Journal
INSECT SCIENCE
Volume 20, Issue 3, Pages 273-285Publisher
WILEY
DOI: 10.1111/j.1744-7917.2012.01584.x
Keywords
defense priming; epigenetic modifications; plantinsect interactions
Categories
Funding
- United States Department of Agriculture and Food Research Initiative program [2010-65105-20639, 2011-67013-30352]
- NIFA [2010-65105-20639, 2011-67013-30352, 579634, 580983] Funding Source: Federal RePORTER
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Defense priming is defined as increased readiness of defense induction. A growing body of literature indicates that plants (or intact parts of a plant) are primed in anticipation of impending environmental stresses, both biotic and abiotic, and upon the following stimulus, induce defenses more quickly and strongly. For instance, some plants previously exposed to herbivore-inducible plant volatiles (HIPVs) from neighboring plants under herbivore attack show faster or stronger defense activation and enhanced insect resistance when challenged with secondary insect feeding. Research on priming of antiherbivore defense has been limited to the HIPV-mediated mechanism until recently, but significant advances were made in the past three years, including non-HIPV-mediated defense priming, epigenetic modifications as the molecular mechanism of priming, and others. It is timely to consider the advances in research on defense priming in the plantinsect interactions.
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