Screening for pathogenic yeasts isolated from pigeon droppings in the Federal District-Pigeons: propagators of pathogenic fungi?

Authors

  • Fabiana Brandão
  • Lis Shadday
  • Bruno Moreno Monteiro Gomes
  • Adriane Torquati
  • Fabiana Brandão

Keywords:

Infectious diseases, Pigeon droppings, Cryptococcus sp, Candida spp

Abstract

Objective: To investigate the presence of pathogenic fungi isolated from pigeon stool samples, in places of care for immunocompromised patients in the Federal District. Method: The samples were collected in hospitals where care is offered to HIV / AIDS patients and which has a massive presence of pigeons. Yeast colonies were previously selected on Sabouraud Dextrose Agar plus chloramphenicol, followed by microscopic analysis of the yeast structures. Yeast colonies suspected of belonging to the genus Candida spp. or Cryptococcus sp., were inoculated in the Chromogenic Agar medium to identify Candida species and in chemically defined Agar medium to induce the virulence phenotypes characteristic of Cryptococcus sp. Results: 100% of the analyzed samples showed growth of yeasts of the genus Candida spp. and Rhodotorula sp. In the chromogenic agar medium, 75% were identified in C. krusei samples; C. tropicalis in 50% and C. glabrata in 15%. In 15% of the samples, yeasts of the genus Cryptococcus sp. Conclusion: Data from this study suggest that pigeon feces may be dispersing pathogenic yeasts and contributing to the incidence of fungal infections in DF.

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Published

2020-11-24

How to Cite

Brandão, F., Shadday, L., Gomes, B. M. M., Torquati, A., & Brandão, F. (2020). Screening for pathogenic yeasts isolated from pigeon droppings in the Federal District-Pigeons: propagators of pathogenic fungi?. Revista De Divulgação Científica Sena Aires, 9(4), 823–833. Retrieved from https://rdcsa.emnuvens.com.br/revista/article/view/523

Issue

Vol. 9 No. 4 (2020): REVISA

Section

Original Paper

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