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To analyze HIV-1 genes in a nonhuman primate model for lentivirus infection and AIDS, recombinant SIV/HIV-1 (SHIV) clones were constructed from two HIV-1 subtype-A isolates (HIV-1 SF170 and HIV-1 Q23–17 from individuals in Africa) and two HIV-1 subtype-E isolates (HIV-1 9466 and HIV-1 CAR402 from AIDS patients in Thailand and Africa), respectively. These four SHIV clones,...
SIV/HIV-1 (SHIV) chimeric clones, constructed by substituting portions of the pathogenic molecular clone SIVmac239 with counterpart portions from HIV-1 clones, provide a means to analyze functions of selected HIV-1 genes in vivo in nonhuman primates. Our studies focused on SHIVsf33, which contains the vpu, tat, rev, and env genes of the cytopathic, T-cell line tropic clone HIV-1sf33 (subtype-B); this...
The role of the feline immunodeficiency virus (FIV) vif gene in establishing productive infection in feline peripheral blood mononuclear cells (PBMCs) and monocyte-derived macrophages (MDMs) was examined in cell culture systems. A 375-bp deletion was introduced into the vif gene of the wild-type FIV-pPPR infectious molecular clone to produce Vif deletion mutant FIV-pPPRΔvif. This mutant FIV proviral...
Human immunodeficiency virus type 1 (HIV-1) is restricted for replication in rhesus macaque cells and does not establish infection in this species. The block to productive infection of macaque peripheral blood mononuclear cells (PBMC) in culture was investigated. A chimeric virus SHIV containing HIV-1tat, rev,andenvand all other genes from a simian immunodeficiency virus clone pathogenic in macaques...