Silencing of Aphid Genes by dsRNA Feeding from Plants Plant-Mediated RNAi of Aphids
2011

Using Plants to Silence Genes in Aphids

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Marco Pitino, Alexander D. Coleman, Massimo E. Maffei, Christopher J. Ridout, Saskia A. Hogenhout

Primary Institution: The John Innes Centre, Norwich Research Park, Norwich, United Kingdom

Hypothesis

Can plant-mediated RNA interference (RNAi) effectively silence genes in the green peach aphid, Myzus persicae?

Conclusion

The study demonstrates that plant-mediated RNAi can effectively silence genes in aphids, leading to reduced progeny production.

Supporting Evidence

  • The study achieved a 30-60% reduction in gene expression in aphids fed on transgenic plants.
  • Silenced aphids produced fewer progeny, indicating the essential functions of the targeted genes.
  • The method allows for studying gene function in the natural habitat of aphids.

Takeaway

Scientists found a way to use plants to help silence genes in aphids, which can help control these pests better.

Methodology

Aphids were fed on transgenic plants producing dsRNA to silence specific genes, and gene expression was measured using quantitative RT-PCR.

Potential Biases

Potential bias in the selection of genes targeted for silencing and the specific plant species used.

Limitations

The study primarily focuses on two specific genes and may not generalize to all aphid species or genes.

Participant Demographics

The study involved the green peach aphid, Myzus persicae.

Statistical Information

P-Value

0.013

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0025709

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