Research advances on the plant ESCRT machinery regulation of stress responses
Stress is one of the major reasons causing global crop yield decline.Under stress conditions,the intracellular protein trafficking needs to be adjusted rapidly to ensure the correct delivery of the associated cargo molecules via endomembrane system.The endomembrane system in eukaryotic cells contains diverse membrane-bound organelles,which are accurately and efficiently generated in a well-organized way.These organelles play essential roles in protein transport.The endosomal sorting complex required for transport(ESCRT)complex mediates the biogenesis of prevacuolar compartment/multivesicular body(PVC/MVB),facilitating the vacuolar trafficking of the ubiquitinated proteins.This review highlights the recent research on ESCRT machinery in plant stress responses,including the basic composition and function of ESCRT,and the regulatory role of ESCRT in plant abiotic stress(i.e.drought and salt stress)and innate immunity.To explore how ESCRT specifically recognizes and regulates stress response proteins,it will be helpful to construct a more precise ESCRT-mediated molecular regulatory network of stress responses.[Ch,2 fig.1 tab.70 ref.]
endosomal sorting complex required for transport(ESCRT)stress responsesendomembrane traffickingPVC/MVBabscisic acid(ABA)SOS pathway
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