A Synthetic Peptide Shows Retro- and Anterograde Neuronal Transport before Disrupting the Chemosensation of Plant-Pathogenic Nematodes
2011

Peptide Disrupts Nematode Chemosensation

Sample size: 56 publication 10 minutes Evidence: moderate

Author Information

Author(s): Wang Dong, Jones Laura M., Urwin Peter E., Atkinson Howard J.

Primary Institution: Centre for Plant Science, University of Leeds, Leeds, United Kingdom

Hypothesis

How does a peptide disrupt chemoreception in cyst nematodes?

Conclusion

The peptide disrupts the ability of cyst nematodes to orient towards plant roots by interfering with their chemosensory neurons.

Supporting Evidence

  • The peptide binds to nicotinic acetylcholine receptors in nematodes.
  • Fluorescently tagged peptides were used to visualize neuronal transport.
  • Behavioral assays showed reduced attraction to root exudates after peptide exposure.

Takeaway

A special peptide can confuse tiny worms that attack plants, making it hard for them to find their food.

Methodology

The study used fluorescently tagged peptides to track their transport in nematodes and assessed behavioral responses to root exudates.

Potential Biases

Potential bias in the selection of nematode species and experimental conditions.

Limitations

The study primarily focused on two nematode species and may not generalize to all plant-parasitic nematodes.

Participant Demographics

Second stage juveniles (J2) of Heterodera schachtii and Globodera pallida.

Statistical Information

P-Value

0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0017475

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