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J Virol. 1990 September; 64(9): 4585-4588

Characterization and expression of novel singly spliced RNA species of human immunodeficiency virus type 1.

Department of Microbiology and Immunology, UCLA School of Medicine.

ABSTRACT

Human immunodeficiency virus type 1 (HIV-1) expresses the Vif, Vpr, Vpu, and Env proteins through complex differential splicing of a single full-length RNA precursor. We used HIV-1-specific oligonucleotide primer pairs in a quantitative polymerase chain reaction procedure on RNA from fresh peripheral blood lymphocytes infected with HIV-1JR-CSF to detect and characterize the singly spliced RNA species which might encode these proteins. The nucleotide sequences at the junctions of splice donor and acceptor sites of these RNAs were determined. One of these RNAs, which has not been previously described, appears to be a novel HIV-1 RNA encoding Env and/or Vpu proteins.

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