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Plants (Basel)


Title:Metabolic Integration of Spectral and Chemical Cues Mediating Plant Responses to Competitors and Herbivores
Author(s):Chauta A; Kessler A;
Address:"Department of Ecology and Evolutionary Biology, Cornell University, E445 Corson Hall, Ithaca, NY 14850, USA"
Journal Title:Plants (Basel)
Year:2022
Volume:20221019
Issue:20
Page Number: -
DOI: 10.3390/plants11202768
ISSN/ISBN:2223-7747 (Print) 2223-7747 (Electronic) 2223-7747 (Linking)
Abstract:"Light quality and chemicals in a plant's environment can provide crucial information about the presence and nature of antagonists, such as competitors and herbivores. Here, we evaluate the roles of three sources of information-shifts in the red:far red (R:FR) ratio of light reflected off of potentially competing neighbors, induced metabolic changes to damage by insect herbivores, and induced changes to volatile organic compounds emitted from herbivore-damaged neighboring plants-to affect metabolic responses in the tall goldenrod, Solidago altissima. We address the hypothesis that plants integrate the information available about competitors and herbivory to optimize metabolic responses to interacting stressors by exposing plants to the different types of environmental information in isolation and combination. We found strong interactions between the exposure to decreased R:FR light ratios and damage on the induction of secondary metabolites (volatile and non-volatile) in plants. Similarly, the perception of VOCs emitted from neighboring plants was altered by the simultaneous exposure to spectral cues from neighbors. These results suggest that plants integrate spectral and chemical environmental cues to change the production and perception of volatile and non-volatile compounds and highlight the role of plant context-dependent metabolic responses in mediating population and community dynamics"
Keywords:competition herbivory induced defenses plant communication plant resistance red:far red secondary metabolites volatiles;
Notes:"PubMed-not-MEDLINEChauta, Alexander Kessler, Andre eng N/A/Fundacion Centro de Estudios Interdisciplinarios Basicos y Aplicados/ 2021-22-194/NIFA Multistate NE-1501/ Switzerland 2022/10/28 Plants (Basel). 2022 Oct 19; 11(20):2768. doi: 10.3390/plants11202768"

 
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