From Microbial Succinic Acid Production to Polybutylene Bio‐Succinate Synthesis

Tenhaef, Niklas; Hermann, Alina; Müller, Moritz-Fabian; Görtz, Jonas; Marienhagen, Jan; Oldiges, Marco; Wiechert, Wolfgang; Bott, Michael; Jupke, Andreas; Hartmann, Laura; Herres‐Pawlis, Sonja; Noack, Stephan

doi:10.1002/cite.202200163

Cited by 3 publications

(1 citation statement)

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“…h. Since isocitrate lyase is not active under anaerobic conditions, it is believed that the major contribution of SA was from the reductive TCA cycle. The pyruvate metabolism was active in the absence of pyruvate formate lyase even under anaerobic conditions, where pyruvate dehydrogenase is assumed to be absent [ 51 ].…”

Section: Non-native Sa Producing Strainsmentioning

confidence: 99%

Recent advances in bio-based production of top platform chemical, succinic acid: an alternative to conventional chemistry

Kumar,

Maity

et al. 2024

Biotechnol Biofuels

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Succinic acid (SA) is one of the top platform chemicals with huge applications in diverse sectors. The presence of two carboxylic acid groups on the terminal carbon atoms makes SA a highly functional molecule that can be derivatized into a wide range of products. The biological route for SA production is a cleaner, greener, and promising technological option with huge potential to sequester the potent greenhouse gas, carbon dioxide. The recycling of renewable carbon of biomass (an indirect form of CO2), along with fixing CO2 in the form of SA, offers a carbon-negative SA manufacturing route to reduce atmospheric CO2 load. These attractive attributes compel a paradigm shift from fossil-based to microbial SA manufacturing, as evidenced by several commercial-scale bio-SA production in the last decade. The current review article scrutinizes the existing knowledge and covers SA production by the most efficient SA producers, including several bacteria and yeast strains. The review starts with the biochemistry of the major pathways accumulating SA as an end product. It discusses the SA production from a variety of pure and crude renewable sources by native as well as engineered strains with details of pathway/metabolic, evolutionary, and process engineering approaches for enhancing TYP (titer, yield, and productivity) metrics. The review is then extended to recent progress on separation technologies to recover SA from fermentation broth. Thereafter, SA derivatization opportunities via chemo-catalysis are discussed for various high-value products, which are only a few steps away. The last two sections are devoted to the current scenario of industrial production of bio-SA and associated challenges, along with the author's perspective.

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Section: Non-native Sa Producing Strainsmentioning

confidence: 99%