Abstract
A product of the adenovirus gene E1A is responsible for the stimulation of transcription from six viral promoters as well as at least two cellular promoters. We have detected a HeLa cell factor, termed E2 promoter binding factor (E2F), that appears to mediate the transcriptional stimulation of the viral E2 promoter. Competition experiments revealed that E2F did not recognize and bind to the E1B, E3, E4, or major late promoter sequences. Furthermore, three additional promoters stimulated by E1A, heat shock protein 70, beta-globin, and early simian virus 40, do not bind E2F. In contrast, the factor does recognize sequences in the E1A enhancer, and within the E1A enhancer are duplicated binding sites for E2F. Finally, a single E2F binding site from the E1A enhancer can confer increased transcription to a mouse beta-globin promoter, dependent on the action of the E1A gene product. This stimulation requires binding of E2F since methylation of the binding site, which blocks binding in vitro, reduces transcription stimulation in vivo. We, therefore, conclude that E2F is likely to be responsible for the E1A-mediated stimulation of the E1A gene as well as the E2 gene but is not involved in the activation of the other E1A-inducible promoters.
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- Berk A. J., Lee F., Harrison T., Williams J., Sharp P. A. Pre-early adenovirus 5 gene product regulates synthesis of early viral messenger RNAs. Cell. 1979 Aug;17(4):935–944. doi: 10.1016/0092-8674(79)90333-7. [DOI] [PubMed] [Google Scholar]
- Chirgwin J. M., Przybyla A. E., MacDonald R. J., Rutter W. J. Isolation of biologically active ribonucleic acid from sources enriched in ribonuclease. Biochemistry. 1979 Nov 27;18(24):5294–5299. doi: 10.1021/bi00591a005. [DOI] [PubMed] [Google Scholar]
- Dignam J. D., Lebovitz R. M., Roeder R. G. Accurate transcription initiation by RNA polymerase II in a soluble extract from isolated mammalian nuclei. Nucleic Acids Res. 1983 Mar 11;11(5):1475–1489. doi: 10.1093/nar/11.5.1475. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Doerfler W. DNA methylation and gene activity. Annu Rev Biochem. 1983;52:93–124. doi: 10.1146/annurev.bi.52.070183.000521. [DOI] [PubMed] [Google Scholar]
- Fried M., Crothers D. M. Equilibria and kinetics of lac repressor-operator interactions by polyacrylamide gel electrophoresis. Nucleic Acids Res. 1981 Dec 11;9(23):6505–6525. doi: 10.1093/nar/9.23.6505. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Friedman J. M., Babiss L. E., Clayton D. F., Darnell J. E., Jr Cellular promoters incorporated into the adenovirus genome: cell specificity of albumin and immunoglobulin expression. Mol Cell Biol. 1986 Nov;6(11):3791–3797. doi: 10.1128/mcb.6.11.3791. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Frost E., Williams J. Mapping temperature-sensitive and host-range mutations of adenovirus type 5 by marker rescue. Virology. 1978 Nov;91(1):39–50. doi: 10.1016/0042-6822(78)90353-7. [DOI] [PubMed] [Google Scholar]
- Galas D. J., Schmitz A. DNAse footprinting: a simple method for the detection of protein-DNA binding specificity. Nucleic Acids Res. 1978 Sep;5(9):3157–3170. doi: 10.1093/nar/5.9.3157. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Garner M. M., Revzin A. A gel electrophoresis method for quantifying the binding of proteins to specific DNA regions: application to components of the Escherichia coli lactose operon regulatory system. Nucleic Acids Res. 1981 Jul 10;9(13):3047–3060. doi: 10.1093/nar/9.13.3047. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Green M. R., Treisman R., Maniatis T. Transcriptional activation of cloned human beta-globin genes by viral immediate-early gene products. Cell. 1983 Nov;35(1):137–148. doi: 10.1016/0092-8674(83)90216-7. [DOI] [PubMed] [Google Scholar]
- Hart R. P., McDevitt M. A., Ali H., Nevins J. R. Definition of essential sequences and functional equivalence of elements downstream of the adenovirus E2A and the early simian virus 40 polyadenylation sites. Mol Cell Biol. 1985 Nov;5(11):2975–2983. doi: 10.1128/mcb.5.11.2975. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Hearing P., Shenk T. The adenovirus type 5 E1A enhancer contains two functionally distinct domains: one is specific for E1A and the other modulates all early units in cis. Cell. 1986 Apr 25;45(2):229–236. doi: 10.1016/0092-8674(86)90387-9. [DOI] [PubMed] [Google Scholar]
- Hearing P., Shenk T. The adenovirus type 5 E1A transcriptional control region contains a duplicated enhancer element. Cell. 1983 Jul;33(3):695–703. doi: 10.1016/0092-8674(83)90012-0. [DOI] [PubMed] [Google Scholar]
- Hen R., Borrelli E., Sassone-Corsi P., Chambon P. An enhancer element is located 340 base pairs upstream from the adenovirus-2 E1A capsite. Nucleic Acids Res. 1983 Dec 20;11(24):8747–8760. doi: 10.1093/nar/11.24.8747. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Imperiale M. J., Hart R. P., Nevins J. R. An enhancer-like element in the adenovirus E2 promoter contains sequences essential for uninduced and E1A-induced transcription. Proc Natl Acad Sci U S A. 1985 Jan;82(2):381–385. doi: 10.1073/pnas.82.2.381. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Imperiale M. J., Nevins J. R. Adenovirus 5 E2 transcription unit: an E1A-inducible promoter with an essential element that functions independently of position or orientation. Mol Cell Biol. 1984 May;4(5):875–882. doi: 10.1128/mcb.4.5.875. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Jones N., Shenk T. An adenovirus type 5 early gene function regulates expression of other early viral genes. Proc Natl Acad Sci U S A. 1979 Aug;76(8):3665–3669. doi: 10.1073/pnas.76.8.3665. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Kao H. T., Nevins J. R. Transcriptional activation and subsequent control of the human heat shock gene during adenovirus infection. Mol Cell Biol. 1983 Nov;3(11):2058–2065. doi: 10.1128/mcb.3.11.2058. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Kovesdi I., Reichel R., Nevins J. R. E1A transcription induction: enhanced binding of a factor to upstream promoter sequences. Science. 1986 Feb 14;231(4739):719–722. doi: 10.1126/science.2935935. [DOI] [PubMed] [Google Scholar]
- Kovesdi I., Reichel R., Nevins J. R. Identification of a cellular transcription factor involved in E1A trans-activation. Cell. 1986 Apr 25;45(2):219–228. doi: 10.1016/0092-8674(86)90386-7. [DOI] [PubMed] [Google Scholar]
- Murthy S. C., Bhat G. P., Thimmappaya B. Adenovirus EIIA early promoter: transcriptional control elements and induction by the viral pre-early EIA gene, which appears to be sequence independent. Proc Natl Acad Sci U S A. 1985 Apr;82(8):2230–2234. doi: 10.1073/pnas.82.8.2230. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Nevins J. R. Definition and mapping of adenovirus 2 nuclear transcription. Methods Enzymol. 1980;65(1):768–785. doi: 10.1016/s0076-6879(80)65072-1. [DOI] [PubMed] [Google Scholar]
- Nevins J. R. Induction of the synthesis of a 70,000 dalton mammalian heat shock protein by the adenovirus E1A gene product. Cell. 1982 Jul;29(3):913–919. doi: 10.1016/0092-8674(82)90453-6. [DOI] [PubMed] [Google Scholar]
- Nevins J. R. Mechanism of activation of early viral transcription by the adenovirus E1A gene product. Cell. 1981 Oct;26(2 Pt 2):213–220. doi: 10.1016/0092-8674(81)90304-4. [DOI] [PubMed] [Google Scholar]
- Reichel R., Kovesdi I., Nevins J. R. Developmental control of a promoter-specific factor that is also regulated by the E1A gene product. Cell. 1987 Feb 13;48(3):501–506. doi: 10.1016/0092-8674(87)90200-5. [DOI] [PubMed] [Google Scholar]
- SivaRaman L., Subramanian S., Thimmappaya B. Identification of a factor in HeLa cells specific for an upstream transcriptional control sequence of an EIA-inducible adenovirus promoter and its relative abundance in infected and uninfected cells. Proc Natl Acad Sci U S A. 1986 Aug;83(16):5914–5918. doi: 10.1073/pnas.83.16.5914. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Smith H. O. Nucleotide sequence specificity of restriction endonucleases. Science. 1979 Aug 3;205(4405):455–462. doi: 10.1126/science.377492. [DOI] [PubMed] [Google Scholar]
- Southern P. J., Berg P. Transformation of mammalian cells to antibiotic resistance with a bacterial gene under control of the SV40 early region promoter. J Mol Appl Genet. 1982;1(4):327–341. [PubMed] [Google Scholar]
- Wigler M., Pellicer A., Silverstein S., Axel R., Urlaub G., Chasin L. DNA-mediated transfer of the adenine phosphoribosyltransferase locus into mammalian cells. Proc Natl Acad Sci U S A. 1979 Mar;76(3):1373–1376. doi: 10.1073/pnas.76.3.1373. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Zajchowski D. A., Boeuf H., Kédinger C. The adenovirus-2 early EIIa transcription unit possesses two overlapping promoters with different sequence requirements for EIa-dependent stimulation. EMBO J. 1985 May;4(5):1293–1300. doi: 10.1002/j.1460-2075.1985.tb03775.x. [DOI] [PMC free article] [PubMed] [Google Scholar]