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[Nitrilase activity in several bacteria]

A Arnaud, P Galzy, J C Jallageas

    Comptes Rendus Hebdomadaires Des Seances De L'Academie Des Sciences. Serie D: Sciences Naturelles
    |September 20, 1976
    PubMed
    Summary
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    Eighteen bacterial strains, including Bacillus and Micrococcus, were isolated and found to possess broad nitrilase activity. These enzymes can process a wide range of substrates containing the nitrile functional group.

    Area of Science:

    • Microbiology
    • Enzymology
    • Biochemistry

    Background:

    • Nitrilases are enzymes that catalyze the hydrolysis of nitriles.
    • Understanding the substrate specificity of nitrilases is crucial for various biotechnological applications.

    Purpose of the Study:

    • To isolate and characterize bacterial strains with nitrilase activity.
    • To investigate the substrate range of the isolated nitrilases.

    Main Methods:

    • Isolation of bacterial strains from environmental samples.
    • Culturing of bacterial isolates.
    • Enzyme assays to determine nitrilase activity on various nitrile substrates.

    Main Results:

    • Eighteen bacterial strains were successfully isolated, belonging to the genera Bacillus, Bacteridium, Micrococcus, and Brevibacterium.

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  • The isolated nitrilases exhibited broad substrate specificity, acting on a wide array of nitrile compounds.
  • No significant differences in activity were observed across the tested substrates.

    • Conclusions:

    • The identified bacterial strains represent a valuable source of broadly active nitrilases.
    • These enzymes have potential applications in biocatalysis and the synthesis of valuable chemical compounds.