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| Content Provider | PubMed Central |
|---|---|
| Author | Baker, S. C. Moyer, S. A. |
| Abstract | The ability of the Sendai virus major nucleocapsid protein, NP, to support the in vitro synthesis and encapsidation of viral genome RNA during Sendai virus RNA replication was studied. NP protein was purified from viral nucleocapsids isolated from Sendai virus-infected BHK cells and shown to be a soluble monomer under the reaction conditions used for RNA synthesis. The purified NP protein alone was necessary and sufficient for in vitro genome RNA synthesis and encapsidation from preinitiated intracellular Sendai virus defective interfering particle (DI-H) nucleocapsid templates. The amount of DI-H RNA replication increased linearly with the addition of increasing amounts of NP protein. With purified detergent-disrupted DI-H virions as the template, however, there was no genome RNA synthesis in either the absence or presence of the NP protein. Furthermore, addition of the soluble protein fraction of uninfected cells alone or in the presence of purified NP protein also did not support DI-H genome RNA synthesis from purified DI-H. Another viral component in addition to the NP protein appears to be required for the initiation of encapsidation, since the soluble protein fraction of infected but not uninfected cells did support DI-H genome replication from purified DI-H. |
| Starting Page | 834 |
| File Format | |
| ISSN | 10985514 |
| e-ISSN | 10985514 |
| Journal | Journal of Virology |
| Issue Number | 3 |
| Volume Number | 62 |
| Language | English |
| Publisher Date | 1988-03-01 |
| 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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