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Applied and Environmental Microbiology, July 2004, p. 4408-4410, Vol. 70, No. 7
0099-2240/04/$08.00+0     DOI: 10.1128/AEM.70.7.4408-4410.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

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

Lígia Rodrigues,1 Henny C. van der Mei,2 José Teixeira,1* and Rosário Oliveira1

Centro de Engenharia Biológica, Universidade do Minho, Largo do Paço, 4719 Braga Codex, Portugal,1 Department of Biomedical Engineering, University of Groningen, 9713 AV Groningen, The Netherlands2

Received 11 September 2003/ Accepted 31 March 2004

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.

* Corresponding author. Mailing address: Centro de Engenharia Biológica—IBQF, Universidade do Minho, Largo do Paço, 4719 Braga CODEX, Portugal. Phone: 351-253-604400. Fax: 351-253-678986. E-mail: jateixeira{at}deb.uminho.pt.

Applied and Environmental Microbiology, July 2004, p. 4408-4410, Vol. 70, No. 7
0099-2240/04/$08.00+0     DOI: 10.1128/AEM.70.7.4408-4410.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Rodrigues, L., Banat, I. M., Teixeira, J., Oliveira, R. (2006). Biosurfactants: potential applications in medicine. J Antimicrob Chemother 57: 609-618 [Abstract] [Full Text]  


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