Emerging role of roots in plant responses to aboveground insect herbivory
Emerging role of roots in plant responses to aboveground insect herbivory作者机构：Department of Biology Indiana University-Purdue University Fort Wayne Indiana Department of Biological Sciences and Center for Plant Lipid Research University of North Texas Denton Texas United States
出 版 物：《Insect Science》 (昆虫科学（英文版）)
年 卷 期：2013年第20卷第3期
页 面：286-296页
核心收录：
学科分类：090703[农学-森林保护学] 0907[农学-林学] 07[理学] 09[农学] 0713[理学-生态学]
基 金：supported by grants from the National Science Foundation (Division of Integrative Organismal Systems) supported by grants from the National Science Foundation (Division of Molecular and Division of Molecular and Cellular Biosciences) supported by start-up funds from Indiana University - Purdue University Fort Wayne to Dr. Punya Nachappa
主 题：jasmonic acid secondary metabolites shoot-to-root communication soilborne microorganisms
摘 要：Plants have evolved complex biochemical mechanisms to counter threats from insect herbivory. Recent research has revealed an important role of roots in plant responses to above ground herbivory （AGH）. The involvement of roots is integral to plant resistance and tolerance mechanisms. Roots not only play an active role in plant defenses by acting as sites for biosynthesis of various toxins and but also contribute to tolerance by storing photoassimilates to enable future regrowth. The interaction of roots with beneficial soil- borne microorganisms also influences the outcome of the interaction between plant and insect herbivores. Shoot-to-root communication signals are critical for plant response to AGH. A better understanding of the role of roots in plant response to AGH is essential in order to develop a comprehensive picture of plant-insect interactions. Here, we summarize the current status of research on the role of roots in plant response to AGH and also discuss possible signals involved in shoot-to-root communication.
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