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Search results 3301 to 3400 out of 44733 for *

Category restricted to GOTerm (x)

0.017s

Categories

Category: GOTerm
Type Details Score
GO Term
Description: The cell differentiation process that results in commitment of a cell to become part of the ectoderm.
GO Term
Description: The cell fate determination process that results in a cell becoming capable of differentiating autonomously into an ectoderm cell regardless of its environment; upon determination, the cell fate cannot be reversed.
GO Term
Description: The cell fate determination process that results in a cell becoming capable of differentiating autonomously into an endoderm cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed.
GO Term
Description: The cell fate determination process that results in a cell becoming becomes capable of differentiating autonomously into an ectoderm cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed.
GO Term
Description: Catalysis of the reaction: a L-amino acid + H2O + O2 = a 2-oxo acid + NH3 + hydrogen peroxide.
GO Term
Description: The modification process that results in the conversion of serine, carried by a specialized tRNA(ser) (which can read a UGA anticodon), to selenocysteine.
GO Term
Description: The modification process that results in the conversion of lysine, carried by a specialized lysine-accepting tRNA (possessing a CUA anticodon), to pyrrolysine (a lysine with an amide linkage to a (4R,5R)-4-substituted pyrroline-5-carboxylate).
GO Term
Description: An actin filament bundle in which the filaments are loosely packed (approximately 30-60 nm apart) and arranged with opposing polarities; the loose packing allows myosin (usually myosin-II) to enter the bundle.
GO Term
Description: Catalysis of the reaction: ATP + ceramide = ADP + ceramide-1-phosphate.
GO Term
Description: Catalysis of the reaction: ATP = pppA(2'p5'A)n oligomers. This reaction requires the binding of double-stranded RNA.
GO Term
Description: Joining of the large subunit, with release of IF2/eIF2 and IF3/eIF3. This leaves the functional ribosome at the AUG, with the methionyl/formyl-methionyl-tRNA positioned at the P site.
GO Term
Description: Catalysis of the reaction: N-acetyllactosamine + 3'-phosphoadenosine 5'-phosphosulfate = 3-sulfo-N-acetyllactosamine + adenosine 3',5'-bisphosphate. N-acetyllactosamine residues are found in a number of different carbohydrate types. N-acetyllactosamine can also be written as Gal-beta-(1,4)-GlcNAc.
GO Term
Description: Catalysis of the reaction: S-adenosyl-L-methionine + RRACH = S-adenosyl-L-homocysteine + RRm6ACH; R is a purine, and H is C, A, or U.
GO Term
Description: The morphogenetic process in which the anatomical structures of a polarized epithelium are generated and organized. A polarized epithelium is an epithelium where the epithelial sheet is oriented with respect to the planar axis.
GO Term
Description: Coordinated organization of groups of cells in a tissue, such that they all orient to similar coordinates.
GO Term
Description: The process, occurring after animal embryonic development, by which anatomical structures are generated and organized.
GO Term
Description: Orientation of hairs in the imaginal disc-derived wing along a proximal-distal axis, such that each cell of the wing produces one wing hair which points in a distal direction.
GO Term
Description: A process that is carried out at the cellular level that results in the assembly, arrangement of constituent parts, or disassembly of an imaginal disc-derived wing hair. A wing hair is an actin-rich, polarized, non-sensory apical projection that protrudes from each of the approximately 30,000 wing epithelial cells. An example of this is found in Drosophila melanogaster.
GO Term
Description: The process in which the anatomical structures of appendages are generated and organized. An appendage is an organ or part that is attached to the trunk of an organism, such as a limb or a branch.
GO Term
Description: The process whose specific outcome is the progression of an appendage over time, from its formation in the imaginal disc to the mature structure. An appendage is an organ or part that is attached to the trunk of an organism.
GO Term
Description: Progression of the wing disc over time, from its initial formation through to its metamorphosis to form adult structures including the wing hinge, wing blade and pleura.
GO Term
Description: The process whose specific outcome is the progression of an appendage over time, from its formation to the mature structure. An appendage is an organ or part that is attached to the trunk of an organism, such as a limb or a branch.
GO Term
Description: The process in which the anatomical structures of appendages are generated and organized. An appendage is an organ or part that is attached to the trunk of an organism.
GO Term
Description: The process in which a relatively unspecialized cell acquires specialized features of a hair cell.
GO Term
Description: A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of non-sensory hairs. These hairs are polarized cellular extensions that cover much of the insect epidermis.
GO Term
Description: The process, occurring during instar larval or pupal development, by which anatomical structures are generated and organized.
GO Term
Description: The process in which the anatomical structures of the imaginal disc-derived wing are generated and organized. The wing is an appendage modified for flying.
GO Term
Description: A biological process in which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's form or structure. Examples include the change from tadpole to frog, and the change from larva to adult. An example of this is found in Drosophila melanogaster.
GO Term
Description: The process in which the anatomical structures derived from the wing disc are generated and organized. This includes the transformation of a wing imaginal disc from a monolayered epithelium in the larvae of holometabolous insects into recognizable adult structures including the wing hinge, wing blade and pleura.
GO Term
Description: The process, occurring after embryonic development, by which the anatomical structures of an appendage are generated and organized. An appendage is an organ or part that is attached to the trunk of an organism, such as a limb or a branch.
GO Term
Description: The process whose specific outcome is the progression of the imaginal disc over time, from its formation to the metamorphosis to form adult structures. Imaginal discs are epithelial infoldings in the larvae of holometabolous insects that develop into adult structures (legs, antennae, wings, etc.).
GO Term
Description: The process in which the anatomical structures derived from an imaginal disc are generated and organized. The imaginal discs are epithelial infoldings in the larvae of holometabolous insects that develop into adult appendages (legs, antennae, wings, etc.) during metamorphosis from larval to adult form.
GO Term
Description: Development, taking place during the post-embryonic phase of an animal tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
GO Term
Description: The process whose specific outcome is the progression of the instar larva or pupa over time, from its formation to the mature structure. An example of this process is found in Drosophila melanogaster.
GO Term
Description: Morphogenesis, during the post-embryonic phase, of an animal tissue or tissues that work together to perform a specific function or functions. Morphogenesis pertains to process in which anatomical structures are generated and organized. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions.
GO Term
Description: A condensed form of chromatin, occurring in the nucleus during interphase, that stains strongly with basophilic dyes. The DNA of heterochromatin is typically replicated at a later stage in the cell-division cycle than euchromatin.
GO Term
Description: Chromatin that is part of a sex chromosome.
GO Term
Description: A structure found in a female mammalian cell containing an unpaired X chromosome that has become densely heterochromatic, silenced and localized at the nuclear periphery.
GO Term
Description: A structure found in a male mammalian spermatocyte containing an unpaired X chromosome that has become densely heterochromatic, silenced and localized at the nuclear periphery.
GO Term
Description: The process in which a relatively unspecialized cell acquires the specialized features of an oenocyte. Oenocytes are large secretory cells found in clusters underlying the epidermis of larval abdominal segments.
GO Term
Description: The initial developmental process that will lead to the formation of an eye.
GO Term
Description: The developmental process in which an ectodermal placode forms. An ectodermal placode is a thickening of the ectoderm that is the primordium of many structures derived from the ectoderm.
GO Term
Description: The process in which the anatomical structures of an ectodermal placode are generated and organized. An ectodermal placode is a thickening of the ectoderm that is the primordium of many structures derived from the ectoderm.
GO Term
Description: The progression of an ectodermal placode over time from its initial formation until its mature state. An ectodermal placode is a thickening of the ectoderm that is the primordium of many structures derived from the ectoderm.
GO Term
Description: Establishment of the optic placode, a thickened area of densely packed ectoderm cells directly overlying the optic vesicle in the early embryo. In Drosophila, for example, the placode appears in the dorsolateral region of the head in late stage 11 embryos and is the precursor to the larval visual system.
GO Term
Description: The process in which the anatomical structures of the eye are generated and organized.
GO Term
Description: The morphogenetic process in which the anatomical structures of the compound eye are generated and organized. The adult compound eye is a precise assembly of 700-800 ommatidia. Each ommatidium is composed of 20 cells, identified by cell type and position. An example of compound eye morphogenesis is found in Drosophila melanogaster.
GO Term
Description: The process whose specific outcome is the progression of the compound eye over time, from its formation to the mature structure. The compound eye is an organ of sight that contains multiple repeating units, often arranged hexagonally. Each unit has its own lens and photoreceptor cell(s) and can generate either a single pixelated image or multiple images, per eye.
GO Term
Description: The morphogenetic process in which the anatomical structures of the larval eye in Drosophila are generated and organized. The larval eye in Drosophila is a relatively simple sensory system composed of Bolwig's organs: two clusters, each composed of 12 photoreceptor cells from which axons extend in a single fascicle to the brain.
GO Term
Description: The process whose specific outcome is the progression of the Bolwig's organ over time, from its formation to the mature structure. The larval eye in Drosophila is a relatively simple sensory system composed of Bolwig's organs: two clusters, each composed of 12 photoreceptor cells from which axons extend in a single fascicle to the brain.
GO Term
Description: The process whose specific outcome is the progression of the optic placode over time, from its formation to the mature structure. During embryonic stage 12 the placode starts to invaginate, forming a pouch. Cells that will form Bolwig's organ segregate from the ventral lip of this pouch, remaining in the head epidermis. The remainder of the invagination loses contact with the outer surface and becomes the optic lobe. An example of this process is found in Drosophila melanogaster.
GO Term
Description: A specialised 9+0 non-motile cilium found in photoreceptor cells. A ciliary transition zone called 'photoreceptor connecting cilium' links the photoreceptor outer segment to the inner segment.
GO Term
Description: The process in which a relatively unspecialized cell acquires the specialized features of a photoreceptor cell, as found in the eye, the primary visual organ of most organisms.
GO Term
Description: The process in which a relatively unspecialized cell acquires the specialized features of an eye photoreceptor cell.
GO Term
Description: The specialization of organization of a photoreceptor, a cell that responds to incident electromagnetic radiation, particularly visible light. An example of this process is found in Drosophila melanogaster.
GO Term
Description: The process in which the developmental fate of a cell becomes restricted such that it will develop into a compound eye photoreceptor cell. A photoreceptor cell is a cell that responds to incident electromagnetic radiation. Different classes of photoreceptor have different spectral sensitivities and express different photosensitive pigments.
GO Term
Description: The process in which the developmental fate of a cell becomes restricted such that it will develop into an eye photoreceptor cell. A photoreceptor cell is a cell that responds to incident electromagnetic radiation. Different classes of photoreceptor have different spectral sensitivities and express different photosensitive pigments.
GO Term
Description: The process in which the developmental fate of a cell becomes restricted such that it will develop into a neuron.
GO Term
Description: The process in which the developmental fate of a cell becomes restricted such that it will develop into a photoreceptor cell. A photoreceptor cell is a cell that responds to incident electromagnetic radiation. Different classes of photoreceptor have different spectral sensitivities and express different photosensitive pigments.
GO Term
Description: The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.
GO Term
Description: The progression of a somite from its initial formation to the mature structure. Somites are mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo.
GO Term
Description: The regionalization process that divides an organism or part of an organism into a series of semi-repetitive parts, or segments, often arranged along a longitudinal axis.
GO Term
Description: The pattern specification process that results in the subdivision of an axis or axes in space to define an area or volume in which specific patterns of cell differentiation will take place or in which cells interpret a specific environment.
GO Term
Description: The process in which individual somites establish identity during embryogenesis.
GO Term
Description: Catalysis of the reaction: retinal + NAD+ + H2O = retinoate + NADH. Acts on both 11-trans and 13-cis forms of retinal.
GO Term
Description: Any process that activates or increases the frequency, rate or extent of animal organ morphogenesis.
GO Term
Description: The interaction of two or more cells or tissues that causes them to change their fates and specify the development of an organ.
GO Term
Description: A developmental process involving two tissues in which one tissue (the inducer) produces a signal that directs cell fate commitment of cells in the second tissue (the responder).
GO Term
Description: The regionalization process in which the identity of an animal organ primordium is specified. Identity is considered to be the aggregate of characteristics by which a structure is recognized.
GO Term
Description: Any process that modulates the rate, frequency or extent of animal organ formation. Organ formation is the process pertaining to the initial formation of an organ from unspecified parts. The process begins with the specific processes that contribute to the appearance of the discrete structure, such as inductive events, and ends when the structural rudiment of the organ is recognizable, such as a condensation of mesenchymal cells into the organ rudiment.
GO Term
Description: The process pertaining to the initial formation of an animal organ from unspecified parts. The process begins with the specific processes that contribute to the appearance of the discrete structure, such as inductive events, and ends when the structural rudiment of the organ is recognizable, such as a condensation of mesenchymal cells into the organ rudiment. Organs are a natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole. The heart and lungs are organs of animals, and the petal and leaf are organs of plants. In animals the organs are generally made up of several tissues, one of which usually predominates, and determines the principal function of the organ.
GO Term
Description: Any process that modulates the frequency, rate or extent of animal organ morphogenesis.
GO Term
Description: Catalysis of the reaction: 2-amino-3-carboxymuconate 6-semialdehyde + H(+) = 2-aminomuconate 6-semialdehyde + CO(2).
GO Term
Description: Enables the directed movement of a neurotransmitter into, out of or within a cell, or between cells. Neurotransmitters are any chemical substance that is capable of transmitting (or inhibiting the transmission of) a nerve impulse from a neuron to another cell.
GO Term
Description: Enables the transfer of beta-alanine from one side of a membrane to the other. Beta-alanine is 3-aminopropanoic acid.
GO Term
Description: The directed movement of beta-alanine, 3-aminopropanoic acid, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
GO Term
Description: The aggregation, arrangement and bonding together of a set of components to form a membrane raft, a small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalizes cellular processes.
GO Term
Description: A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of membrane rafts, small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes.
GO Term
Description: A cellular process that results in the biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of a membrane.
GO Term
Description: The process that establishes the spatial arrangement of membrane rafts within a cellular membrane.
GO Term
Description: The clustering and aggregation of membrane rafts at a single cellular pole during activation of particular cell types, such as lymphocytes.
GO Term
Description: Any process in which membrane rafts are transported to, or maintained in, a specific location. Membrane rafts are small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes.
GO Term
Description: The directed orientation of lymphocyte signaling molecules and associated membrane rafts towards a chemokine gradient or a contact point with an appropriate activating cell.
GO Term
Description: The directed orientation of T cell signaling molecules and associated membrane rafts towards a chemokine gradient or a contact point with antigen presenting cell.
GO Term
Description: The directed orientation of B cell signaling molecules and associated membrane rafts towards a chemokine gradient of a contact point with an antigen displaying cell.
GO Term
Description: The directed orientation of natural killer cell signaling molecules and associated membrane rafts towards a chemokine gradient or a contact point with a cell displaying natural killer cell activating ligands.
GO Term
Description: The formation of an area of close contact between a lymphocyte (T-, B-, or natural killer cell) and a target cell through the clustering of particular signaling and adhesion molecules and their associated membrane rafts on both the lymphocyte and target cell, which facilitates activation of the lymphocyte, transfer of membrane from the target cell to the lymphocyte, and in some situations killing of the target cell through release of secretory granules and/or death-pathway ligand-receptor interaction.
GO Term
Description: The change in morphology and behavior of a dendritic cell resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor.
GO Term
Description: A change in the morphology or behavior of a leukocyte resulting from exposure to an activating factor such as a cellular or soluble ligand, leading to the initiation or perpetuation of an inflammatory response.
GO Term
Description: A change in morphology and behavior of a glial cell resulting from exposure to a cytokine, chemokine, cellular ligand, or soluble factor.
GO Term
Description: The immediate defensive reaction by neural vertebrate tissue to infection or injury caused by chemical or physical agents.
GO Term
Description: The process of regulating the proliferation and elimination of cells of the immune system such that the total number of cells of a particular cell type within a whole or part of an organism is stable over time in the absence of an outside stimulus.
GO Term
Description: Any biological process involved in the maintenance of the steady-state number of cells within a population of cells.
GO Term
Description: The non-specific expansion of T cell populations within a whole or part of an organism to reach to a total number of T cells which will then remain stable over time in the absence of an external stimulus.
GO Term
Description: The process of regulating the proliferation and elimination of lymphocytes such that the total number of lymphocytes within a whole or part of an organism is stable over time in the absence of an outside stimulus.
GO Term
Description: The resealing of a cell plasma membrane after cellular wounding due to, for instance, mechanical stress.
GO Term
Description: The process in which a relatively unspecialized cell acquires the specialized features of a natural killer cell.
GO Term
Description: The process of regulating the proliferation and elimination of myeloid cells such that the total number of myeloid cells within a whole or part of an organism is stable over time in the absence of an outside stimulus.
GO Term
Description: The process of regulating the proliferation and elimination of neutrophils such that the total number of neutrophils within a whole or part of an organism is stable over time in the absence of an outside stimulus.
GO Term
Description: Any apoptotic process in a leukocyte, an achromatic cell of the myeloid or lymphoid lineages capable of ameboid movement, found in blood or other tissue.
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