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Natural Anti-biofilm Agents: Strategies to Control Biofilm-Forming Pathogens

Rojita Mishra, Amrita Kumari Panda, Surajit De Mandal and 3 more

Frontiers in Microbiology · 2020 · Review · CC BY

doi:10.3389/fmicb.2020.566325

Abstract

Pathogenic microorganisms and their chronic pathogenicity are significant concerns in biomedical research. Biofilm-linked persistent infections are not easy to treat due to resident multidrug-resistant microbes. Low efficiency of various treatments and in-vivo toxicity of available antibiotics drives the researchers towards the discovery of many effective natural anti-biofilm agents. Natural extracts, natural product-based anti-biofilm agents are more efficient than the chemically synthesized counterparts with lesser side effects. The present review primarily focuses on various natural anti-biofilm agents, i.e. phytochemicals, biosurfactants, antimicrobial peptides and microbial enzymes along with their sources, mechanism of action via interfering in the quorum-sensing pathways, disruption of extracellular polymeric substance, adhesion mechanism and their inhibitory concentrations existing in literature so far. This study provides a better understanding that a particular natural anti-biofilm molecule exhibit different mode of actions and biofilm inhibitory activity against more than one pathogenic species. This information can be exploited further to improve the therapeutic strategy by a combination of more than one natural anti-biofilm compounds from diverse sources.

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Polymicrobial Infections and Biofilms: Clinical Significance and Eradication Strategies · 2022
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