Nocardia – Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Beaded, branching, gram-positive bacilli of Nocardia species

Introduction Nocardia is a genus of aerobic, gram-positive bacteria. It belongs to the actinomycetes group. These bacteria are partially acid-fast due to mycolic acid in their cell walls. They commonly appear as branching filamentous rods. Nocardia species are found in soil and water. They can …

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Mycoplasma pneumoniae: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Mycoplasma pneumoniae is a unique type of bacteria that belongs to the class Mollicutes. What sets it apart from other bacteria is its lack of a cell wall, which is a characteristic feature of most bacterial species. This absence of a cell wall makes …

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Aspergillus flavus: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Aspergillus flavus colony morphology on Czapek Dox Agar plate

Introduction Aspergillus flavus is a filamentous fungus belonging to the Aspergillus genus, which comprises a wide variety of mold species. This particular species is commonly found in the environment and is known for its economic and medical significance. It is commonly associated with food and …

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