gene deletion

The total loss or absence of a gene.

English dictionary of cancer terms . 2015.

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  • gene deletion — gene deletion, the loss of a gene or genes from the genetic inventory of a cell or animal …   Useful english dictionary

  • Gene deletion — The total loss (or absence) of a gene. Gene deletion plays a role in birth defects and in the development of cancer …   Medical dictionary

  • délétion — [ delesjɔ̃ ] n. f. • 1961; angl. deletion « suppression », du lat. deletio ♦ Biol. Perte d un fragment d A. D. N., pouvant aller d une seule paire de bases à un gène ou à un grand fragment de chromosome, constituant une cause de mutation.… …   Encyclopédie Universelle

  • Deletion (genetics) — Deletion on a chromosome In genetics, a deletion (also called gene deletion, deficiency, or deletion mutation) (sign: Δ) is a mutation (a genetic aberration) in which a part of a chromosome or a sequence of DNA is missing. Deletion is the loss of …   Wikipedia

  • Gene knockout — A gene knockout (abbreviation: KO) is a genetic technique in which one of an organism s genes is made inoperative ( knocked out of the organism). Also known as knockout organisms or simply knockouts, they are used in learning about a gene that… …   Wikipedia

  • Deletion — auf einem Chromosom. Eine Deletion (engl. delete „löschen“), auch Gendeletion, ist in der Genetik eine Variante der Genmutation bzw. Chromosomenmutation (und damit eine Chromosomenaberration), bei der eine Nukleotidsequenz bzw. ein Teil bis hin… …   Deutsch Wikipedia

  • Gene therapy — using an Adenovirus vector. A new gene is inserted into an adenovirull. If the treatment is successful, the new gene will make a functional protein. Gene therapy is the insertion, alteration, or removal of genes within an individual s cells and… …   Wikipedia

  • Gene soumis a empreinte — Gène soumis à empreinte Un gène soumis à empreinte est un gène dont l activité dépend de son origine maternelle ou paternelle alors que la plupart des gènes sont actifs quelle que soit leur origine. Le bon fonctionnement du gène nécessite à la… …   Wikipédia en Français

  • DÉLÉTION (génétique) — DÉLÉTION, génétique Déficit constitutionnel intéressant soit un chromosome, soit un gène dudit chromosome. Il produit une information génétique tronquée. Celle ci peut entraîner la synthèse de protéines anormales, dites elles mêmes, par extension …   Encyclopédie Universelle

  • Deletion mapping — In genetics and especially genetic engineering, deletion mapping is a technique used to ascertain the location of mutation sites within a gene. The principle of deletion mapping involves crossing a strain who has a point mutation in a gene, with… …   Wikipedia

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