Abstract
Cytomegalovirus-induced DNA polymerase can be distinguished from infected-cell enzymes by activity in 100 mM (NH4)2SO4. Virus polymerase is stimulated to 145% of control, whereas mock-infected cell polymerase is inhibited to 12% of control without added salt. Mycoplasmas induce a DNA polymerase in cell extracts that is stimulated to 130 to 180% by 25 mM (NH4)2SO4. Mycoplasma DNA polymerase may be mistaken for a virus-induced polymerase when virus stocks are contaminated. Identification of virus, cellular, and mycoplasma DNA polymerases in total cell extracts is described using sedimentation rate and effect of inhibitors on DNA polymerase activities.
Full text
PDF





Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Aron G. M., Purifoy D. J., Schaffer P. A. DNA synthesis and DNA polymerase activity of herpes simplex virus type 1 temperature-sensitive mutants. J Virol. 1975 Sep;16(3):498–507. doi: 10.1128/jvi.16.3.498-507.1975. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Bolden A., Aucker J., Weissbach A. Synthesis of herpes simplex virus, vaccinia virus, and adenovirus DNA in isolated HeLa cell nuclei. I. Effect of viral-specific antisera and phosphonoacetic acid. J Virol. 1975 Dec;16(6):1584–1592. doi: 10.1128/jvi.16.6.1584-1592.1975. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Fry M., Weissbach A. A new deoxyribonucleic acid dependent deoxyribonucleic acid polymerase from HeLa cell mitochondria. Biochemistry. 1973 Sep 11;12(19):3602–3608. doi: 10.1021/bi00743a005. [DOI] [PubMed] [Google Scholar]
- Halliburton I. W., Andrew J. C. DNA polymerase in pseudorabies virus infected cells. J Gen Virol. 1976 Jan;30(1):145–148. doi: 10.1099/0022-1317-30-1-145. [DOI] [PubMed] [Google Scholar]
- Huang E. S. Human cytomegalovirus. III. Virus-induced DNA polymerase. J Virol. 1975 Aug;16(2):298–310. doi: 10.1128/jvi.16.2.298-310.1975. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Huang E. S. Human cytomegalovirus. IV. Specific inhibition of virus-induced DNA polymerase activity and viral DNA replication by phosphonoacetic acid. J Virol. 1975 Dec;16(6):1560–1565. doi: 10.1128/jvi.16.6.1560-1565.1975. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Jeor S. C., Albrecht T. B., Funk F. D., Rapp F. Stimulation of cellular DNA synthesis by human cytomegalovirus. J Virol. 1974 Feb;13(2):353–362. doi: 10.1128/jvi.13.2.353-362.1974. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Kornberg T., Gefter M. L. Purification and DNA synthesis in cell-free extracts: properties of DNA polymerase II. Proc Natl Acad Sci U S A. 1971 Apr;68(4):761–764. doi: 10.1073/pnas.68.4.761. [DOI] [PMC free article] [PubMed] [Google Scholar]
- LOWRY O. H., ROSEBROUGH N. J., FARR A. L., RANDALL R. J. Protein measurement with the Folin phenol reagent. J Biol Chem. 1951 Nov;193(1):265–275. [PubMed] [Google Scholar]
- Lee L. F., Boezi J. A., Blakesley R. W., Koenig M., Towle H. C. Marek's disease herpesvirus-induced DNA polymerase. J Virol. 1974 Nov;14(5):1209–1219. doi: 10.1128/jvi.14.5.1209-1219.1974. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Manischewitz J. E., Young B. G., Barile M. F. The effect of mycoplasmas on replication and plaquing ability of Herpes simplex virus. Proc Soc Exp Biol Med. 1975 Mar;148(3):859–863. doi: 10.3181/00379727-148-38648. [DOI] [PubMed] [Google Scholar]
- Schmitz H., Doerr H. W., Obrig M. Envelope and nucleocapsid antigens of Cytomegalovirus (CMV). Med Microbiol Immunol. 1975 Jul 2;161(3):155–162. doi: 10.1007/BF02121005. [DOI] [PubMed] [Google Scholar]
- Staal S. P., Rowe W. P. Differential effect of phenethyl alcohol on mycoplasmas and enveloped viruses. J Virol. 1974 Dec;14(6):1620–1622. doi: 10.1128/jvi.14.6.1620-1622.1974. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Weissbach A., Baltimore D., Bollum F., Gallo R., Korn D. Nomenclature of eukaryotic DNA polymerases. Science. 1975 Oct 24;190(4212):401–402. doi: 10.1126/science.1179222. [DOI] [PubMed] [Google Scholar]
- Weissbach A., Hong S. C., Aucker J., Muller R. Characterization of herpes simplex virus-induced deoxyribonucleic acid polymerase. J Biol Chem. 1973 Sep 25;248(18):6270–6277. [PubMed] [Google Scholar]