ArticleFrontiers in microbiology2025
A novel two-component system contributing the catabolism of c-di-GMP influences virulence in
Article in Frontiers in microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Response regulators from diverse two-component systems often function as diguanylate cyclases or phosphodiesterases, thereby enabling precise regulation of intracellular c-di-GMP levels to control bacterial virulence and motility. However, the regulatory mechanisms of c-di-GMP require further elucidation. Methods: This study confirmed that ArrS and ArrR form a two-component system via structural analysis, two-hybrid, and phosphodiesterase activity detection. To evaluate the impact of ArrS/ArrR on intracellular c-di-GMP levels, biofilm detection, motility detection, fluorescence reporter plasmids, and LC-MS/MS analysis were employed. One-hybrid, EMSA, and RT-qPCR were used to demonstrate the function of ArgR on arrSR promoter. The roles of ArrS/ArrR in Results: ArrS and ArrR constituted a two-component system in Discussion: We elucidated the regulatory mechanism of ArrS/ArrR on intracellular c-di-GMP levels and its impact on the virulence in
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