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Category: Bacteriology

Stool Sample: Collection and Transport

We all know microbiological specimens must be promptly transported to the laboratory within a few hours. If there is a delay, special transport media may be needed depending upon the types of...

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link to Urease Test: Principle, Procedure, Results

Urease Test: Principle, Procedure, Results

Urease is a constitutively expressed enzyme that hydrolyzes urea to carbon dioxide and ammonia. Many organisms especially those that infect the urinary tract, have a urease enzyme that is able to...

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link to Oxidase Test: Principle, Procedure, Results

Oxidase Test: Principle, Procedure, Results

The oxidase test is a technique for detecting the presence of the terminal enzyme system in aerobic respiration called cytochrome C oxidase or cytochrome a3. Usually, the family Enterobacteriaceae...

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Pseudomonas aeruginosa: Infections, Pathogenesis and Lab Diagnosis

Pseudomonas aeruginosa is a gram-negative rod. Pseudomonas aeruginosa can resist high concentrations of salt, dyes, weak antiseptics, and many commonly used antibiotics. Most pseudomonads known to...

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link to Leprosy: Etiology, Pathogenesis, Lab Diagnosis

Leprosy: Etiology, Pathogenesis, Lab Diagnosis

Leprosy is an age-old disease, associated with social stigma; historical records and literature show that people afflicted with leprosy have often been ostracized by their communities and families....

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link to Coagulase Test: Principle, Procedure, Results

Coagulase Test: Principle, Procedure, Results

The coagulase test helps to identify Staphylococcus aureus which produces the enzyme coagulase (coagulates) plasma from coagulase-negative staphylococci (CONS). Coagulase is also the virulence factor...

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Microbeonline.com is an online guidebook on Microbiology, precisely speaking, Medical Microbiology. This blog shares information and resources about pathogenic bacteria, viruses, fungi, and parasites.  We are trying our best to make this site user-friendly and resourceful with timely/updated information about each pathogen, disease caused by them, pathogenesis, and laboratory diagnosis.

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