Abstract
RNA modifications contribute to the various functions of RNAs in all living organisms. Some of these modifications are dynamic and contribute to the regulation of gene expression. In bacteria, their roles in stress, environmental adaptation, and in infections caused by pathogens have been recently fully recognized. In this review, we describe several methodologies including mass spectrometry, next-generation RNA sequencing methods, biochemical approaches, and cryo-EM structural analysis that are used to detect and localize the modifications in tRNAs and rRNAs. We illustrate how the combination of methods was necessary to avoid technical biases for a successful mapping of the modifications in tRNAs and rRNAs in Staphylococcus aureus.
R. Bahena-Ceron and J. Jaramillo-Ponce contributed equally in this chapter.
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Acknowledgements
This work was supported by the Centre National de la Recherche Scientifique (CNRS), by the French National Research Agency ANR (ANR-21-CE12-0030-01 to [SM]), by the Region Grand Est (N°18P-09227- EpiRNA), and the previous French National Program Investissement d’Avenir (Labex NetRNA) (ANR-10-LABX-0036_NETRNA). This work of the Interdisciplinary Thematic Institute IMCBio, as part of the ITI 2021–2028 program of the University of Strasbourg, CNRS, and Inserm, was supported by IdEx Unistra (ANR-10-IDEX-0002), by SFRI-STRAT’US project (20-SFRI-0012), and EUR IMCBio (IMCBio ANR-17-EURE-0023) under the framework of the France 2030 Program. [HK] is supported by a fellowship from Fondation de la Recherche Médicale (FRM). [BPK] acknowledges support by CNRS, Association pour la Recherche sur le Cancer (ARC), Institut National du Cancer (INCa_16099), the Fondation pour la Recherche Médicale (FRM) and ANR.
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Bahena-Ceron, R. et al. (2023). Methods to Analyze Post-transcriptional Modifications Applied to Stable RNAs in Staphylococcus aureus. In: Barciszewski, J. (eds) RNA Structure and Function. RNA Technologies, vol 14. Springer, Cham. https://doi.org/10.1007/978-3-031-36390-0_11
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