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GO Term History: Displaying 53 audit records for all terms for the date 2006-06-06

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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
2006-06-06 GO:0044435 plastid part Added DEFINITION Any constituent part of a plastid, a member of a family of organelles found in the cytoplasm of plants and some protists, which are membrane-bounded and contain DNA. Plant plastids develop from a common type, the proplastid.
2006-06-06 GO:0044459 plasma membrane part Added DEFINITION Any constituent part of the plasma membrane, the membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
2006-06-06 GO:0044440 endosomal part Added DEFINITION Any constituent part of an endosome, a membrane-bound organelle that carries materials newly ingested by endocytosis. It passes many of the materials to lysosomes for degradation.
2006-06-06 GO:0044462 external encapsulating structure part Added DEFINITION Any constituent part of an external encapsulating structure, a structure that lies outside the plasma membrane and surrounds the entire cell.
2006-06-06 GO:0044420 extracellular matrix part Added DEFINITION Any constituent part of the extracellular matrix, the structure lying external to one or more cells, which provides structural support for cells or tissues; may be completely external to the cell (as in animals) or be part of the cell (as in plants).
2006-06-06 GO:0044421 extracellular region part Added DEFINITION Any constituent part of the extracellular region, the space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers constituent parts of the host cell environment outside an intracellular parasite.
2006-06-06 GO:0044443 pilus part Added DEFINITION Any constituent part of a fimbrium, a proteinaceous hair-like appendage on the surface of bacteria; range from 2-8 nm in diameter.
2006-06-06 GO:0044460 flagellum part Added DEFINITION Any constituent part of a flagellum, a long whiplike or feathery structure borne either singly or in groups by the motile cells of many bacteria and unicellular eukaryotes and by the motile male gametes of many eukaryotic organisms, which propel the cell through a liquid medium.
2006-06-06 GO:0044461 bacterial-type flagellum part Added DEFINITION Any constituent part of flagellum, a 20 nm diameter filament composed of subunits of flagellin driven passively at its base by a motor powered by the transmembrane proton potential. As in, but not restricted to, the taxon Bacteria (Bacteria, ncbi_taxonomy_id:2).
2006-06-06 GO:0044442 microtubule-based flagellum part Added DEFINITION Any constituent part of a flagellum, a long, whiplike protrusion from the surface of a eukaryotic cell, whose undulations drive the cell through a liquid medium; similar in structure to a cilium. As in, but not restricted to, the eukaryotes (Eukaryota, ncbi_taxonomy_id:2759).
2006-06-06 GO:0044431 Golgi apparatus part Added DEFINITION Any constituent part of the Golgi apparatus, a compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack.
2006-06-06 GO:0044446 intracellular organelle part Added DEFINITION A constituent part of an intracellular organelle, an organized structure of distinctive morphology and function, occurring within the cell. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton but excludes the plasma membrane.
2006-06-06 GO:0044424 intracellular part Added DEFINITION Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
2006-06-06 GO:0044425 membrane part Added DEFINITION 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.
2006-06-06 GO:0044430 cytoskeletal part Added DEFINITION Any constituent part of the cytoskeleton, a cellular scaffolding or skeleton that maintains cell shape, enables some cell motion (using structures such as flagella and cilia), and plays important roles in both intra-cellular transport (e.g. the movement of vesicles and organelles) and cellular division. Includes constituent parts of intermediate filaments, microfilaments, microtubules, and the microtrabecular lattice.
2006-06-06 GO:0044445 cytosolic part Added DEFINITION Any constituent part of cytosol, that part of the cytoplasm that does not contain membranous or particulate subcellular components.
2006-06-06 GO:0044432 endoplasmic reticulum part Added DEFINITION Any constituent part of the endoplasmic reticulum, the irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae.
2006-06-06 GO:0044447 axoneme part Added DEFINITION Any constituent part of an axoneme, the bundle of microtubules and associated proteins that forms the core of cilia and flagella in eukaryotic cells and is responsible for their movements.
2006-06-06 GO:0044448 cell cortex part Added DEFINITION Any constituent part of the cell cortex, the region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.
2006-06-06 GO:0044464 cell part Added DEFINITION Any constituent part of a cell, the basic structural and functional unit of all organisms.
2006-06-06 GO:0044463 cell projection part Added DEFINITION Any constituent part of a cell projection, a prolongation or process extending from a cell, e.g. a flagellum or axon.
2006-06-06 GO:0044457 cell septum part Added DEFINITION Any constituent part of a cell septum, a structure composed of peptidoglycan and often chitin in addition to other materials. It usually forms perpendicular to the long axis of a cell or hypha and grows centripetally from the cell wall to the center of the cell and often functions in the compartmentalization of a cell into two daughter cells.
2006-06-06 GO:0044426 cell wall part Added DEFINITION Any constituent part of the cell wall, the rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, and most prokaryotic cells, maintaining their shape and protecting them from osmotic lysis.
2006-06-06 GO:0015666 restriction endodeoxyribonuclease activity Added DEFINITION Catalysis of endonucleolytic cleavage of DNA in a site-specific manner, resulting in double-strand breaks.
2006-06-06 GO:0048837 sorus development Added DEFINITION The process whose specific outcome is the progression of the sorus over time, from its formation to the mature structure. A sorus is a mass of spores.
2006-06-06 GO:0044456 synapse part Added DEFINITION The junction between a nerve fiber of one neuron and another neuron or muscle fiber or glial cell;
2006-06-06 GO:0044436 thylakoid part Added DEFINITION Any constituent part of a thylakoid, a sac-like vesicle that bears the photosynthetic pigments in photosynthetic organisms.
2006-06-06 GO:0009035 Type I site-specific deoxyribonuclease activity Updated DEFINITION Catalysis of the endonucleolytic cleavage of DNA to give random double-stranded fragments with terminal 5' or 3' protrusions; ATP is simultaneously hydrolyzed. Cleavage is dependent on the presence in the DNA of a specific recognition site. Cleavage may occur hundreds or thousands of base pairs away from the recognition site due to translocation of DNA.
2006-06-06 GO:0019812 Type I site-specific deoxyribonuclease complex Added DEFINITION A multisubunit complex composed of two copies of a restriction (R) subunit, two copies of a methylation (M) subunit, and one copy of a specificity (S) subunit. This complex recognizes specific short DNA sequences (through the S subunit), and binds to them. If the recognition site is hemimethylated, the complex acts as a methyltransferase which modifies the recognition site, using S-adenosylmethionine as the methyl donor. Only the M and S subunits are required for this reaction. If the complex binds to an unmethylated recognition site, then the complex translocates the DNA bidirectionally in an ATP-dependent manner. When the translocation is stalled by impact with another complex or unusual DNA structure, the enzyme functions as an endonuclease and cleavage of the DNA will occur, hundreds or thousands of base pairs away from the recognition site. These DNA restriction systems are used by bacteria to defend against phage and other foreign DNA that may enter a cell.
2006-06-06 GO:0009036 Type II site-specific deoxyribonuclease activity Updated DEFINITION Catalysis of the endonucleolytic cleavage of DNA to give specific double-stranded fragments with terminal 5'-phosphates and 3' hydroxyls. Cleavage is dependent on the presence in the DNA of a specific recognition site; cleavage occurs at or very near this recognition site.
2006-06-06 GO:0009359 Type II site-specific deoxyribonuclease complex Added DEFINITION A protein complex that functions as an endonuclease to cleave DNA at or near a specific recognition site, when that site is unmethylated. These complexes may be dimers or tetramers; it is also possible for the endonuclease to be in a complex with the corresponding methyltransferase that methylates the recognition site. DNA restriction systems such as this are used by bacteria to defend against phage and other foreign DNA that may enter a cell.
2006-06-06 GO:0015668 Type III site-specific deoxyribonuclease activity Updated DEFINITION Catalysis of the endonucleolytic cleavage of DNA to give double-stranded fragments with terminal 5'-phosphates. ATP hydrolysis is required. Cleavage is dependent on the presence of two copies of a specific recognition sequence in an inverse orientation in the DNA. Cleavage occurs at a specific distance from one of the recognition sites.
2006-06-06 GO:0019813 Type III site-specific deoxyribonuclease complex Updated DEFINITION A heterodimeric enzyme complex composed of two subunits, Res and Mod, that functions as an endonuclease and cleaves DNA. Cleavage will only occur when there are two un-methylated copies of a specific recognition site in an inverse orientation on the DNA. Cleavage occurs at a specific distance away from one of the recognition sites. The Mod subunit can act alone as a methyltansferase. DNA restriction systems such as this are used by bacteria to defend against phage and other foreign DNA that may enter a cell.
2006-06-06 GO:0044437 vacuolar part Added DEFINITION Any constituent part of a vacuole, a closed structure, found only in eukaryotic cells, that is completely surrounded by unit membrane and contains liquid material.
2006-06-06 GO:0044423 virion part Added DEFINITION Any constituent part of a virion, a complete fully infectious extracellular virus particle.
2006-06-06 GO:0044434 chloroplast part Added DEFINITION Any constituent part of a chloroplast, a chlorophyll-containing plastid with thylakoids organized into grana and frets, or stroma thylakoids, and embedded in a stroma.
2006-06-06 GO:0044427 chromosomal part Added DEFINITION Any constituent part of a chromosome, a structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information.
2006-06-06 GO:0044441 ciliary part Added DEFINITION Any constituent part of a cilium, a specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface. Each cilium is bounded by an extrusion of the cytoplasmic membrane, and contains a regular longitudinal array of microtubules, anchored basally in a centriole.
2006-06-06 GO:0044449 contractile fiber part Added DEFINITION Any constituent part of a contractile fiber, a fiber composed of actin, myosin, and associated proteins, found in cells of smooth or striated muscle.
2006-06-06 GO:0044444 cytoplasmic part Added DEFINITION Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2006-06-06 GO:0044433 cytoplasmic vesicle part Added DEFINITION Any constituent part of cytoplasmic vesicle, a vesicle formed of membrane or protein, found in the cytoplasm of a cell.
2006-06-06 GO:0044438 microbody part Added DEFINITION Any constituent part of a microbody, a cytoplasmic organelle, spherical or oval in shape, that is bounded by a single membrane and contains oxidative enzymes, especially those utilizing hydrogen peroxide (H2O2).
2006-06-06 GO:0044450 microtubule organizing center part Added DEFINITION Any constituent part of a microtubule organizing center, a region in a eukaryotic cell, such as a centrosome or basal body, from which microtubules grow.
2006-06-06 GO:0044455 mitochondrial membrane part Added DEFINITION Any constituent part of the mitochondrial membrane, either of the lipid bilayers that surround the mitochondrion and form the mitochondrial envelope.
2006-06-06 GO:0044429 mitochondrial part Added DEFINITION Any constituent part of a mitochondrion, a semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
2006-06-06 GO:0044454 nuclear chromosome part Added DEFINITION Any constituent part of a nuclear chromosome, a chromosome found in the nucleus of a eukaryotic cell.
2006-06-06 GO:0044453 nuclear membrane part Added DEFINITION Any constituent part of the nuclear membrane, the envelope that surrounds the nucleus of eukaryotic cells.
2006-06-06 GO:0044428 nuclear part Added DEFINITION Any constituent part of the nucleus, a membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated.
2006-06-06 GO:0044452 nucleolar part Added DEFINITION Any constituent part of a nucleolus, a small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis.
2006-06-06 GO:0044451 nucleoplasm part Added DEFINITION Any constituent part of the nucleoplasm, that part of the nuclear content other than the chromosomes or the nucleolus.
2006-06-06 GO:0044422 organelle part Added DEFINITION Any constituent part of an organelle, an organized structure of distinctive morphology and function. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton, but excludes the plasma membrane.
2006-06-06 GO:0044439 peroxisomal part Added DEFINITION Any constituent part of a peroxisome, a small, membrane-bounded organelle that uses dioxygen (O2) to oxidize organic molecules; contains some enzymes that produce and others that degrade hydrogen peroxide (H2O2).
2006-06-06 GO:0048838 release of seed from dormancy Added DEFINITION The processes by which the dormant state comes to an end in a seed.

Definition/synonyms

Timestamp GO ID GO Term Name Action Category Detail
2006-06-06 GO:0044435 plastid part Added DEFINITION Any constituent part of a plastid, a member of a family of organelles found in the cytoplasm of plants and some protists, which are membrane-bounded and contain DNA. Plant plastids develop from a common type, the proplastid.
2006-06-06 GO:0044459 plasma membrane part Added DEFINITION Any constituent part of the plasma membrane, the membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
2006-06-06 GO:0044440 endosomal part Added DEFINITION Any constituent part of an endosome, a membrane-bound organelle that carries materials newly ingested by endocytosis. It passes many of the materials to lysosomes for degradation.
2006-06-06 GO:0044462 external encapsulating structure part Added DEFINITION Any constituent part of an external encapsulating structure, a structure that lies outside the plasma membrane and surrounds the entire cell.
2006-06-06 GO:0044420 extracellular matrix part Added DEFINITION Any constituent part of the extracellular matrix, the structure lying external to one or more cells, which provides structural support for cells or tissues; may be completely external to the cell (as in animals) or be part of the cell (as in plants).
2006-06-06 GO:0044421 extracellular region part Added DEFINITION Any constituent part of the extracellular region, the space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers constituent parts of the host cell environment outside an intracellular parasite.
2006-06-06 GO:0044443 pilus part Added DEFINITION Any constituent part of a fimbrium, a proteinaceous hair-like appendage on the surface of bacteria; range from 2-8 nm in diameter.
2006-06-06 GO:0044460 flagellum part Added DEFINITION Any constituent part of a flagellum, a long whiplike or feathery structure borne either singly or in groups by the motile cells of many bacteria and unicellular eukaryotes and by the motile male gametes of many eukaryotic organisms, which propel the cell through a liquid medium.
2006-06-06 GO:0044461 bacterial-type flagellum part Added DEFINITION Any constituent part of flagellum, a 20 nm diameter filament composed of subunits of flagellin driven passively at its base by a motor powered by the transmembrane proton potential. As in, but not restricted to, the taxon Bacteria (Bacteria, ncbi_taxonomy_id:2).
2006-06-06 GO:0044442 microtubule-based flagellum part Added DEFINITION Any constituent part of a flagellum, a long, whiplike protrusion from the surface of a eukaryotic cell, whose undulations drive the cell through a liquid medium; similar in structure to a cilium. As in, but not restricted to, the eukaryotes (Eukaryota, ncbi_taxonomy_id:2759).
2006-06-06 GO:0044431 Golgi apparatus part Added DEFINITION Any constituent part of the Golgi apparatus, a compound membranous cytoplasmic organelle of eukaryotic cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack.
2006-06-06 GO:0044446 intracellular organelle part Added DEFINITION A constituent part of an intracellular organelle, an organized structure of distinctive morphology and function, occurring within the cell. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton but excludes the plasma membrane.
2006-06-06 GO:0044424 intracellular part Added DEFINITION Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
2006-06-06 GO:0044425 membrane part Added DEFINITION 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.
2006-06-06 GO:0044430 cytoskeletal part Added DEFINITION Any constituent part of the cytoskeleton, a cellular scaffolding or skeleton that maintains cell shape, enables some cell motion (using structures such as flagella and cilia), and plays important roles in both intra-cellular transport (e.g. the movement of vesicles and organelles) and cellular division. Includes constituent parts of intermediate filaments, microfilaments, microtubules, and the microtrabecular lattice.
2006-06-06 GO:0044445 cytosolic part Added DEFINITION Any constituent part of cytosol, that part of the cytoplasm that does not contain membranous or particulate subcellular components.
2006-06-06 GO:0044432 endoplasmic reticulum part Added DEFINITION Any constituent part of the endoplasmic reticulum, the irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae.
2006-06-06 GO:0044447 axoneme part Added DEFINITION Any constituent part of an axoneme, the bundle of microtubules and associated proteins that forms the core of cilia and flagella in eukaryotic cells and is responsible for their movements.
2006-06-06 GO:0044448 cell cortex part Added DEFINITION Any constituent part of the cell cortex, the region of a cell that lies just beneath the plasma membrane and often, but not always, contains a network of actin filaments and associated proteins.
2006-06-06 GO:0044464 cell part Added DEFINITION Any constituent part of a cell, the basic structural and functional unit of all organisms.
2006-06-06 GO:0044463 cell projection part Added DEFINITION Any constituent part of a cell projection, a prolongation or process extending from a cell, e.g. a flagellum or axon.
2006-06-06 GO:0044457 cell septum part Added DEFINITION Any constituent part of a cell septum, a structure composed of peptidoglycan and often chitin in addition to other materials. It usually forms perpendicular to the long axis of a cell or hypha and grows centripetally from the cell wall to the center of the cell and often functions in the compartmentalization of a cell into two daughter cells.
2006-06-06 GO:0044426 cell wall part Added DEFINITION Any constituent part of the cell wall, the rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, and most prokaryotic cells, maintaining their shape and protecting them from osmotic lysis.
2006-06-06 GO:0015666 restriction endodeoxyribonuclease activity Added DEFINITION Catalysis of endonucleolytic cleavage of DNA in a site-specific manner, resulting in double-strand breaks.
2006-06-06 GO:0048837 sorus development Added DEFINITION The process whose specific outcome is the progression of the sorus over time, from its formation to the mature structure. A sorus is a mass of spores.
2006-06-06 GO:0044456 synapse part Added DEFINITION The junction between a nerve fiber of one neuron and another neuron or muscle fiber or glial cell;
2006-06-06 GO:0044436 thylakoid part Added DEFINITION Any constituent part of a thylakoid, a sac-like vesicle that bears the photosynthetic pigments in photosynthetic organisms.
2006-06-06 GO:0009035 Type I site-specific deoxyribonuclease activity Updated DEFINITION Catalysis of the endonucleolytic cleavage of DNA to give random double-stranded fragments with terminal 5' or 3' protrusions; ATP is simultaneously hydrolyzed. Cleavage is dependent on the presence in the DNA of a specific recognition site. Cleavage may occur hundreds or thousands of base pairs away from the recognition site due to translocation of DNA.
2006-06-06 GO:0019812 Type I site-specific deoxyribonuclease complex Added DEFINITION A multisubunit complex composed of two copies of a restriction (R) subunit, two copies of a methylation (M) subunit, and one copy of a specificity (S) subunit. This complex recognizes specific short DNA sequences (through the S subunit), and binds to them. If the recognition site is hemimethylated, the complex acts as a methyltransferase which modifies the recognition site, using S-adenosylmethionine as the methyl donor. Only the M and S subunits are required for this reaction. If the complex binds to an unmethylated recognition site, then the complex translocates the DNA bidirectionally in an ATP-dependent manner. When the translocation is stalled by impact with another complex or unusual DNA structure, the enzyme functions as an endonuclease and cleavage of the DNA will occur, hundreds or thousands of base pairs away from the recognition site. These DNA restriction systems are used by bacteria to defend against phage and other foreign DNA that may enter a cell.
2006-06-06 GO:0009036 Type II site-specific deoxyribonuclease activity Updated DEFINITION Catalysis of the endonucleolytic cleavage of DNA to give specific double-stranded fragments with terminal 5'-phosphates and 3' hydroxyls. Cleavage is dependent on the presence in the DNA of a specific recognition site; cleavage occurs at or very near this recognition site.
2006-06-06 GO:0009359 Type II site-specific deoxyribonuclease complex Added DEFINITION A protein complex that functions as an endonuclease to cleave DNA at or near a specific recognition site, when that site is unmethylated. These complexes may be dimers or tetramers; it is also possible for the endonuclease to be in a complex with the corresponding methyltransferase that methylates the recognition site. DNA restriction systems such as this are used by bacteria to defend against phage and other foreign DNA that may enter a cell.
2006-06-06 GO:0015668 Type III site-specific deoxyribonuclease activity Updated DEFINITION Catalysis of the endonucleolytic cleavage of DNA to give double-stranded fragments with terminal 5'-phosphates. ATP hydrolysis is required. Cleavage is dependent on the presence of two copies of a specific recognition sequence in an inverse orientation in the DNA. Cleavage occurs at a specific distance from one of the recognition sites.
2006-06-06 GO:0019813 Type III site-specific deoxyribonuclease complex Updated DEFINITION A heterodimeric enzyme complex composed of two subunits, Res and Mod, that functions as an endonuclease and cleaves DNA. Cleavage will only occur when there are two un-methylated copies of a specific recognition site in an inverse orientation on the DNA. Cleavage occurs at a specific distance away from one of the recognition sites. The Mod subunit can act alone as a methyltansferase. DNA restriction systems such as this are used by bacteria to defend against phage and other foreign DNA that may enter a cell.
2006-06-06 GO:0044437 vacuolar part Added DEFINITION Any constituent part of a vacuole, a closed structure, found only in eukaryotic cells, that is completely surrounded by unit membrane and contains liquid material.
2006-06-06 GO:0044423 virion part Added DEFINITION Any constituent part of a virion, a complete fully infectious extracellular virus particle.
2006-06-06 GO:0044434 chloroplast part Added DEFINITION Any constituent part of a chloroplast, a chlorophyll-containing plastid with thylakoids organized into grana and frets, or stroma thylakoids, and embedded in a stroma.
2006-06-06 GO:0044427 chromosomal part Added DEFINITION Any constituent part of a chromosome, a structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information.
2006-06-06 GO:0044441 ciliary part Added DEFINITION Any constituent part of a cilium, a specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface. Each cilium is bounded by an extrusion of the cytoplasmic membrane, and contains a regular longitudinal array of microtubules, anchored basally in a centriole.
2006-06-06 GO:0044449 contractile fiber part Added DEFINITION Any constituent part of a contractile fiber, a fiber composed of actin, myosin, and associated proteins, found in cells of smooth or striated muscle.
2006-06-06 GO:0044444 cytoplasmic part Added DEFINITION Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2006-06-06 GO:0044433 cytoplasmic vesicle part Added DEFINITION Any constituent part of cytoplasmic vesicle, a vesicle formed of membrane or protein, found in the cytoplasm of a cell.
2006-06-06 GO:0044438 microbody part Added DEFINITION Any constituent part of a microbody, a cytoplasmic organelle, spherical or oval in shape, that is bounded by a single membrane and contains oxidative enzymes, especially those utilizing hydrogen peroxide (H2O2).
2006-06-06 GO:0044450 microtubule organizing center part Added DEFINITION Any constituent part of a microtubule organizing center, a region in a eukaryotic cell, such as a centrosome or basal body, from which microtubules grow.
2006-06-06 GO:0044455 mitochondrial membrane part Added DEFINITION Any constituent part of the mitochondrial membrane, either of the lipid bilayers that surround the mitochondrion and form the mitochondrial envelope.
2006-06-06 GO:0044429 mitochondrial part Added DEFINITION Any constituent part of a mitochondrion, a semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
2006-06-06 GO:0044454 nuclear chromosome part Added DEFINITION Any constituent part of a nuclear chromosome, a chromosome found in the nucleus of a eukaryotic cell.
2006-06-06 GO:0044453 nuclear membrane part Added DEFINITION Any constituent part of the nuclear membrane, the envelope that surrounds the nucleus of eukaryotic cells.
2006-06-06 GO:0044428 nuclear part Added DEFINITION Any constituent part of the nucleus, a membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated.
2006-06-06 GO:0044452 nucleolar part Added DEFINITION Any constituent part of a nucleolus, a small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis.
2006-06-06 GO:0044451 nucleoplasm part Added DEFINITION Any constituent part of the nucleoplasm, that part of the nuclear content other than the chromosomes or the nucleolus.
2006-06-06 GO:0044422 organelle part Added DEFINITION Any constituent part of an organelle, an organized structure of distinctive morphology and function. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton, but excludes the plasma membrane.
2006-06-06 GO:0044439 peroxisomal part Added DEFINITION Any constituent part of a peroxisome, a small, membrane-bounded organelle that uses dioxygen (O2) to oxidize organic molecules; contains some enzymes that produce and others that degrade hydrogen peroxide (H2O2).
2006-06-06 GO:0048838 release of seed from dormancy Added DEFINITION The processes by which the dormant state comes to an end in a seed.
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