Jatobal virus is a reassortant containing the small RNA of Oropouche virus

M. F. Saeed, H. Wang, M. Suderman, D. W C Beasley, A. Travassos da Rosa, L. Li, R. E. Shope, R. B. Tesh, A. D T Barrett

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54 Scopus citations


Jatobal (JAT) virus was isolated in 1985 from a carnivore (Nasua nasua) in Tucuruí, Pará state, Brazil and was classified as a distinct member of the Simbu serogroup of the Bunyavirus genus, family Bunyaviridae on the basis of neutralization tests. On the basis of nucleotide sequencing, we have found that the small (S) RNA of JAT virus is very similar ( > 95% identity) to that of Oropouche (ORO) virus, in particular, the Peruvian genotype of ORO virus. In comparison, limited nucleotide sequencing of the G2 protein gene, encoded by the middle (M) RNA, of JAT and ORO viruses, revealed relatively little identity ( < 66%) between these two viruses. Neutralization tests confirmed the lack of cross-reactivity between the viruses. These results suggest that JAT virus is a reassortant containing the S RNA of ORO virus. JAT virus was attenuated in hamsters compared to ORO virus suggesting that the S RNA of ORO virus is not directly involved in hamster virulence.

Original languageEnglish (US)
Pages (from-to)25-30
Number of pages6
JournalVirus Research
Issue number1
StatePublished - 2001


  • Jabotal virus
  • RNA
  • Virus

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases
  • Cancer Research


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