spacer sequence

spacer sequence
A DNA sequence separating neighbouring genes; spacer sequences are not usually transcribed.

Glossary of Biotechnology for Food and Agriculture . 2015.

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  • Spacer DNA — are regions of non transcribed DNA between tandemly repeated genes, such as ribosomal RNA genes in eukaryotes.Its function is probably to do with ensuring the high rates of transcription associated with these genes.The dNA sequence between genes …   Wikipedia

  • spacer DNA — The DNA sequence between genes. In bacteria, only a few nucleotides long. In eukaryotes, can be extensive and include repetitive DNA, comprising the majority of the DNA of the genome. The term is used particularly for the spacer DNA between the… …   Dictionary of molecular biology

  • Internal transcribed spacer — Als Ribosomale DNA (rDNA) werden jene Abschnitte der Desoxyribonukleinsäure (DNA) bezeichnet, die die Gene für ribosomale RNA (rRNA) enthalten. rRNA ist ein wichtiger Bestandteil der Ribosomen, in denen die Proteinsynthese (Translation)… …   Deutsch Wikipedia

  • Nuclear localization sequence — A nuclear localization signal or sequence (NLS) is an amino acid sequence which tags a protein for import into the cell nucleus by nuclear transport. Typically, this signal consists of one or more short sequences of positively charged lysines or… …   Wikipedia

  • Internal transcribed spacer — ITS (for internal transcribed spacer) refers to a piece of non functional RNA situated between structural ribosomal RNAs (rRNA) on a common precursor transcript. Read from 5 to 3 , this polycistronic rRNA precursor transcript contains the 5… …   Wikipedia

  • Asthma spacer — An asthma spacer is a type of add on device used by an asthmatic person to increase the effectiveness of a metered dose inhaler. Such add on devices include spacers, which merely add space between the mouthpiece of the metered dose inhaler (MDI)… …   Wikipedia

  • Repeated sequence (DNA) — In the study of DNA sequences, one can distinguish two main types of repeated sequence: Tandem repeats: Satellite DNA Minisatellite Microsatellite Interspersed repeats: SINEs (Short Interspersed Nuclear Elements) LINEs (Long Interspersed Nuclear… …   Wikipedia

  • intergenic spacer — Abbreviation: IGS Non coding DNA separating tandemly arranged copies of a repeated gene sequence (typically ribosomal DNA). Of particular interest because, unlike the coding sequence itself, the spacers show high levels of interspecific sequence… …   Glossary of Biotechnology

  • internal transcribed spacer — Abbreviation: ITS Non coding regions separating the individual components of the ribosomal DNA units. These regions show much more sequence polymorphism than the genic regions themselves, and therefore, like the intergenic spacers, are useful a… …   Glossary of Biotechnology

  • Ribosome display — is a technique used to perform in vitro protein evolution to create proteins that can bind to a desired ligand. The process results in translated proteins that are associated with their mRNA progenitor which is used, as a complex, to bind to an… …   Wikipedia

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