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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 neoformans stained with light India ink. Radiotrophic fungi are fungi that can perform the hypothetical biological process called radiosynthesis, which means using ionizing radiation as an energy source to drive metabolism.
India ink (British English: Indian ink; [1] also Chinese ink) is a simple black or coloured ink once widely used for writing and printing and now more commonly used for drawing and outlining, especially when inking comic books and comic strips. India ink is also used in medical applications.
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] [12] Coughing, difficulty breathing, chest pain and fever are seen when the lungs are infected. [5]
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 .
The India ink test is still used for detection of meningitis caused by Cryptococcus neoformans, [37] [38] but the cryptococcal antigen (CrAg) test has a higher sensitivity. [ 39 ] Chemistry
Mysore Paints and Varnish Limited, formerly Mysore Lac and Paints Limited, is a company located in the southern Indian city of Mysore, Karnataka.It is the only company in India authorised to produce indelible ink, which is used in elections to prevent people from voting multiple times.
For bright-field microscopy, negative staining is typically performed using a black ink fluid such as nigrosin and India ink.The specimen, such as a wet bacterial culture spread on a glass slide, is mixed with the negative stain and allowed to dry.