Category: Medecine

Gram-negative bacilli

Classification of medically important Gram-negative bacilli

Gram-negative bacilli are a large group of non-spore-forming bacteria adapted to a wide range of habitats/niches. A large number of genera are inhabitants of the large intestine (e.g. E. coli, Proteus, Klebsiella), some are...

pathogenesis of rheumatic fever

Streptococci symptoms, shape, types, diagnosis and pathogenesis of rheumatic fever

The streptococci are Gram-positive spherical bacteria that characteristically form pairs or chains during growth, They are differentiated from Staphylococci by being catalase-negative, They are widely distributed in nature, Some are members of the normal...