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  • Title: Prevalence of Mycobacterium leprae and Mycobacterium lepromatosis in roadkill armadillos in Brazil.
    Author: Monsalve-Lara J, Drummond M, Romero-Alvarez D, Velho P, Jiménez-García D, Marques R, Peterson AT, Angerami RN, Silva DP, Donalisio MR.
    Journal: Acta Trop; 2024 Oct; 258():107333. PubMed ID: 39067841.
    Abstract:
    To evaluate the prevalence of Mycobacterium leprae and Mycobacterium lepromatosis in road killed armadillos identified along Brazilian regions, samples of liver, spleen, muscle, ear, nose and tail were collected on highways from 78 animals. The armadillos were of four different species, Cabassous tatouay, Dasypus novemcinctus, Dasypus septemcinctus and Euphractus sexcinctus. After DNA extraction from two tissues, specific primers were used for the detection of each pathogen using SYBR green qualitative Real-Time PCR, and amplicons were sequenced. The species with the highest prevalence was D. novemcinctus, mainly in the Central-West, South, and Southeast regions of Brazil. We detected M. leprae DNA in 32 (41 %) of the 78 individuals and M. lepromatosis DNA was not identified in any of the examined samples. The zoonotic component of leprosy may play a role in the transmission of the disease in endemic areas in which environmental conditions and contact with reservoirs must be investigated.
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