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Viewing the fungi under a microscope, Micheli was reminded of the shape of an aspergillum (holy water sprinkler), from Latin spargere (to sprinkle), and named the genus accordingly. [2] [3] Aspergillum is an asexual spore-forming structure common to all Aspergillus species; around one-third of species are also known to have a sexual stage. [4]
Aspergillus penicillioides is a species of fungus in the genus Aspergillus, and is among the most xerophilic fungi. [1]Aspergillus penicillioides is typically found in indoor air, house dust, and on substrates with low water activity, such as dried food, papers affected by foxing, and inorganic objects such as binocular lenses. [2]
On microscopy, Aspergillus species are reliably demonstrated by silver stains, e.g., Gridley stain or Gomori methenamine-silver. [27] These give the fungal walls a gray-black colour. The hyphae of Aspergillus species range in diameter from 2.5 to 4.5 μm.
Aspergillus niger is a mold classified within the Nigri section of the Aspergillus genus. [1] The Aspergillus genus consists of common molds found throughout the environment within soil and water, on vegetation, in fecal matter, on decomposing matter, and suspended in the air. [ 2 ]
Aspergillus giganteus is a species of fungus in the genus Aspergillus (from Latin "aspergillum," meaning "holy water sprinkler") that grows as a mold. [2] It was first described in 1901 by Wehmer, [ 1 ] and is one of six Aspergillus species from the Clavati section of the subgenus Fumigati . [ 3 ]
Aspergillus parasiticus is a fungus belonging to the genus Aspergillus. [1] This species is an unspecialized saprophytic mold, mostly found outdoors in areas of rich soil with decaying plant material as well as in dry grain storage facilities. [ 2 ]
Aspergillus versicolor is a slow-growing species of filamentous fungus commonly found in damp indoor environments and on food products. [ 1 ] [ 2 ] It has a characteristic musty odor associated with moldy homes and is a major producer of the hepatotoxic and carcinogenic mycotoxin sterigmatocystin .
Aspergillus fumigatus is a species of fungus in the genus Aspergillus, and is one of the most common Aspergillus species to cause disease in individuals with an immunodeficiency. Aspergillus fumigatus , a saprotroph widespread in nature, is typically found in soil and decaying organic matter, such as compost heaps, where it plays an essential ...