Identification of Plasmodium vivax Proteins with Potential Role in Invasion Using Sequence Redundancy Reduction and Profile Hidden Markov Models
2011

Identifying Plasmodium vivax Proteins for Vaccine Development

Sample size: 582 publication 10 minutes Evidence: moderate

Author Information

Author(s): Restrepo-Montoya Daniel, Becerra David, Carvajal-Patiño Juan G., Mongui Alvaro, Niño Luis F., Patarroyo Manuel E., Patarroyo Manuel A.

Primary Institution: Universidad Nacional de Colombia

Hypothesis

Can bioinformatics methods identify proteins in Plasmodium vivax that are involved in reticulocyte invasion and may serve as vaccine candidates?

Conclusion

The study identified 45 proteins potentially involved in P. vivax invasion, with 32 selected for further testing as vaccine candidates.

Supporting Evidence

  • The methodology led to identifying a set of 45 proteins that are potentially secreted during the P. vivax intra-erythrocyte development cycle.
  • Thirteen of the 45 proteins have already been described as vaccine candidates.
  • Experimental evidence of protein expression exists for 7 of the 32 remaining proteins.

Takeaway

Researchers used computer techniques to find proteins from a malaria parasite that might help create a vaccine. They found 45 proteins that could be important.

Methodology

The study used hidden Markov models and sequence redundancy reduction to analyze P. vivax proteins based on their transcriptional profiles.

Potential Biases

Potential bias due to reliance on existing databases and literature for protein classification.

Limitations

The study relies on computational predictions and may not account for all biological complexities.

Digital Object Identifier (DOI)

10.1371/journal.pone.0025189

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