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Title: Comparative genomics of canine-isolated Leishmania (Leishmania) amazonensis from an endemic focus of visceral leishmaniasis in Governador Valadares, southeastern Brazil.
Authors: Valdivia Rodríguez, Hugo Oswaldo
Almeida, Laila Viana de
Roatt, Bruno Mendes
Cunha, João Luís Reis
Pereira, Agnes Antônia Sampaio
Gontijo, Célia Maria Ferreira
Fujiwara, Ricardo Toshio
Reis, Alexandre Barbosa
Sanders, Mandy J.
Cotton, James A.
Bartholomeu, Daniella Castanheira
Issue Date: 2017
Citation: VALDIVIA RODRIGUEZ, H. O. et al. Comparative genomics of canine-isolated Leishmania (Leishmania) amazonensis from an endemic focus of visceral leishmaniasis in Governador Valadares, southeastern Brazil. Scientific Reports, v. 7, p. 40804, 2017. Disponível em: <>. Acesso em: 29 ago. 2017.
Abstract: Leishmaniasis is a highly diverse group of diseases caused by kinetoplastid of the genus Leishmania. These parasites are taxonomically diverse, with human pathogenic species separated into two subgenera according to their development site inside the alimentary tract of the sand fly insect vector. The disease encompasses a variable spectrum of clinical manifestations with tegumentary or visceral symptoms. Among the causative species in Brazil, Leishmania (Leishmania) amazonensis is an important etiological agent of human cutaneous leishmaniasis that accounts for more than 8% of all cases in endemic regions. L. (L.) amazonensis is generally found in the north and northeast regions of Brazil. Here, we report the first isolation of L. (L.) amazonensis from dogs with clinical manifestations of visceral leishmaniasis in Governador Valadares, an endemic focus in the southeastern Brazilian State of Minas Gerais where L. (L.) infantum is also endemic. These isolates were characterized in terms of SNPs, chromosome and gene copy number variations, confirming that they are closely related to a previously sequenced isolate obtained in 1973 from the typical Northern range of this species. The results presented in this article will increase our knowledge of L. (L.) amazonensis-specific adaptations to infection, parasite survival and the transmission of this Amazonian species in a new endemic area of Brazil.
ISSN: 2045-2322
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