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Infection with C. neoformans is termed cryptococcosis. Most infections with C. neoformans occur in the lungs, as the fungus enters its host through the respiratory route. [14] However, fungal meningitis and encephalitis, especially as a secondary infection for AIDS patients, are often caused by C. neoformans, making it a particularly dangerous ...
Unlike Cryptococcus neoformans, C. gattii is not particularly associated with human immunodeficiency virus infection or other forms of immunosuppression. Increased virulence may be related to its capability to rapidly proliferate within lymphocytes. [15] C. gattii infection is more likely to be limited to the lung (rather than disseminating to ...
As of 2009 there were globally approximately 958,000 annual cases and 625,000 deaths within three months after infection. [27] Although C. neoformans infection most commonly occurs as an opportunistic infection in immunocompromised people (such as those living with AIDS), C. gattii often infects immunocompetent people as well. [28]
Cryptococcus gattii (formerly C. neoformans var. gattii) is endemic to tropical parts of the continent of Africa and Australia. It is capable of causing disease in non-immunocompromised people. In its yeast state it has been isolated from eucalyptus trees in Australia.
However, there are examples of animal and human parasites where the species are dimorphic but it is the yeast-like state that is infectious. [18] The genus Filobasidiella forms basidia on hyphae but the main infectious stage is more commonly known by the anamorphic yeast name Cryptococcus, e.g. Cryptococcus neoformans [19] and Cryptococcus ...
Candida species tend to be the culprit of most fungal infections and can cause both systemic and superficial infection. [6] Th1-type cell-mediated immunity (CMI) is required for clearance of a fungal infection. Candida albicans is a kind of diploid yeast that commonly occurs among the human gut microflora. C. albicans is an opportunistic ...
Cryptococcus neoformans is a basidiomycetous fungus that grows as a budding yeast in culture and infected hosts. C. neoformans causes life-threatening meningoencephalitis in immunocompromised patients. It undergoes a filamentous transition during the sexual cycle to produce spores, the suspected infectious agent.
A blastoconidium (plural blastoconidia) is an asexual holoblastic conidia formed through the blowing out or budding process of a yeast cell, which is a type of asexual reproduction that results in a bud arising from a parent cell. [1] [2] The production of a blastoconidium can occur along a true hyphae, pseudohyphae, or a singular yeast cell. [3]