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Calcium Signaling in Plant-Insect Interactions.


ABSTRACT: In plant-insect interactions, calcium (Ca2+) variations are among the earliest events associated with the plant perception of biotic stress. Upon herbivory, Ca2+ waves travel long distances to transmit and convert the local signal to a systemic defense program. Reactive oxygen species (ROS), Ca2+ and electrical signaling are interlinked to form a network supporting rapid signal transmission, whereas the Ca2+ message is decoded and relayed by Ca2+-binding proteins (including calmodulin, Ca2+-dependent protein kinases, annexins and calcineurin B-like proteins). Monitoring the generation of Ca2+ signals at the whole plant or cell level and their long-distance propagation during biotic interactions requires innovative imaging techniques based on sensitive sensors and using genetically encoded indicators. This review summarizes the recent advances in Ca2+ signaling upon herbivory and reviews the most recent Ca2+ imaging techniques and methods.

SUBMITTER: Parmagnani AS 

PROVIDER: S-EPMC9609891 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Calcium Signaling in Plant-Insect Interactions.

Parmagnani Ambra S AS   Maffei Massimo E ME  

Plants (Basel, Switzerland) 20221012 20


In plant-insect interactions, calcium (Ca<sup>2+</sup>) variations are among the earliest events associated with the plant perception of biotic stress. Upon herbivory, Ca<sup>2+</sup> waves travel long distances to transmit and convert the local signal to a systemic defense program. Reactive oxygen species (ROS), Ca<sup>2+</sup> and electrical signaling are interlinked to form a network supporting rapid signal transmission, whereas the Ca<sup>2+</sup> message is decoded and relayed by Ca<sup>2+<  ...[more]

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