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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 .
Dermatophyte (from Greek δέρμα derma "skin" (GEN δέρματος dermatos) and φυτόν phyton "plant") [1] is a common label for a group of fungus of Arthrodermataceae that commonly causes skin disease in animals and humans. [2] Traditionally, these anamorphic (asexual or imperfect fungi) mold genera are: Microsporum, Epidermophyton ...
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]
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TFOHS is a long-term fungal condition where athlete's foot or fungal toe nail infections in both feet is associated with tinea manuum in one hand. [3] [7] It typically presents with a diffuse scaling rash on the palm of one hand, which is preceded, sometimes by several years, by fungal infection in both feet. [3]
It may have a variety of appearances; most easily identifiable are the enlarging raised red rings with a central area of clearing (). [3]The same appearances of ringworm may also occur on the scalp (tinea capitis), beard area (tinea barbae) or the groin (tinea cruris, known as jock itch or dhobi itch).
Being unaware of Harz's work, Castellani and Sabouraud identified the species again in 1905 and 1907, respectively, and both placed the fungus into the genus Epidermophyton. [11] Epidermophyton is one of the three dermatophyte fungal genera; it is distinct from the other two genera ( Microsporum and Trichophyton ) for the absence of ...