Gemella-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gemella morbillorum colony morphology on blood agar of blood culture

Introduction Gemella is a genus of bacteria that is part of the normal flora of the human body, particularly found in the oral cavity, gastrointestinal tract, and upper respiratory tract. These bacteria are typically harmless but can be opportunistic pathogens, especially in individuals with compromised …

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Sporothrix schenckii: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Sporothrix schenckii colony morphology on SDA

Introduction Sporothrix schenckii is a dimorphic fungus and the causative agent of the infection known as sporotrichosis or “rose gardener’s disease.” It is a relatively common fungal pathogen found worldwide, and it primarily affects the skin and subcutaneous tissues, although it can occasionally spread to …

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Penicillium marneffei: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Conidia, conidiophore, phialide,and metullae of Penicillium marneffei in LPCB tease mount of culture microscopy at a magnification of 400X

Introduction Penicillium marneffei is a thermally dimorphic fungus and a significant human pathogen, causing a rare but severe disease called penicilliosis marneffei. It is classified under the phylum Ascomycota and the family Talaromycetaceae. The fungus was first discovered and described by a French physician, Captain …

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