Study on the Role of GapA and Gap in Cronobacter Sakazakii's Ability to Stick to and Invade Intestinal Cells
Author Information
Author(s): C. Zhao, P. Li, D. Zhu, Z. Xiao, J. Jiao, Y. Li, X. Du, S. Wang
Primary Institution: State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
Hypothesis
This study aimed to investigate the virulence properties of GapA and Gap of C. sakazakii in adhesion to and invasion of intestinal cells and neonatal rats.
Conclusion
The study demonstrated that GapA and Gap are crucial for C. sakazakii's ability to adhere to and invade intestinal cells, as well as for inducing inflammatory responses.
Supporting Evidence
- Silencing gapA or gap decreased the viability and swimming motility of bacterial cells.
- Both recombinant proteins contributed to C. sakazakii adhesion in intestinal cells.
- Silenced expression of GapA and Gap weakened bacterial damage to the brain and colon of neonatal rats.
- Both proteins enhanced NF-κB phosphorylation and induced inflammatory cytokine expression.
Takeaway
The proteins GapA and Gap help a germ called C. sakazakii stick to our intestines and make us sick, especially in babies.
Methodology
The study used gene silencing techniques to assess the roles of GapA and Gap in bacterial adhesion and invasion, along with ELISA and Western blot for inflammatory cytokine expression.
Participant Demographics
Neonatal rats were used in the study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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