VAPA, an Innovative “Virus-Acquisition Phenotyping Assay” Opens New Horizons in Research into the Vector-Transmission of Plant Viruses Characterization of Vector Plant Virus Acquisition
2011

New Method for Studying Plant Virus Transmission by Aphids

Sample size: 57 publication Evidence: moderate

Author Information

Author(s): Martinière Alexandre, Macia Jean-Luc, Bagnolini Guillaume, Jridi Chiraz, Bak Aurélie, Blanc Stéphane, Drucker Martin

Primary Institution: Equipe CaGeTE, INRA, UMR BGPI, Campus International de Baillarguet, Montpellier, France

Hypothesis

Understanding the mechanisms of virus acquisition by aphids can help design future virus control strategies.

Conclusion

The study developed a new assay that allows for the examination of virus acquisition and transmission efficiency from living plant cells by aphids.

Supporting Evidence

  • The new assay allows for precise control of the physiological state of plant cells.
  • Virus acquisition was shown to require living cells, as disrupted protoplasts did not support transmission.
  • The study demonstrated that the drug oryzalin significantly inhibited virus transmission.

Takeaway

Researchers created a new way to study how aphids pick up viruses from plants, which could help us find better ways to stop these viruses from spreading.

Methodology

An aphid membrane-feeding assay was developed to study virus acquisition from living protoplasts infected with cauliflower mosaic virus and turnip mosaic virus.

Limitations

The protoplast system may not fully replicate the conditions of intact plant tissues.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023241

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