ISSN: 0973-7510

E-ISSN: 2581-690X

Open Access

Verma Rishabh1, Jain Pavithra2 , K.R. Pravin Chandra3 and R.D. Kulkarni2

1Seniour Resident, IHBAS Hospital, Delhi – 95, India.
2Department of Microbiology, SDMCMS and Hospital, Dharwad – 09, India.
3Medical Statistician and Student Welfare Officer, SDMCMS and Hospital, Dharwad – 09, India.
J Pure Appl Microbiol. 2017;11(4):1939-1946
https://doi.org/10.22207/JPAM.11.4.35 | © The Author(s). 2017
Received:15/11/2017 | Accepted: 20/12/2017 | Published: 31/12/2017
Abstract

Candida is one of the most common microorganisms forming biofilms. The present study was aimed to evaluate biofilm formation in different clinical Candida isolates and their adhesion to urinary catheter materials. The study comprised 150 Candida isolates from clinical samples. Colonies of Candida were identified to species level using standard tests. Biofilm formation was studied on microtitre plates.  Adhesion assay for the biofilm producers was performed on urinary catheter. Statistical Analysis was done by Chi square test. From 150 isolates collected; highest number of candida isolates were recovered from blood culture (44%) followed by urine (22.7%). Though C. albicans was the commonest isolate (44%), C. krusei was the most common species isolated from blood cultures (42 of 66; 63.6%). A total of 41 Candida isolates were found to produce Biofilm (27.3%; 41/150). The proportion of the biofilm producers in blood (27.3%), urine (32.4%) and exudates (29.6%) was almost identical. Lowest proportion of biofilm producers was found on dentures (17.4%) (Non-significant; p value 0.53). Higher biofilm producing tendency in urinary isolates may be contributory to their potential to cause UTI in catheterized patients. Higher isolation of C. krusei from blood samples was a noteworthy finding.

Keywords

Candida, Biofilm, adhesion, urinary catheter.

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© The Author(s) 2017. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.