Paracoccidioides brasiliensis habitat: far beyond armadillo burrows?
Mem. Inst. Oswaldo Cruz
; 115: e200208, 2020. tab, graf
Article
in En
| LILACS, SES-SP
| ID: biblio-1135227
Responsible library:
BR1.1
ABSTRACT
Paracoccidioides spp. isolation from environmental samples is rare and hardly reproducible. Molecular techniques have facilitated the fungal detection. However, it can be still difficult. Some strategies to enhance the capacity of DNA detection have been adopted, including the analysis of soil samples belonging to the habitat of animals from which Paracoccidioides spp. have already been isolated, notably armadillo burrows. To date, the detection of Paracoccidioides spp. has not yet been reported from outbreak hotspots. Clusters and outbreaks of acute paracoccidioidomycosis (PCM), usually a more severe clinical form, have currently occurred in urban areas being associated to climate changes, deforestation, and great constructions. These occurrences potentially signalise the fungus' environmental niche, a riddle not yet solved. The authors performed an environmental investigation in a deeply disturbed area, after a highway construction in Rio de Janeiro, Brazil, where a recent outbreak of acute PCM occurred. Specific DNA sequences of Paracoccidioides brasiliensis were detected in shallow soil samples around the highway, reinforcing the association between the road construction and this PCM outbreak.
Key words
Full text:
1
Index:
LILACS
Main subject:
Paracoccidioides
/
Paracoccidioidomycosis
/
Armadillos
/
DNA, Fungal
Limits:
Animals
Country/Region as subject:
America do sul
/
Brasil
Language:
En
Journal:
Mem. Inst. Oswaldo Cruz
Journal subject:
MEDICINA TROPICAL
/
PARASITOLOGIA
Year:
2020
Type:
Article