Trichophyton

Genus of fungi

Trichophyton is a genus of fungi in the family Arthrodermataceae. This genus is known for containing species that cause dermatophytosis, commonly referred to as ringworm or tinea. Trichophyton species are keratinophilic, meaning they have the ability to invade and digest keratin in the skin, hair, and nails of humans and animals.

Description

Trichophyton species are characterized by their ability to produce both macroconidia and microconidia. The macroconidia are typically smooth, thin-walled, and pencil-shaped, while the microconidia are spherical or pyriform. These fungi are aerobic and grow well on Sabouraud agar.

Pathogenicity

Trichophyton species are responsible for a variety of cutaneous infections. The most common species, Trichophyton rubrum, is a leading cause of athlete's foot, jock itch, and onychomycosis. Other species, such as Trichophyton mentagrophytes and Trichophyton tonsurans, are also significant pathogens in humans and animals.

Epidemiology

Trichophyton infections are widespread and can be transmitted through direct contact with infected individuals or contaminated surfaces. The fungi thrive in warm, moist environments, making communal areas such as locker rooms and swimming pools common sites for transmission.

Treatment

Treatment of Trichophyton infections typically involves the use of antifungal medications. Topical treatments are often sufficient for mild infections, while oral antifungals may be necessary for more severe or widespread cases. Common antifungal agents include terbinafine, itraconazole, and fluconazole.

Related pages

• Dermatophyte
• Ringworm
• Athlete's foot

References

• Weitzman, I., & Summerbell, R. C. (1995). The dermatophytes. Clinical Microbiology Reviews, 8(2), 240-259.
• Havlickova, B., Czaika, V. A., & Friedrich, M. (2008). Epidemiological trends in skin mycoses worldwide. Mycoses, 51(Suppl 4), 2-15.