生物
激酶
异三聚体G蛋白
能量稳态
转录因子
磷酸化
细胞生物学
信号转导
平衡
生物化学
基因
G蛋白
受体
作者
Nathalie Crepin,Filip Rolland
标识
DOI:10.1016/j.pbi.2019.03.006
摘要
The SnRK1 kinases are key regulators of the plant energy balance, but how their activity is regulated by metabolic status is still unclear. While the heterotrimeric kinase complex is well conserved among plants, fungi, and animals, plants appear to have modified its regulation to better fit their unique physiology and lifestyle. The SnRK1 kinases control metabolism, growth, and development, and stress tolerance by direct phosphorylation of metabolic enzymes and regulatory proteins and by extensive transcriptional regulation. Diverse types of transcription factors have already been implicated, with a well-studied role for the heterodimerizing group C and group S1 bZIPs. SnRK1 is also part of a more elaborate metabolic and stress signaling network, which includes the TOR kinase and the ABA-signaling SnRK2 kinases.
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