Mapping QTL for Resistance against Pieris brassicae in Arabidopsis
Author Information
Author(s): Marina Pfalz, Heiko Vogel, Thomas Mitchell-Olds, Juergen Kroymann
Primary Institution: Max Planck Institute for Chemical Ecology
Hypothesis
How do crucifers defend themselves against specialist insect herbivores?
Conclusion
Resistance against specialist insect herbivores is influenced by traits other than those affecting resistance against generalist herbivores.
Supporting Evidence
- Six QTL for resistance against Pieris brassicae were identified.
- Resistance to Pieris brassicae was positively correlated with resistance to Plutella xylostella.
- None of the traits measured convincingly explained the resistance QTL.
Takeaway
This study looked at how a plant called Arabidopsis fights off specific bugs that like to eat it, and found that it uses different tricks than it does for other bugs.
Methodology
The study analyzed natural variation for resistance against Pieris brassicae and Plutella xylostella among Arabidopsis accessions and a new recombinant inbred line population, identifying QTL for resistance traits.
Limitations
The study did not find a direct correlation between glucosinolate levels and resistance to Pieris brassicae.
Statistical Information
P-Value
p<0.00001
Statistical Significance
p<0.00001
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website