The current riboswitch landscape in Clostridioides difficile

Riboswitches are 5' RNA regulatory elements that are capable of binding to various ligands, such as small metabolites, ions and tRNAs, leading to conformational changes and affecting gene transcription or translation. They are widespread in bacteria and frequently control genes that are essenti...

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Bibliographic Details
Published in:Microbiology (Society for General Microbiology) 2024-10, Vol.170 (10)
Main Authors: Badilla Lobo, Adriana, Soutourina, Olga, Peltier, Johann
Format: Article
Language:English
Subjects:
Anti-Bacterial Agents - pharmacology
Clostridioides difficile - genetics
Clostridioides difficile - metabolism
Clostridium Infections - microbiology
Gene Expression Regulation, Bacterial
Humans
Life Sciences
Ligands
Nucleic Acid Conformation
Review
Riboswitch - genetics
RNA, Bacterial - genetics
RNA, Bacterial - metabolism
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Summary:Riboswitches are 5' RNA regulatory elements that are capable of binding to various ligands, such as small metabolites, ions and tRNAs, leading to conformational changes and affecting gene transcription or translation. They are widespread in bacteria and frequently control genes that are essential for the survival or virulence of major pathogens. As a result, they represent promising targets for the development of new antimicrobial treatments. , a leading cause of antibiotic-associated nosocomial diarrhoea in adults, possesses numerous riboswitches in its genome. Accumulating knowledge of riboswitch-based regulatory mechanisms provides insights into the potential therapeutic targets for treating infections. This review offers an in-depth examination of the current state of knowledge regarding riboswitch-mediated regulation in , highlighting their importance in bacterial adaptability and pathogenicity. Particular attention is given to the ligand specificity and function of known riboswitches in this bacterium. The review also discusses the recent progress that has been made in the development of riboswitch-targeting compounds as potential treatments for infections. Future research directions are proposed, emphasizing the need for detailed structural and functional analyses of riboswitches to fully harness their regulatory capabilities for developing new antimicrobial strategies.
ISSN:1350-0872
1465-2080
1465-2080
DOI:10.1099/mic.0.001508