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Introduction of DTM DTM stands for Dermatophyte Test Medium and it is a selective and differential medium recommended for the cultivation and isolation of pathogenic dermatophytic fungi. The Dermatophytes are a distinct group of fungi that infect the hair, skin, and nails in humans producing a variety of cutaneous infections known as ringworm. Dermatophytes are a group of three genera like Trichophyton, Microsporum and Epidermophyton are responsible for most of the cutaneous fungal infections. Principle of DTM Soya peptone provides nitrogenous and...

Introduction of Fungal Nail Infection Fungal nail infection is the common infection of the fingernails or toenails and is also called onychomycosis. This infection can cause the nail to become discolored, thick, and more likely to crack and break. Mode of Infection of Onychomycosis Fungal nail infections etiological agents are many different types of fungi (yeasts or molds) that live in the environment. Small cracks in the nail or the surrounding skin can allow these organisms...

Introduction of Streptococcus pyogenes Streptococcus pyogenes is a group A streptococcus that is responsible for a wide array of manifestations ranging from mild localized infections to life-threatening invasive infections.  Ineffective treatment of S. pyogenes infections can result in the postinfectious consequences of acute rheumatic fever and post-streptococcal glomerulonephritis. Besides, it causes invasive infections like necrotizing fasciitis and toxic shock syndrome that are associated with and high morbidity and mortality. Morphology of Streptococcus pyogenes  Ovoid to spherical in...