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Paracoccidioides brasiliensis isolated from nine-banded armadillos (Dasypus novemcinctus) reveal population structure and admixture in the amazon basin


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

National Institute of Allergy and Infectious Diseases

National Institutes of Health

National Institute of General Medical Sciences

Paracoccidioidomycosis is an endemic fungal disease to Latin America caused by at least five species-level genotypes of Paracoccidioides, named P. lutzii, P. brasiliensis (S1a and S1b populations), P. americana, P. restrepiensis, and P. venezuelensis. In this manuscript, we report on Paracoccidioides sp. sampling efforts in armadillos from two different areas in Brazil. We sequenced the genomes of seven Paracoccidioides isolates and used phylogenomics and populations genetics for genotyping. We found that P. brasiliensis and P. lutzii are both present in the Amazon region. Additionally, we identified two Paracoccidioides isolates that seem to be the result of admixture between divergent populations within P. brasiliensis sensu stricto. Both of these isolates were recovered from armadillos in a P. lutzii endemic area in Midwestern Brazil. Additionally, two isolates from human patients also show evidence of resulting from admixture. Our results suggest that the populations of P. brasiliensis sensu stricto exchange genes in nature. More generally, they suggest that population structure and admixture within species is an important source of variation for pathogenic fungi.

Departamento de Microbiologia e Imunologia Instituto de Biociências de Botucatu Universidade Estadual Paulista/UNESP

Department of Biology University of North Carolina

Faculdade de Medicina Universidade de Brasília, DF

Faculdade de Ciências Biológicas e Agrárias Universidade do Estado de Mato Grosso, Campus de Alta Floresta

Pathogen and Microbiome Institute Northern Arizona University

Departamento de Microbiologia e Imunologia Instituto de Biociências de Botucatu Universidade Estadual Paulista/UNESP

FAPESP: 2018/06390-9

CNPq: 460999/2014-1

National Institute of Allergy and Infectious Diseases: ADHS16-162415

National Institutes of Health: ADHS16-162415

National Institute of Allergy and Infectious Diseases: ADHS17-0007403

National Institutes of Health: ADHS17-0007403

National Institute of General Medical Sciences: R01GM121750

National Institutes of Health: R01GM121750

National Institute of Allergy and Infectious Diseases: R21AI28536

National Institutes of Health: R21AI28536

Document Type Journal article
Language English
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