Medically important fungi 2003

    Fungal Taxonomy and Diversity       Downloaded from  www.pharmacy123.blogfa.com Fungi & Production • • • • Antibiotics (Penicillin, Cephalosporins) Alcoholic beverages Breads Cheese, dairy products Downloaded from  www.pharmacy123.blogfa.com Fungi & Agriculture!  Penicillium mold on oranges! Downloaded from  www.pharmacy123.blogfa.com Corn with fungal  Fungi & Health!  athlete’s foot! oral thrush! Downloaded from  www.pharmacy123.blogfa.com Characteristics of fungi!    • Fungi are, multicellular eukaryotes (except Yeasts) • Perform absorptive nutrition • Reproduce sexually and asexually by forming  spores Cell membranes with ergosterol • Cell walls with polysaccharides (chitin) and  proteins Downloaded from  www.pharmacy123.blogfa.com Chitin is a polymer of N-acetyl glucoseamine Downloaded from  www.pharmacy123.blogfa.com Fungal Morphology!  • Yeasts: single cells, 3-10 µm, bud or divide  • Molds: hyphae (filaments)  • Fungi can be dimorphic  Downloaded from  www.pharmacy123.blogfa.com Downloaded from  www.pharmacy123.blogfa.com Pseudohyphae of Candida albicans Downloaded from  www.pharmacy123.blogfa.com Yeast colony Mold colony Downloaded from  www.pharmacy123.blogfa.com Ringworm (Tinea Corporis, Tinea Faciei Typical ringworm lesions are red  circles with raised scaly borders        Tinea gladiatorum in a young wrestler  Trichophyton, andDownloaded from  Epidermophyton www.pharmacy123.blogfa.com Typical ringworm lesions are red circles with  raised scaly borders Ringworm on the ankle has grown into a large irregular shape with scaly borders  and central clearing (Tinea pedis) Downloaded from  www.pharmacy123.blogfa.com A patient with extensive ringworm on the back, forming overlapping rings  (Tinea corporis) Downloaded from  www.pharmacy123.blogfa.com Ringworm on the face in an adult  (Tinea facei) Downloaded from  www.pharmacy123.blogfa.com Tinea Unguium Downloaded from  www.pharmacy123.blogfa.com Athletes foot infection Downloaded from  www.pharmacy123.blogfa.com Photograph of thumb of a veterinarian infected with S schenckii during  treatment of a cat infected with sporotrichosis.  Downloaded from  www.pharmacy123.blogfa.com This image displays an extensive yeast (candida) infection  around the mouth, with tiny red bumps and pus-filled lesions.  Downloaded from  www.pharmacy123.blogfa.com Tinea barbae is a cutaneous fungal infection of  the beard area Downloaded from  www.pharmacy123.blogfa.com Superficial mycosis • Infects only the epiderm layer of the skin • Called Tinea versicolor or Pitriasis Downloaded from  www.pharmacy123.blogfa.com Oral candidiasis Downloaded from  www.pharmacy123.blogfa.com Cutaneous candidiasis Downloaded from  www.pharmacy123.blogfa.com Pneumocystis carinii Pneumonia in an  Untreated HIV-Infected Patient Downloaded from  www.pharmacy123.blogfa.com Cryptococcus neoformans Downloaded from  www.pharmacy123.blogfa.com LUNG ASPERGILLOSIS Downloaded from  www.pharmacy123.blogfa.com