RNA interference in marine and freshwater sponges: actin knockdown in Tethya wilhelma and Ephydatia muelleri by ingested dsRNA expressing bacteria
2011

RNA Interference in Marine and Freshwater Sponges

Sample size: 11 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ajna S Rivera, Jörg U Hammel, Karri M Haen, Elizabeth S Danka, Brandon Cieniewicz, Ian P Winters, Dora Posfai, Gert Wörheide, Dennis V Lavrov, Scott W Knight, Malcolm S Hill, April L Hill, Michael Nickel

Primary Institution: University of Richmond

Hypothesis

Can RNA interference techniques be successfully applied to marine and freshwater sponges for gene knockdown?

Conclusion

The study successfully demonstrates RNA interference techniques for gene knockdown in the sponges E. muelleri and T. wilhelma.

Supporting Evidence

  • RNA interference techniques were adapted from methods used in C. elegans.
  • Significant reductions in actin mRNA levels were observed in both sponge species after treatment.
  • Feeding sponges bacteria expressing dsRNA was effective for gene knockdown.

Takeaway

Scientists found a way to make sponges stop using a certain gene by feeding them special bacteria, which helps us learn more about how these animals work.

Methodology

The study used soaking and feeding methods to deliver dsRNA to sponges for gene knockdown.

Limitations

The soaking method was not viable for marine species due to salinity changes affecting sponge health.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6750-11-67

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