Related Experiment Video
Updated: Aug 9, 2026

Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis
Published on: September 30, 2017
First isolation of Trichophyton fischeri in the United States
S A Rosenthal1, J S Scott, R C Summerbell
1New York University Medical Center, New York, New York, USA.
Abstract:
A 49-year-old male with Pneumocystis carinii pneumonia was seen at Bellevue Hospital in New York, N.Y. Sputum samples yielded cultures of Candida lusitaniae, Mycobacterium avium, and a filamentous fungus, Trichophyton fischeri. T. fischeri is a nonpathogenic fungus which resembles the dermatophyte Trichophyton rubrum. This is the first record of the species from U.S. sources. This case exemplifies the ecological differences between T. fischeri and T. rubrum and illustrates how correct identification of the former species can minimize diagnostic confusion. The two species are distinguished from each other by the type of growth on Casamino Acids-erythritol-albumin agar and by micromorphological differences.
More Related Videos
11:48A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates
Published on: October 28, 2021
10:36Isolation, Culture, and Characterization of Primary Schwann Cells, Keratinocytes, and Fibroblasts from Human Foreskin
Published on: March 23, 2022
Related Concept Videos
American Trypanosomiasis
Trichomoniasis