Mechanism and biological role of Dnmt2 in nucleic acid methylation

A Jeltsch, A Ehrenhofer-Murray, TP Jurkowski… - RNA biology, 2017 - Taylor & Francis
ABSTRACT A group of homologous nucleic acid modification enzymes called Dnmt2,
Trdmt1, Pmt1, DnmA, and Ehmet in different model organisms catalyze the transfer of a …

A rationale for tRNA modification circuits in the anticodon loop

L Han, EM Phizicky - Rna, 2018 - rnajournal.cshlp.org
The numerous post-transcriptional modifications of tRNA play a crucial role in tRNA function.
While most modifications are introduced to tRNA independently, several sets of …

RNA 5-methylcytosine modification and its emerging role as an epitranscriptomic mark

Y Gao, J Fang - RNA biology, 2021 - Taylor & Francis
methylcytosine (m5C) is identified as an abundant and conserved modification in various
RNAs, including tRNAs, mRNAs, rRNAs, and other non-coding RNAs. The application of …

Discovery of Inhibitors of DNA Methyltransferase 2, an Epitranscriptomic Modulator and Potential Target for Cancer Treatment

M Schwickert, TR Fischer… - Journal of Medicinal …, 2022 - ACS Publications
Selective manipulation of the epitranscriptome could be beneficial for the treatment of
cancer and also broaden the understanding of epigenetic inheritance. Inhibitors of the tRNA …

New substrates and determinants for tRNA recognition of RNA methyltransferase DNMT2/TRDMT1

H Li, D Zhu, J Wu, Y Ma, C Cai, Y Chen, M Qin… - RNA biology, 2021 - Taylor & Francis
Methylation is a common post-transcriptional modification of tRNAs, particularly in the
anticodon loop region. The cytosine 38 (C38) in tRNAs, such as tRNAAsp-GUC, tRNAGly …

Cross-talk between Dnmt2-dependent tRNA methylation and queuosine modification

AE Ehrenhofer-Murray - Biomolecules, 2017 - mdpi.com
Enzymes of the Dnmt2 family of methyltransferases have yielded a number of unexpected
discoveries. The first surprise came more than ten years ago when it was realized that …

Queuine is a nutritional regulator of Entamoeba histolytica response to oxidative stress and a virulence attenuator

S Nagaraja, MW Cai, J Sun, H Varet, L Sarid… - Mbio, 2021 - Am Soc Microbiol
Queuosine is a naturally occurring modified ribonucleoside found in the first position of the
anticodon of the transfer RNAs for Asp, Asn, His, and Tyr. Eukaryotes lack pathways to …

Determinants of DNMT2/TRDMT1 preference for substrates tRNA and DNA during the evolution

H Li, D Zhu, Y Yang, Y Ma, Y Chen, P Xue, J Chen… - RNA biology, 2023 - Taylor & Francis
ABSTRACT RNA methyltransferase DNMT2/TRDMT1 is the most conserved member of the
DNMT family from bacteria to plants and mammals. In previous studies, we found some …

Structural insights into the stimulation of S. pombe Dnmt2 catalytic efficiency by the tRNA nucleoside queuosine

S Johannsson, P Neumann, A Wulf, LM Welp… - Scientific Reports, 2018 - nature.com
Dnmt2 methylates cytosine at position 38 of tRNAAsp in a variety of eukaryotic organisms. A
correlation between the presence of the hypermodified nucleoside queuosine (Q) at position …

Advances in protozoan epigenetic targets and their inhibitors for the development of new potential drugs

C Gaona-López, LK Vazquez-Jimenez… - Pharmaceuticals, 2023 - mdpi.com
Protozoan parasite diseases cause significant mortality and morbidity worldwide. Factors
such as climate change, extreme poverty, migration, and a lack of life opportunities lead to …