Results 11 to 20 of about 7,056 (183)
Nature Communications, 2023 Purine-containing nucleotide second messengers regulate diverse cellular activities. Cyclic di-pyrimidines mediate anti-phage functions in bacteria; however, the synthesis mechanism remains elusive.
Chia-Shin Yang +5 more
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A Eubacterial Origin for the Human tRNA Nucleotidyltransferase? [PDF]
Biological Chemistry, 2001 tRNA CCA-termini are generated and maintained by tRNA nucleotidyltransferases. Together with poly(A) polymerases and other enzymes they belong to the nucleotidyltransferase superfamily. However, sequence alignments within this family do not allow to distinguish between CCA-adding enzymes and poly(A) polymerases. Furthermore, due to the lack of sequence
Reichert, A. S. +2 more
openaire +5 more sources
Molecular mechanisms of template-independent RNA polymerization by tRNA nucleotidyltransferases
Frontiers in Genetics, 2014 The universal 3'-terminal CCA sequence of tRNA is built and/or synthesized by the CCA-adding enzyme, CTP:(ATP) tRNA nucleotidyltransferase. This RNA polymerase has no nucleic acid template, but faithfully synthesizes the defined CCA sequence on the 3 ...
Kozo eTomita, Seisueke eYamashita
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ant(6)-I Genes Encoding Aminoglycoside O-Nucleotidyltransferases Are Widely Spread Among Streptomycin Resistant Strains of Campylobacter jejuni and Campylobacter coli [PDF]
Frontiers in Microbiology, 2018 Thermotolerant Campylobacter species C. jejuni and C. coli are actually recognized as the major bacterial agent responsible for food-transmitted gastroenteritis. The most effective antimicrobials against Campylobacter are macrolides and some, but not all
Lorena Hormeño +9 more
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Frontiers in Microbiology, 2016 Here we report the complete genome sequence of the chemoorganotrophic, extremely thermophilic bacterium, Dictyoglomus turgidum, which is a Gram negative, strictly anaerobic bacterium. D. turgidum and D.
Phillip Brumm +6 more
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Inducible auto-phosphorylation regulates a widespread family of nucleotidyltransferase toxins [PDF]
Nature CommunicationsNucleotidyltransferases (NTases) control diverse physiological processes, including RNA modification, DNA replication and repair, and antibiotic resistance.
Tom J. Arrowsmith +8 more
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Cell Reports, 2023 Summary: Canonical microRNA (miRNA) hairpins are processed by the RNase III enzymes Drosha and Dicer into ∼22 nt RNAs loaded into an Argonaute (Ago) effector.
Seungjae Lee +10 more
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Bacteriophage antidefense genes that neutralize TIR and STING immune responses
Cell Reports, 2023 Summary: Programmed cell suicide of infected bacteria, known as abortive infection (Abi), serves as an immune defense strategy to prevent the propagation of bacteriophage viruses.
Peiyin Ho +5 more
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Terminal Uridylyltransferases TUT4/7 Regulate microRNA and mRNA Homeostasis
Cells, 2022 The terminal nucleotidyltransferases TUT4 and TUT7 (TUT4/7) regulate miRNA and mRNA stability by 3′ end uridylation. In humans, TUT4/7 polyuridylates both mRNA and pre-miRNA, leading to degradation by the U-specific exonuclease DIS3L2. We investigate the
Pengcheng Zhang +2 more
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AGO-bound mature miRNAs are oligouridylated by TUTs and subsequently degraded by DIS3L2
Nature Communications, 2020 3′ end of microRNAs binds to the PAZ domain of Argonaute (AGO) proteins. Here the authors show that terminal nucleotidyltransferases TUT4/7 and exonuclease DIS3L2 induce tailing and decay of 3’ end exposed-microRNAs in AGO PAZ mutant expressing- or ...
Acong Yang +6 more
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