Production of glucuronic acid-based polysaccharides by microbial fermentation for biomedical applications

Authors

  • Donatella Cimini,

    1. Second University of Naples, Department of Experimental Medicine, Section of Biotechnology and Molecular Biology, Naples, Italy
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  • Mario De Rosa,

    1. Second University of Naples, Department of Experimental Medicine, Section of Biotechnology and Molecular Biology, Naples, Italy
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  • Prof. Chiara Schiraldi

    Corresponding author
    1. Second University of Naples, Department of Experimental Medicine, Section of Biotechnology and Molecular Biology, Naples, Italy
    • Second University of Naples, Department of Experimental Medicine, Section of Biotechnology and Molecular Biology, via De Crecchio n°7, 80138 Naples, Italy
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Abstract

This review provides an overview of the properties, different biosynthetic machineries, and biotechnological production processes of four microbially derived glucuronic acid-based polysaccharides that are of interest for diverse biomedical purposes. In particular, the utilization of hyaluronic acid and heparin sulfate in high-value medical applications is already well established, whereas chondroitin sulfate and alginate show high potential within this ever-growing field. Furthermore, new strategies exploiting genetically engineered microorganisms generated through improving naturally existing pathways or de novo designed ones are described. These new developments result in increased fermentation titers, and thereby, pave the way towards feasible, or at least improved, process economy. Moreover, these strategies also allow for the future possibility of producing tailor-made biopolymers with specified characteristics, even novel molecules.

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