TOR Mediates Stress Responses Through Global Regulation of Metabolome in Plants

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Abstract

The target of rapamycin (TOR) kinase is an evolutionarily conserved atypical Ser/Thr protein kinase found in yeasts, plants, and mammals. In plants, TOR functions as a central signaling hub, playing a crucial role in the precise orchestration of growth and development. Extensive studies have underscored its significance in plant signaling by highlighting its integral role in these processes. Recent research has further elucidated TOR's multifaceted roles in plant responses to environmental stresses, emphasizing its importance in stress adaptation. In this review, we will discuss recent findings on the involvement of TOR signaling in plant adaptation to various abiotic and biotic stresses. Moreover, mounting evidence indicates TOR’s role in mediating the plant transcriptome. Therefore, we will specifically discuss TOR-regulated metabolome reprogramming in plant response to different stresses.

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