Immunoglobulin M (IgM), the largest pentameric immunoglobulin, is a marker of recent primary infection for some diseases. IgM constitutes 5-10% of serum immunoglobulins in adults. IgM has a...
Year: 2016
Some pathogenic microorganisms when propagated in a culture medium give distinctive colors to their colonies. Such pigmentation comes in a variety of hues and often provides important diagnostic...
Gram-Negative Cocci and Coccobacilli of Medical Significance
The most common gram-negative cocci of medical importance belong to the family Neisseriaceae which includes the genera Neisseria, Moraxella, Kingella, Acinetobacter, etc. Gram...
Influenza virus, the causative agent of seasonal flu (and pandemic flu) is a deadly contagious virus. It is the only virus of medical importance in the family Orthomyxoviruses. Paramyxoviruses...
Candida albicans is an endogenous organism found in 40 to 80% of normal humans as commensal in the gastrointestinal tract, oropharynx, and female genital tract. It is a commonest cause of candidiasis...
Nutrient Agar Nutrient agar media is used as a general-purpose medium to grow a wide variety of non-fastidious microorganisms. It consists of peptone, beef extract, and agar....