Use of green fluorescent protein in visualisation of pneumococcal invasion of broncho-epithelial cells in vivo
Author
Summary, in English
The pneumococcus is the principle cause of bacterial pneumonia and also a major cause of bacterial meningitis. The mechanisms and sites of pneumococcal adherence and invasion of the respiratory tract in vivo are not clear however. We have made pneumococci expressing green fluorescent protein (GFP) and used it to trace pneumococcal adherence and invasion in vivo. By using GFP pneumococci we have shown bacterial adherence and invasion of broncho-epithelial cells in vivo by 4 h post-infection, with increases in pneumococcal invasiveness by 24 h. Using confocal image analysis we have shown varying levels of pneumococcal penetration and internalisation into host cells, as well as translocation through epithelial layers. To our knowledge this is the first report of pneumococcal invasion and cellular translocation in vivo.
Publishing year
2001
Language
English
Pages
105-110
Publication/Series
FEMS Microbiology Letters
Volume
194
Issue
1
Document type
Journal article
Publisher
Oxford University Press
Topic
- Microbiology in the medical area
Status
Published
ISBN/ISSN/Other
- ISSN: 1574-6968