November 1, 2025Microbial BiotechnologyOpen Access

Metabolic Origin, Role and Fate of the Denaturant Guanidine

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Guanidine's production is linked to the oxidation of nucleotides under molecular oxygen, enhancing metabolic regulation.
Guanidine acts as a signal in controlling reactive oxygen species during microbial metabolism, impacting growth.
Bacterial guanidine exporters demonstrate evolutionary relationships with operons involved in purine catabolism.
The study highlights the distinct regulatory functions of guanidine as a metabolite despite its chaotropic properties.

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This analysis reveals guanidine influences reactive oxygen species during metabolism in bacteria, suggesting its regulatory role.

Danchin et al. (2025) studied this question.

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