Principle: Bacitracin is the antibiotic produced by Bacillus licheniformis and this drug interferes the formation of peptidoglycan, a major component of bacterial cell wall. Bacitracin blocks bactoprenol […]
Principle of Bile solubility test : The bile solubility test is employed to distinguish Streptococcus pneumoniae from alpha-haemolytic Streptococcus spp. The basis of bile solubility […]
Principle of Hippurate hydrolysis test : Hippurate hydrolysis test is performed for the identification of Campylobacter jejuni, Listeria monocytogenes, Gardnerella vaginalis, and Streptococcus agalactiae. The […]
Principle: MRS broth is a medium for the cultivation of lactobacilli and is specifically useful for a number of fastidious strains which is unable to […]
Principle of Optochin susceptibility test: Streptococcus pneumoniae is found generally on respiratory tract and has a hemolytic pattern identical to other alpha-hemolytic streptococci and lactobacilli. […]
Principle of MUG test: About 97% strains of Escherichia coli and organisms as such Salmonella, Shigella, and Yersinia are capable of producing enzyme β-glucuronidase. MUG […]
Principle: Salmonella-shigella (SS) agar is generally employed for the selective isolation and differentiation of Salmonella and Shigella in both clinical and nonclinical samples. However, SS […]
Principle: Haemophilus spp. typically grows on chocolate agar as smooth, flat or convex buff, or slightly yellow colonies. Chocolate agar provides hemin (X factor) and […]
Principle: The phenylalanine deaminase (PDA) test is employed to differentiate among the urea- positive gram-negative bacilli on the basis of the ability of the microorganisms […]
Objective: To check whether the organism is capable of utilizing malonate as sole source of carbon and energy for its growth. To categorize organisms on […]
Copyright © 2024 | WordPress Theme by MH Themes