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J Virol. 2012 Nov;86(22):12451. doi: 10.1128/JVI.02258-12.

Complete genome sequence of Central Africa human T-cell lymphotropic virus subtype 1b.

Author information

  • 1Laboratory of Molecular Genetics of Microorganisms, Oswaldo Cruz Institute (IOC), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, Brazil.

Abstract

Human T-lymphotropic virus type 1 (HTLV-1) has a global spread, and it is estimated that around 20 million persons are infected. Seven major genetic subtypes are recognized. However, there are complete genomes only from the HTLV-1a (cosmopolitan) and HTLV-1c (Melanesian) subtypes. Here, the first full-length genome of an HTLV-1b strain, a subtype so far restricted to Central African countries, is revealed. The genome size of HTLV-1b SF26, a strain isolated in Brazil, was determined to be 8,267 bp. The genomic analysis showed that all characteristic regions and genes of a prototypic HTLV-1 virus are conserved. This genome can provide information for further studies on the evolutionary history and pathogenic potential of this human oncovirus.

PMID:
23087114
[PubMed - indexed for MEDLINE]
PMCID:
PMC3486502
Free PMC Article
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