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| Content Provider | PubMed Central |
|---|---|
| Author | Royer, M. Hong, S. S. Gay, B. Cerutti, M. Boulanger, P. |
| Abstract | The level of synthesis and extracellular release of human immunodeficiency virus type 1 Gag by insect cells was analyzed, using eight different recombinants of Autographa californica nuclear polyhedrosis virus harboring various constructs of the gag gene, cloned under the polyhedrin promoter. The results obtained suggested that gag expression was mainly regulated at the transcriptional level and was not significantly influenced by posttranslational events, e.g., Gag self-assembly, nuclear transport, or extracellular release. Two different forms of Gag were found in the culture medium of recombinant-infected cells. One form consisted of membrane-enveloped, corelike particles released by budding at the plasma membrane; the other of nonparticulate, soluble Gag polyprotein molecules. Both forms coexisted in recombinants expressing Gag with an intact N-terminal myristylation signal, whereas recombinants expressing nonmyristylated Gag released solely the soluble form. This suggested that myristylation of the N terminus was not a prerequisite for efficient extracellular release of Gag by insect cells, which could proceed via two independent but simultaneous mechanisms. |
| Starting Page | 3230 |
| File Format | |
| ISSN | 10985514 |
| e-ISSN | 10985514 |
| Journal | Journal of Virology |
| Issue Number | 5 |
| Volume Number | 66 |
| Language | English |
| Publisher Date | 1992-05-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Virology Immunology Microbiology Insect Science |
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