Changing Hydrozoan Bauplans by Silencing Hox-Like Genes RNAi in Marine Cnidaria
2007

Changing Hydrozoan Bauplans by Silencing Hox-Like Genes

Sample size: 90 publication 10 minutes Evidence: high

Author Information

Author(s): Jakob Wolfgang, Schierwater Bernd

Primary Institution: Stiftung Tieraerztliche Hochschule Hannover

Hypothesis

Can RNAi transfection of Hox-like genes in marine cnidarians lead to observable changes in body plans?

Conclusion

The study demonstrates that silencing Hox-like genes in Cnidaria can lead to significant morphological changes, including the formation of multiple heads and body axis deformations.

Supporting Evidence

  • Silencing Cnox-2 and Cnox-3 resulted in the formation of multiple oral poles.
  • Inhibition of Cnox-5 led to significant deformation of the body axis.
  • The study established a protocol for RNAi studies in marine invertebrates.

Takeaway

Scientists found that by turning off certain genes in jellyfish, they could change how the jellyfish looked, like giving them extra heads.

Methodology

The study used RNAi and morpholino antisense oligos to silence Hox-like genes in the hydrozoan Eleutheria dichotoma and observed the resulting phenotypic changes.

Potential Biases

Potential bias in interpreting phenotypic changes due to the experimental conditions and the specific genes targeted.

Limitations

The study primarily focuses on a limited number of genes and may not account for all genetic interactions in Cnidaria.

Participant Demographics

The study involved the hydrozoan Eleutheria dichotoma, collected from Southern France.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0000694

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