Abstract:
INTRODUCTION:Fungi of the genus Cryptococcus are cosmopolitan and may be agents of opportunistic mycoses in immunocompromised and sometimes immunocompetent individuals. Cryptococcus species are frequently isolated from trees and bird excreta in the environment and infection occurs by inhalation of propagules dispersed in the air. The aim was to investigate Cryptococcus species in bird excreta and tree hollows located in a university hospital area and in an academic area of a university campus. METHODOLOGY:A total of 40 samples of bird excreta and 41 samples of tree hollows were collected. The identification of the isolates was done by classical methodology and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. RESULTS:Twenty (62.5%) isolates of Cryptococcus were found in bird excreta and 12 (37.5%) in tree hollows. C. laurentii (currently Papiliotrema laurentii) was the most frequent species in both samples, being found in 5 samples of excreta and in 8 tree hollows. The diversity of species found in excreta (C. laurentii, C. albidus [currently Naganishia albida], C. liquefaciens [currently N. liquefaciens], C. friedmanii [currently N. friedmannii] and others) was higher than in tree hollows (C. laurentii, C. flavescens [currently Papiliotrema flavescens], and other yeasts). CONCLUSION:Many Cryptococcus species were isolated from excreta and tree hollows, and this fact is important for understanding the environmental epidemiology of those emerging pathogens for public health, as a way to implement surveillance actions and control of cryptococcosis.
journal_name
J Infect Dev Ctriesjournal_title
Journal of infection in developing countriesauthors
Brito MO,Bessa MAS,Menezes RP,Röder DVDB,Penatti MPA,Pimenta JP,Aguiar PADF,Pedroso RDSdoi
10.3855/jidc.10849subject
Has Abstractpub_date
2019-06-30 00:00:00pages
545-553issue
6eissn
2036-6590issn
1972-2680journal_volume
13pub_type
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journal_title:Journal of infection in developing countries
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