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Onygenales
The Onygenales are an order of fungi in the class Eurotiomycetes and division Ascomycota. The order's last common ancestor is estimated to have lived 150 million years ago. Onygenales can consume and break down keratin, the main component of the outer layer of skin. They are primarily found on animals, droppings, and areas frequented by animals. Many are dimorphic, and can change from mold to yeast form depending on their environment. Many onygenalean fungi are pathogens. One species, ''Trichophyton rubrum'', is the primary cause of athlete's foot. This order also includes Coccidioides implicated in Valley fever. The Onygenales are important as emerging human pathogens because of the rising rates of immunosuppression due to live-organ transplant, HIV/AIDS, and autoimmune disorders such as lupus erythematosus Lupus erythematosus is a collection of autoimmune diseases in which the human immune system becomes hyperactive and attacks healthy tissues. Symptoms of these disease ...
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Onygenales
The Onygenales are an order of fungi in the class Eurotiomycetes and division Ascomycota. The order's last common ancestor is estimated to have lived 150 million years ago. Onygenales can consume and break down keratin, the main component of the outer layer of skin. They are primarily found on animals, droppings, and areas frequented by animals. Many are dimorphic, and can change from mold to yeast form depending on their environment. Many onygenalean fungi are pathogens. One species, ''Trichophyton rubrum'', is the primary cause of athlete's foot. This order also includes Coccidioides implicated in Valley fever. The Onygenales are important as emerging human pathogens because of the rising rates of immunosuppression due to live-organ transplant, HIV/AIDS, and autoimmune disorders such as lupus erythematosus Lupus erythematosus is a collection of autoimmune diseases in which the human immune system becomes hyperactive and attacks healthy tissues. Symptoms of these disease ...
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Eurotiomycetes
Eurotiomycetes is a large class of ascomycetes with cleistothecial ascocarps within the subphylum Pezizomycotina, currently containing around 3810 species according to the Catalogue of Life. It is the third largest lichenized class, with more than 1200 lichen species that are mostly bitunicate in the formation of asci. It contains most of the fungi previously known morphologically as "Plectomycetes". Systematics and phylogeny Internal relationships The class Eurotiomycetes was circumscribed in 1997 by Swedish mycologists Ove Erik Eriksson and Katarina Winka. At that time it only contained the order Eurotiales, which together with the next order added, Onygenales, form a monophyletic group comprising most of the fungi in "Plectomycetes", a group no longer in use that unified fungi under exclusively morphological characteristics. As more orders were added to Eurotiomycetes, the first two along with Arachnomycetales became constrained to the first subclass, Eurotiomycetidae. I ...
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Ajellomycetaceae
The Ajellomycetaceae are a family of fungi in the Ascomycota, class Eurotiomycetes. The family contains eight genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat .... References Onygenales Ascomycota families Taxa described in 2004 {{Eurotiomycetes-stub ...
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Onygenaceae
The Onygenaceae are a family of fungi in the Ascomycota, class Eurotiomycetes. Genera These are the genera that are in the Onygenaceae, according to a 2021 review of fungal classification. Following the genus name is the taxonomic authority (those who first circumscribed the genus; standardized author abbreviations are used), year of publication, and the estimated number of species. * '' Amauroascus'' – 15 spp. * '' Aphanoascus'' – 18 spp. * '' Apinisia'' – 3 spp. * '' Arachnotheca'' – 1 sp. * '' Ascocalvatia'' – 1 sp. * '' Auxarthron'' – 13 spp. * '' Auxarthronopsis'' – 2 spp. * '' Bifidocarpus'' – 2 spp. * '' Byssoonygena'' – 1 sp. * '' Canomyces'' – 1 sp. * '' Castanedomyces'' – 1 sp. * '' Chlamydosauromyces'' – 1 sp. * ''Chrysosporium'' – 66 spp. * ''Coccidioides ''Coccidioides'' is a genus of dimorphic ascomycetes in the family Onygenaceae. Member species are the cause of coccidioidomycosis, also known as San Joaquin Valley fever, ...
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Coccidioides
''Coccidioides'' is a genus of dimorphic ascomycetes in the family Onygenaceae. Member species are the cause of coccidioidomycosis, also known as San Joaquin Valley fever, an infectious fungal disease largely confined to the Western Hemisphere and endemic in the Southwestern United States. The host acquires the disease by respiratory inhalation of spores disseminated in their natural habitat. The causative agents of coccidioidomycosis are ''Coccidioides immitis'' and ''Coccidioides posadasii''. Both ''C. immitis'' and ''C. posadasii'' are indistinguishable during laboratory testing and commonly referred in literature as ''Coccidioides''. Clinical presentation Coccidioidomycosis is amazingly diverse in terms of its scope of clinical presentation, as well as clinical severity. About 60% of ''Coccidioides'' infections as determined by serologic conversion are asymptomatic. The most common clinical syndrome in the other 40% of infected patients is an acute respiratory i ...
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Onygena
''Onygena'' is the type genus of the fungal family Onygenaceae The Onygenaceae are a family of fungi in the Ascomycota, class Eurotiomycetes. Genera These are the genera that are in the Onygenaceae, according to a 2021 review of fungal classification. Following the genus name is the taxonomic authority (tho .... The genus contains five species found in North America and Europe that grow on bones and feathers. References External links * Onygenales Eurotiomycetes genera Taxa named by Christiaan Hendrik Persoon Taxa described in 1800 {{Eurotiomycetes-stub ...
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Onygena Equina
''Onygena equina'', commonly known as the horn stalkball, is a species of fungus in the family Onygenaceae. The fungus grows on putrefying hooves and horns, and can digest the keratin in those substrates. Fruit bodies are small and white, with thick stipes supporting a "head" shaped like a flattened sphere. The skin, or peridium, of the head appears powdery or like a white crust, and breaks open in maturity, falling off in irregular pieces to expose the pale reddish-brown powdery spores within. The fungus is known from Europe and North America. Taxonomy The species was first described by Carl Ludwig von Willdenow as ''Lycoperdon equinum'' in 1787. Christian Hendrik Persoon transferred it to the genus ''Onygena'' in 1800, giving it the name by which it is known today. The specific epithet ''equina'' is the Latin word for "horse". The common name for the fungus is "horn stalkball". Description The fruit bodies have a spherical, flattened head that is whitish to cream before b ...
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Gymnoascaceae
The Gymnoascaceae are a family of fungi in the Ascomycota, class Eurotiomycetes Eurotiomycetes is a large class of ascomycetes with cleistothecial ascocarps within the subphylum Pezizomycotina, currently containing around 3810 species according to the Catalogue of Life. It is the third largest lichenized class, with more th .... References Onygenales Ascomycota families {{Eurotiomycetes-stub ...
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Arthrodermataceae
The Arthrodermataceae are a family of fungi containing nine dermatophyte genera — '' Epidermophyton'', '' Microsporum'', ''Nannizzia'', ''Trichophyton ''Trichophyton'' is a genus of fungi, which includes the parasitic varieties that cause tinea, including athlete's foot, ringworm, jock itch, and similar infections of the nail, beard, skin and scalp. Trichophyton fungi are molds characterize ...'', ''Paraphyton'', ''Lophophyton'', ''Guarromyces'', ''Ctenomyces'' and ''Arthroderma''.de Hoog GS, Dukik K, Monod M, et al. Toward a novel multilocus phylogenetic taxonomy for the dermatophytes. Mycopathologia. 2017; 182(1-2): 5-31. References External links''Trichophyton'' spp.at Doctor FungusMycology Unit at the Adelaide Women's and Children's Hospital * Parasitic fungi Onygenales Ascomycota families {{parasite-stub ...
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Ascosphaeraceae
The Ascosphaeraceae are a family of fungi in the Ascomycota, class Eurotiomycetes Eurotiomycetes is a large class of ascomycetes with cleistothecial ascocarps within the subphylum Pezizomycotina, currently containing around 3810 species according to the Catalogue of Life. It is the third largest lichenized class, with more th .... References External links * Onygenales Ascomycota families Taxa described in 1955 {{Eurotiomycetes-stub ...
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Trichophyton Rubrum
''Trichophyton rubrum'' is a dermatophytic fungus in the phylum Ascomycota. It is an exclusively clonal, anthropophilic saprotroph that colonizes the upper layers of dead skin, and is the most common cause of athlete's foot, fungal infection of nail, jock itch, and ringworm worldwide. ''Trichophyton rubrum'' was first described by in 1845 and is currently considered to be a complex of species that comprises multiple, geographically patterned morphotypes, several of which have been formally described as distinct taxa, including ''T. raubitschekii'', ''T. gourvilii'', ''T. megninii'' and ''T. soudanense''. Growth and morphology Typical isolates of ''T. rubrum'' are white and cottony on the surface. The colony underside is usually red, although some isolates appear more yellowish and others more brownish. ''Trichophyton rubrum'' grows slowly in culture with sparse production of teardrop or peg-shaped microconidia laterally on fertile hyphae. Macroconidia, when present, are ...
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Lupus Erythematosus
Lupus erythematosus is a collection of autoimmune diseases in which the human immune system becomes hyperactive and attacks healthy tissues. Symptoms of these diseases can affect many different body systems, including joints, skin, kidneys, blood cells, heart, and lungs. The most common and most severe form is systemic lupus erythematosus. Signs and symptoms Symptoms vary from person to person, and may come and go. Almost everyone with lupus has joint pain and swelling. Some develop arthritis. Frequently affected joints are the fingers, hands, wrists, and knees. Other common symptoms include: * chest pain during respiration * joint pain (stiffness and swelling) * painless oral ulcer * fatigue * weight loss * headaches * fever with no other cause * Skin lesions that appear worse after sun exposure * general discomfort, uneasiness, or ill feeling (malaise) * hair loss * sensitivity to sunlight * a "butterfly" facial rash, seen in about half of people with SLE * swollen lym ...
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