[HTML][HTML] Regulation of translation by one-carbon metabolism in bacteria and eukaryotic organelles

S Shetty, U Varshney - Journal of Biological Chemistry, 2021 - Elsevier
Protein synthesis is an energetically costly cellular activity. It is therefore important that the
process of mRNA translation remains in excellent synchrony with cellular metabolism and its …

Genetic analysis of translation initiation in bacteria: an initiator tRNA‐centric view

K Lahry, M Datta, U Varshney - Molecular Microbiology, 2024 - Wiley Online Library
Translation of messenger RNA (mRNA) in bacteria occurs in the steps of initiation,
elongation, termination, and ribosome recycling. The initiation step comprises multiple …

Lamotrigine compromises the fidelity of initiator tRNA recruitment to the ribosomal P-site by IF2 and the RbfA release from 30S ribosomes in Escherichia coli

S Singh, K Lahry, CS Mandava, J Singh, RA Shah… - RNA biology, 2023 - Taylor & Francis
Lamotrigine (Ltg), an anticonvulsant drug, targets initiation factor 2 (IF2), compromises
ribosome biogenesis and causes toxicity to Escherichia coli. However, our understanding of …

An evolutionarily conserved element in initiator tRNAs prompts ultimate steps in ribosome maturation

S Shetty, U Varshney - Proceedings of the National Academy of Sciences, 2016 - pnas.org
Ribosome biogenesis, a complex multistep process, results in correct folding of rRNAs,
incorporation of> 50 ribosomal proteins, and their maturation. Deficiencies in ribosome …

Hijacking translation initiation for synthetic biology

JM Tharp, N Krahn, U Varshney, D Söll - ChemBioChem, 2020 - Wiley Online Library
Genetic code expansion (GCE) has revolutionized the field of protein chemistry. Over the
past several decades more than 150 different noncanonical amino acids (ncAAs) have been …

Two highly conserved features of bacterial initiator tRNAs license them to pass through distinct checkpoints in translation initiation

S Shetty, RA Shah, UV Chembazhi, S Sah… - Nucleic acids …, 2017 - academic.oup.com
Eubacterial translation initiation involves assembly of tRNAfMet, mRNA, initiation factors
(IFs) and 30S ribosome in a 30S pre-initiation complex (30S pre-IC), which rearranges and …

Systematic evolution of initiation factor 3 and the ribosomal protein uS12 optimizes Escherichia coli growth with an unconventional initiator tRNA

M Datta, J Singh, MJ Modak, M Pillai… - Molecular …, 2022 - Wiley Online Library
The anticodon stem of initiator tRNA (i‐tRNA) possesses the characteristic three consecutive
GC base pairs (G29: C41, G30: C40, and G31: C39 abbreviated as GC/GC/GC or 3GC pairs) …

An alternative role of RluD in the fidelity of translation initiation in Escherichia coli

K Lahry, A Gopal, AK Sahu, CN Marbaniang… - Journal of Molecular …, 2022 - Elsevier
The fidelity of initiator tRNA (i-tRNA) selection in the ribosomal P-site is a key step in
translation initiation. The highly conserved three consecutive G: C base pairs (3GC pairs) in …

Unraveling the plasticity of translation initiation in prokaryotes: Beyond the invariant Shine-Dalgarno sequence

K Estrada, A Garciarrubio, E Merino - Plos one, 2024 - journals.plos.org
Translation initiation in prokaryotes is mainly defined, although not exclusively, by the
interaction between the anti-Shine-Dalgarno sequence (antiSD), located at the 3'-terminus …

Rapid formylation of the cellular initiator tRNA population makes a crucial contribution to its exclusive participation at the step of initiation

RA Shah, R Varada, S Sah, S Shetty… - Nucleic acids …, 2019 - academic.oup.com
Initiator tRNAs (i-tRNAs) possess highly conserved three consecutive GC base pairs
(GC/GC/GC, 3GC pairs) in their anticodon stems. Additionally, in bacteria and eukaryotic …