Incidence Of Microsporum Species From Different Soil And Water Samples From South Tamilnadu

C. Banu Rekha, G. Krishnaveni

Abstract


Fungi found in soil,water and the variation and prevalence in each area depends on
environmental and nutritional conditions. It constitutes humus and organic material. The wastewater is rich in pathogenic and non-pathogenic keratinophilic fungi including dermatophytes. Most of the fungal isolates from the waste water have already been reported as dermatophytes causing infections of skin, scalps or hair. More than 100 species of fungi are generally recognized as a pathogen for man found in soil. The majority of dermatophytes can live as saprophytically and considered as potential pathogen. These fungi can cause different types of tinea in humans. The fungal flora was analyzed in different samples for the presence of dermatophytes and keratinophilic fungi by hair baiting technique. Considering the importance of  transmission of diseases, this study aims at assessing the frequency of dermatophyte ie., microsporum Species, in various  soil and water samples collected from house, hospitals, swimming pools, sewage water, bathing water, slum, park, and the rest room water. In our present study we isolated microsporum Species from selected soils and water.They were isolated by using spread plate technique and microscopically by Lactophenol cotton blue technique. The samples were cultured on Sabouraud's dextrose agar, containing Chloramphenicol and Cyclohexamide, and incubated at 25- 30οC for 3 - 4 weeks aerobically. Isolates were identified by colony morphology. Five Species of microsporum were identified it includes M.gypseum, M.canis, M.cookei, M.nanum, M.distortum. The results demonstrated that dermatophytes microsporum sp is somewhat different from that in other parts. This may be due to the different climatic conditions and unhygienic status prevailing. Considering, the fact that most of the potential pathogenic fungi were isolated from the public areas.


Keywords


Dermatophytes, water, soil, Microsporum, Spread plate technique

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