Retrospective survey for sialidase activity in Mycoplasma pneumoniae isolates from cases of community-acquired pneumonia
2011

Sialidase Activity in Mycoplasma pneumoniae Isolates

Sample size: 106 publication Evidence: low

Author Information

Author(s): May Meghan, Brown Daniel R

Primary Institution: Towson University and University of Florida

Hypothesis

Does sialidase contribute to diseases involving Mycoplasma pneumoniae?

Conclusion

No sialidase activity was detected in Mycoplasma pneumoniae strains associated with uncomplicated community-acquired pneumonia.

Supporting Evidence

  • No sialidase activity was detected in any specimen.
  • The annotated genome of strain M129 accurately represents the absence of sialidase genes.
  • Very few isolates of M. pneumoniae had been examined for sialidase activity before this study.

Takeaway

The study looked for a specific enzyme in bacteria that can cause pneumonia, but they didn't find it in the samples they tested.

Methodology

Fifteen laboratory strains and 91 clinical isolates of M. pneumoniae were tested for sialidase activity using a spectrofluorometric assay.

Potential Biases

Potential bias due to unknown treatment with viral neuraminidase inhibitors in patients.

Limitations

The clinical significance of M. pneumoniae isolation from patients was not documented, which is a recognized weakness of the study.

Participant Demographics

Clinical isolates were from patients diagnosed with community-acquired pneumonia at various locations in the US.

Digital Object Identifier (DOI)

10.1186/1756-0500-4-195

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