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Gene and DNA Sequence
Record information and status
Record ID
Date of creation
2013-03-25 19:28 UTC (dina.abdelhakim@cbd.int)
Date of last update
2021-05-17 15:35 UTC (austein.mcloughlin@cbd.int)
Date of publication
2021-05-17 15:35 UTC (austein.mcloughlin@cbd.int)

General information
Name of the gene or DNA sequence
RB7 matrix attachment region
Category of DNA sequence
  • Enhancer
Is the gene / DNA sequence is a synthetic molecule?
Donor organism
Donor organism
Nicotiana tabacum - Tobacco, TOBAC
Additional Information
Additional Information
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.

Records referencing this document (199)
199record(s) found
Country's Decision or any other Communication80 records
Modified Organism32 records
Risk Assessment87 records