Microbial Synthesis of High-Molecular-Weight, Highly Repetitive Protein Polymers

Juya Jeon, Shri Venkatesh Subramani, Kok Zhi Lee, Bojing Jiang, Fuzhong Zhang

Research output: Contribution to journalReview articlepeer-review

4 Scopus citations

Abstract

High molecular weight (MW), highly repetitive protein polymers are attractive candidates to replace petroleum-derived materials as these protein-based materials (PBMs) are renewable, biodegradable, and have outstanding mechanical properties. However, their high MW and highly repetitive sequence features make them difficult to synthesize in fast-growing microbial cells in sufficient amounts for real applications. To overcome this challenge, various methods were developed to synthesize repetitive PBMs. Here, we review recent strategies in the construction of repetitive genes, expression of repetitive proteins from circular mRNAs, and synthesis of repetitive proteins by ligation and protein polymerization. We discuss the advantages and limitations of each method and highlight future directions that will lead to scalable production of highly repetitive PBMs for a wide range of applications.

Original languageEnglish
Article number6416
JournalInternational journal of molecular sciences
Volume24
Issue number7
DOIs
StatePublished - Apr 2023

Keywords

  • high molecular weight
  • microbial synthesis
  • protein polymers
  • repetitive proteins
  • silk
  • synthetic biology

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