Sequeira H, Cabrita J, De Vroey C, Wuytack-Raes C
Clinica Dermatologica, Universitaria de Lisboa, Hospital de Santa Maria, Portugal.
J Med Vet Mycol. 1991;29(6):417-8.
In addition to its requirement for histidine, Trichophyton megninii can be readily differentiated from certain other dermatophytes, particularly Trichophyton rubrum, by its "+" mating type and a positive urease test on urea-indole broth.