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Cryptococcus is a genus of fungi in the family Cryptococcaceae that includes both yeasts and filamentous species. The filamentous, sexual forms or teleomorphs were formerly classified in the genus Filobasidiella , while Cryptococcus was reserved for the yeasts.
Cryptococcosis is a potentially fatal fungal infection of mainly the lungs, presenting as a pneumonia, and in the brain, where it appears as a meningitis. [4] [9] Coughing, difficulty breathing, chest pain and fever are seen when the lungs are infected. [5]
The Cryptococcaceae are a family of fungi in the order Tremellales.The family currently contains two genera.Some species produce filamentous, sexual states with distinctive basidia and are parasites of other fungi.
Cryptococcus gattii, formerly known as Cryptococcus neoformans var. gattii, is an encapsulated yeast found primarily in tropical and subtropical climates. Its teleomorph is Filobasidiella bacillispora , a filamentous fungus belonging to the class Tremellomycetes .
Cryptococcus neoformans is an encapsulated basidiomycetous yeast [1] belonging to the class Tremellomycetes and an obligate aerobe [2] that can live in both plants and animals. Its teleomorph is a filamentous fungus , formerly referred to Filobasidiella neoformans .
Cryptococcus consortionis is a fungus species. It produces colonies that are cream colored with a glistening, mucoid appearance. When grown in liquid media, this species requires constant agitation. This species growth range is from 4 °C to 23 °C, with growth at 23 °C occurring very slowly.
Solicoccozyma terrea (synonym Cryptococcus terreus) is a species of fungus in the family Piskurozymaceae. It is only known from its yeast state. In this state, it can use glucose, lactose, galactose and potassium nitrate. The cells are oval with mucous capsules. Cultures of the yeast are cream at first, becoming tan with a “tough” surface skin.
Cryptococcus ater is a species of Cryptococcus that has some unique characteristics. When grown on agar it typically produces cream colonies, however when grown on neopeptone agar slants, the colonies turn olive green after approximately four weeks.