Virulence Factors of Yeasts Isolated From Oral Lesions
Annals of the College of Medicine, Mosul,
Volume 41, Issue 2, Pages 170-177
AbstractObjectives: To detect the virulence factors of yeasts which are proteinase and phospholipase which have important role in the pathogenesis of oral lesions. Patients and methods: This study included 120 children manifested with oral lesions admitted to the Consultating Clinic and Medical Wards of Ibn – Sina and Ibn Al – Ather Teaching Hospitals in addition to Neonatal Care Unit of Al – Battol Teaching Hospital. Samples collected during the period from December 2012 – May 2013. Control group was 60 apparently healthy children from whom oral swabs 'were obtained. Identification' of' the isolated yeasts were conceded by "direct examination, culture, biochemical tests and API – 20 C system, then detection of' protienase and phospholipase of yeasts isolated from oral lesions".
Results: Candida albicans isolates have a high expression rate for the production of proteinase (95.3%) and phospholipase(97.1%) in comparison to the other candida and yeast species with a significant difference (p = 0.001).
Conclusion: The isolates produce two important virulence factors namely proteinase and phospholipase significantly more in Candida albicans than other yeasts.
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