Original Articles

Lucilia sericata Maggot Extract: A Promising Tool against Biofilms of Antimicrobial Resistant Strains of Staphylococcus aureus and Pseudomonas aeruginosa

Abstract

Background:   This study explores the impact of Lucilia sericata maggots on the development and eradication of biofilms created by the pathogenic bacteria, Staphylococcus aureus and Pseudomonas aeruginosa.

Methods:   We assessed the influence of Lucilia sericata maggot extract on the viability of planktonic bacteria, the formation and disruption of biofilms, bacterial metabolic activity. Also the effect of simultaneous ES-antibiotic treatment in biofilm elimination was investigated. Additionally, the expression levels of genes associated with biofilm formation, namely LasI, psLA, agrA, and icaD was studied.

Results:   The results showed that ES can reduce the viability of planktonic S. aureus, significantly. Furthermore, ES of larvae fed on S. aureus-infected meat displayed the most substantial inhibition of biofilm formation (62.11% and 75.04% inhibition for S. aureus and P. aeruginosa, respectively). A similar trend was observed in biofilm destruction, with values of 56.67% and 68.50% inhibition for S. aureus and P. aeruginosa, respectively. The simultaneous application of ES of larvae that fed on S. aureus-infected meat and the minimum inhibitory concentration (MIC) of gentamicin resulted in 100% inhibition of biofilm formation by S. aureus. Notably, the group treated with ES of larvae fed on S. aureus-infected meat exhibited the most significant reduction in metabolic activity, with values of 95.03% and 68.25% for S. aureus and P. aeruginosa, respectively. The expression of LAsI and pslA genes in P. aeruginosa and the expression of agrA and icaD genes in S. aureus has decreased

Conclusion:   The findings of this study demonstrate that maggot extract has not only impacted the formation, but also eliminated the biofilms of S. aureus and P. aeruginosa.

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IssueVol 12 No 1 (2024) QRcode
SectionOriginal Articles
DOI https://doi.org/10.18502/jmb.v12i1.15020
Keywords
Antimicrobial resistance Biofilm Lucilia sericata Pseudomonas aeruginosa Staphylococcus aureus.

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How to Cite
1.
Rashid S, Momeni-Moghaddam M, Ghavidel Z. Lucilia sericata Maggot Extract: A Promising Tool against Biofilms of Antimicrobial Resistant Strains of Staphylococcus aureus and Pseudomonas aeruginosa. J Med Bacteriol. 2024;12(1):43-58.