Overcoming function annotation errors in the Gram-positive pathogen Streptococcus suis by a proteomics-driven approach
2008

Correcting Protein Function Errors in Streptococcus suis Using Proteomics

Sample size: 28 publication Evidence: moderate

Author Information

Author(s): Rodríguez-Ortega Manuel J, Luque Inmaculada, Tarradas Carmen, Bárcena José A

Primary Institution: Universidad de Córdoba

Hypothesis

Can a proteomics-driven approach effectively correct function annotation errors in Streptococcus suis?

Conclusion

The study demonstrates that a proteomics-based strategy can successfully correct function annotation errors in sequencing projects, aiding in the identification of new vaccine candidates.

Supporting Evidence

  • The proteomics approach identified 28 surface proteins without cytoplasmic contamination.
  • Two proteins were identified as putative extracellular adhesins that had been misannotated.
  • The study highlights the importance of combining experimental and computational methods for protein function annotation.

Takeaway

Scientists found a better way to figure out what proteins do in a bacteria called Streptococcus suis, which can help make vaccines.

Methodology

The study used a proteomics approach involving surface digestion of live cells with proteases followed by LC/MS/MS analysis.

Potential Biases

Potential biases may arise from the reliance on computational predictions for protein localization.

Limitations

The study may not address all potential biases in protein function predictions and relies on computational methods that can have limitations.

Statistical Information

Statistical Significance

NS

Digital Object Identifier (DOI)

10.1186/1471-2164-9-588

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