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Rhodotorula minuta fungemia in a ewe lamb
C G Chitko-McKown1, K A Leymaster, M P Heaton
1USDA-ARS, U.S. Meat Animal Research Center, Clay Center, NE, USA.
Transboundary and Emerging Diseases
|January 26, 2013
Summary
A sheep developed a fungal infection, Rhodotorula minuta, identified through tissue culture and DNA sequencing. This marks the first reported case of Rhodotorula fungemia in a U.S. sheep.
Area of Science:
- Veterinary Mycology
- Infectious Diseases
- Ovine Health
Background:
- Fungal infections in livestock can impact animal health and agricultural productivity.
- Accurate identification of fungal pathogens is crucial for effective treatment and disease control.
- Rhodotorula species are increasingly recognized as opportunistic pathogens in various hosts.
Observation:
- Fungal budding was observed in choroid plexus, kidney, and monocyte cell cultures derived from an 8-month-old ewe.
- Initial diagnostic tests for common fungal pathogens in the ewe's serum were negative.
- DNA sequencing and BLAST analysis identified the causative agent as Rhodotorula minuta.
Findings:
- The study reports the first documented case of Rhodotorula fungemia in a sheep in the United States.
- Rhodotorula minuta, an emerging opportunistic pathogen, was identified in multiple tissue cultures.
- Confirmatory testing was performed at a specialized mycology laboratory.
Implications:
- This finding highlights the potential for Rhodotorula minuta to cause fungemia in sheep.
- Increased awareness and diagnostic vigilance for Rhodotorula species in ovine infections are warranted.
- Further research into the pathogenesis and treatment of Rhodotorula fungemia in sheep may be necessary.
