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H-NS gives invading DNA the silent treatment

Though uptake of beneficial foreign DNA confers fitness advantages to bacteria, the mechanisms protecting bacteria from harmful foreign DNA have been unclear. A new study suggests that the H-NS protein transcriptionally silences invading DNA by recognizing its low G-C content, thereby protecting cell viability during bacterial evolution.

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Figure 1: A model for the regulation of foreign DNA in bacteria.

Katie Ris

References

  1. Mazel, D. & Davies, J. Cell. Mol. Life Sci. 56, 742–754 (1999).

    Article  CAS  Google Scholar 

  2. Lan, R. & Reeves, P.R. Mol. Biol. Evol. 13, 47–55 (1996).

    Article  CAS  Google Scholar 

  3. Navarre, W.W. et al. Science published online 8 June 2006 (doi:10.1126/science.1128794).

  4. McClelland, M. et al. Nature 413, 852–856 (2001).

    Article  CAS  Google Scholar 

  5. Schechter, L.M., Jain, S., Akbar, S. & Lee, C.A. Infect. Immun. 71, 5432–5435 (2003).

    Article  CAS  Google Scholar 

  6. Dorman, C.J. Nat. Rev. Microbiol. 2, 391–400 (2004).

    Article  CAS  Google Scholar 

  7. Yamada, H., Muramatsu, S. & Mizuno, T. J. Biochem. 108, 420–425 (1990).

    Article  CAS  Google Scholar 

  8. Forns, N., Banos, R.C., Balsalobre, C., Juarez, A. & Madrid, C. J. Bacteriol. 187, 3950–3959 (2005).

    Article  CAS  Google Scholar 

  9. Muto, A. & Osawa, S. Proc. Natl. Acad. Sci. USA 84, 166–169 (1987).

    Article  CAS  Google Scholar 

  10. Barbic, A., Zimmer, D.P. & Crothers, D.M. Proc. Natl. Acad. Sci. USA 100, 2369–2373 (2003).

    Article  CAS  Google Scholar 

  11. Murray, N.E. Microbiology 148, 3–20 (2002).

    Article  CAS  Google Scholar 

  12. Camacho, E.M. et al. J. Bacteriol. 187, 5691–5699 (2005).

    Article  CAS  Google Scholar 

  13. Nishino, K. & Yamaguchi, A. J. Bacteriol. 186, 1423–1429 (2004).

    Article  CAS  Google Scholar 

Download references

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Pflum, M. H-NS gives invading DNA the silent treatment. Nat Chem Biol 2, 400–401 (2006). https://doi.org/10.1038/nchembio0806-400

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