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Trichophyton rubrum is a dermatophytic fungus in the phylum Ascomycota. It is an exclusively clonal, [ 2 ] 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. [ 3 ]
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 characterized by the development of both smooth-walled macro- and microconidia .
Athlete's foot is most commonly caused by the molds known as Trichophyton rubrum and T. mentagrophytes, [22] but may also be caused by Epidermophyton floccosum. [23] [24] Most cases of athlete's foot in the general population are caused by T. rubrum; however, the majority of athlete's foot cases in athletes are caused by T. mentagrophytes. [13]
Trichophyton tonsurans is a fungus in the family Arthrodermataceae that causes ringworm infection of the scalp. It was first recognized by David Gruby in 1844. [ 1 ] Isolates are characterized as the "–" or negative mating type of the Arthroderma vanbreuseghemii complex.
Trichophyton mentagrophytes is one of three common fungi which cause ringworm in companion animals and frequently isolated from dogs, cats, rabbits, guinea pigs and other rodents. [2] [3] [4] It is the most common or one of the most common fungi that cause zoonotic skin disease (i.e., transmission of mycotic skin disease from species to species ...
Bottom view of a Sabouraud agar plate with a colony of Trichophyton rubrum var. rodhaini CHROMAgar (a chromogenic agar ) with its distinctive presentation of some major fungal pathogens. Fungi ( ascomycetes ) growing in axenic cultures , each of which is a culture of one selected organism and is free of all other organisms, enabling study of ...
[3] [5] The type of fungus involved may vary in different parts of the world; for example, Trichophyton rubrum and Epidermophyton floccosum are common in New Zealand. [7] Less commonly Trichophyton mentagrophytes and Trichophyton verrucosum are involved. [8] Trichophyton interdigitale has also been implicated. [5]
Onychomycosis (also known as "dermatophytic onychomycosis", or "tinea unguium" [2] is a fungal infection of the nail. [8] It is the most common disease of the nails and constitutes about half of all nail abnormalities. [9] This condition may affect toenails or fingernails, but toenail infections are particularly common. It occurs in about 10% ...