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| Content Provider | PubMed Central |
|---|---|
| Author | Gutierrez, Crisanto |
| Copyright Year | 2000 |
| Abstract | Plant cell growth and development depend on continuous cell proliferation which is restricted to small regions of the plant called meristems. Infection by geminiviruses, small DNA viruses whose replicative cycle relies on host cell factors, is excluded from those proliferating areas. Since most of the replicative factors are present, almost exclusively, in proliferating cells, geminivirus infection is believed to induce a cellular state permissive for viral DNA replication, e.g. S-phase or, at least, some specific S-phase functions. The molecular basis for this effect seems to be the interference that certain geminivirus proteins exert on the retinoblastoma-related (RBR) pathway, which analogously to that of animal cells, regulates plant cell cycle activation and G1–S transition. In some cases, geminiviruses induce cell proliferation and abnormal growth. Mechanisms other than sequestering plant RBR probably contribute to the multiple effects of geminivirus proteins on cellular gene expression, cell growth control and cellular DNA replication. Current efforts to understand the coupling of geminivirus DNA replication to cell cycle and growth control as well as the directions in which future research is aiming are reviewed. |
| Related Links | http://dx.doi.org/10.1093/emboj/19.5.792 |
| Ending Page | 799 |
| Page Count | 8 |
| Starting Page | 792 |
| File Format | |
| ISSN | 02614189 |
| e-ISSN | 14602075 |
| Journal | The EMBO Journal |
| Issue Number | 5 |
| Volume Number | 19 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2000-03-01 |
| Access Restriction | Open |
| Rights Holder | Oxford University Press |
| Subject Keyword | Biochemistry, Genetics and Molecular Biology(all) Immunology and Microbiology(all) Neuroscience(all) Molecular Biology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Immunology and Microbiology Medicine Molecular Biology |
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