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Gene and DNA Sequence
Record information and status
Record ID
Date of creation
2006-06-20 11:13 UTC (kirsty.mclean.consultant@cbd.int)
Date of last update
2012-07-24 14:56 UTC (dina.abdelhakim@cbd.int)
Date of publication
2012-07-24 14:56 UTC (dina.abdelhakim@cbd.int)

General information
Name of the gene or DNA sequence
Nopaline Synthase Gene
Category of DNA sequence
  • Protein coding sequence
Is the gene / DNA sequence is a synthetic molecule?
Donor organism
Donor organism
Agrobacterium tumefaciens - Agrobacterium
Donor organism point of collection
Agrobacterium tumefaciens strain CP4
Characteristics of the protein coding sequence
Name of the protein expressed by the coding sequence
Nopaline synthase
Biological function
Nopaline synthase is an enzyme which catalyses the synthesis of nopaline, an opine which is formed as the result of the condensation of the amino acid arginine and alpha-ketoglutaric acid. When wild-type A. tumefaciens infects a host plant, the opine synthase gene present on the T-DNA region of the Ti plasmid of the bacterium directs infected host cells to synthesize an opine, such as nopaline. The type of opine produced is specific to the particular strain of A. tumefaciens. Opines are metabolized as a source of carbon and nitrogen only by a bacterium possessing a Ti-plasmid and the gene specific for catabolism of the particular opine.

This trait is introduced to permit the identification of transformed plant embryos.
Related trait(s) or use(s) in biotechnology
  • Selectable marker genes and reporter genes
Additional Information
Other relevant website address or attached documents

Records referencing this document (12)
12record(s) found
Country's Decision or any other Communication3 records
Modified Organism3 records
Organization3 records
Risk Assessment3 records