Cited by 16Microbial Metabolic Engineering and BioproductionEnzyme Catalysis and ImmobilizationBiochemical and Structural Characterization

Application of artificial scaffold systems in microbial metabolic engineering

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Liu, Nana, Dong, Wei, Yang, Huanming, Li, Jing-Hua, Chiu, Tsan-Yu·2023·Frontiers in Bioengineering and Biotechnology

Abstract

In nature, metabolic pathways are often organized into complex structures such as multienzyme complexes, enzyme molecular scaffolds, or reaction microcompartments. These structures help facilitate multi-step metabolic reactions. However, engineered metabolic pathways in microbial cell factories do not possess inherent metabolic regulatory mechanisms, which can result in metabolic imbalance. Taking inspiration from nature, scientists have successfully developed synthetic scaffolds to enhance the performance of engineered metabolic pathways in microbial cell factories. By recruiting enzymes, synthetic scaffolds facilitate the formation of multi-enzyme complexes, leading to the modulation of enzyme spatial distribution, increased enzyme activity, and a reduction in the loss of intermediate products and the toxicity associated with harmful intermediates within cells. In recent years, scaffolds based on proteins, nucleic acids, and various organelles have been developed and employed to facilitate multiple metabolic pathways. Despite varying degrees of success, synthetic scaffolds still encounter numerous challenges. The objective of this review is to provide a comprehensive introduction to these synthetic scaffolds and discuss their latest research advancements and challenges.

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Crossref · 10.3389/fbioe.2023.1328141

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  • Synthetic scaffolds or protein interaction domains can enhance metabolic flux by positioning enzymes in close proximity and improving substrate channelling within engineered pathways.

    “Recent advances in synthetic biology have further explored the spatial organisation of pathway enzymes through synthetic scaffolds or protein interaction domains, aiming to enhance metabolic flux by positioning enzymes in close proximity and thereby improving substrate channelling within engineered pathways [153].”

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Authors
Liu, N., Dong, W., Yang, H., Li, J.-H., & Chiu, T.-Y.
Affiliations
Chinese Academy of Sciences (CN)
Corresponding author
Chiu, Tsan-Yu
Venue
Frontiers in Bioengineering and Biotechnology
Published
2023-12-22
Volume
11
Pages
1328141-1328141
ISSN
2296-4185 (ISSN-L)
OpenAlex
W4390111565
Cited by
16
References
104
Citations by year
2026: 4 · 2025: 11 · 2024: 1
FWCI
0.42
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Bioengineering and Biotechnology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Chinese Academy of Sciences
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Enzyme Catalysis and Immobilization
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biochemical and Structural Characterization
Keywords
synthetic scaffolds, microbial metabolic engineering, metabolic pathway engineering, multienzyme complex, enzyme scaffolds, metabolic imbalance, protein scaffolds, microbial cell factories

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