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Related Experiment Video

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Identification of Post-translational Modifications of Plant Protein Complexes

Identification of Post-translational Modifications of Plant Protein Complexes

Published on: February 22, 2014

Kin recognition affects plant communication and defence.

Richard Karban¹, Kaori Shiojiri, Satomi Ishizaki

¹Department of Entomology, University of California, Davis, CA 95616, USA. rkarban@ucdavis.edu

Proceedings. Biological Sciences

|February 15, 2013

Summary

Plants can recognize relatives. Artemisia tridentata plants receiving volatile cues from kin showed increased resistance to herbivory compared to those receiving cues from strangers.

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Area of Science:

Plant communication
Kin recognition
Chemical ecology

Background:

Animals exhibit kin recognition, influencing cooperative behaviors.
Plants, like Artemisia tridentata, use volatile cues from wounded neighbors to enhance defense against herbivory.
Kin recognition in plants is less understood than in animals.

Purpose of the Study:

To investigate if Artemisia tridentata plants differentiate between kin and non-kin cues.
To determine if relatedness influences the effectiveness of plant-plant communication regarding herbivory defense.

Main Methods:

Microsatellite markers were used to assess genetic relatedness between Artemisia tridentata individuals.
Plants were exposed to volatile cues from experimentally clipped neighbors (both kin and non-kin).
Leaf herbivory levels were monitored in the field over a growing season.

Main Results:

Communication via volatile cues was more effective between closely related Artemisia tridentata plants.
Plants receiving cues from close relatives experienced significantly less leaf herbivory.
Defense responses were modulated by the genetic relatedness of neighboring plants.

Conclusions:

Artemisia tridentata exhibits kin recognition, responding differently to cues from relatives versus strangers.
Kin recognition in plants can enhance defense effectiveness, favoring relatives.
This finding supports the broader ecological and evolutionary consequences of kin recognition in plants.