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Essential factors, advanced strategies, challenges, and approaches involved for efficient expression of recombinant proteins in Escherichia coli

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Abstract

Producing recombinant proteins is a major accomplishment of biotechnology in the past century. Heterologous hosts, either eukaryotic or prokaryotic, are used for the production of these proteins. The utilization of microbial host systems continues to dominate as the most efficient and affordable method for biotherapeutics and food industry productions. Hence, it is crucial to analyze the limitations and advantages of microbial hosts to enhance the efficient production of recombinant proteins on a large scale. E. coli is widely used as a host for the production of recombinant proteins. Researchers have identified certain obstacles with this host, and given the growing demand for recombinant protein production, there is an immediate requirement to enhance this host. The following review discusses the elements contributing to the manifestation of recombinant protein. Subsequently, it sheds light on innovative approaches aimed at improving the expression of recombinant protein. Lastly, it delves into the obstacles and optimization methods associated with translation, mentioning both cis-optimization and trans-optimization, producing soluble recombinant protein, and engineering the metal ion transportation. In this context, a comprehensive description of the distinct features will be provided, and this knowledge could potentially enhance the expression of recombinant proteins in E. coli

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Abbreviations

RP:

Recombinant protein

E. coli :

Escherichia coli

IB:

Inclusion body

mRNA:

Messenger RNA

POI:

Protein of interest

MBP:

Maltose-binding protein

GST:

Glutathione s-transferase

EST:

Elastin-like polypeptide

CspB:

Surface protein B

AMPs:

Specific antimicrobial peptides

tRNA:

Transfer RNA

DsbC:

Disulfide bond isomerase

DsbA:

Disulfide bond oxidase

IPTG:

Isopropyl-beta-d-thiogalactopyranoside

PTS:

Phosphotransferase system

eGFP:

Enhance GFP

CSR:

Cellular stress response

nnAA:

Non-canonical amino acids

UTR:

Untranslated region

SAM:

S-adenosylmethionine

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Acknowledgements

The authors would like to thank the members of the Enzyme and Microbial Technology Research Center (EMTech) for the constructive comments and help in the completion of this manuscript.

Funding

This project was supported by the Prototype Research Grant Scheme (PRGS) from the Ministry of Higher Education (MoHE) Malaysia PRGS/1/2021/STG02/UPM/02/2 which was awarded to the last author (SNO).

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Authors

Contributions

All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Azadeh Eskandari, Nima Ghahremani Nezhad, Thean Chor Leow, Mohd Basyaruddin Abdul Rahman, and Siti Nurbaya Oslan. The first draft of the manuscript was written by Azadeh Eskandari and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Siti Nurbaya Oslan.

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Communicated by Yusuf Akhter.

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Eskandari, A., Nezhad, N.G., Leow, T.C. et al. Essential factors, advanced strategies, challenges, and approaches involved for efficient expression of recombinant proteins in Escherichia coli. Arch Microbiol 206, 152 (2024). https://doi.org/10.1007/s00203-024-03871-2

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  • DOI: https://doi.org/10.1007/s00203-024-03871-2

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