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GO Term History: Displaying 10 audit records for all terms for the date 2006-08-04

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Introduction

This page displays the differences recorded in the full Gene Ontology OBO v1.2 file as audited by the UniProt-GOA database during its daily update cycle.
If there is any delay in uploading the current OBO file, the changes displayed and the date recorded for these changes may not correspond to when the changes to the OBO file were committed.

All changes

Timestamp GO ID GO Term Name Action Category Detail
2006-08-04 GO:0032154 cleavage furrow Updated DEFINITION In animal cells, the first sign of cleavage, or cytokinesis, is the appearance of a shallow groove in the cell surface near the old metaphase plate. A contractile ring containing actin and myosin is located just inside the plasma membrane at the location of the furrow. Ring contraction is associated with centripetal growth of the membrane that deepens the cleavage furrow and divides the cytoplasm of the two daughter cells. While the term "cleavage furrow" was initially associated with animal cells, such a structure occurs in many other types of cells, including unicellular protists.
2006-08-04 GO:0007339 binding of sperm to zona pellucida Updated DEFINITION The process by which the sperm binds to the zona pellucida glycoprotein layer of the egg. The process begins with the attachment of the sperm plasma membrane to the zona pellucida and includes attachment of the acrosome inner membrane to the zona pellucida after the acrosomal reaction takes place.
2006-08-04 GO:0007340 acrosome reaction Updated DEFINITION The discharge, by sperm, of a single, anterior secretory granule following their attachment to the zona pellucida surrounding the oocyte. The process begins with the fusion of the outer acrosomal membrane with the sperm plasma membrane and ends with the disperasl of the acrosomal contents into the egg.
2006-08-04 GO:0005683 U7 snRNP Updated DEFINITION A ribonucleoprotein complex, that includes the U7 snRNA, required for the 3'-end processing of replication-dependent histone pre-mRNAs.
2006-08-04 GO:0031387 MPF complex Updated DEFINITION A complex consisting of a Cdc2-class (also known as Cdc28) cyclin-dependent kinase and an M-phase cyclin such as S. pombe Cdc13p. The MPF complex phosphorylates and activates the anaphase promoting complex (APC).
2006-08-04 GO:0002081 outer acrosomal membrane Updated DEFINITION The acrosomal region that underlies the plasma membrane of the sperm. This membrane fuses with the sperm plasma membrane as part of the acrosome reaction.
2006-08-04 GO:0000815 ESCRT III complex Updated DEFINITION An endosomal sorting complex required for transport. Consists of two soluble subcomplexes of highly charged coiled-coil proteins and is required for sorting and/or concentration of multivesicular body (MVB) cargoes.
2006-08-04 GO:0000501 flocculation via cell wall protein-carbohydrate interaction Updated DEFINITION Mannose-sensitive, nonsexual aggregation of cells mediated by protein-carbohydrate (flocculin-mannan) interaction present in the cell wall. This process is pH- and calcium-dependent and reversible. As in, but not restricted to, the taxon Saccharomyces (Saccharomyces, ncbi_taxonomy_id:4930).
2006-08-04 GO:0002078 membrane fusion involved in acrosome reaction Updated DEFINITION The fusion of the plasma membrane of the sperm with the outer acrosomal membrane.
2006-08-04 GO:0016129 phytosteroid biosynthetic process Updated DEFINITION The chemical reactions and pathways resulting in the formation of phytosteroids, steroids of higher plants differing from animal steroids in having substitutions at C24 and/or a double bond at C22.

Definition/synonyms

Timestamp GO ID GO Term Name Action Category Detail
2006-08-04 GO:0032154 cleavage furrow Updated DEFINITION In animal cells, the first sign of cleavage, or cytokinesis, is the appearance of a shallow groove in the cell surface near the old metaphase plate. A contractile ring containing actin and myosin is located just inside the plasma membrane at the location of the furrow. Ring contraction is associated with centripetal growth of the membrane that deepens the cleavage furrow and divides the cytoplasm of the two daughter cells. While the term "cleavage furrow" was initially associated with animal cells, such a structure occurs in many other types of cells, including unicellular protists.
2006-08-04 GO:0007339 binding of sperm to zona pellucida Updated DEFINITION The process by which the sperm binds to the zona pellucida glycoprotein layer of the egg. The process begins with the attachment of the sperm plasma membrane to the zona pellucida and includes attachment of the acrosome inner membrane to the zona pellucida after the acrosomal reaction takes place.
2006-08-04 GO:0007340 acrosome reaction Updated DEFINITION The discharge, by sperm, of a single, anterior secretory granule following their attachment to the zona pellucida surrounding the oocyte. The process begins with the fusion of the outer acrosomal membrane with the sperm plasma membrane and ends with the disperasl of the acrosomal contents into the egg.
2006-08-04 GO:0005683 U7 snRNP Updated DEFINITION A ribonucleoprotein complex, that includes the U7 snRNA, required for the 3'-end processing of replication-dependent histone pre-mRNAs.
2006-08-04 GO:0031387 MPF complex Updated DEFINITION A complex consisting of a Cdc2-class (also known as Cdc28) cyclin-dependent kinase and an M-phase cyclin such as S. pombe Cdc13p. The MPF complex phosphorylates and activates the anaphase promoting complex (APC).
2006-08-04 GO:0002081 outer acrosomal membrane Updated DEFINITION The acrosomal region that underlies the plasma membrane of the sperm. This membrane fuses with the sperm plasma membrane as part of the acrosome reaction.
2006-08-04 GO:0000815 ESCRT III complex Updated DEFINITION An endosomal sorting complex required for transport. Consists of two soluble subcomplexes of highly charged coiled-coil proteins and is required for sorting and/or concentration of multivesicular body (MVB) cargoes.
2006-08-04 GO:0000501 flocculation via cell wall protein-carbohydrate interaction Updated DEFINITION Mannose-sensitive, nonsexual aggregation of cells mediated by protein-carbohydrate (flocculin-mannan) interaction present in the cell wall. This process is pH- and calcium-dependent and reversible. As in, but not restricted to, the taxon Saccharomyces (Saccharomyces, ncbi_taxonomy_id:4930).
2006-08-04 GO:0002078 membrane fusion involved in acrosome reaction Updated DEFINITION The fusion of the plasma membrane of the sperm with the outer acrosomal membrane.
2006-08-04 GO:0016129 phytosteroid biosynthetic process Updated DEFINITION The chemical reactions and pathways resulting in the formation of phytosteroids, steroids of higher plants differing from animal steroids in having substitutions at C24 and/or a double bond at C22.
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