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Sunday, July 21, 2013

Diphtheria (Corynebacterium diphtheriae)

Coryne bacterium are Gram-positive, aerobic, nonmotile, rod-shaped bacteria related to the Actinomycetes. They do not form spores or split up as do the actinomycetes, only they ware the characteristic of forming secondment shaped, club-shaped or V-shaped arrangements in prevalent growth. They endure snapping movements just afterwards cell division which brings them into characteristic arrangements resembling Chinese letters. The genus Corynebacteria consists of a respective(a) group of bacteria including living organism and plant pathogens, as well as saprophytes. Some corynebacteria are disunite of the normal flora of humans, finding a suitable niche in virtually every anatomical reference site. The best known and most widely canvas species is Corynebacterium diphtheriae, the causal component of the dis aver diphtheria. History and Background No bacterial disease of humans has been as success plenteousy analyse as diphtheria. The etiology, mode of transmission, morbific mechanism and molecular(a) terra firma of exotoxin structure, function, and natural process have been clearly established. Consequently, highly effective methods of sermon and prevention of diphtheria have been developed. The battleground of Corynebacterium diphtheriae traces closely the development of medical microbiology, immunology and molecular biology. Many contributions to these fields, as well as to our sagaciousness of host-bacterial interactions, have been made studying diphtheria and the diphtheria toxin. Hippocrates provided the send-off clinical description of diphtheria in the quaternary century B.C.
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There are as well as references to the disease in antique Syria and Egypt. In the 17th century, murderous epidemics of diphtheria sweep Europe; in Spain El garatillo (the strangler), in Italy and Sicily, the gullet disease. In the 18th century, the disease reached the American colonies and reached epidemic proportions in 1735. Often, only families died of the disease in a few weeks. The bacterium that caused diphtheria was first described by Klebs in 1883, and was cultivated by Loeffler in 1884, who use Kochs postulates and properly identified Corynebacterium... If you want to shrink a full essay, order it on our website: Ordercustompaper.com

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