Pathogenic characteristics of yeasts isolated from vaginal secretion preserved under mineral oil
2011
B Severo Gomes | CM Souza Motta | AN Lima | ALF Porto
In order to evaluate the pathogenicity of yeasts isolated from vaginal secretion of pregnant and non-pregnant women - stored in mineral oil at the URM Mycology Collection, Department of Mycology, Federal University of Pernambuco - 30 samples belonging to the genera Candida, Rhodotorula, Trichosporon, and Kloeckera, were studied regarding their pathogenic characteristics, ability to grow at room temperature (28°C ± 1°C), 37°C, and 42°C for 72 hours, and production of both phospholipase and proteinase. Results showed that all 30 isolates (100%) were able to grow at room temperature and 37°C, and that 17 samples (57%) were able to grow at 42°C. Evaluation of enzymatic activity showed protease activity in only two isolates (7%), namely C. maritima and C. obtusa. Phospholipase activity was detected in 20 isolates (67%) using soy lecithin as substrate at different temperatures. The characterization of yeasts isolated from vaginal secretion and determination of their enzymatic activity may contribute to understanding the epidemiology of vulvovaginitis and assist in the treatment of patients.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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