012
GO:0048196
GO:0009530
GO:0009549
GO:0048222
GO:0048223
GO:0048217
GO:0009531
GO:0048226
GO:0048224
GO:0048225