Trichophyton rubrum
![](https://parasiteguide.libbymitchell.dcreate.domains/wp-content/uploads/2021/05/Superficial-Figure-5-rev.jpg)
Morphological Characteristics
Colonies are generally flat or slightly raised. Cells are thin and cylindrical.
Identification Methods
Generally can be diagnosed by seeing a scaly rash on the foot and infection on the toenail. Skin scrapings can also be viewed under the microscope.
Life Cycle
-Infects human keratinized tissue (skin, nails, and sometimes hair)
-Dermatophyte releases athroconidal adhesin which bind to the the host so that germination occurs and the fungus invades the skin though protease secretion
HOST INFORMATION
- Only parasites to humans
- Spreads through contact with infected skin scales or contact with fungi in damp areas like showers, locker rooms, or pools)
- Use antifungal ointment or prescription strength medication
GEOGRAPHIC DISTRIBUTION
This fungi occurs worldwide.
SOURCES
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4797125/
https://www.cdc.gov/healthywater/hygiene/disease/athletes_foot.html
https://www.mayoclinic.org/diseases-conditions/athletes-foot/diagnosis-treatment/drc-20353847
http://microbiologybook.org/mycology/2018mycology-4.htm
https://mycology.adelaide.edu.au/descriptions/dermatophytes/trichophyton/