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Gene and DNA Sequence
Record information and status
Record ID
Date of creation
2013-05-22 14:32 UTC (dina.abdelhakim@cbd.int)
Date of last update
2021-02-12 17:48 UTC (austein.mcloughlin@cbd.int)
Date of publication
2021-02-12 17:48 UTC (austein.mcloughlin@cbd.int)

General information
Name of the gene or DNA sequence
Acetohydroxy acid synthase gene
Alternate Genetic Element Name (synonyms)
Acetolactate synthase gene
Category of DNA sequence
  • Protein coding sequence
Is the gene / DNA sequence is a synthetic molecule?
Donor organism
Donor organism
Oryza sativa - Rice, ORYSA
Characteristics of the protein coding sequence
Name of the protein expressed by the coding sequence
Acetolactate synthase
Biological function
AHAS is an essential enzyme for many organisms as it catalyzes the first step in the biosynthesis of the branched-chain amino acids valine, isoleucine, and leucine.

A common mutant form of the ahas gene  which differs from the wild type gene by two mutations W548L and S627I results in an enzyme that has tolerance to sulfonylurea herbicides in plants. The ahas mutant isoform may, therefore, be used as a selectable marker in transgenic plants.
Related trait(s) or use(s) in biotechnology

Records referencing this document (3)
3record(s) found
Modified Organism3 records