Medium used for urease test: Any urea medium, agar (Christensen’s Urea Agar) or broth (Stuart’s Urea Broth). Urease test medium can be a sole medium or part of panel like motility indole urease (MIU) test. […]
The oxidase test is used to identify bacteria that produce cytochrome c oxidase, an enzyme of the bacterial electron transport chain. When present, the cytochrome c oxidase oxidizes the reagent (tetramethyl-p-phenylenediamine) to (indophenols) purple color end product. When the enzyme is […]
According to the latest blog posts in the website of American society of Microbiology, scientists have sequenced the genome of the fungus Pneumocystis jirovecii. This advancement may help identify new targets for drugs to treat […]
I strongly believe that Microbiology is the most interesting subject, blended with many interesting funny small creatures which are invisible to naked eyes of humans. The world of these tiny organisms is very big, dynamic, most interesting […]
Whenever we got ill, our body fights with those disease causing germs and try to make us feel better. The fight between the disease causing germs and our body system is very complex. Both the […]
Pseudomonas aeruginosa is a gram negative rod. Pseudomonas aeruginosa can resist high concentration of salt, dyes, weak antiseptics, and many commonly used antibiotics. Most pseudomonads known to cause disease in humans are associated with opportunistic […]
This is the collection of some multiple choice questions to check your understanding about immunology; definitions, terms, concepts etc. At the end of this immunology MCQ, i have posted the answers also. I expect persons who […]
During college life, the lecture of dermatophytes used to be more interesting than other classes of mycology. It’s not only because the dermatophytes are most common problems affecting all people (and of course students: whom […]
Sometime the name of the microorganisms and the microbial diseases are derived from the place of first isolation of the organism or occurrence of the disease. Sometime these names create confusion because the organism or disease initially […]
Culture is one of the most widely used laboratory diagnostic tool. Culture helps microbiologist for the identification and characterisation of the causative agents of the disease. To perform antimicrobial susceptiblity test also, microbiologist have to […]
When the specific antibodies (agglutinins) bind to surface antigens of bacteria/virus or any antigens immobilized in particulate matter (such as latex particle) and cause the formation of a visible clumps, such test is called agglutination test. […]
Counterimmunoelectrophoresis (CIE) is a modification of Ouchterlony method that speeds up migration of an antigen and antibody by applying an electrical current. Most bacterial antigens are negatively charged in a slightly alkaline environment, whereas antibodies […]
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