The tRNA identity landscape for aminoacylation and beyond

R Giegé, G Eriani - Nucleic Acids Research, 2023 - academic.oup.com
Abstract tRNAs are key partners in ribosome-dependent protein synthesis. This process is
highly dependent on the fidelity of tRNA aminoacylation by aminoacyl-tRNA synthetases …

Evolution of pyrrolysyl-tRNA synthetase: From methanogenesis to genetic code expansion

NG Koch, N Budisa - Chemical Reviews, 2024 - ACS Publications
Over 20 years ago, the pyrrolysine encoding translation system was discovered in specific
archaea. Our Review provides an overview of how the once obscure pyrrolysyl-tRNA …

Engineering pyrrolysine systems for genetic code expansion and reprogramming

DL Dunkelmann, JW Chin - Chemical Reviews, 2024 - ACS Publications
Over the past 16 years, genetic code expansion and reprogramming in living organisms has
been transformed by advances that leverage the unique properties of pyrrolysyl-tRNA …

Mechanisms and delivery of tRNA therapeutics

C Ward, A Beharry, R Tennakoon, P Rozik… - Chemical …, 2024 - ACS Publications
Transfer ribonucleic acid (tRNA) therapeutics will provide personalized and mutation
specific medicines to treat human genetic diseases for which no cures currently exist. The …

tRNA shape is an identity element for an archaeal pyrrolysyl-tRNA synthetase from the human gut

N Krahn, J Zhang, SV Melnikov, JM Tharp… - Nucleic Acids …, 2024 - academic.oup.com
Protein translation is orchestrated through tRNA aminoacylation and ribosomal elongation.
Among the highly conserved structure of tRNAs, they have distinguishing features which …

Split aminoacyl-tRNA synthetases for proximity-induced stop codon suppression

HK Jiang, NL Ambrose, CZ Chung, YS Wang… - Proceedings of the …, 2023 - pnas.org
Synthetic biology tools for regulating gene expression have many useful biotechnology and
therapeutic applications. Most tools developed for this purpose control gene expression at …

Update of the Pyrrolysyl-tRNA Synthetase/tRNAPyl Pair and Derivatives for Genetic Code Expansion

X Gong, H Zhang, Y Shen, X Fu - Journal of Bacteriology, 2023 - journals.asm.org
The cotranslational incorporation of pyrrolysine (Pyl), the 22nd proteinogenic amino acid,
into proteins in response to the UAG stop codon represents an outstanding example of …

Efficient suppression of premature termination codons with alanine by engineered chimeric pyrrolysine tRNAs

A Awawdeh, A Tapia, SA Alshawi… - Nucleic Acids …, 2024 - academic.oup.com
Mutations that introduce premature termination codons (PTCs) within protein-coding genes
are associated with incurable and severe genetic diseases. Many PTC-associated disorders …

[HTML][HTML] Tuning the Functionality of Designer Translating Organelles with Orthogonal tRNA Synthetase/tRNA Pairs

ME Sushkin, M Jung, EA Lemke - Journal of Molecular Biology, 2024 - Elsevier
Site-specific incorporation of noncanonical amino acids (ncAAs) can be realized by genetic
code expansion (GCE) technology. Different orthogonal tRNA synthetase/tRNA (RS/tRNA) …

Evolution of termination codons of proteins and the TAG-TGA paradox

M Trexler, L Bányai, K Kerekes, L Patthy - Scientific Reports, 2023 - nature.com
In most eukaryotes and prokaryotes TGA is used at a significantly higher frequency than
TAG as termination codon of protein-coding genes. Although this phenomenon has been …