Cryptococcus Neoformans

Cryptococcus Neoformans BackgroundThe organism C neoformans is an encapsulated yeast; its environmental niche has not been completely defined, although outbreaks of disease have been associated in particular with pigeon roosts and otherwise large contaminated sites. There are two varieties of C neoformans, distinguished by antigenic differences in the outer compressing of the organism: serotypes A and D (C neoformans var neoformans, the most common strain) and serotypes B and C (C neoformans var gatti). Cryptococcus neoformans var neoformans is the principal pathogen in patients with AIDS.

Cryptococcus neoformans var gatti, which is found predominantly in Australia, Asia, a nd Southern California, has unless seldom been implicated to cause disease in this population. antigenic specificity of the capsular polysaccharides define the four different serotypes of C. neoformans; A, B, C and D. C. neoformans cast neoformans includes serotypes A and D while C. neoformans var. gattii are ass...If you want to take clear up a full essay, order it on our website: OrderEssay.net

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