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|a urn:nbn:de:hbz:6-60049753412
|2 urn
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|a 10.17879/60049754380
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|a eng
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|a 610 Medizin und Gesundheit
|2 23
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|a Großmann, Almut Helene
|0 http://d-nb.info/gnd/1252808658
|0 http://viaf.org/viaf/4025164661916603390003
|4 aut
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|a Universitäts- und Landesbibliothek Münster
|0 http://d-nb.info/gnd/5091030-9
|4 own
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|a An in vitro study on Staphylococcus schweitzeri virulence
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|a [Electronic ed.]
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|c 2021-01-13
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|b Universitäts- und Landesbibliothek Münster
|c 2023-05-04
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|a 1-10
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|a free access
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|a Scientific Reports 11 (2021) 1157, 1-10
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|a Staphylococcus schweitzeri belongs to the Staphylococcus aureus-related complex and is mainly found in African wildlife; no infections in humans are reported yet. Hence, its medical importance is controversial. The aim of this work was to assess the virulence of S. schweitzeri in vitro. The capacity of African S. schweitzeri (n = 58) for invasion, intra- and extracellular cytotoxicity, phagolysosomal escape, coagulase activity, biofilm formation and host cell activation was compared with S. aureus representing the most common clonal complexes in Africa (CC15, CC121, CC152). Whole genome sequencing revealed that the S. schweitzeri isolates belonged to five geographical clusters. Isolates from humans were found in two different clades. S. schweitzeri and S. aureus showed a similar host cell invasion (0.9 vs. 1.2 CFU/Vero cell), host cell activation (i.e. expression of pro-inflammatory cytokines, 4.1 vs. 1.7 normalized fold change in gene expression of CCL5; 7.3 vs. 9.9 normalized fold change in gene expression of IL8, A549 cells) and intracellular cytotoxicity (31.5% vs. 25% cell death, A549 cells). The extracellular cytotoxicity (52.9% vs. 28.8% cell death, A549 cells) was higher for S. schweitzeri than for S. aureus. Nearly all tested S. schweitzeri (n = 18/20) were able to escape from phagolysosomes. In conclusion, some S. schweitzeri isolates display virulence phenotypes comparable to African S. aureus. S. schweitzeri might become an emerging zoonotic pathogen within the genus Staphylococcus.
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|a specialized
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|a Finanziert über die DEAL-Vereinbarung mit Wiley 2019-2022.
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|a CC BY 4.0
|u http://creativecommons.org/licenses/by/4.0/
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|a Bacterial pathogenesis
|a Clinical microbiology
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| 655 |
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|2 DRIVER Types
|a Artikel
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|a Text
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|a Froböse, Neele Judith
|0 http://d-nb.info/gnd/1186866225
|4 aut
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| 700 |
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|a Mellmann, Alexander
|u FB 05: Medizinische Fakultät
|0 http://d-nb.info/gnd/173556833
|4 aut
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| 700 |
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|a Alabi, Abraham S.
|4 aut
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|a Schaumburg, Frieder
|0 http://d-nb.info/gnd/135730864
|4 aut
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| 700 |
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|a Niemann, Silke
|0 http://d-nb.info/gnd/133985237
|0 http://viaf.org/viaf/75057470
|4 aut
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|i IsSupplementedBy
|o https://www.nature.com/articles/s41598-021-80961-x#Sec28
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|o 10.1038/s41598-021-80961-x
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|u https://nbn-resolving.de/urn:nbn:de:hbz:6-60049753412
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