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Search results 2701 to 2800 out of 44733 for *

Category restricted to GOTerm (x)

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Category: GOTerm
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Type Details Score
GO Term
GO:0000484 | cleavage between SSU-rRNA and 5.8S rRNA of tetracistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, 2S rRNA, LSU-rRNA)
Description: Endonucleolytic cleavage between the SSU-rRNA and the 5.8S rRNA of an rRNA molecule originally produced as a tetracistronic rRNA transcript that contained the Small SubUnit (SSU) rRNA, the 5.8S rRNA, 2S rRNA, and the Large SubUnit (LSU) rRNA, in that order, from 5' to 3' along the primary transcript.
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GO Term
GO:0000487 | maturation of 5.8S rRNA from tetracistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, 2S rRNA, LSU-rRNA)
Description: Any process involved in the maturation of a precursor 5.8S ribosomal RNA (rRNA) molecule into a mature 5.8S rRNA molecule from the pre-rRNA molecule originally produced as a tetracistronic rRNA transcript that contains the Small Subunit (SSU) rRNA, the 8.8S rRNA, the 2S rRNA, and the Large Subunit (LSU) in that order from 5' to 3' along the primary transcript.
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GO Term
GO:0000485 | cleavage between 2S rRNA and LSU-rRNA of tetracistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, 2S rRNA, LSU-rRNA)
Description: Endonucleolytic cleavage between the LSU-rRNA and the 2S rRNA of an rRNA molecule originally produced as a tetracistronic rRNA transcript that contained the Small SubUnit (SSU) rRNA, the 5.8S rRNA, 2S rRNA, and the Large SubUnit (LSU) rRNA, in that order, from 5' to 3' along the primary transcript.
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GO Term
GO:0000486 | cleavage between 5.8S rRNA and 2S rRNA of tetracistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, 2S rRNA, LSU-rRNA)
Description: Endonucleolytic cleavage between the 5.8S rRNA and the 2S rRNA of an rRNA molecule originally produced as a tetracistronic rRNA transcript that contained the Small SubUnit (SSU) rRNA, the 5.8S rRNA, 2S rRNA, and the Large SubUnit (LSU) rRNA, in that order, from 5' to 3' along the primary transcript.
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GO Term
GO:0000488 | maturation of LSU-rRNA from tetracistronic rRNA transcript (SSU-rRNA, LSU-rRNA, 4.5S-rRNA, 5S-rRNA)
Description: Any process involved in the maturation of a precursor Large SubUnit (LSU) ribosomal RNA (rRNA) molecule into a mature LSU-rRNA molecule from the pre-rRNA molecule originally produced as a tetracistronic rRNA transcript that contains the Small Subunit (SSU) rRNA, Large Subunit (LSU) the 4.5S rRNA, and the 5S rRNA in that order from 5' to 3' along the primary transcript.
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GO Term
GO:0000489 | maturation of SSU-rRNA from tetracistronic rRNA transcript (SSU-rRNA, LSU-rRNA, 4.5S-rRNA, 5S-rRNA)
Description: Any process involved in the maturation of a precursor Small SubUnit (SSU) ribosomal RNA (rRNA) molecule into a mature SSU-rRNA molecule from the pre-rRNA molecule originally produced as a tetracistronic rRNA transcript that contains the Small Subunit (SSU) rRNA, Large Subunit (LSU) the 4.5S rRNA, and the 5S rRNA in that order from 5' to 3' along the primary transcript.
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GO Term
GO:0000491 | small nucleolar ribonucleoprotein complex assembly
Description: The aggregation, arrangement and bonding together of proteins and a snoRNA to form a small nucleolar ribonucleoprotein (snoRNP) complex.
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GO Term
GO:0031126 | snoRNA 3'-end processing
Description: Any process involved in forming the mature 3' end of a snoRNA molecule.
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GO Term
GO:0000494 | box C/D snoRNA 3'-end processing
Description: Any process involved in forming the mature 3' end of a box C/D snoRNA molecule.
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GO Term
GO:0034963 | box C/D snoRNA processing
Description: Any process involved in the conversion of a primary box C/D type small nucleolar RNA (snoRNA) transcript into a mature box C/D snoRNA.
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GO Term
GO:0033967 | box C/D snoRNA metabolic process
Description: The chemical reactions and pathways involving box C/D type small nucleolar RNA.
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GO Term
GO:0043144 | snoRNA processing
Description: Any process involved in the conversion of a primary small nucleolar RNA (snoRNA) transcript into a mature snoRNA.
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GO Term
GO:0016074 | snoRNA metabolic process
Description: The chemical reactions and pathways involving snoRNA, small nucleolar RNA, any of a class of small RNAs that are associated with the eukaryotic nucleus as components of small nucleolar ribonucleoproteins. They participate in the processing or modifications of many RNAs, mostly ribosomal RNAs (rRNAs) though snoRNAs are also known to target other classes of RNA, including spliceosomal RNAs, tRNAs, and mRNAs via a stretch of sequence that is complementary to a sequence in the targeted RNA.
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GO Term
GO:0034964 | box H/ACA snoRNA processing
Description: Any process involved in the conversion of a primary box H/ACA type small nucleolar RNA (snoRNA) transcript into a mature box H/ACA snoRNA.
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GO Term
GO:0000495 | box H/ACA snoRNA 3'-end processing
Description: Any process involved in forming the mature 3' end of a box H/ACA snoRNA molecule.
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GO Term
GO:0033979 | box H/ACA snoRNA metabolic process
Description: The chemical reactions and pathways involving box H/ACA type small nucleolar RNA.
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GO Term
GO:0000501 | flocculation via cell wall protein-carbohydrate interaction
Description: The reversible, non-sexual aggregation of cells mediated by the binding of proteins in the cell wall of one cell to carbohydrates in the cell wall of another cell. An example of this process is found in Saccharomyces cerevisiae, in which it is pH- and calcium-dependent.
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GO Term
GO:0009880 | embryonic pattern specification
Description: The process that results in the patterns of cell differentiation that will arise in an embryo.
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GO Term
GO:0000578 | embryonic axis specification
Description: The establishment, maintenance and elaboration of a pattern along a line or a point in an embryo.
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GO Term
GO:0009798 | axis specification
Description: The establishment, maintenance and elaboration of a pattern along a line or around a point.
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GO Term
GO:0000701 | purine-specific mismatch base pair DNA N-glycosylase activity
Description: Catalysis of the removal of purines present in mismatches, especially opposite oxidized purines, by cleaving the N-C1' glycosidic bond between the target damaged DNA base and the deoxyribose sugar. The reaction releases a free base and leaves an apurinic (AP) site.
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GO Term
GO:0000704 | pyrimidine dimer DNA N-glycosylase activity
Description: Catalysis of the removal of pyrimidine dimers by removing the 5' pyrimidine of the dimer by cleaving the N-C1' glycosidic bond between the 5' pyrimidine of the dimer and the deoxyribose sugar. The reaction releases the 5' pyrimidine of the dimer and leaves an apurinic (AP) site. The reaction involves the formation of a covalent enzyme substrate intermediate. Release of the enzyme and free base by a beta-elimination or a beta, gamma-elimination mechanism results in the cleavage of the DNA backbone 3' of the apyrimidinic (AP) site.
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GO Term
GO:0000705 | achiasmate meiosis I
Description: The first division of meiosis in which homologous chromosomes are paired and segregated from each other, occurring in the constitutive absence of chiasmata.
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GO Term
GO:0000706 | meiotic DNA double-strand break processing
Description: The cell cycle process in which the 5' to 3' exonucleolytic resection of the DNA at the site of the break to form a 3' single-strand DNA overhang occurs. This takes place during meiosis.
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GO Term
GO:0000707 | meiotic DNA recombinase assembly
Description: During meiosis, the aggregation, arrangement and bonding together of strand exchange proteins (recombinases) to form higher order oligomers on single-stranded DNA.
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GO Term
GO:0045003 | double-strand break repair via synthesis-dependent strand annealing
Description: SDSA is a major mechanism of double-strand break repair in mitosis which allows for the error-free repair of a double-strand break without the exchange of adjacent sequences. The broken DNA searches for and base pairs with a homologous region in an intact chromosome. DNA synthesis initiates from the 3' end of the invading DNA strand, using the intact chromosome as the template. Newly synthesized DNA is then displaced from the template and anneal with its complement on the other side of the double-strand break.
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GO Term
GO:0090735 | DNA repair complex assembly
Description: The aggregation, arrangement and bonding together of a set of components to form a DNA repair complex.
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GO Term
GO:0042148 | strand invasion
Description: The process in which the nucleoprotein complex (composed of the broken single-strand DNA and the recombinase) searches and identifies a region of homology in intact duplex DNA. The broken single-strand DNA displaces the like strand and forms Watson-Crick base pairs with its complement, forming a duplex in which each strand is from one of the two recombining DNA molecules.
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GO Term
GO:0000708 | meiotic strand invasion
Description: The cell cycle process in which the nucleoprotein complex (composed of the broken single-strand DNA and the recombinase) searches and identifies a region of homology in intact duplex DNA. The broken single-strand DNA displaces the like strand and forms Watson-Crick base pairs with its complement, forming a duplex in which each strand is from one of the two recombining DNA molecules. This occurs during meiosis.
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GO Term
GO:0000709 | meiotic joint molecule formation
Description: The conversion of the paired broken DNA and homologous duplex DNA into a four-stranded branched intermediate, known as a joint molecule, formed during meiotic recombination. These joint molecules contain Holliday junctions on either side of heteroduplex DNA.
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GO Term
GO:0000710 | meiotic mismatch repair
Description: A system for the identification and correction of base-base mismatches, small insertion-deletion loops, and regions of heterology that are present in duplex DNA formed with strands from two recombining molecules. Correction of the mismatch can result in non-Mendelian segregation of alleles following meiosis.
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GO Term
GO:0000713 | meiotic heteroduplex formation
Description: During meiosis, the formation of a stable duplex DNA that contains one strand from each of the two recombining DNA molecules.
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GO Term
GO:0000714 | meiotic strand displacement
Description: The cell cycle process in which the broken 3' single-strand DNA molecule that formed heteroduplex DNA with its complement in an intact duplex DNA is rejected. The Watson-Crick base pairing in the original duplex is restored. The rejected 3' single-strand DNA molecule reanneals with its original complement to reform two intact duplex molecules. This occurs during meiosis.
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GO Term
GO:0000732 | strand displacement
Description: The rejection of the broken 3' single-strand DNA molecule that formed heteroduplex DNA with its complement in an intact duplex DNA. The Watson-Crick base pairing in the original duplex is restored. The rejected 3' single-strand DNA molecule reanneals with its original complement to reform two intact duplex molecules.
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GO Term
GO:0000715 | nucleotide-excision repair, DNA damage recognition
Description: The identification of lesions in DNA, such as pyrimidine-dimers, intrastrand cross-links, and bulky adducts. The wide range of substrate specificity suggests the repair complex recognizes distortions in the DNA helix.
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GO Term
GO:0000716 | transcription-coupled nucleotide-excision repair, DNA damage recognition
Description: The identification of lesions on the actively transcribed strand of the DNA duplex as well as a small subset of lesions not recognized by the general nucleotide-excision repair pathway.
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GO Term
GO:0000717 | nucleotide-excision repair, DNA duplex unwinding
Description: The unwinding, or local denaturation, of the DNA duplex to create a bubble around the site of the DNA damage.
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GO Term
GO:0044349 | DNA excision
Description: The removal of a section of DNA from a larger DNA molecule by the making of dual incisions that flank the section to be excised.
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GO Term
GO:0000718 | nucleotide-excision repair, DNA damage removal
Description: The removal of the oligonucleotide that contains the DNA damage. The oligonucleotide is formed by dual incisions that flank the site of DNA damage.
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GO Term
GO:0006290 | pyrimidine dimer repair
Description: The repair of UV-induced T-T, C-T and C-C dimers.
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GO Term
GO:0000720 | pyrimidine dimer repair by nucleotide-excision repair
Description: The repair of UV-induced T-T, C-T, and C-C dimers by the recognition and removal of the damaged DNA strand from the DNA helix as an oligonucleotide. The small gap left in the DNA helix is filled in by the sequential action of DNA polymerase and DNA ligase.
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GO Term
GO:0000721 | (R,R)-butanediol dehydrogenase activity
Description: Catalysis of the reversible reaction: (R,R)-butane-2,3-diol + NAD+ = (R)-acetoin + NADH + H(+).
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GO Term
GO:0000722 | telomere maintenance via recombination
Description: Any recombinational process that contributes to the maintenance of proper telomeric length.
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GO Term
GO:0000726 | non-recombinational repair
Description: A DNA repair process in which that does not require the exchange of genetic material between the broken DNA molecule and a homologous region of DNA.
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GO Term
GO:0000728 | gene conversion at mating-type locus, DNA double-strand break formation
Description: The site-specific endonucleolytic cleavage of DNA at the mating-type locus which initiates the conversion of one mating-type allele to another.
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GO Term
GO:0007534 | gene conversion at mating-type locus
Description: The conversion of the mating-type locus from one allele to another resulting from the recombinational repair of a site-specific double-strand break at the mating-type locus with information from a silent donor sequence. There is no reciprocal exchange of information because the mating-type locus copies information from the donor sequence and the donor sequence remains unchanged.
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GO Term
GO:0035822 | gene conversion
Description: A DNA recombination process that results in the unidirectional transfer of genetic material from a donor sequence to a highly homologous acceptor.
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GO Term
GO:0022413 | reproductive process in single-celled organism
Description: A process, occurring at the cellular level, that is involved in the reproductive function of a single-celled organism.
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GO Term
GO:0032505 | reproduction of a single-celled organism
Description: The biological process in which new individuals are produced by one or two single-celled organisms. The new individuals inherit some proportion of their genetic material from the parent or parents.
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GO Term
GO:0007533 | mating type switching
Description: The conversion of a single-cell organism from one mating type to another by the precise replacement of a DNA sequence at the expressed mating type locus with a copy of a sequence from a donor locus.
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GO Term
GO:0000733 | DNA strand renaturation
Description: The identification and annealing of complementary base pairs in single-strand DNA.
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GO Term
GO:0000734 | gene conversion at mating-type locus, DNA repair synthesis
Description: Synthesis of DNA that proceeds from the broken 3' single-strand DNA end uses the homologous intact duplex as the template during gene conversion at the mating-type locus.
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GO Term
GO:0000735 | removal of nonhomologous ends
Description: The removal of nonhomologous sequences at the broken 3' single-strand DNA end before DNA repair synthesis can occur.
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GO Term
GO:0000738 | DNA catabolic process, exonucleolytic
Description: The chemical reactions and pathways resulting in the breakdown of DNA, involving the hydrolysis of terminal 3',5'-phosphodiester bonds in one or two strands of deoxyribonucleotides.
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GO Term
GO:0000740 | nuclear membrane fusion
Description: The joining of 2 or more lipid bilayer membranes that surround the nucleus.
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GO Term
GO:0000741 | karyogamy
Description: The creation of a single nucleus from multiple nuclei as a result of fusing the lipid bilayers that surround each nuclei.
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GO Term
GO:0000743 | nuclear migration involved in conjugation with cellular fusion
Description: The microtubule-based movement of nuclei towards one another as a prelude to karyogamy in organisms undergoing conjugation with cellular fusion.
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GO Term
GO:0030473 | nuclear migration along microtubule
Description: The directed movement of the nucleus along microtubules within the cell, mediated by motor proteins.
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GO Term
GO:0051647 | nucleus localization
Description: Any process in which the nucleus is transported to, and/or maintained in, a specific location within the cell.
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GO Term
GO:0000744 | karyogamy involved in conjugation with mutual genetic exchange
Description: During sexual reproduction, the creation of a single nucleus from two nuclei as a result of fusing the nuclear envelopes that surround each nuclei. This takes place following the mutual exchange of one of the two nuclei produced by the mitosis that follows the second meiotic nuclear division. This occurs in ciliated protozoans such as Tetrahymena.
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GO Term
GO:0000748 | conjugation with mutual genetic exchange
Description: A conjugation process that results in the mutual exchange and union of only genetic information between compatible mating types. Conjugation without cellular fusion requires direct cellular contact between the organisms without plasma membrane fusion. The organisms involved in conjugation without cellular fusion separate after nuclear exchange.
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GO Term
GO:0000745 | nuclear migration involved in conjugation with mutual genetic exchange
Description: The net movement of nuclei towards one another, leading to the bilateral transfer of genetic material in organisms undergoing conjugation without cellular fusion.
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GO Term
GO:0032005 | signal transduction involved in positive regulation of conjugation with cellular fusion
Description: The series of molecular signals that bring about the relay, amplification or dampening of a signal generated in response to a cue, such as starvation or pheromone exposure, in organisms that undergo conjugation with cellular fusion.
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GO Term
GO:0071850 | mitotic cell cycle arrest
Description: The process in which the mitotic cell cycle is halted during one of the normal phases (G1, S, G2, M).
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GO Term
GO:0000751 | mitotic cell cycle G1 arrest in response to pheromone
Description: The cell cycle regulatory process in which the mitotic cell cycle is halted during G1 as a result of a pheromone stimulus. An example of this process is found in Saccharomyces cerevisiae.
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GO Term
GO:0000771 | agglutination involved in conjugation
Description: The aggregation or adhesion of compatible mating types via complementary cell-cell interactions prior to the formation of irreversible cellular contacts during conjugation.
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GO Term
GO:0098610 | adhesion between unicellular organisms
Description: The attachment of two unicellular organisms to each other.
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GO Term
GO:0098740 | multi organism cell adhesion
Description: Cell adhesion that involves cells from multiple organisms or that is mediated by gene products from multiple organisms.
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GO Term
GO:0000753 | cell morphogenesis involved in conjugation with cellular fusion
Description: The change in form (cell shape and size) that occurs during sexual reproduction in order to facilitate direct contact between the compatible mating types in organisms that undergo conjugation cellular fusion.
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GO Term
GO:0000767 | cell morphogenesis involved in conjugation
Description: The change in form (cell shape and size) that occurs during sexual reproduction in order to facilitate direct contact between the compatible mating types.
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GO Term
GO:0000755 | cytogamy
Description: During conjugation with cellular fusion, the process resulting in creating a single cell from complementary mating types. The localized remodeling and dissolution of external protective structures allow the fusion of the plasma membranes and cytoplasmic mixing. An example of this process is found in Saccharomyces cerevisiae.
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GO Term
GO:0000756 | response to pheromone regulating conjugation with mutual genetic exchange
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 pheromone stimulus regulating the process of conjugation without cellular fusion.
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GO Term
GO:0000758 | agglutination involved in conjugation with mutual genetic exchange
Description: During conjugation without cellular fusion, the aggregation or adhesion of compatible mating types via complementary cell-cell interactions.
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GO Term
GO:0000759 | cell morphogenesis involved in conjugation with mutual genetic exchange
Description: The change in form (cell shape and size) that occurs during sexual reproduction in order to facilitate direct contact between the compatible mating types in organisms that undergo conjugation without cellular fusion.
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GO Term
GO:0000760 | adaptation to pheromone regulating conjugation with mutual genetic exchange
Description: In organisms that undergo conjugation without cellular fusion, the process resulting in desensitization following exposure to pheromone stimulus that act to down-regulate further stimulation or block initial conjugation responses.
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GO Term
GO:0022401 | negative adaptation of signaling pathway
Description: The negative regulation of a signal transduction pathway in response to a stimulus upon prolonged exposure to that stimulus.
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GO Term
GO:0000761 | conjugant formation
Description: During conjugation without cellular fusion, the process that results in pairing complementary mating types. Localized morphological, cytological, and cytoskeletal changes connect the mating types without cytoplasmic mixing.
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GO Term
GO:0009291 | unidirectional conjugation
Description: The process of unidirectional (polarized) transfer of genetic information involving direct cellular contact between a donor and recipient cell; the contact is followed by the formation of a cellular bridge that physically connects the cells; some or all of the chromosome(s) of one cell ('male') is then transferred into the other cell ('female'); unidirectional conjugation occurs between cells of different mating types. Examples of this process are found in Prokaryotes.
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GO Term
GO:0000762 | pheromone-induced unidirectional conjugation
Description: The process of unidirectional (polarized) transfer of genetic information in response to a pheromone. It involves direct cellular contact between a donor and recipient cell; the contact is followed by the formation of a cellular bridge that physically connects the cells; some or all of the chromosome(s) of one cell ('male') is then transferred into the other cell ('female'); unidirectional conjugation occurs between cells of different mating types.
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GO Term
GO:0009292 | genetic transfer
Description: In the absence of a sexual life cycle, the process involved in the introduction of genetic information to create a genetically different individual.
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GO Term
GO:0000765 | response to pheromone regulating pheromone-induced unidirectional conjugation
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 pheromone stimulus that regulates the process of pheromone-induced unidirectional conjugation.
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GO Term
GO:0000766 | negative adaptation of signaling pathway by response to pheromone involved in pheromone-induced unidirectional conjugation
Description: In organisms that undergo pheromone-induced unidirectional conjugation, the process involved in desensitization following exposure to pheromone stimulus that acts to down-regulate further stimulation or block initial conjugation responses.
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GO Term
GO:0000769 | syncytium formation by mitosis without cytokinesis
Description: The formation of a syncytium, a mass of cytoplasm containing several nuclei enclosed within a single plasma membrane, by one or more rounds of nuclear division without cytokinesis.
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GO Term
GO:0000770 | peptide pheromone export
Description: The directed movement of a peptide pheromone out of a cell by a secretion or export pathway used solely for the export of peptide pheromones.
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GO Term
GO:0000773 | phosphatidyl-N-methylethanolamine N-methyltransferase activity
Description: Catalysis of the reaction: S-adenosyl-L-methionine + phosphatidyl-N-methylethanolamine = S-adenosyl-L-homocysteine + phosphatidyl-N-dimethylethanolamine.
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GO Term
GO:0060590 | ATPase regulator activity
Description: Modulates the rate of ATP hydrolysis by an ATPase.
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GO Term
GO:0000778 | condensed nuclear chromosome kinetochore
Description: A multisubunit complex that is located at the centromeric region of a condensed nuclear chromosome and provides an attachment point for the spindle microtubules.
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GO Term
GO:0000780 | condensed nuclear chromosome, centromeric region
Description: The region of a condensed nuclear chromosome that includes the centromere and associated proteins, including the kinetochore. In monocentric chromosomes, this region corresponds to a single area of the chromosome, whereas in holocentric chromosomes, it is evenly distributed along the chromosome.
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GO Term
GO:0000782 | telomere cap complex
Description: A complex of DNA and protein located at the end of a linear chromosome that protects and stabilizes a linear chromosome.
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GO Term
GO:0044815 | DNA packaging complex
Description: A protein complex that plays a role in the process of DNA packaging.
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GO Term
GO:0000789 | cytoplasmic chromatin
Description: The ordered and organized complex of DNA, protein, and sometimes RNA, that forms the chromosome in the cytoplasm.
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GO Term
GO:0000787 | cytoplasmic nucleosome
Description: A complex comprised of DNA wound around a multisubunit core and associated proteins, which forms the primary packing unit of DNA in the cytoplasm into higher order structures.
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GO Term
GO:0000790 | nuclear chromatin
Description: The ordered and organized complex of DNA, protein, and sometimes RNA, that forms the chromosome in the nucleus.
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GO Term
GO:0000788 | nuclear nucleosome
Description: A complex comprised of DNA wound around a multisubunit core and associated proteins, which forms the primary packing unit of DNA in the nucleus into higher order structures.
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GO Term
GO:0000791 | euchromatin
Description: A dispersed and relatively uncompacted form of chromatin.
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GO Term
GO:0099086 | synaptonemal structure
Description: A proteinaceous scaffold found between homologous chromosomes during meiosis.
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GO Term
GO:0000797 | condensin core heterodimer
Description: The core heterodimer of a condensin complex, a multisubunit protein complex that plays a central role in chromosome condensation.
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GO Term
GO:0000798 | nuclear cohesin complex
Description: A cohesin complex required for cohesion between sister chromatids that remain in the nucleus.
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GO Term
GO:0000799 | nuclear condensin complex
Description: A multisubunit protein complex that plays a central role in the condensation of chromosomes that remain in the nucleus.
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GO Term
GO:0000800 | lateral element
Description: A proteinaceous core found between sister chromatids during meiotic prophase.
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