Chlamydia trachomatis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Chlamydia trachomatis is a gram-negative bacterium and is an important human pathogen known for causing several diseases. It is an obligate intracellular bacterium, meaning it can only survive and reproduce inside host cells. C. trachomatis primarily infects epithelial cells of the mucous membranes in …

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

Introduction Mycoplasma hominis is a species of bacteria belonging to the Mollicutes class. It is a unique microorganism as it lacks a cell wall, making it one of the smallest self-replicating organisms known. Due to this feature, it has a pleomorphic appearance, taking various shapes, …

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Scabies: Introduction, Sign and Symptoms, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Scabies is a common and contagious skin infestation caused by the microscopic mite Sarcoptes scabiei. It is prevalent worldwide and can affect people of all ages and socioeconomic backgrounds. Scabies mites burrow into the top layer of the skin, where they lay eggs and …

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Trichomonas vaginalis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Trichomonas vaginalis is a parasitic protozoan that primarily infects the urogenital tract of humans, causing the sexually transmitted infection (STI) known as trichomoniasis. This microorganism is responsible for one of the most common curable STIs worldwide. T. vaginalis was first identified by Alfred Francois …

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Trichophyton mentagrophytes: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Colony morphology of Trichophyton mentagrophytes on dermatophyte test medium (DTM) plate and tube

Introduction Trichophyton mentagrophytes is a dermatophyte fungus belonging to the genus Trichophyton, which is known for causing various skin infections in humans and animals. It is an anthropophilic fungus, meaning it primarily infects humans, but it can also infect animals like rodents and domesticated pets. …

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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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Scopulariopsis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Chains of single-celled conidia and conidiophores(annellides) of Scopulariopsis in LPCB Tease mount of culture microscopy

Introduction Scopulariopsis is a genus of filamentous fungi belonging to the class Ascomycota. It is a widespread and diverse group of fungi found in various environmental niches. Scopulariopsis species (they) are commonly present in soil, decaying organic matter, and indoor environments. The name “Scopulariopsis” is …

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Salmonella Agglutination Test: Introduction, Test Result, Test Method, Clinical Significane, and Keynotes

Salmonella Agglutination Test

Introduction The Salmonella agglutination test is a laboratory diagnostic method used to identify and serotype Salmonella based on their surface antigens. Salmonella is a genus of bacteria that includes various species, some of which can cause foodborne illnesses and gastroenteritis in humans and animals. The …

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