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Cited by 284

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Histone modifications induced by a family of bacterial toxins

Open access
Hamon, Mélanie Anne, Batsché, Eric, Régnault, Béatrice, Tham, To Nam, Seveau, Stéphanie, Muchardt, Christian, Cossart, Pascale·2007·Proceedings of the National Academy of Sciences

Abstract

Upon infection, pathogens reprogram host gene expression. In eukaryotic cells, genetic reprogramming is induced by the concerted activation/repression of transcription factors and various histone modifications that control DNA accessibility in chromatin. We report here that the bacterial pathogen Listeria monocytogenes induces a dramatic dephosphorylation of histone H3 as well as a deacetylation of histone H4 during early phases of infection. This effect is mediated by the major listerial toxin listeriolysin O in a pore-forming-independent manner. Strikingly, a similar effect also is observed with other toxins of the same family, such as Clostridium perfringens perfringolysin and Streptococcus pneumoniae pneumolysin. The decreased levels of histone modifications correlate with a reduced transcriptional activity of a subset of host genes, including key immunity genes. Thus, control of epigenetic regulation emerges here as an unsuspected function shared by several bacterial toxins, highlighting a common strategy used by intracellular and extracellular pathogens to modulate the host response early during infection.

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Metadata

Authors
Hamon, M. A., Batsché, E., Régnault, B., Tham, T. N., Seveau, S., Muchardt, C., & Cossart, P.
Venue
Proceedings of the National Academy of Sciences
Published
2007-08-14
Volume
104
Issue
33
Pages
13467-13472
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2027151256
Cited by
284
References
1
FWCI
6.82
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Histone modifications induced by a family of bacterial toxins. https://app.cochat.ai/papers/10.1073/pnas.0702729104
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Hamon, M. A., Batsché, E., Régnault, B., Tham, T. N., Seveau, S., Muchardt, C., & Cossart, P. (2007). Histone modifications induced by a family of bacterial toxins. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0702729104

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