T4 ligase

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• Ligase ribozyme — Ligase RibozymesRNA Ligase ribozymes are the first of several types of synthetic ribozymes produced by in vitro evolution and selection techniques. They are an important class of ribozymes because they catalyze the assembly of RNA fragments into… …   Wikipedia

• ligase — [ ligaz ] n. f. • 1981; mot angl.; cf. ligand ♦ Biochim. Enzyme permettant l union de deux molécules avec rupture d une liaison à haut potentiel énergétique. A. D. N. ligase : enzyme catalysant l union de deux fragments d A. D. N. ● ligase nom… …   Encyclopédie Universelle

• ligase — n. (Biochem.) An enzyme which catalyzes creation of a covalent bond between two substrates, resulting in a larger product which is a combination of the two starting materials; especially, {DNA ligase}, an enzyme which creates a phosphate bond… …   The Collaborative International Dictionary of English

• ligase — [lī′gās΄, lī′gāz΄] n. any of a class of enzymes that act as catalysts in chemical reactions in which molecules are linked together, as in the synthesis and repair of DNA or in the formation of recombinant DNA …   English World dictionary

• Ligase — In biochemistry, a ligase (from the Latin verb ligāre mdash; to bind or to glue together ) is an enzyme that can catalyse the joining of the sugar phosphate backbones of Okazaki fragments of DNA. Generally ligase catalyses the following reaction …   Wikipedia

• Ligase — En biochimie, une ligase est une enzyme qui catalyse la jonction de deux molécules (en anglais ligation) par de nouvelles liaisons covalentes avec hydrolyse concomitante de l ATP ou d autres molécules similaires. Nomenclature le nom courant des… …   Wikipédia en Français

• Ligase chain reaction — The Ligase chain reaction (LCR) is a method of DNA amplification. While the better known PCR carries out the amplificiation by polymerizing nucleotides, this method instead amplifies the nucleic acid used as the probe. For each of the two DNA… …   Wikipedia

• Ligase — Ligasen (v. lat. ligare verbinden , verketten ) sind Enzyme, die das Verknüpfen zweier Moleküle durch eine chemische Bindung katalysieren. Dazu benötigen sie Energie, die aus der Spaltung energiereicher Nukleosidtriphosphate (NTP) stammt. Dabei… …   Deutsch Wikipedia

• Ligase-Kettenreaktion — Die Ligase Kettenreaktion (englisch Ligase Chain Reaction, LCR) ist seit 1989 ein Nachweisverfahren für geringste Mengen von Erbmaterial (DNA). Sie funktioniert ähnlich wie die Polymerase Kettenreaktion, nur unter Verwendung eines anderen Enzyms… …   Deutsch Wikipedia

• ligase — /luy gays, gayz/, n. Biochem. any of a class of enzymes that catalyze the joining of two molecules by formation of a covalent bond accompanied by the hydrolysis of ATP. [1961; < L lig(are) to tie, bind + ASE] * * * ▪ biochemistry also called… …   Universalium

• ligase amplification reaction — Method for detecting small quantities of a target DNA, with utility similar to PCR. It relies on DNA ligase to join adjacent synthetic oligonucleotides after they have bound the target DNA. Their small size means that they are destabilised by… …   Dictionary of molecular biology