Degradation of Synthetic Dyes with Plant-Produced Manganese Peroxidase and Commercial Laccase

Author:

Byrd Joshua D.1,Hood Elizabeth E.1

Affiliation:

1. Arkansas State University, Jonesboro, AR, USA

Abstract

Contamination of the environment directly impacts animal, plant, and human health, as well as agricultural production. A potential solution tested in this work incorporates the use of enzymes from fungi, manganese (Mn) peroxidase (MnP) and laccase, to degrade pollutants. Unfortunately, the MnP is too expensive to produce (more than US$24,000 per gram) to be used in remediation applications. MnP from a corn kernel biofactory can be produced in large amounts, and at <US$5 per gram, would be cost-effective in this application and resolve pollution issues. Two formulations of recombinant MnP from the corn kernel production system and commercial fungal laccase have been tested for degradation of synthetic dyes in an aqueous environment. Numerous concentrations of four synthetic azo or anthraquinone dyes were used. All dyes were partially or completely degraded by both enzymes.

Funder

USDA NIFA Non-Land Grant Colleges of Agriculture Capacity Building Fund

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Process Chemistry and Technology

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1. Molecular Farming of Industrial Enzymes: Products and Applications;Concepts and Strategies in Plant Sciences;2024

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