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08:21
Real-time In Vivo Recording of Arabidopsis Calcium Signals During Insect Feeding Using a Fluorescent Biosensor
Published on: August 15, 2017
Long distance root-shoot signalling in plant-insect community interactions
Roxina Soler1, Matthias Erb, Ian Kaplan
1Laboratory of Entomology, Wageningen University, P.O. Box 8031, 6700 EH Wageningen, The Netherlands. r.soler@nioo.knaw.nl
Trends in Plant Science
|September 20, 2012
Summary
Plants use phytohormones to manage insect interactions, with similar pathways causing negative effects within feeding guilds and opposing pathways creating positive effects between guilds. Future research should explore diverse plant-insect systems and growth hormones.
Area of Science:
- Plant-insect interactions
- Chemical ecology
- Plant signaling
Background:
- Plants mediate insect interactions, but mechanisms linking to ecological theory are unclear.
- Long-distance defense signaling in plants offers new insights into these interactions.
- Phytohormones play a crucial role in mediating plant responses to herbivory.
Purpose of the Study:
- To explore the role of phytohormones in aboveground-belowground plant-insect interactions.
- To propose a model for predicting interaction outcomes based on feeding guilds and signaling pathways.
- To highlight areas for future research in plant-mediated interactions.
Main Methods:
- Review of existing literature on plant defense signaling and phytohormone pathways.
- Analysis of long-distance signaling mechanisms (leaf-leaf, root-shoot).
- Theoretical modeling of intra- and inter-guild feeding interactions.
Main Results:
- Intra-feeding guild interactions are generally negative due to similar induced phytohormonal pathways.
- Inter-feeding guild interactions are often positive due to negative signal crosstalk between pathways.
- Feeding guild alone does not fully explain all interaction outcomes.
Conclusions:
- Phytohormone signaling is a key driver of plant-mediated insect interactions.
- Understanding signal crosstalk and specific plant-insect systems is crucial.
- Future studies should incorporate plant growth hormones and ecologically relevant systems.
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