Low frequency of LRV1 in Leishmania braziliensis strains isolated from typical and atypical lesions in the State of Minas Gerais, Brazil

Diego H. Macedo, Armando Menezes-Neto, Jeronimo M. Rugani, Ana C. Rocha, Soraia O. Silva, Maria N. Melo, Lon Fye Lye, Stephen M. Beverley, Célia M. Gontijo, Rodrigo P. Soares

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

The double stranded RNA (dsRNA) virus Leishmaniavirus (Totiviridae) was first described in Leishmania guyanensis and L. braziliensis (LRV1), and more recently from L. major and L. aethiopica (LRV2). Parasites bearing LRV1 elicit a higher pro-inflammatory profile, arising through activation of Toll like receptor 3(TLR3) interacting with the viral dsRNA. LRV1 is most common in Leishmania from the Amazon region; however data for other regions of Brazil are more limited. Here we applied PCR tests with validated ‘universal’ LRV1 primers to search for LRV1 in 40 strains of cultured L. braziliensis from several locales within Minas Gerais State, including patients presenting with atypical lesion pathology. All strains were negative however. These data are in agreement with results from other areas of Southeastern Brazil that LRV1 is relatively uncommon.

Original languageEnglish
Pages (from-to)50-54
Number of pages5
JournalMolecular and Biochemical Parasitology
Volume210
Issue number1-2
DOIs
StatePublished - Nov 1 2016

Keywords

  • American cutaneous leishmaniasis
  • Leishmania braziliensis
  • Totiviridae

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