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  • Title: Genetic and phylogenetic characterization of rabies virus isolates from wildlife and livestock in Paraiba, Brazil.
    Author: Shoji Y, Kobayashi Y, Sato G, Gomes AA, Itou T, Ito FH, Sakai T.
    Journal: Acta Virol; 2006; 50(1):33-7. PubMed ID: 16599183.
    Abstract:
    Thirty-four rabies virus (RV) isolates from foxes (8), insectivore bats (9), cattle (14), sheep (1), a goat (1) and a donkey (1) from Paraiba state, northeastern Brazil, were genetically characterized. Sequences of 890 nts of nucleoprotein (N) genes of these isolates were analyzed and compared with those of other Brazilian isolates characterized earlier. Phylogenetic analysis revealed three genetical lineages of RV co-existing in this region. Each lineage was found to be associated with particular host species and to circulate independently of each other. The first lineage was found in foxes (Dusicyon sp.) and could be discriminated from domestic carnivore isolates from Sao Paulo, Goias and Minas Gerais in the southern and central Brazil. The second lineage was associated with insectivorous bats (Molossus spp.) and differed from vampire bat-associated RV isolates. The third lineage was found in livestock and clustered with vampire bat-associated RV isolates from Sao Paulo, Tocantins, Goias and Matto Grosso. These results indicate that RV of these genetic lineages are cocirculating in the Paraiba state and that livestock in this region are infected with vampire bat-associated RV, suggesting that the vampire bat is the main reservoir of livestock rabies in this region.
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