Article Dans Une Revue Journal of Molecular Biology Année : 2025

Are Bacterial Processes Dependent on Global Ribosome Pausing Affected by tRNA Modification Defects?

Résumé

By integrating a literature review with transcriptomic, proteomic, and phenotypic data from two model bacteria, Escherichia coli and Vibrio cholerae, we put forward the hypothesis that defects in tRNA modification broadly impact processes that are evolutionarily tuned to be sensitive to translation speed. These include the translation of regulatory proteins associated with motility, iron homeostasis, and leader peptide-driven attenuation mechanisms. Some of these translation speed-dependent processes are influenced by the absence of a single modification, while others are affected by the absence of multiple modifications. Although further experiments are needed to clarify the mechanisms involved in each case, this work provides a foundational framework to guide future research.

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hal-05029033 , version 1 (16-04-2025)

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Valérie de Crécy-Lagard, Zeynep Baharoglu, Yifeng Yuan, Grégory Boël, Jill Babor, et al.. Are Bacterial Processes Dependent on Global Ribosome Pausing Affected by tRNA Modification Defects?. Journal of Molecular Biology, 2025, 437 (16), pp.169107. ⟨10.1016/j.jmb.2025.169107⟩. ⟨hal-05029033⟩
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