Interactions entre la plante et sa communauté d’insectes herbivores : les processus moléculaires

See on Scoop.itAgroSup Dijon Veille Scientifique AgroAlimentaire – Agronomie

Plant Interactions with Multiple Insect Herbivores: From Community to Genes – Annual Review of Plant Biology, 65(1):689

 

« Every plant is a member of a complex insect community that consists of tens to hundreds of species that belong to different trophic levels. The dynamics of this community are critically influenced by the plant, which mediates interactions between community members that can occur on the plant simultaneously or at different times. Herbivory results in changes in the plant’s morphological or chemical phenotype that affect interactions with subsequently arriving herbivores. Changes in the plant’s phenotype are mediated by molecular processes such as phytohormonal signaling networks and transcriptomic rearrangements that are initiated by oral secretions of the herbivore. Processes at different levels of biological complexity occur at timescales ranging from minutes to years. In this review, we address plant-mediated interactions with multiple species of the associated insect community and their effects on community dynamics, and link these to the mechanistic effects that multiple attacks have on plant phenotypes. » 

 

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