Microbial hexuronate catabolism in biotechnology

Joosu Kuivanen, Alessandra Biz, Peter Richard (Corresponding Author)

Research output: Contribution to journalReview Articlepeer-review

14 Citations (Scopus)


The most abundant hexuronate in plant biomass is d-galacturonate. d-Galacturonate is the main constituent of pectin. Pectin-rich biomass is abundantly available as sugar beet pulp or citrus processing waste and is currently mainly used as cattle feed. Other naturally occurring hexuronates are d-glucuronate, l-guluronate, d-mannuronate and l-iduronate. d-Glucuronate is a constituent of the plant cell wall polysaccharide glucuronoxylan and of the algal polysaccharide ulvan. Ulvan also contains l-iduronate. l-Guluronate and d-mannuronate are the monomers of alginate. These raw materials have the potential to be used as raw material in biotechnology-based production of fuels or chemicals. In this communication, we will review the microbial pathways related to these hexuronates and their potential use in biotechnology.
Original languageEnglish
Article number16
Number of pages11
JournalAMB Express
Issue number1
Publication statusPublished - 2019
MoE publication typeA2 Review article in a scientific journal


  • d-Glucuronate
  • d-Galacturonate
  • Pectin

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