Abstract
Sucrose non-fermenting1 (SNF1)-related kinase 1 (SnRK1) serves as a conserved molecular entity in plants, responding to energy stresses such as prolonged darkness, hypoxia, and photosynthesis inhibition. Its role involves orchestrating transcriptional reprogramming to enhance plant fitness in diverse environments. In this study, we delve into how SnRK1 influences carbon and nitrogen metabolism in Arabidopsis and other crop species through both transcriptional regulation and direct phosphorylation modification. Additionally, we explore the impact of sugar metabolites on SnRK1 activity in plants. The assembly mechanisms of the SnRK1 complex are also investigated by drawing insights from mammalian and yeast systems. Furthermore, we provide a comprehensive summary of the interplay between SnRK1 activity, autophagy, and virus defense. Collectively, our findings illuminate the intricate molecular connections between the SnRK1 complex and carbon/nitrogen metabolism in plants.
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