Isolation of antibiotic producing microorganisms and Determination of antimicrobial spectrum of isolates Principle: Soil is the prime storage of the microorganisms producing antibiotics which are […]
Spore staining technique: principle, requirements and procedure Principle: Members of the anaerobic genera Clostridium and Desulfotomaculum and the aerobic genus Bacillus are examples of organisms […]
Cell culture contamination: It is possible to describe a cell culture contaminant as any elements in the culture system that are unacceptable because of their […]
Principle of ONPG test: Lactose is a disaccharide of glucose and galactose which is connected by a β-galactoside bond. Lactose fermenting bacteria consist of both […]
Principle of PYR test: L-Pyrrolidonyl Arylamidase (PYR) test is one of the rapid tests employed for the identification of group a beta-hemolytic Streptococci and Enterococci […]
Principle of Decarboxylase test: Decarboxylases are a group of enzymes which acts by hydrolyzing an amino acid to form an amine. Decarboxylase test is mainly […]
Principle: Leucine Amino Peptidase (LAP) test is one of the rapid tests which is employed for the detection of the enzyme leucine amino peptidase. The […]
Principle: Microdase test is also termed as modified oxidase test. It is one of the rapid tests employed for the differentiation between Staphylococcus and Micrococcus […]
Principle: After E. coli, Staphylococcus saprophyticus is the second most causative organism for the Urinary tract infections (UTIs) in sexually active young women. Laboratory identification […]
Principle of Acetate utilization test: Acetate agar is employed to test an organism’s ability to utilize acetate. The medium consists of sodium acetate as the […]
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