Abstract
Here, we compared the growth kinetics, cell-to-cell spread, and virus internalization kinetics in N2a cells of RABV variants isolated from vampire bats (V-3), domestic dogs (V-2) and marmosets (V-M) as well as the clinical symptoms and mortality caused by these variants. The replication rate of V-3 was significantly higher than those of V-2 and V-M. However, the uptake and spread of these RABV variants into N2a cells were inversely proportional. Nevertheless, V-3 had longer incubation and evolution periods. Our results provide evidence that the clinical manifestations of infection with bat RABV variant occur at a later time when compared to what was observed with canine and marmoset rabies virus variants.
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Acknowledgments
We would like to thank Keila Iamamoto Nogi and Willian de Oliveira Fahl for testing the RABV virus samples. We would like to thank Leo Iwai and Liron Kufert for refining the use of English in the manuscript.
This work was supported by Instituto Pasteur/Brazil.
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Katz, I.S.S., Fuoco, N.L., Chaves, L.B. et al. Delayed progression of rabies transmitted by a vampire bat. Arch Virol 161, 2561–2566 (2016). https://doi.org/10.1007/s00705-016-2927-3
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DOI: https://doi.org/10.1007/s00705-016-2927-3