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Chemical Diversity and Ecological Origins of Anti-MRSA Metabolites from Actinomycetota
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DOI：10.3390/antibiotics14111060.png)
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Abstract
En 中文
Antimicrobial resistance (AMR) poses a major global threat to human health. Among multidrug-resistant pathogens, MRSA is a leading cause of severe nosocomial infections, urgently demanding the discovery of novel antimicrobial agents. Nature, particularly Actinomycetota, remains a prolific source of potent bioactive compounds to combat pathogens. This review analyzes recent advancements in anti-MRSA compounds from Actinomycetota. We highlight the most promising bioactive metabolites, their sources, mechanisms of action, and current limitations. Our analysis identified numerous compounds with potent activity against MRSA, including chromomycins, actinomycins, diperamycin, lunaemycin A, lactoquinomycin A, and weddellamycin, which exhibit submicromolar minimal inhibitory concentrations (MICs). The renewed interest in exploring Actinomycetota de novo is directly driven by the AMR crisis. Furthermore, bioprospecting efforts in underexplored ecological niches, such as mangroves and marine sediments, have proven highly promising, as these habitats often harbour unique microbial communities producing novel metabolites. These findings underscore the critical importance of ecology-driven drug discovery in expanding the antimicrobial arsenal and effectively addressing the global health challenge of MRSA and other resistant pathogens.
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