Defence reactions in the apoplastic proteome of oilseed rape (Brassica napus var. napus) attenuate Verticillium longisporum growth but not disease symptoms
2008

Defence reactions in oilseed rape against Verticillium longisporum

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Floerl Saskia, Druebert Christine, Majcherczyk Andrzej, Karlovsky Petr, Kües Ursula, Polle Andrea

Primary Institution: Büsgen-Institut, Göttingen, Germany

Hypothesis

The study aimed to investigate extracellular defence reactions induced by V. longisporum in Brassica napus var. napus.

Conclusion

V. longisporum infection did not result in drought stress or nutrient limitations, and a distinct array of extracellular PR-proteins was activated that might have limited the fungus's spread.

Supporting Evidence

  • V. longisporum did not overcome the hypocotyl barrier until 3 weeks after infection.
  • Photosynthetic carbon assimilation and transpiration rate were not affected in infected plants compared to non-infected plants.
  • Xylem sap of infected plants inhibited the growth of V. longisporum.

Takeaway

When oilseed rape plants get infected by a fungus, they don't run out of water or nutrients, and they activate special proteins to fight back.

Methodology

The study involved proteome analysis of leaf apoplast and xylem sap, along with measurements of photosynthesis, transpiration, and nutrient elements.

Limitations

The study did not explore the long-term effects of V. longisporum infection beyond the initial stages.

Participant Demographics

The study focused on Brassica napus var. napus plants.

Statistical Information

P-Value

0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2229-8-129

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