Capnocytophaga canimorsus: A Human Pathogen Feeding on Epithelial Cells and Phagocytes
Author Information
Author(s): Mally Manuela, Shin Hwain, Paroz Cécile, Landmann Regine, Cornelis Guy R.
Primary Institution: University of Basel
Hypothesis
Does Capnocytophaga canimorsus utilize a surface-exposed sialidase to feed on mammalian cells?
Conclusion
The study shows that Capnocytophaga canimorsus can grow and persist in mammalian tissues by feeding on glycoproteins through a surface-localized sialidase.
Supporting Evidence
- C. canimorsus was shown to grow significantly when in contact with mammalian cells.
- The sialidase-deficient mutant of C. canimorsus could not persist in a murine infection model.
- Direct contact with host cells is necessary for the growth of C. canimorsus.
Takeaway
Capnocytophaga canimorsus is a bacteria that can cause serious infections in humans, and it can feed on cells in our body to survive.
Methodology
The study involved in vitro experiments with murine macrophages and human epithelial cells, as well as a murine tissue cage infection model.
Limitations
The study primarily focuses on in vitro and murine models, which may not fully represent human infections.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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