Inability of Prevotella bryantii to Form a Functional Shine-Dalgarno Interaction Reflects Unique Evolution of Ribosome Binding Sites in Bacteroidetes
2011

Prevotella bryantii and the Shine-Dalgarno Interaction

Sample size: 40 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tomaž Accetto, Gorazd Avguštin

Primary Institution: University of Ljubljana

Hypothesis

Does the Shine-Dalgarno sequence influence translation initiation in Prevotella bryantii?

Conclusion

The Shine-Dalgarno sequence does not significantly affect NucB protein levels in Prevotella bryantii TC1-1.

Supporting Evidence

  • The study analyzed almost forty genomes from the Bacteroidetes phylum.
  • Experimental evidence showed that the addition or omission of the Shine-Dalgarno sequence did not significantly change protein levels.
  • Sequence logos indicated a lack of Shine-Dalgarno sequence in Bacteroidetes.

Takeaway

This study found that a specific sequence important for starting protein production in bacteria is not needed in Prevotella bryantii, which is different from what happens in other bacteria.

Methodology

Bioinformatic analysis of genomes and experimental testing of protein levels in Prevotella bryantii using a gene expression system.

Limitations

The study primarily focused on a limited number of genomes and may not represent all Bacteroidetes.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022914

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