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Abstract Title:

Honey as a Strategy to Fightin Mixed-Biofilms with.

Abstract Source:

Antibiotics (Basel). 2020 Jan 21 ;9(2). Epub 2020 Jan 21. PMID: 31973242

Abstract Author(s):

Liliana Fernandes, Ana Oliveira, Mariana Henriques, Maria Elisa Rodrigues

Article Affiliation:

Liliana Fernandes


Fungal contaminations withspecies are commonly responsible for several infections, especially when associated to bacteria. The therapeutic approach commonly used is being compromised due to microbial resistances of these microorganisms to antimicrobial agents, especially in biofilm. The use of honey as an antimicrobial agent has been emerging as a valuable solution and proving its potential in planktonic and in biofilm cells. This work aims to assess the effect of different honeys on biofilms ofand. The effect of Portuguese heather (PH) and manuka honeys on planktonic growth ofwas initially evaluated by determination of the minimum inhibitory concentrations (MIC). Then, the same effect was evaluated in mixed biofilms, by colony-forming units numeration and fluorescence microscopy. The combinations of honey plus fluconazole and gentamicin were also tested. The results showed that the honeys tested enabled a great reduction of, both in planktonic (12.5% and 25% of MIC for PH and manuka) and in biofilm. In polymicrobial biofilms, the use of PH and manuka honeys was revealed to be a promising choice and an alternative treatment, since they were able to reduce cells from both species. No synergistic effect was observed in antimicrobial combinations assays against polymicrobial biofilms.

Study Type : In Vitro Study

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