Corynebacterium diphtheriae Corynebacteria are classified as Actinobacteria and are gram positive in nature. They are rod shaped bacteria that survives in aerobic environment and are […]
Microorganisms found on the skin The normal flora are regularly distributed among specific areas of our body and are extremely complex including of more than […]
What is Immunoassay? An immunoassay is a biochemical test that measures the concentration of a substance in a liquid (a portion of a biological specimen) […]
Microbial assay Microorganisms have found widespread uses in the performance of bioassays for: Determining the concentration of certain compounds (e.g., amino-acids, vitamins and some antibiotics) […]
What are prions? Prions are unusual proteinaceous infectious particles that cause a group of universally fatal neurodegenerative disease called the spongiform encephalopathies by an entirely […]
Genus: Shigella Dysentery is a clinical condition of multiple etiology characterized by frequent passage of blood-stained mucopurulent stool. The causative agent of bacillary dysentery (Disease […]
Genus Salmonella: Salmonella is an enterobacteria (fermentative, facultative anaerobes, oxidase -ve, gram -ve rods, catalase +ve). Motile (generally), aerogenic, non-lactose fermenting urease -ve, citrate +ve, […]
Specimens: It includes nasal mucosa, skin lesions, ear lobules. Occasionally, lymph nodes and affected nerves. Method of collecting of skin smears: Slit and scrap method: […]
Leprosy: Hansen’s disease (leprosy) is a chronic granulomatous disease of humans primarily involving the skin, peripheral nerves and nasal mucosa but capable of affecting any […]
Yeast as a model organism in genetics, cell and molecular biology Budding yeast ( Saccharomyces cerevisiae ) is extensively used as a model organism for […]
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