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....
Category: Bacteriology
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...
Indole test (Left: negative; Right: positive) Indole test is used to determine the ability of an organism to split amino acid tryptophan to form the compound indole. It is used as part of the...
A. Aerobic Bacteria Main Principle: Provide Oxygen Atmospheric condition is generally satisfactory for the culture of aerobes or facultative anaerobes but for the growth of many aerobes, it is...
Membrane filters have a known uniform porosity of predetermined size (generally 0.45 µm ) sufficiently small to trap microorganisms. Using the membrane filter technique, sample is passed through the...
Once a microorganism has been isolated and grown in pure culture, it becomes necessary to maintain the viability and purity of the microorganism by keeping the pure culture free from contamination....
