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  • Title: The weak-acid preservative sorbic acid is decarboxylated and detoxified by a phenylacrylic acid decarboxylase, PadA1, in the spoilage mold Aspergillus niger.
    Author: Plumridge A, Stratford M, Lowe KC, Archer DB.
    Journal: Appl Environ Microbiol; 2008 Jan; 74(2):550-2. PubMed ID: 18039817.
    Abstract:
    Resistance to sorbic and cinnamic acids is mediated by a phenylacrylic acid decarboxylase (PadA1) in Aspergillus niger. A. niger DeltapadA1 mutants are unable to decarboxylate sorbic and cinnamic acids, and the MIC of sorbic acid required to inhibit spore germination was reduced by approximately 50% in DeltapadA1 mutants.
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