Antibiofilm activity and quorum sensing inhibitory potential of phytochemicals
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INHIBITORY EFFECT OF STEVIA AND ROSA EXTRACTS AGAINST BACTERIAL QUORUM SENSING
Background & Aims: Quorum Sensing is a mechanism by which orchestrate the expression of many genes in bacteria. Therefore, any interference with the system will inhibit bacterial infections. The principal purpose of the research was to evaluate the potential of anti-quorum sensing of Rosa damascena and Stevia rebaudiana against Staphylococcus aureus. Materials & Methods: Ten isolates of Staphy...
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Quorum sensing (QS) is a cell density-dependent mechanism used by many pathogenic bacteria for regulating virulence gene expression. Inhibition or interruption of QS by medicinal plant remedies has been suggested as a new strategy for fighting against antibiotic-resistant bacteria. This study aimed to assess the impact of sub-inhibitory concentrations of licochalcone A (LAA) and epigallocatechi...
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Essential oils (EOs) form an important part of traditional medicine so their anti-microbial and, in the recent past, antiquorum sensing activity has been well studied. However it is likely that due to their hydrophobic nature and reduced solubility in aqueous environments full potential of their activity cannot be realized. hence it is only rational to formulate a process to make these molecule...
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The increasing incidence of multidrug-resistant pathogens has stimulated the search for novel anti-virulence compounds. Although many phytochemicals show promising antimicrobial activity, their power lies in their anti-virulence properties. Thus the quorum sensing (QS) inhibitory activity of four crude Kigelia africana fruit extracts was assessed qualitatively and quantitatively using the Chrom...
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Pseudomonas aeruginosa is a nosocomial pathogen colonizing patients with chronic infectious diseases and has gained resistance to all the known broad spectrum antibiotics available today. The present study showcases the antibiofilm potential of an essential oil (EO) from an underexplored Cinnamomum species namely, C. tamala, against P. aeruginosa biofilms. Furthermore, the synergistic effects o...
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