LITERATURE CITED
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- Benoist, C., and Chambon, P. 1981. In vitro sequence requirement of the SV40 early promoter region. Nature (London) 290:304–310.
- Gilles, S. D., Morrison, S. L., Oi, V. T., and Tonegawa, S. 1983. A tissue-specific transcription enhancer element is located in the major intron of a rearranged immunoglobulin heavy chain gene. Cell 33:717–728.
- Gluzman, Y. 1981. SV40-transformed simian cells support the replication of early SV40 mutants. Cell 23:175–182.
- Gorman, C. M., Merlino, G. T., Willingham, M. C., Pastan, I., and Howard, B. H. 1982. The Rous sarcoma virus long terminal repeat is a strong promoter when introduced into a variety of eukaryotic cells by DNA-mediated transfection. Proc. Natl. Acad. Sci. U.S.A. 79:6777–6781.
- Gorman, C. M., Moffat, L. F., and Howard, B. H. 1982. Recombinant genomes which expresses chloramphenicol ace-tyltransferase in mammalian cells. Mol. Cell. Biol. 2:1044–1051.
- Grass, P., Dhar, R., and Khoury, G. 1981. Simian virus 40 tandem repeats sequences as an element of the early promoter. Proc. Natl. Acad. Sci. U.S.A. 78:943–947.
- Hamada, H., and Kakunaga, T. 1982. A potential Z-DNA sequence is highly repeated in the human genome. Nature (London) 298:396–398.
- Hamada, H., Petrino, M. G., and Kakunaga, T. 1982. A novel repeated DNA sequence with the Z-DNA forming potential is widely found in evolutionarily diverse eukaryotic genomes. Proc. Natl. Acad. Sci. U.S.A. 79:6465–6469.
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- Laimins, L. A., Grass, P., Pozzatti, R., and Khoury, G. 1984. Characterization of enhancer elements in the long terminal repeats of Moloney murine sarcoma virus. J. Virol. 49:183–189.
- Laimins, L. A., Khoury, G., Gorman, C. M., Howard, B. H., and Grass, P. 1982. Host-specific activation of transcription by tandem repeats from simian virus 40 and Moloney murine leukemia virus. Proc. Natl. Acad. Sci. U.S.A. 79:6453–6457.
- Larson, A., and Weintraub, H. 1982. An altered DNA conformation detected by Si nuclease occurs at specific regions in active chicken globin chromatin. Cell 29:609–622.
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- Nordheim, A., and Rich, A. 1983. The sequence (dC-dA)n (dT-dG)n forms left-handed Z-DNA in negatively supercoiled plasmids. Proc. Natl. Acad. Sci. U.S.A. 80:1821–1825.
- Nordheim, A., and Rich, A. 1983. Negatively supercoiled simian virus 40 DNA contains Z-DNA segments within transcriptional enhancer sequences. Nature (London) 303:674–679.
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- Shenk, T. 1981. Transcriptional control regions: nucleotide sequence requirement for initiation by RNA polymerase II and III. Curr. Top. Microbiol. Immunol. 93:25–46.
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- Weintraub, H. 1983. A dominant role for DNA secondary structure in forming hypersensitive structures in chromatin. Cell 32:1191–1203.
- Weisbrod, S. 1982. Active chromatin. Nature (London) 297: 289–295.