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Double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. Any constituent part of a cell, the basic structural and functional unit of all organisms. An immature spore undergoing development. The spore usually consists of nucleic acid, prospore membrane(s) that encase the nucleic acid, and ultimately a cell wall that covers the membrane(s). This type of spore is observed in ascopore-forming fungi. Any constituent part of a membrane, a double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The region of the prospore membrane to which the spindle pole body (SPB) is anchored; the prospore membrane extends from the SPB attachment site to surround the spore nucleus. The prospore membrane is a double-membraned structure that extends from the cytoplasmic face of the spindle pole bodies to encompass the spindle pole bodies and the four nuclear lobes that are formed during meiosis. It helps isolate the meiotic nuclei from the cytoplasm during spore formation and serves as a foundation for the formation of the spore walls. An example of this component is found in Schizosaccharomyces pombe.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: prospore membrane spindle pole body attachment site
Acc: GO:0070057
Aspect: Cellular Component
Desc: The region of the prospore membrane to which the spindle pole body (SPB) is anchored; the prospore membrane extends from the SPB attachment site to surround the spore nucleus.
Synonyms:
  • prospore membrane SPB attachment site
  • forespore membrane SPB attachment site
  • forespore membrane spindle pole body attachment site
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0070057 - prospore membrane spindle pole body attachment site (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle