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Volume: 6 , Issue: 4

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Indian Journal of Microbiology Research


Biofilm production by staphylococcus aureus and staphylococcus epidermidis: an evaluation of three different screening methods


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Author Details : Sathish JV, Ashwini M, Sujith Pavan

Volume : 3, Issue : 4, Year : 2016

Article Page : 446-449


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Abstract

Purpose: The purpose of this study was to determine the rate of biofilm production by S.aureus and S.epidermidis isolated from different clinical specimens.
Methods: Quantitation of biofilm formation by staphylococci was carried out using three in vitro methods namely tissue culture plate (TCP), tube method (TM), and congo red agar (CRA) method.
Results: Out of 237 (94.8%) S.aureus isolates tested, 25 strains were found to form biofilm, out of these one (0.42%) was strong biofilm producer and 24 (10.12%) were moderate biofilm producers. In TM and CRA method 20 (8.43%) and 10 (4.2%) strains were moderate biofilm producers, rest were considered as weak or non-biofilm producers. All the 25 biofilm positive strains were S.aureus.
Conclusion: The TCP method is more sensitive to detect biofilm formation by S.aureus when compare to tube method (TM), and congo red agar (CRA) method.

Keywords:
Biofilm, CRA, S.aureus, S.epidermidis, TCP, TM

How to cite : Sathish Jv, Ashwini M, Pavan S, Biofilm production by staphylococcus aureus and staphylococcus epidermidis: an evaluation of three different screening methods. Indian J Microbiol Res 2016;3(4):446-449

Copyright © 2016 by author(s) and Indian J Microbiol Res. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (creativecommons.org)