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Search results 201 to 300 out of 370 for reactive oxygen species

Category restricted to GOTerm (x)

0.031s

Categories

Category: GOTerm
Type Details Score
GO Term
Description: Any process, acting at the cellular level, involved in removing superoxide radicals (O2-) from a cell or organism, e.g. by conversion to dioxygen (O2) and hydrogen peroxide (H2O2).
GO Term
Description: Any process evolved to enable an interaction with an organism of a different species.
GO Term
Description: Set of two basal bodies found in Giardia species (trophozoite stage). It comprises the anterior and ventral basal bodies located to the right of the left nucleus of the trophozoite when viewed dorsally.
GO Term
Description: Set of two basal bodies found in Giardia species (trophozoite stage). It comprises the caudal and posteriolateral basal bodies located to the right of the left nucleus of the trophozoite when viewed dorsally.
GO Term
Description: Set of two basal bodies found in Giardia species (trophozoite stage). It comprises the anterior and ventral basal bodies located to the left of the right nucleus of the trophozoite when viewed dorsally.
GO Term
Description: Set of two basal bodies found in Giardia species (trophozoite stage). It comprises the caudal and posteriolateral basal bodies located to the left of the right nucleus of the trophozoite when viewed dorsally.
GO Term
Description: The chemical reactions and pathways resulting in the formation of culmorin, a sesquiterpenoid fungal metabolite and mycotoxin produced by some ascomycete species such as Fusarium culmorum, F. graminearum, F. venenatum and Leptosphaeria oraemaris.
GO Term
Description: Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from NADH or NADPH and one other donor, and one atom of oxygen is incorporated into one donor.
GO Term
Description: Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from reduced iron-sulfur protein and one other donor, and one atom of oxygen is incorporated into one donor.
GO Term
Description: Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from NADH or NADPH and one other donor, and two atoms of oxygen are incorporated into one donor.
GO Term
Description: Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a lipid hydroperoxide stimulus. Lipid hydroperoxide is the highly reactive primary oxygenated products of polyunsaturated fatty acids.
GO Term
Description: Combining with a pheromone to initiate a change in cell activity. A pheromone is a substance used in olfactory communication between organisms of the same species eliciting a change in sexual or social behavior.
GO Term
Description: A membrane-bounded organelle of ciliated protozoan cells that contains polyploid copies of a portion of the cell's complete genome. Transcription of genes occurs in macronuclei. Some ciliate species may contain multiple macronuclei per 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 the capsule, a protective structure surrounding some species of bacteria and fungi.
GO Term
Description: A constriction site at the junction of the plasma, flagellar and flagellar pocket membranes where the flagellum emerges from the cell body. Observed in some unicellular eukaryotic species such as Chlamydomonas, Giardia and Trypanosoma.
GO Term
Description: Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from reduced flavin or flavoprotein and one other donor, and one atom of oxygen is incorporated into one donor.
GO Term
Description: Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin.
GO Term
Description: The anaerobic chemical reactions and pathways resulting in the breakdown of glucose, with the production of acetic acid, butyric acid, carbon dioxide (CO2), and dihydrogen; effected by some saccharolytic species of Clostridium, e.g. C. butyricum.
GO Term
Description: The chemical reactions and pathways resulting in the formation of glycolipid, a class of 1,2-di-O-acylglycerols joined at oxygen 3 by a glycosidic linkage to a carbohydrate part (usually a mono-, di- or tri-saccharide).
GO Term
Description: The chemical reactions and pathways resulting in the breakdown of glycolipid, a class of 1,2-di-O-acylglycerols joined at oxygen 3 by a glycosidic linkage to a carbohydrate part (usually a mono-, di- or tri-saccharide).
GO Term
Description: The chemical reactions and pathways resulting in the formation of oxazole or thiazole, five-membered heterocyclic ring structures containing an oxygen and a sulfur, respectively, in the 1-position and a nitrogen in the 3-position.
GO Term
Description: The chemical reactions and pathways involving epoxides, compounds in which an oxygen atom is directly attached to two adjacent or non-adjacent carbon atoms of a carbon chain or ring system; thus cyclic ethers.
GO Term
Description: The process whose specific outcome is the progression of the gonad over time, from its formation to the mature structure. The gonad is an animal organ that produces gametes; in some species it also produces hormones.
GO Term
Description: Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of polysaccharides that make up the capsule, a protective structure surrounding some species of bacteria and fungi.
GO Term
Description: Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin.
GO Term
Description: Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of the deprivation of oxygen and glucose.
GO Term
Description: Enables the energy-independent facilitated diffusion, mediated by passage of a solute through a transmembrane aqueous pore or channel. Stereospecificity is not exhibited but this transport may be specific for a particular molecular species or class of molecules.
GO Term
Description: Formation of terminal branches in the open tracheal system. These are long cytoplasmic extensions that form fine tubules that transport oxygen directly to the tissues. An example of the process is found in Drosophila melanogaster.
GO Term
Description: Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin.
GO Term
Description: The sex chromosome present in both sexes of species in which the male is the heterogametic sex. Two copies of the X chromosome are present in each somatic cell of females and one copy is present in males.
GO Term
Description: The sex chromosome present in both sexes of species in which the female is the heterogametic sex. Two copies of the Z chromosome are present in each somatic cell of males and one copy is present in females.
GO Term
Description: The chemical reactions and pathways resulting in the formation of type B trichothecene vomitoxin, also known as deoxynivalenol, a poisonous substance produced by some species of fungi and predominantly occurs in grains such as wheat, barley and oats.
GO Term
Description: Any process that modulates the frequency, rate or extent of cellular response to hypoxia.
GO Term
Description: The removal of one or more electrons from a lipid, with or without the concomitant removal of a proton or protons, by reaction with an electron-accepting substance, by addition of oxygen or by removal of hydrogen.
GO Term
Description: The oxidation of hydrogen (H2) to water (H2O), using oxygen (O2) as the electron acceptor. A hydrogenase enzyme binds H2 and the hydrogen atoms are passed through an electron transfer chain to O2 to form water.
GO Term
Description: The chemical reactions and pathways resulting in the breakdown of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin; especially, the proteolytic cleavage of hemoglobin to yield free heme, peptides, and amino acids.
GO Term
Description: A heterodimeric protein complex required for the activation of DNA replication origins; comprises a catalytic subunit and a regulatory subunit (in Saccharomyces, Cdc7p and Dbf4p, respectively); complexes identified in other species generally contain proteins related to the Saccharomyces proteins.
GO Term
Description: Any process that activates, maintains or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of polysaccharides that make up the capsule, a protective structure surrounding some species of bacteria and fungi.
GO Term
Description: The removal of one or more electrons from a fatty acid, with or without the concomitant removal of a proton or protons, by reaction with an electron-accepting substance, by addition of oxygen or by removal of hydrogen.
GO Term
Description: The chemical reactions and pathways involving silicates, the salts of silicic acids. Silicates are usually composed of silicon and oxygen (Si[x]O[y]), one or more metals, and possibly hydrogen. Types of silicate include unisilicates, metasilicates and hydrous silicates.
GO Term
Description: Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to the oxygen atom of a nucleoside residue in a small RNA molecule. Reaction: S-adenosyl-L-methionine + small RNA = S-adenosyl-L-homocysteine + small RNA containing a 3'-terminal 2'-O-methylnucleotide.
GO Term
Description: Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of the deprivation of oxygen and glucose.
GO Term
Description: The series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway is induced in response to nitrosative stress; a state often resulting from exposure to high levels of nitric oxide (NO) or the highly reactive oxidant peroxynitrite, which is produced following interaction of NO with superoxide anions.
GO Term
Description: Enables the transbilayer of capsular-polysaccharides (Und-PP-GlcNAc-ManNAcA-Fuc4NAc (lipid III)) from the inner to the outer leaflet of the cytoplasmic membrane during the assembly of ECA. Capsular polysaccharides make up the capsule, a protective structure surrounding some species of bacteria and fungi.
GO Term
Description: Trimeric protein complex that possesses endonuclease activity; involved in meiotic recombination, DNA repair and checkpoint signaling. In Saccharomyces cerevisiae, the complex comprises Mre11p, Rad50p, and Xrs2p; complexes identified in other species generally contain proteins orthologous to the Saccharomyces cerevisiae proteins.
GO Term
Description: Enables the transfer of a colicin from one side of a membrane to the other. Colicins are a group of antibiotics produced by E. coli and related species that are encoded by a group of naturally occurring plasmids, e.g. Col E1.
GO Term
Description: A protein complex composed of two identical immunoglobulin heavy chains of the IgZ isotype and two identical immunoglobulin light chains, held together by disulfide bonds. The IgZ isotype is also known as the IgT isotype in certain species of fish.
GO Term
Description: A part of the ventral disc of Giardia species (trophozoite stage) consisting of a spiral array of microtubules linked to the ventral membrane. These microtubules form the base of the ventral disc dorsal microribbons that extend nearly perpendicular from the membrane.
GO Term
Description: The morphological, biochemical and genetic changes that induce the differentiation of bloodstream form trypomastigotes into procyclic trypomastigotes in some of the Trypanosomatidae species such as Trypanosoma brucei. This process occurs inside the midgut of the tsetse fly vectors in T. brucei.
GO Term
Description: A phase of elevated metabolic activity, during which oxygen consumption increases made as part of a defense response ; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
GO Term
Description: A process in which a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors other than oxygen to generate a transmembrane electrochemical gradient.
GO Term
Description: Catalysis of the reaction: a gibberellin + 2-oxoglutarate + O2 = a 3-beta-hydroxy-gibberellin + succinate + CO2.
GO Term
Description: Catalysis of the reaction: S-adenosyl-L-methionine + protein L-leucine = S-adenosyl-L-homocysteine + protein L-leucine methyl ester. This modification occurs only at the oxygen atoms of the free alpha carboxyl group of a leucine residue at the C-terminus of the protein.
GO Term
Description: The process whose specific outcome is the progression of a sporocarp over time, from its formation to the mature structure. The sporocarp is a spore bearing fruiting body organ. An example of this process is found in the Fungal species Coprinopsis cinerea.
GO Term
Description: Enables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported together in the same direction in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy.
GO Term
Description: Catalysis of the active transport of a potassium ion across a membrane by a mechanism whereby two or more species are transported in opposite directions in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy.
GO Term
Description: The directed movement of capsular polysaccharides into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Capsular polysaccharides make up the capsule, a protective structure surrounding some species of bacteria and fungi.
GO Term
Description: A cilium (also called flagellum) found in Giardia species (trophozoite stage). It originates at the left anterior basal body, extends laterally through the cytoplasm, crosses the right anterior axoneme, and exits as a membrane-bound flagellum on the anterior left side of the cell.
GO Term
Description: A cilium (also called flagellum) found in Giardia species (trophozoite stage). It originates at the right anterior basal body, extends laterally through the cytoplasm, crosses the left anterior axoneme, and exits as a membrane-bound flagellum on the anterior right side of the cell.
GO Term
Description: Region of the ventral side of the cell body found in Giardia species (trophozoite stage). It is located posterior on either side of the ventral groove; the upper boundary is the ventral disc, and the lower boundary is marked by the posteriolateral flagella.
GO Term
Description: The chemical reactions and pathways involving a thioester, a compound of general formula RC(=O)SR' in which the linking oxygen in an ester is replaced by a sulfur atom. They are the product of esterification between a carboxylic acid and a thiol.
GO Term
Description: Any process that modulates the rate frequency or extent of a phase of elevated metabolic activity, during which oxygen consumption increases; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
GO Term
Description: Any process that increases the rate frequency or extent of a phase of elevated metabolic activity, during which oxygen consumption increases; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
GO Term
Description: Any process that decreases the rate frequency or extent of a phase of elevated metabolic activity, during which oxygen consumption increases; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
GO Term
Description: Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating a decline in oxygen levels to trace amounts, <0.1%.
GO Term
Description: Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cyclopentenone stimulus. Cyclopentenones are oxylipins derived from polyunsaturated fatty acids. They are structurally similar to jasmonic acid, but contain a reactive unsaturated carbonyl structure in the cyclo-ring. Cyclopentenones include phytoprostanes and 12-oxo-phytodienoic acid.
GO Term
Description: Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.
GO Term
Description: A conserved heterotrimeric protein complex that promotes histone H3 and H4 deposition onto newly synthesized DNA during replication or DNA repair; specifically facilitates replication-dependent nucleosome assembly with the major histone H3 (H3.1). In many species the CAF-1 subunits are designated p150, p60, and p48.
GO Term
Description: A process in which planktonically growing microorganisms of the same species aggregate and grow on solid substrates under the flow of a liquid and produce extracellular polymers that facilitate attachment and matrix formation, resulting in a change in the organisms' growth rate and gene transcription.
GO Term
Description: Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating a decline in oxygen levels to trace amounts, <0.1%.
GO Term
Description: Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a L-canavanine stimulus. L-canavanine is L-homoserine substituted at oxygen with a guanidino (carbamimidamido) group.
GO Term
Description: A complex and coordinated series of cellular movements that occurs at the end of cleavage during embryonic development of most animals. The details of gastrulation vary from species to species, but usually result in the formation of the three primary germ layers, ectoderm, mesoderm and endoderm.
GO Term
Description: A process in which planktonically growing microorganisms of the same species grow at a liquid-air interface or on a solid substrate under the flow of a liquid and produce extracellular polymers that facilitate matrix formation, resulting in a change in the organisms' growth rate and gene transcription.
GO Term
Description: A process in which planktonically growing microorganisms of different species grow at a liquid-air interface or on a solid substrate under the flow of a liquid and produce extracellular polymers that facilitate matrix formation, resulting in a change in the organisms' growth rate and gene transcription.
GO Term
Description: A protein-containing complex composed of a stem-loop binding protein (in most species SLBP) and its interacting partner (SLIP1 or MIF4GD in most species) that binds to the histone mRNA (hmRNA) 3-prime-stem-loop structure. Facilitates hmRNA translation initiation and may also be involved in its processing and nuclear export.
GO Term
Description: Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cyclopentenone stimulus. Cyclopentenones are oxylipins derived from polyunsaturated fatty acids. They are structurally similar to jasmonic acid, but contain a reactive unsaturated carbonyl structure in the cyclo-ring. Cyclopentenones include phytoprostanes and 12-oxo-phytodienoic acid.
GO Term
Description: Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a nitrosative stress stimulus. Nitrosative stress is a state often resulting from exposure to high levels of nitric oxide (NO) or the highly reactive oxidant peroxynitrite, which is produced following interaction of NO with superoxide anions.
GO Term
Description: Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a nitrosative stress stimulus. Nitrosative stress is a state often resulting from exposure to high levels of nitric oxide (NO) or the highly reactive oxidant peroxynitrite, which is produced following interaction of NO with superoxide anions.
GO Term
Description: Catalysis of the reaction: A + 2-oxoglutarate + O2 = B + succinate + CO2. This is an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from 2-oxoglutarate and one other donor, and one atom of oxygen is incorporated into each donor.
GO Term
Description: The chemical reactions and pathways resulting in the formation of a thioester, a compound of general formula RC(=O)SR' in which the linking oxygen in an ester is replaced by a sulfur atom. They are the product of esterification between a carboxylic acid and a thiol.
GO Term
Description: A tRNA exon ligation process in which the splice junction phosphate is derived from the 2',3' cyclic phosphate at the 3'-end of the 5'-exon. This type of ligation to rejoin the 5' and 3' exons of a tRNA is observed in wheat, Chlamydomonas, and vertebrate species including humans.
GO Term
Description: Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cycloheximide stimulus. Cycloheximide (actidione) is an antibiotic produced by some Streptomyces species which interferes with protein synthesis in eukaryotes.
GO Term
Description: Set of four basal bodies found in Giardia species (trophozoite stage). It comprises the left lateral basal body pair and the left middle basal body pair (i.e. the anterior, ventral, caudal and posteriolateral basal bodies located to the right of the left nucleus of the trophozoite when viewed dorsally).
GO Term
Description: Set of four basal bodies found in Giardia species (trophozoite stage). It comprises the right lateral basal body pair and the right middle basal body pair (i.e. the anterior, ventral, caudal and posteriolateral basal bodies located to the left of the right nucleus of the trophozoite when viewed dorsally).
GO Term
Description: Binding to the C-terminal domain (CTD) of the largest subunit of RNA polymerase II. The CTD is comprised of repeats of a heptapeptide with the consensus sequence YSPTSPS. The number of repeats varies with the species and a minimum number of repeats is required for RNAP II function.
GO Term
Description: The morphological, biochemical and genetic changes that induce the differentiation of metacyclic parasites into amastigotes in some of the Trypanosomatidae species such as Leishmania parasites and Trypanosoma cruzi. This process occurs inside the cells of the mammalian hosts, particularly in macrophages and other phagocytic cells for Leishmania parasites.
GO Term
Description: Enables the transfer of silicates from one side of a membrane to the other. Silicates are the salts of silicic acids, and are usually composed of silicon and oxygen (Si[x]O[y]), one or more metals, and possibly hydrogen. Types of silicate include unisilicates, metasilicates and hydrous silicates.
GO Term
Description: Any process that modulates the rate, frequency or extent of a phase of elevated metabolic activity, during which oxygen consumption increases made as a defense response ; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
GO Term
Description: Any process that increases the rate, frequency or extent of a phase of elevated metabolic activity, during which oxygen consumption increases made as a defense response ; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
GO Term
Description: Any process that decreases the rate, frequency or extent of a phase of elevated metabolic activity, during which oxygen consumption increases made as a defense response ; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
GO Term
Description: Any process that stops, prevents or reduces the frequency, rate or extent of cellular response to hypoxia.
GO Term
Description: Any process that activates or increases the frequency, rate or extent of cellular response to hypoxia.
GO Term
Description: The sex chromosome present in females of species in which the female is the heterogametic sex; generally, the sex chromosome that pairs with the Z chromosome in the heterogametic sex. The W chromosome is absent from the cells of males and present in one copy in the somatic cells of females.
GO Term
Description: The sex chromosome present in males of species in which the male is the heterogametic sex; generally, the sex chromosome that pairs with the X chromosome in the heterogametic sex. The Y chromosome is absent from the cells of females and present in one copy in the somatic cells of males.
GO Term
Description: A process in which microorganisms of the same species attach to and grow on an inanimate surface such as a rock or pipe, and produce extracellular polymers that facilitate attachment and matrix formation, resulting in an alteration in the phenotype of the organisms with respect to growth rate and gene transcription.
GO Term
Description: Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cycloheximide stimulus. Cycloheximide (actidione) is an antibiotic produced by some Streptomyces species which interferes with protein synthesis in eukaryotes.
GO Term
Description: A protein complex that is involved in the post-translational delivery of tail-anchored (TA) membrane proteins to the endoplasmic reticulum. TA membrane proteins, also called type II transmembrane proteins, contain a single C-terminal transmembrane region. Some ER membrane insertion complex subunits are conserved between different species such as mammals and budding yeast.
GO Term
Description: Catalysis of an oxidation-reduction (redox) reaction in which a CH-CH group acts as a hydrogen or electron donor and reduces oxygen.
GO Term
Description: Catalysis of an oxidation-reduction (redox) reaction in which a CH-NH group acts as a hydrogen or electron donor and reduces oxygen.
GO Term
Description: Catalysis of an oxidation-reduction (redox) reaction in which a nitrogenous group, excluding NH and NH2 groups, acts as a hydrogen or electron donor and reduces oxygen.