Full Length Research Paper
Abstract
Water supply assumes an important role, since it can serve as a vehicle for microorganisms such as viruses, bacteria and pathogenic fungi. The presence of a group of microorganisms (fungi) that cause deterioration of water quality is related to the production of secondary metabolites, such as antibiotics and toxins. One of the reasons of carrying out tests with these organisms is, among other things, to verify their antimicrobial activity against other pathogens. From this, five fungi species isolated from the Water Supply System of High Heaven (Pestalopsis palestris, Cladosporium cladosporioides, Trichoderma pseudokoningii, Curvularia lunata (50) and Penicillium sp. (45)) were tested against the bacteria of clinical interest (Staphylococcus aureus (UFPEDA 01), Pseudomonas aeruginosa (UFPEDA 39), Mycobacterium tuberculosis (UFPEDA 71)) and three oxacillin-resistant S. aureus ( ORSA UFPEDA 709, 730, 733) using the disc diffusion method. It was observed that the extract of Penicillium sp. showed antibacterial activity against S. aureus (730 ORSA).
Key words: Test activity, filamentous fungi, Staphylococcus aureus (ORSA).
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