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Specificity shifts in the rRNA and tRNA nucleotide targets of archaeal and bacterial m5U methyltransferases.
Auxilien S, Rasmussen A, Rose S, Brochier-Armanet C, Husson C, Fourmy D, Grosjean H, Douthwaite S. Auxilien S, et al. RNA. 2011 Jan;17(1):45-53. doi: 10.1261/rna.2323411. Epub 2010 Nov 4. RNA. 2011. PMID: 21051506 Free PMC article.
The bacterium Escherichia coli has three gene paralogs and these encode the methyltransferases TrmA that targets m(5)U54 in tRNAs, RlmC (formerly RumB) that modifies m(5)U747 in 23S rRNA, and RlmD (formerly RumA) the archetypical enzyme that is specifi …
The bacterium Escherichia coli has three gene paralogs and these encode the methyltransferases TrmA that targets m(5)U54 in tRNAs, …
A single methyltransferase YefA (RlmCD) catalyses both m5U747 and m5U1939 modifications in Bacillus subtilis 23S rRNA.
Desmolaize B, Fabret C, Brégeon D, Rose S, Grosjean H, Douthwaite S. Desmolaize B, et al. Nucleic Acids Res. 2011 Nov;39(21):9368-75. doi: 10.1093/nar/gkr626. Epub 2011 Aug 8. Nucleic Acids Res. 2011. PMID: 21824914 Free PMC article.
These enzymes belong to the COG2265 cluster, and the Gram-negative bacterium Escherichia coli possesses three paralogues. These comprise the methyltransferases TrmA that targets U54 in tRNAs, RlmC that modifies U747 in 23S rRNA and RlmD that is specific for U …
These enzymes belong to the COG2265 cluster, and the Gram-negative bacterium Escherichia coli possesses three paralogues. These comprise the …
Decoding Substrate Selectivity of an Archaeal RlmCD-like Methyltransferase Through Its Salient Traits.
Saha S, Kanaujia SP. Saha S, et al. Biochemistry. 2024 Oct 1;63(19):2477-2492. doi: 10.1021/acs.biochem.4c00401. Epub 2024 Sep 18. Biochemistry. 2024. PMID: 39350642
5-Methyluridine (m(5)U) rRNA modifications frequently occur at U747 and U1939 (Escherichia coli numbering) in domains II and IV of the 23S rRNA in Gram-negative bacteria, with the help of S-adenosyl-l-methionine (SAM)-dependent rRNA methyltransferases …
5-Methyluridine (m(5)U) rRNA modifications frequently occur at U747 and U1939 (Escherichia coli numbering) in domains II and IV of th …
Comprehensive Functional Analysis of Escherichia coli Ribosomal RNA Methyltransferases.
Pletnev P, Guseva E, Zanina A, Evfratov S, Dzama M, Treshin V, Pogorel'skaya A, Osterman I, Golovina A, Rubtsova M, Serebryakova M, Pobeguts OV, Govorun VM, Bogdanov AA, Dontsova OA, Sergiev PV. Pletnev P, et al. Front Genet. 2020 Feb 27;11:97. doi: 10.3389/fgene.2020.00097. eCollection 2020. Front Genet. 2020. PMID: 32174967 Free PMC article.
We systematically questioned the influence of rRNA methylation in Escherichia coli on a number of characteristics of bacterial cells with the help of a set of rRNA methyltransferase (MT) gene knockout strains from the Keio collection. ...Accumulation of the 1 …
We systematically questioned the influence of rRNA methylation in Escherichia coli on a number of characteristics of bacterial cells …
Identifying the methyltransferases for m(5)U747 and m(5)U1939 in 23S rRNA using MALDI mass spectrometry.
Madsen CT, Mengel-Jørgensen J, Kirpekar F, Douthwaite S. Madsen CT, et al. Nucleic Acids Res. 2003 Aug 15;31(16):4738-46. doi: 10.1093/nar/gkg657. Nucleic Acids Res. 2003. PMID: 12907714 Free PMC article.
There are three sites of m(5)U modification in Escherichia coli stable RNAs: one at the invariant tRNA position U54 and two in 23S rRNA at the phylogenetically conserved positions U747 and U1939. Each of these sites is modified by its own methyltransferase, and the …
There are three sites of m(5)U modification in Escherichia coli stable RNAs: one at the invariant tRNA position U54 and two in 23S rRNA …
RNA-methyltransferase TrmA is a dual-specific enzyme responsible for C5-methylation of uridine in both tmRNA and tRNA.
Ranaei-Siadat E, Fabret C, Seijo B, Dardel F, Grosjean H, Nonin-Lecomte S. Ranaei-Siadat E, et al. RNA Biol. 2013 Apr;10(4):572-8. doi: 10.4161/rna.24327. Epub 2013 Apr 1. RNA Biol. 2013. PMID: 23603891 Free PMC article.
In tRNAs of gram-negative bacteria, formation of m (5)U is catalyzed by the SAM-dependent methyltransferase TrmA, while formation of m (5)U at two different positions in rRNA is catalyzed by distinct site-specific methyltransferases RlmC and RlmD. ...
In tRNAs of gram-negative bacteria, formation of m (5)U is catalyzed by the SAM-dependent methyltransferase TrmA, while formation of …