Differential Gene Expression in the Siphonophore Nanomia bijuga (Cnidaria) Assessed with Multiple Next-Generation Sequencing Workflows
2011

Gene Expression in the Siphonophore Nanomia bijuga

Sample size: 3 publication Evidence: moderate

Author Information

Author(s): Stefan Siebert, Mark D. Robinson, Sophia C. Tintori, Freya Goetz, Rebecca R. Helm, Stephen A. Smith, Nathan Shaner, Steven H. D. Haddock, Casey W. Dunn

Primary Institution: Department of Ecology and Evolutionary Biology, Brown University

Hypothesis

We investigated differential gene expression between functionally specialized feeding polyps and swimming medusae in the siphonophore Nanomia bijuga.

Conclusion

The study found that a hybrid long-read/short-read sequencing strategy is effective for collecting gene expression data in non-model organisms.

Supporting Evidence

  • The hybrid sequencing strategy allowed for effective gene expression analysis in non-model organisms.
  • Illumina mRNA-Seq detected more differentially expressed sequences than tag-based workflows.
  • Replicated sampling showed high consistency in expression profiles across field-collected animals.

Takeaway

Scientists looked at how different parts of a jellyfish-like creature called Nanomia bijuga express their genes differently, using special sequencing techniques.

Methodology

The study used a hybrid long-read/short-read sequencing strategy to analyze gene expression.

Potential Biases

Potential biases due to environmental history and genetic differences among field-collected specimens.

Limitations

The reference sequences were incomplete, which affected the ability to detect differential expression.

Participant Demographics

Three different colonies of Nanomia bijuga were sampled.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022953

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