Monster Essays - Diphtheria (Corynebacterium diphtheriae)
Diphtheria (Corynebacterium diphtheriae)
Corynebacteria are Gram-positive, aerobic, nonmotile, rod-shaped bacteria
related to the Actinomycetes. They do not form spores or branch as do the
actinomycetes, but they have the characteristic of forming irregular shaped,
club-shaped or V-shaped arrangements in normal growth. They undergo snapping
movements just after cell division which brings them into characteristic
arrangements resembling Chinese letters.
The genus Corynebacterium consists of a diverse group of bacteria including
animal and plant pathogens, as well as saprophytes. Some corynebacteria are part
of the normal flora ....