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Cited by 487

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Nuclease Expression by Staphylococcus aureus Facilitates Escape from Neutrophil Extracellular Traps

Open access
Berends, Evelien T.M., Horswill, Alexander R., Haste, Nina M., Monestier, Marc, Nizet, Victor, von Köckritz-Blickwede, Maren·2010·Journal of Innate Immunity

Abstract

Neutrophils are key effectors of the host innate immune response against bacterial infection. Staphylococcus aureus is a preeminent human pathogen, with an ability to produce systemic infections even in previously healthy individuals, thereby reflecting a resistance to effective neutrophil clearance. The recent discovery of neutrophil extracellular traps (NETs) has opened a novel dimension in our understanding of how these specialized leukocytes kill pathogens. NETs consist of a nuclear DNA backbone associated with antimicrobial peptides, histones and proteases that provide a matrix to entrap and kill various microbes. Here, we used targeted mutagenesis to examine a potential role of S. aureus nuclease in NET degradation and virulence in a murine respiratory tract infection model. In vitro assays using fluorescence microscopy showed the isogenic nuclease-deficient (nuc-deficient) mutant to be significantly impaired in its ability to degrade NETs compared with the wild-type parent strain USA 300 LAC. Consequently, the nuc-deficient mutant strain was significantly more susceptible to extracellular killing by activated neutrophils. Moreover, S. aureus nuclease production was associated with delayed bacterial clearance in the lung and increased mortality after intranasal infection. In conclusion, this study shows that S. aureus nuclease promotes resistance against NET-mediated antimicrobial activity of neutrophils and contributes to disease pathogenesis in vivo.

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Crossref · 10.1159/000319909

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Metadata

Authors
Berends, E. T. M., Horswill, A. R., Haste, N. M., Monestier, M., Nizet, V., & von Köckritz-Blickwede, M.
Venue
Journal of Innate Immunity
Publisher
S. Karger AG
Published
2010
Volume
2
Issue
6
Pages
576-586
ISSN
  • 1662-811X (ISSN-L)
  • 1662-8128
OpenAlex
W2063966020
Cited by
487
References
6
FWCI
8.20
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Nuclease Expression by Staphylococcus aureus Facilitates Escape from Neutrophil Extracellular Traps. https://app.cochat.ai/papers/10.1159/000319909
The paper
Berends, E. T. M., Horswill, A. R., Haste, N. M., Monestier, M., Nizet, V., & von Köckritz-Blickwede, M. (2010). Nuclease Expression by Staphylococcus aureus Facilitates Escape from Neutrophil Extracellular Traps. Journal of Innate Immunity. https://doi.org/10.1159/000319909

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.