Untranslated regions of mRNAs.
Open accessAbstract
Gene expression is finely regulated at the post-transcriptional level. Features of the untranslated regions of mRNAs that control their translation, degradation and localization include stem-loop structures, upstream initiation codons and open reading frames, internal ribosome entry sites and various cis-acting elements that are bound by RNA-binding proteins.
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Only 13% of human 5′ UTRs are shorter than 50 nt and thus covered by Optimus 5-Prime.
“Because only 13% of human 5′ UTRs are shorter than 50 nt and thus covered by Optimus 5-Prime, we next asked whether the approach introduced here could be extended to longer 5′ UTRs.”
From Human 5′ UTR design and variant effect prediction from a massively parallel translation assay (2019) · cites this paper as [44]
The Structural features of untranslated regions section (page not available) says 5′ UTRs average 100–200 nucleotides and vary widely in length. It does not give the proportion of human 5′ UTRs shorter than 50 nucleotides or discuss coverage by Optimus 5-Prime. (LLM, conf=0.78)
Experimental — accuracy not yet measuredHuman 5′ UTR sequences vary in length from tens to thousands of nucleotides with a median length of 218 nt.
“Human 5′ UTR sequences vary in length from tens to thousands of nucleotides with a median length of 218 nt44,45.”
From Human 5′ UTR design and variant effect prediction from a massively parallel translation assay (2019) · cites this paper as [44]
The Structural features of untranslated regions section (page not available in our copy) says that 5′ UTR lengths vary within a species from about a dozen to a few thousand nucleotides, supporting the claimed range. It does not give a median of 218 nt for human 5′ UTRs; it reports an average of 100–200 nt across diverse taxonomic classes instead. (LLM, conf=0.87)
Experimental — accuracy not yet measuredUTR structure is crucial for translation.
“Besides coding region design, UTR structure is also crucial for translation28”
From Algorithm for optimized mRNA design improves stability and immunogenicity (2023) · cites this paper as [28]
Sequence elements within the 3' and 5' noncoding regions of RNA have been characterized as important factors in regulating transcript stability, in ways that are not completely understood.
“Sequence elements within the 3Ј and 5Ј noncoding regions of the RNA molecule have been characterized as important factors in regulating the stability of a transcript in ways that are not completely understood.32,33”
From Modification of antigen-encoding RNA increases stability, translational efficacy, and T-cell stimulatory capacity of dendritic cells (2006) · cites this paper as [32]
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- Authors
- Mignone, F., Gissi, C., Liuni, S., & Pesole, G.
- Affiliations
- University of Milan (IT)
- University of Bari Aldo Moro (IT)
- Corresponding author
- Graziano Pesole
- Venue
- Genome biology
- Published
- 2002
- Volume
- 3
- Issue
- 3
- Pages
- reviews0004.1
- ISSN
- 1465-6906 (ISSN-L)
- PMC
- PMC139023
- OpenAlex
- W2144548050
- Cited by
- 987
- References
- 0
- Citations by year
- 2026: 25 · 2025: 33 · 2024: 52 · 2023: 36 · 2022: 46 · 2021: 49 · 2020: 31 · 2019: 56 · 2018: 49 · 2017: 44 · 2016: 43 · 2015: 43 · 2014: 37 · 2013: 50 · 2012: 51
- FWCI
- 2.07
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Genome biology (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA modifications and cancer
- Keywords
- untranslated regions, mRNA, post-transcriptional regulation, translational regulation, mRNA degradation, mRNA localization, stem-loop structure, internal ribosome entry site, cis-regulatory elements, RNA-binding proteins
- MeSH terms
- Animals, Humans, Nucleic Acid Conformation, RNA Processing, Post-Transcriptional, RNA, Messenger, Protein Biosynthesis, Codon, Initiator, Untranslated Regions, RNA Stability
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