Lesson plan
Pneumolysin
Pneumolysin is a virulence factor of the Gram-positive bacteria Streptococcus pneumoniae. It is a pore-forming toxin of 53 kDa composed of 471 amino acids. It has a range of biological activity, including the ability to lyse and interfere with the function of cells and soluble molecules of the immune system. Released pneumolysin will aid the bacteria during colonization by facilitating adherence to the host, during invasion by damaging host cells and during infection by interfering with the host immune response. The presence of pneumolysin in sputum, urine, CSF and blood can be indicative of an S. pneumoniae infection.
Article summary
Pneumolysin is a virulence factor of the Gram-positive bacteria Streptococcus pneumoniae. It is a pore-forming toxin of 53 kDa composed of 471 amino acids. It has a range of biological activity, including the ability to lyse and interfere with the function of cells and soluble molecules of the immune system. Released pneumolysin will aid the bacteria during colonization by facilitating adherence to the host, during invasion by damaging host cells and during infection by interfering with the host immune response. The presence of pneumolysin in sputum, urine, CSF and blood can be indicative of an S. pneumoniae infection.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.