Analysis of the immune-related transcriptome of a lophotrochozoan model, the marine annelid Platynereis dumerilii
2007

Study of Immune Genes in Marine Annelid

Sample size: 16 publication Evidence: moderate

Author Information

Author(s): Boran Altincicek, Andreas Vilcinskas

Primary Institution: Justus-Liebig-University of Giessen

Hypothesis

The immune-related transcriptome of the marine annelid Platynereis dumerilii can provide insights into its immune responses.

Conclusion

The study enhances understanding of Platynereis immunity and supports its use as a model for analyzing immune responses in Lophotrochozoa.

Supporting Evidence

  • 288 cDNAs were sequenced, revealing numerous immune-related genes.
  • Phylogenetic analyses showed that immune-related genes in P. dumerilii are more closely related to Deuterostomia than to Ecdysozoa.
  • Quantitative real-time PCR confirmed the immune-induced expression of key genes like myc, SOCS, and BPI.

Takeaway

Researchers looked at how a sea worm's immune system works by studying its genes after it was injected with bacteria. They found many important genes that help it fight infections.

Methodology

The study used suppression subtractive hybridization to identify immune-related genes after injecting bacterial lipopolysaccharide into the annelids.

Limitations

The study primarily focuses on a single species and may not represent all lophotrochozoans.

Participant Demographics

Adult Platynereis dumerilii from a specific strain.

Digital Object Identifier (DOI)

10.1186/1742-9994-4-18

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