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Cited by 342

The DOI matches its Crossref record; 62 of the 62 references it cites were found in a registry or an index.

Generation of Transmitted/Founder HIV-1 Infectious Molecular Clones and Characterization of Their Replication Capacity in CD4 T Lymphocytes and Monocyte-Derived Macrophages

Open access
Ochsenbauer, Christina, Edmonds, Tara G., Ding, Haitao, Keele, Brandon F., Decker, Julie, Salazar, Maria G., Salazar-Gonzalez, Jesus F., Shattock, Robin, Haynes, Barton F., Shaw, George M., Hahn, Beatrice H., Kappes, John C.·2012·Journal of Virology

Abstract

Genome sequences of transmitted/founder (T/F) HIV-1 have been inferred by analyzing single genome amplicons of acute infection plasma viral RNA in the context of a mathematical model of random virus evolution; however, few of these T/F sequences have been molecularly cloned and biologically characterized. Here, we describe the derivation and biological analysis of ten infectious molecular clones, each representing a T/F genome responsible for productive HIV-1 clade B clinical infection. Each of the T/F viruses primarily utilized the CCR5 coreceptor for entry and replicated efficiently in primary human CD4 + T lymphocytes. This result supports the conclusion that single genome amplification-derived sequences from acute infection allow for the inference of T/F viral genomes that are consistently replication competent. Studies with monocyte-derived macrophages (MDM) demonstrated various levels of replication among the T/F viruses. Although all T/F viruses replicated in MDM, the overall replication efficiency was significantly lower compared to prototypic “highly macrophage-tropic” virus strains. This phenotype was transferable by expressing the env genes in an isogenic proviral DNA backbone, indicating that T/F virus macrophage tropism mapped to Env. Furthermore, significantly higher concentrations of soluble CD4 were required to inhibit T/F virus infection compared to prototypic macrophage-tropic virus strains. Our findings suggest that the acquisition of clinical HIV-1 subtype B infection occurs by mucosal exposure to virus that is not highly macrophage tropic and that the generation and initial biological characterization of 10 clade B T/F infectious molecular clones provides new opportunities to probe virus-host interactions involved in HIV-1 transmission.

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Metadata

Authors
Ochsenbauer, C., Edmonds, T. G., Ding, H., Keele, B. F., Decker, J., Salazar, M. G., Salazar-Gonzalez, J. F., Shattock, R., Haynes, B. F., Shaw, G. M., Hahn, B. H., & Kappes, J. C.
Venue
Journal of Virology
Published
2012-03
Volume
86
Issue
5
Pages
2715-2728
ISSN
  • 0022-538X (ISSN-L)
  • 1098-5514
OpenAlex
W1983262897
Cited by
342
References
62
FWCI
9.76
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Generation of Transmitted/Founder HIV-1 Infectious Molecular Clones and Characterization of Their Replication Capacity in CD4 T Lymphocytes and Monocyte-Derived Macrophages. https://app.cochat.ai/papers/10.1128/jvi.06157-11
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Ochsenbauer, C., Edmonds, T. G., Ding, H., Keele, B. F., Decker, J., Salazar, M. G., Salazar-Gonzalez, J. F., Shattock, R., Haynes, B. F., Shaw, G. M., Hahn, B. H., & Kappes, J. C. (2012). Generation of Transmitted/Founder HIV-1 Infectious Molecular Clones and Characterization of Their Replication Capacity in CD4 T Lymphocytes and Monocyte-Derived Macrophages. Journal of Virology. https://doi.org/10.1128/jvi.06157-11

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.