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Graphical

BudBud neck

Definition

The bud neck is a constriction between the mother and the daughter cell (bud) in an organism that reproduces by budding. This structure comprises the septin ring, an hourglass-shaped collar around the mother-bud neck, which splits into two rings flanking the division plane at cytokinesis and that acts as a diffusion barrier to maintain polarity factors in the bud and as a scaffold to recruit actomyosin contractile ring components.

Synonyms

Cellular bud neck

Category

› Cellular component

GOi

cellular bud neck [ GO:0005935 ]