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Print version ISSN 0123-9392


GONGORA, Jennifher et al. Assessment of antibacterial activity by fat bodies extracts and hemolymph derived from the blowfly Sarconesiopsis magellanica (Diptera: Calliphoridae). Infect. [online]. 2015, vol.19, n.1, pp.3-9. ISSN 0123-9392.

Objective: This study aimed to evaluate the in vitro antibacterial activity of fat body and hemolymph extracts from Sarconesiopsis magellanica (Diptera: Calliphoridae) third-instar larvae, compared to the effect obtained using the same extracts but derived from Lucilia sericata . S. magellanica blowflies are considered important in forensic sciences due to their usefulness in determining the post mortem interval. This blowfly could be useful in larval therapy due to its necrophagous habits. Materials and methods: Fat body from larvae was removed by dissection, and hemolymph via decapitation and centrifugation of larval specimens. The antibacterial effect was tested against Staphylococcus aureus and Pseudomonas aeruginosa using two methods: agar diffusion and colony forming units (CFU/mL). Results: Hemolymph and fat body extracts derived from both L. sericata and S. magellanica were effective against S. aureus and P. aeruginosa , with no significant differences between blowfly species, although with some differences between the bacterial strains. Conclusions: The results obtained suggest that S. magellanica and L. sericata fat body and hemolymph extracts might have a similar antimicrobial activity against these microorganisms when used to treat infected wounds.

Keywords : Sarconesiopsis magellanica; Lucilia sericata; Body fat extracts; Hemolymph; Antibacterial activity.

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