Isolation of human immunodeficiency virus-type 1 (HIV-1) clones with biological and molecular properties of the primary isolate

Albert, 1990, Replicative capacity of HIV-2, like HIV-1, correlates with severity of immunodeficiency, AIDS, 4, 291, 10.1097/00002030-199004000-00002 Asjo, 1986, Replicative capacity of human immunodeficiency virus from patients with varying severity of HIV infection, Lancet, 2, 660, 10.1016/S0140-6736(86)90169-8 Beaumont, 2004, Increased sensitivity to CD4 binding site-directed neutralization following in vitro propagation on primary lymphocytes of a neutralization-resistant human immunodeficiency virus IIIB strain isolated from an accidentally infected laboratory worker, J. Virol., 78, 5651, 10.1128/JVI.78.11.5651-5657.2004 Berger, 1997, HIV entry and tropism: the chemokine receptor connection, AIDS, 11, S3 Berger, 1998, A new classification for HIV-1, Nature, 391, 240, 10.1038/34571 Bjorndal, 1997, Coreceptor usage of primary human immunodeficiency virus type 1 isolates varies according to biological phenotype, J. Virol., 71, 7478, 10.1128/jvi.71.10.7478-7487.1997 Bleul, 1997, The HIV coreceptors CXCR4 and CCR5 are differentially expressed and regulated on human T lymphocytes, Proc. Natl. Acad. Sci. U.S.A., 94, 1925, 10.1073/pnas.94.5.1925 Choe, 1996, The beta-chemokine receptors CCR3 and CCR5 facilitate infection by primary HIV-1 isolates, Cell, 85, 1135, 10.1016/S0092-8674(00)81313-6 Connor, 1997, Change in coreceptor use correlates with disease progression in HIV-1–Infected individuals, J. Exp. Med., 185, 621, 10.1084/jem.185.4.621 Dalgleish, 1984, The CD4 (T4) antigen is an essential component of the receptor for the AIDS retrovirus, Nature, 312, 763, 10.1038/312763a0 De Jong, 1992, Minimal requirements for the human immunodeficiency virus type 1 V3 domain to support the syncytium-inducing phenotype: analysis by single amino acid substitution, J. Virol., 66, 6777, 10.1128/jvi.66.11.6777-6780.1992 de Jong, 1992, Human immunodeficiency virus type 1 clones chimeric for the envelope V3 domain differ in syncytium formation and replication capacity, J. Virol., 66, 757, 10.1128/jvi.66.2.757-765.1992 Deng, 1996, Identification of a major co-receptor for primary isolates of HIV-1, Nature, 381, 661, 10.1038/381661a0 Doranz, 1996, A dual-tropic primary HIV-1 isolate that uses fusin and the beta-chemokine receptors CKR-5, CKR-3, and CKR-2b as fusion cofactors, Cell, 85, 1149, 10.1016/S0092-8674(00)81314-8 Feng, 1996, HIV-1 entry cofactor: functional cDNA cloning of a seven-transmembrane, G protein-coupled receptor, Science, 272, 872, 10.1126/science.272.5263.872 Fenyo, 1988, Distinct replicative and cytopathic characteristics of human immunodeficiency virus isolates, J. Virol., 62, 4414, 10.1128/jvi.62.11.4414-4419.1988 Folks, 1986, Susceptibility of normal human lymphocytes to infection with HTLV-III/LAV, J. Immunol., 136, 4049, 10.4049/jimmunol.136.11.4049 Fouchier, 1992, Phenotype-associated sequence variation in the third variable domain of the human immunodeficiency virus type 1 gp120 molecule, J. Virol., 66, 3183, 10.1128/jvi.66.5.3183-3187.1992 Fouchier, 1995, Simple determination of human immunodeficiency virus type 1 syncytium-inducing V3 genotype by PCR, J. Clin. Microbiol., 33, 906, 10.1128/jcm.33.4.906-911.1995 Gartner, 1986, The role of mononuclear phagocytes in HTLV-III/LAV infection, Science, 233, 215, 10.1126/science.3014648 Karlsson, 1994, MT-2 cell tropism of human immunodeficiency virus type 1 isolates as a marker for response to treatment and development of drug resistance, J. Infect. Dis., 170, 1367, 10.1093/infdis/170.6.1367 Klatzmann, 1984, T-lymphocyte T4 molecule behaves as the receptor for human retrovirus LAV, Nature, 312, 767, 10.1038/312767a0 Koot, 1993, Prognostic value of HIV-1 syncytium-inducing phenotype for rate of CD4+ cell depletion and progression to AIDS, Ann. Intern. Med., 118, 681, 10.7326/0003-4819-118-9-199305010-00004 Leitner, 1993, Analysis of heterogeneous viral populations by direct DNA sequencing, BioTechniques, 15, 120 Leitner, 1996, Molecular epidemiology and MT-2 cell tropism of Russian HIV type 1 variant, AIDS Res. Hum. Retroviruses, 12, 1595, 10.1089/aid.1996.12.1595 Poignard, 2001, gp120: Biologic aspects of structural features, Annu. Rev. Immunol., 19, 253, 10.1146/annurev.immunol.19.1.253 Sawyer, 1994, Neutralization sensitivity of human immunodeficiency virus type 1 is determined in part by the cell in which the virus is propagated, J. Virol., 68, 1342, 10.1128/jvi.68.3.1342-1349.1994 Scarlatti, 1997, In vivo evolution of HIV-1 co-receptor usage and sensitivity to chemokine-mediated suppression, Nat. Med., 3, 1259, 10.1038/nm1197-1259 Schuitemaker, 1992, Biological phenotype of human immunodeficiency virus type 1 clones at different stages of infection: progression of disease is associated with a shift from monocytotropic to T-cell-tropic virus population, J. Virol., 66, 1354, 10.1128/jvi.66.3.1354-1360.1992 Shioda, 1992, Small amino acid changes in the V3 hypervariable region of gp120 can affect the T-cell-line and macrophage tropism of human immunodeficiency virus type 1, Proc. Natl. Acad. Sci. U.S.A., 89, 9434, 10.1073/pnas.89.20.9434 Tersmette, 1988, Differential syncytium-inducing capacity of human immunodeficiency virus isolates: frequent detection of syncytium-inducing isolates in patients with acquired immunodeficiency syndrome (AIDS) and AIDS-related complex, J. Virol., 62, 2026, 10.1128/jvi.62.6.2026-2032.1988 Thompson, 1997, The CLUSTAL_X windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools, Nucleic Acids Res., 25, 4876, 10.1093/nar/25.24.4876 Yu, 1998, Infection with dual-tropic human immunodeficiency virus type 1 variants associated with rapid total T cell decline and disease progression in injection drug users, J. Infect. Dis., 178, 388, 10.1086/515646 Zhang, 1997, Passage of HIV-1 molecular clones into different cell lines confers differential sensitivity to neutralization, Virology, 238, 254, 10.1006/viro.1997.8812