TORULOPSIS (CANDIDA)

SPECIES

MICROSCOPIC APPEARANCE

Consists of small, oval budding yeast cells. No pseudohyphae or ascospores.

MACROSCOPIC APPEARANCE

Surface: White to cream
Reverse: White
Growth Rate: Rapid to very rapid

DISTINGUISHING FEATURES

Small colonies, oval, with single terminal budding and nonencapsulated yeast cells can be seen.

HABITAT

Torulopsis are cosmopolitan.

PATHOGENICITY

Causes infections occurring usually in the bloodstream or urinary tract and sometimes in the lungs and other sites. The organism is also found in healthy individuals and appears to cause infection only in patients with severe underlying disease or in immunocompromised patients; the pattern of disease may be bronchopulmonary, genitourinary, or septicemic.

RECOMMENDED MEDIA

INCUBATION

Temperature: 25 degrees C.
Time: 3 days

REFERENCES

1. Hensyl, William R., et al. 1990. Stedman's Medical Dictionary , 25th ed. Williams & Wilkins, Baltimore, MD.

2. St. Germain, Guy, and Summerbell, Richard, Ph.D. 1996. Identifying Filamentous Fungi , 1st ed. Star Publishing Company, Belmont, CA.

3. Larone, Davise H. 1995. Medically Important Fungi, A Guide to Identification , 3rd ed. American Society for Microbiology Press, Washington, D.C.

4. The Oxoid Vade-Mecum of Microbiology . 1993. Unipath Ltd., Basingstoke, UK.


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