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Microbial itaconic acid bioproduction towards sustainable development: Insights, challenges, and prospects

Journal

BIORESOURCE TECHNOLOGY
Volume 384, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2023.129280

Keywords

Itaconic acid; Aspergillus terreus; Cis; aconitic acid decarboxylase; Bioproduction; Sustainable development goals

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Microbial biomanufacturing is a promising approach for the production of high-value compounds with minimal environmental impact and economic benefits. Itaconic acid (IA) is an important platform chemical with various applications, and efforts have been made to engineer non-native hosts for its production. This review provides an update on the progress made in IA bioproduction, from native to engineered hosts, and discusses both in vivo and in vitro approaches, as well as potential combination strategies. The challenges and recent endeavors in renewable IA production are also addressed for sustainable development goals (SDGs).
Microbial biomanufacturing is a promising approach to produce high-value compounds with low-carbon footprint and significant economic benefits. Among twelve Top Value-Added Chemicals from Biomass, itaconic acid (IA) stands out as a versatile platform chemical with numerous applications. IA is naturally produced by Aspergillus and Ustilago species through a cascade enzymatic reaction between aconitase (EC 4.2.1.3) and cisaconitic acid decarboxylase (EC 4.1.1.6). Recently, non-native hosts such as Escherichia coli, Corynebacterium glutamicum, Saccharomyces cerevisiae, and Yarrowia lipolytica have been genetically engineered to produce IA through the introduction of key enzymes. This review provides an up-to-date summary of the progress made in IA bioproduction, from native to engineered hosts, covers in vivo and in vitro approaches, and highlights the prospects of combination tactics. Current challenges and recent endeavors are also addressed to envision comprehensive strategies for renewable IA production in the future towards sustainable development goals (SDGs).

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