Escherichia coli (E. coli) is a bacterium commonly found in the gut of humans and warm-blooded animals. Most E. coli are normal flora or commensals found in the intestinal tract. It is a...
Category: Bacteriology
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...
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...
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...
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...
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....