Acetohydroxy acid synthase gene | BCH-GENE-SCBD-104877 | Genetic element | Biosafety Clearing-House

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Genetic element (GENE)

published: 22 May 2013 last updated: 12 Feb 2021
General information
Acetohydroxy acid synthase gene
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  • Acetolactate synthase gene
    EN
  • ALS
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CS-ahas-ORYSA
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Protein coding sequence
No
Donor organism
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Characteristics of the protein coding sequence
Acetolactate synthase
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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.
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Additional Information
EN
Records referencing this document Show in search
Record type Field Record(s)
Living Modified Organism Introduced or modified genetic element(s) 3
Living Modified Organism Genetic elements construct 3