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Genetic element (GENE)
published: 25 Mar 2013
last updated: 17 May 2021
RB7 matrix attachment region
EN
E-rb7_mar-TOBAC
EN
Other (Enhancer)
No
-
BCH-ORGA-SCBD-12120-4 Organism Nicotiana tabacum (Tobacco, TOBAC )Crops
EN
The RB7 gene matrix attachments region (MAR) is a 1.2 kb fragment isolated from the 3' flanking region of the RB7 root-specific gene of tobacco.
When positioned on the flanking ends of gene cassettes, some the RB7 MAR has been shown to increase expression of transgenes and to reduce the incidence of gene silencing. It is hypothesized that MARs may act to buffer effects from neighbouring chromosomal sequences that could destabilize the expression of genes.
EN
When positioned on the flanking ends of gene cassettes, some the RB7 MAR has been shown to increase expression of transgenes and to reduce the incidence of gene silencing. It is hypothesized that MARs may act to buffer effects from neighbouring chromosomal sequences that could destabilize the expression of genes.
- Use of matrix attachment regions (MARs) to minimize transgene silencing.pdf [ English ]
- Elevation of Transgene Expression Level by Flanking Matrix Attachment Regions (MAR) is Promoter Dependent A Study of the Interactions of Six Promoters with the RB7 3′ MAR.pdf [ English ]
- Nuclear scaffolds and scaffold-attachment regions in higher plants [ English ]
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