constitutive heterochromatin

constitutive heterochromatin
конститутивный гетерохроматин

English-Russian Biotechnology Glossary. . 2007.

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  • Constitutive heterochromatin — domains are sections of DNA that occur throughout the chromosomes of eukaryotes, but particularly at the centromeres and telomeres. They often consist of very highly condensed, repetitive DNA and are largely transcriptionally silent. These… …   Wikipedia

  • constitutive heterochromatin — constitutive heterochromatin. См. конститутивный гетерохроматин. (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.

  • constitutive heterochromatin — nuolatasis heterochromatinas statusas T sritis augalininkystė apibrėžtis Heterochromatinas, nuolat aptinkamas tam tikrose chromosomos dalyse. atitikmenys: angl. constitutive heterochromatin rus. конститутивный гетерохроматин; структурный… …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • constitutive heterochromatin — the chromatin in regions of the chromosomes that are invariably heterochromatic, located mainly to both sides of the centromeres and to the telomeres; it contains highly repetitive sequences of DNA that are genetically inactive, and may serve as… …   Medical dictionary

  • Heterochromatin — is a tightly packed form of DNA. Its major characteristic is that transcription is limited. As such, it is a means to control gene expression, through regulation of the transcription initiation.tructureChromatin is found in two varieties:… …   Wikipedia

  • Heterochromatin protein 1 — chromobox homolog 5 Identifiers Symbol CBX5 Alt. symbols HP1 alpha Entrez 23468 …   Wikipedia

  • Heterochromatin Protein 1 — Chromobox Homolog 1 CBX1 Dimer (gelb) mit EMSY, nach PDB  …   Deutsch Wikipedia

  • Heterochromatin — A genetically inactive part of the genome, heterochromatin was so named because it was chromosomal material (chromatin) that stained differently, more darkly, all through the cell cycle, than most chromosomal material (which was named… …   Medical dictionary

  • heterochromatin — The chromosomal regions that are condensed during interphase and at the time of nuclear division. They show what is considered an abnormal pattern of staining as opposed to euchromatin. Can be subdivided into constitutive regions (present in all… …   Dictionary of molecular biology

  • constitutive — 1. See c. enzyme. 2. In genetics, descriptive of a gene that is controlled by constantly active promoter. * * * con·sti·tu·tive kän(t) stə .t(y)üt iv, kən stich ət iv adj 1 a) of, relating to, or being an enzyme or protein produced in relatively… …   Medical dictionary

  • pericentric heterochromatin — constitutive heterochromatin located in the region of the centromere …   Medical dictionary

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