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Nucleosome disruption and enhancement of activator binding by a human SW1/SNF complex

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Abstract

CHROMATIN structure can affect the transcriptional activity of eukaryotic structural genes by blocking access of sequence-specific activator proteins (activators) to their promoter-binding sites1. For example, the DNA-binding domain of the yeast GAL4 protein interacts very poorly with nucleosome cores compared with naked DNA2 (and see below), and binding of other activators is even more strongly inhibited2,3. The way in which activators bind to nucleosomal DNA is therefore a critical aspect of transcriptional activation. Genetic studies have suggested that the multi-component SWI/SNF complex of Saccharomyces cerevisiae facilitates transcription by altering the structure of the chromatin4,5. Here we identify and partially purify a human homologue of the yeast SWI/SNF complex (hSWI/SNF complex). We show that a partially purified hSWI/SNF complex mediates the ATP-dependent disruption of a nucleosome, thereby enabling the activators, GAL4–VP16 and GAL4–AH, to bind within a nucleosome core. We conclude that the hSWI/SNF complex acts directly to reorganize chromatin structure so as to facilitate binding of transcription factors.

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References

  1. Felsenfeld, G. Nature 355, 219–224 (1992).

    Article  ADS  CAS  Google Scholar 

  2. Taylor, I. C. A., Workman, J. L., Schuetz, T. J. & Kingston, R. E. Genes Dev. 5, 1285–1298 (1991).

    Article  CAS  Google Scholar 

  3. Pina, B., Bruggemeier, U. & Beato, M. Cell 60, 719–731 (1990).

    Article  CAS  Google Scholar 

  4. Peterson, C. L. & Herskowitz, I. Cell 68, 573–583 (1992).

    Article  CAS  Google Scholar 

  5. Hirschhorn, J. N., Brown, S. A., Clark, C. D. & Winston, F. Genes Dev. 6, 2288–2298 (1992).

    Article  CAS  Google Scholar 

  6. Muchardt, C. & Yaniv, M. EMBO J. 12, 4279–4290 (1993).

    Article  CAS  Google Scholar 

  7. Khavari, P. A., Peterson, C. L., Tamkun, J. W., Mendel, D. B. & Crabtree, G. R. Nature 366, 170–174 (1993).

    Article  ADS  CAS  Google Scholar 

  8. Imbalzano, A. N., Kwon, H., Green, M. R. & Kingston, R. E. Nature 370, 481–485 (1994).

    Article  ADS  CAS  Google Scholar 

  9. Laurent, B. C., Yang, X. & Carlson, M. Molec. cell. Biol. 12, 1893–1902 (1992).

    Article  CAS  Google Scholar 

  10. Henikoff, S. Trends biochem. Sci. 18, 291–292 (1993).

    Article  CAS  Google Scholar 

  11. Laurent, B. C., Treich, I. & Carlson, M. Genes Dev. 7, 583–591 (1993).

    Article  CAS  Google Scholar 

  12. Shrader, T. E. & Crothers, D. M. Proc. natn. Acad. Sci. U.S.A. 86, 7418–7422 (1989).

    Article  ADS  CAS  Google Scholar 

  13. Giniger, E. & Ptashne, M. Nature 330, 670–672 (1987).

    Article  ADS  CAS  Google Scholar 

  14. Sadowski, I., Ma, J., Triezenberg, S. & Ptashne, M. Nature 335, 563–564 (1988).

    Article  ADS  CAS  Google Scholar 

  15. Workman, J. L. & Kingston, R. E. Science 258, 1780–1784 (1992).

    Article  ADS  CAS  Google Scholar 

  16. Yoshinaga, S. K., Peterson, C. L., Herskowitz, I. & Yamamoto, K. R. Science 258, 1598–1604 (1992).

    Article  ADS  CAS  Google Scholar 

  17. Laurent, B. C. & Carlson, M. Genes Dev. 6, 1707–1715 (1992).

    Article  CAS  Google Scholar 

  18. Workman, J. L., Taylor, I. C. A. & Kingston, R. E. Cell 64, 533–544 (1991).

    Article  CAS  Google Scholar 

  19. Imbalzano, A. N., Zaret, K. S. & Kingston, R. E. J. biol. Chem. 269, 8280–8286 (1994).

    CAS  PubMed  Google Scholar 

  20. Lin, Y. S., Carey, M. F., Ptashne, M. & Green, M. R. Cell 54, 659–664 (1988).

    Article  CAS  Google Scholar 

  21. Chasman, D. I., Leatherwood, J., Carey, M., Ptashne, M. & Kornberg, R. D. Molec. cell. Biol. 9, 4746–4749 (1989).

    Article  CAS  Google Scholar 

  22. Schwer, B. & Guthrie, C. Nature 349, 494–499 (1991).

    Article  ADS  CAS  Google Scholar 

  23. Peck, L. J. & Wang, J. C. Proc. natn. Acad. Sci. U.S.A. 80, 6206–6210 (1983).

    Article  ADS  CAS  Google Scholar 

  24. Workman, J. L., Taylor, I. C. A., Kingston, R. E. & Roeder, R. G. Meth. Cell Biol. 35, 419–447 (1991).

    Article  CAS  Google Scholar 

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Kwon, H., Imbalzano, A., Khavari, P. et al. Nucleosome disruption and enhancement of activator binding by a human SW1/SNF complex. Nature 370, 477–481 (1994). https://doi.org/10.1038/370477a0

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  • DOI: https://doi.org/10.1038/370477a0

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