A polymerase associated with the process of transcription; may be RNA-dependent or DNA-dependent. [L. transcribo, pp. transcriptum, to copy, + -ase]
- reverse t. rNA-dependent DNA polymerase, present in virions of RNA tumor viruses (retroviruses).

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tran·scrip·tase tran-'skrip-.tās, -.tāz n RNA POLYMERASE also REVERSE TRANSCRIPTASE

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trans·crip·tase (trans-kripґtās) a general term denoting a DNA-directed RNA polymerase.

Medical dictionary. 2011.

Look at other dictionaries:

  • transcriptase — [ trɑ̃skriptaz ] n. f. • 1975; mot angl., de transcription et ase ♦ Biochim. Transcriptase inverse : enzyme qui catalyse la synthèse d A. R. N. à partir d une matrice d A. D. N. ⇒ rétrovirus. ● transcriptase nom féminin Enzyme qui catalyse la… …   Encyclopédie Universelle

  • transcriptase — [tran skrip′tās] n. [ TRANSCRIPT(ION) + ASE] an RNA POLYMERASE that uses DNA as a template to produce ribosomal RNA, transfer RNA, or messenger RNA: cf. REVERSE TRANSCRIPTASE …   English World dictionary

  • transcriptase — noun Etymology: transcription + ase Date: 1963 RNA polymerase; also reverse transcriptase …   New Collegiate Dictionary

  • transcriptase — See reverse transcriptase …   Dictionary of molecular biology

  • transcriptase — [tran skrɪpteɪz, trα:n ] noun Biochemistry an enzyme which catalyses the formation of RNA from a DNA template, or (reverse transcriptase), the formation of DNA from an RNA template …   English new terms dictionary

  • transcriptase — (trans krip teīs) An enzyme that catalyzes transcription; in viruses with RNA genomes, this enzyme is an RNA dependent RNA polymerase that is used to make RNA copies of the RNA genomes …   Dictionary of microbiology

  • transcriptase — /tran skrip tays, tayz/, n. Biochem. See RNA polymerase. [1963; TRANSCRIPT(ION) + ASE] * * * …   Universalium

  • transcriptase — noun A polymerase that catalyzes the transcription of DNA to RNA …   Wiktionary

  • transcriptase — tran·scrip·tase …   English syllables

  • transcriptase — tran•scrip•tase [[t]trænˈskrɪp teɪs, teɪz[/t]] n. biochem. RNA polymerase • Etymology: 1963; transcript (ion) + ase …   From formal English to slang

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