mutant


mutant
1. A phenotype in which a mutation is manifested. 2. A gene that is rare and usually harmful, in contrast to a wild-type gene, not necessarily generated recently.
- active m. a m. with overt phenotypic expression.
- amber m. a m. with a mutation resulting in a UAG codon.
- auxotrophic m. m. with a nutritional requirement not present in the wild-type organism. SYN: defective organism, deficiency m..
- cold-sensitive m. a m. that is defective at low temperature but functional at normal temperature. Cf.:temperature-sensitive m..
- conditional-lethal m. SYN: conditionally lethal m..
- conditionally lethal m. a viral m. that can replicate under some (permissive) conditions but not under other (restrictive or nonpermissive) conditions, the parent (wild-type) strain being able to replicate under both conditions. See suppressor-sensitive m., temperature-sensitive m.. SYN: conditional-lethal m..
- deficiency m. SYN: auxotrophic m..
- inactive m. a m. that is not phenotypically manifest. SYN: silent m..
- petite m. a m. with a mutation that caused the microorganism to grow very slowly or to form small colonies. [Fr. small]
- quick-stop m. a bacterial m. that ceases replication immediately when the temperature reaches a certain level. Cf.:temperature-sensitive m..
- silent m. SYN: inactive m..
- suppressor-sensitive m. a conditionally lethal, host range, bacteriophage m. that produces nonsense codons and can replicate only in a host bacterium able to translate the nonsense codon; the mutation's effects are lethal ( i.e., prevent replication of the virus) in a bacterium without such a suppressor mechanism.
- temperature-sensitive m. a viral m. that is able to replicate at one portion of a temperature range but not at another, the parent (wild-type) strain being able to replicate over the whole temperature range; usually a product is not made at the elevated temperature. Cf.:cold-sensitive m., quick-stop m..
- uninducible m. a m. that cannot be induced.
- virulent phage m. a m. of a phage that is unable to establish lysogeny.

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mu·tant 'myüt-ənt adj of, relating to, or produced by mutation
mutant n a mutant individual

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n.
1. an individual in which a mutation has occurred, especially when the effect of the mutation is visible.
2. a characteristic showing the effects of a mutation.
mutant adj.

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mu·tant (muґtənt) [L. mutare to change] 1. something, as an organism, cell, virus, or gene, that has undergone genetic mutation. 2. produced by mutation.

Medical dictionary. 2011.

Look at other dictionaries:

  • mutant — mutant, ante [ mytɑ̃, ɑ̃t ] adj. et n. • 1909; all. ou angl. mutant → mutation ♦ Biol. Qui a subi une mutation. Gène, caractère, type mutant. « Dès lors que la nouvelle espèce naît dans un seul individu mutant » (J. Rostand). N. Organisme dont un …   Encyclopédie Universelle

  • mutant — MUTÁNT, mutanţi, s.m. (biol.) Individ care provine dintr o mutaţie (2). – Din fr. mutant. Trimis de ana zecheru, 13.09.2007. Sursa: DEX 98  mutánt s. m., pl. mutánţi Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  MUTÁN//T mutantţi …   Dicționar Român

  • Mutant X — may refer to: Mutant X (comics), a Marvel Comics series Proteus (comics), a Marvel Comics fictional character, originally known as Mutant X but unrelated to the series of the same name and publisher Mutant X (TV series), a television show… …   Wikipedia

  • Mutant X — Titre original Mutant X Genre Série de science fiction Créateur(s) Avi Arad Pays d’origine  Canada …   Wikipédia en Français

  • mutant — I {{/stl 13}}{{stl 8}}rz. mż I, Mc. mutantncie {{/stl 8}}{{stl 7}} zwierzę, roślina będąca rezultatem mutacji {{/stl 7}}{{stl 20}} {{/stl 20}} {{stl 20}} {{/stl 20}}mutant II {{/stl 13}}{{stl 8}}rz. mos I a. IIIa, Mc. mutantncie; lm M. mutantnci… …   Langenscheidt Polski wyjaśnień

  • mutant — ► ADJECTIVE ▪ resulting from or showing the effect of mutation. ► NOUN ▪ a mutant form …   English terms dictionary

  • mutant — mutant. См. мутант. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • mùtant — m 〈G mn nātā〉 biol. organizam koji je pretrpio promjenu u nasljednim svojstvima …   Veliki rječnik hrvatskoga jezika

  • mutant — (n.) 1901, in the biological sense, from L. mutantem (nom. mutans) changing, prp. of mutare to change (see MUTABLE (Cf. mutable)). In the science fiction sense, it is attested from 1954. As an adjective from 1903 …   Etymology dictionary

  • mutant — mùtant m <G mn nātā> DEFINICIJA biol. organizam koji je pretrpio promjenu u nasljednim svojstvima ETIMOLOGIJA vidi mutacija …   Hrvatski jezični portal

  • mutant — [n] mutation abnormality, deformity, deviation, freak, freak of nature, monster; concepts 424,580 …   New thesaurus


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