Dual UTR-A novel 5′ untranslated region design for synthetic biology applications
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Abstract
Bacterial 5′ untranslated regions of mRNA (UTR) involve in a complex regulation of gene expression; however, the exact sequence features contributing to gene regulation are not yet fully understood. In this study, we report the design of a novel 5′ UTR, dual UTR, utilizing the transcriptional and translational characteristics of 5′ UTRs in a single expression cassette. The dual UTR consists of two 5′ UTRs, each separately leading to either increase in transcription or translation of the reporter, that are separated by a spacer region, enabling de novo translation initiation. We rationally create dual UTRs with a wide range of expression profiles and demonstrate the functionality of the novel design concept in Escherichia coli and Pseudomonas putida using different promoter systems and coding sequences. Overall, we demonstrate the application potential of dual UTR design concept in various synthetic biology applications ranging from fine-tuning of gene expression to maximization of protein production.
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The 5′ UTR is mainly involved in translation of its downstream ORF sequence, and the Kozak sequence is generally added after the 5′ UTR sequence to improve translation efficiency.
“The 5′ UTR is mainly involved in translation of its downstream ORF sequence.132,133 The Kozak sequence is generally added after the 5′ UTR sequence to improve translation efficiency.134”
From Advances in COVID-19 mRNA vaccine development (2022) · cites this paper as [132]
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Self-citation
- Authors
- Balzer Le, S., Onsager, I., Lorentzen, J. A., & Lale, R.
- Affiliations
- PhotoSynLab, Department of Biotechnology, Faculty of Natural Sciences, Norwegian University of Science and Technology, N-7491, Trondheim, Norway
- Norwegian University of Science and Technology (NO)
- Corresponding author
- Onsager, Ingerid
- Lorentzen, Jon Andreas
- Lale, Rahmi
- ORCID
- Lale, Rahmi
- Venue
- Synthetic Biology
- Publisher
- Oxford University Press (OUP)
- Published
- 2020-01-01
- Volume
- 5
- Issue
- 1
- Pages
- ysaa006-ysaa006
- ISSN
- 2397-7000 (ISSN-L)
- PMC
- PMC7476403
- OpenAlex
- W3034698986
- Cited by
- 22
- References
- 39
- Citations by year
- 2025: 5 · 2024: 3 · 2023: 5 · 2022: 7 · 2021: 2
- FWCI
- 1.14
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Synthetic Biology (publishedVersion, cc-by-nc)
- bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- NORA - Norwegian Open Research Archives (submittedVersion, cc-by-nc)
- Funders
- Norwegian University of Science and Technology, Trondheim, Norway
- SINTEF Industry
- Norwegian Research Council (192432, 192123)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
- Keywords
- 5' untranslated region, mRNA secondary structure, gene expression regulation, transcriptional regulation, translational regulation, spacer region, synthetic promoters, Escherichia coli, Pseudomonas putida, protein production
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