Influence of Biosurfactants from Probiotic Bacteria on Formation of Biofilms on Voice Prostheses

Author:

Rodrigues Lígia1,van der Mei Henny C.2,Teixeira José1,Oliveira Rosário1

Affiliation:

1. Centro de Engenharia Biológica, Universidade do Minho, Largo do Paço, 4719 Braga Codex, Portugal

2. Department of Biomedical Engineering, University of Groningen, 9713 AV Groningen, The Netherlands

Abstract

ABSTRACT Biofilms were grown on preconditioned voice prostheses with biosurfactants obtained from probiotic bacteria Lactococcus lactis 53 and Streptococcus thermophilus A in an artificial throat model. Both biosurfactants greatly reduced microbial numbers on prostheses and also induced a decrease in the airflow resistance that occurs on voice prostheses after biofilm formation. This study presents a promising strategy for prolonging the lifespan of voice prostheses.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference11 articles.

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2. Busscher, H. J., C. G. van Hoogmoed, G. I. Geertsema-Doornbusch, M. van der Kuijl-Booij, and H. C. van der Mei. 1997. Streptococcus thermophilus and its biosurfactants inhibit adhesion by Candida spp. on silicone rubber. Appl. Environ. Microbiol.10:3810-3817.

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5. Elving, G. J., H. C. van der Mei, H. J. Busscher, R. van Weissenbruch, and F. W. Albers. 2002. A comparison of the microbial composition of voice prosthetic biofilms from patients requiring frequent versus infrequent replacements. Ann. Otol. Rhinol. Laryngol.111:200-203.

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