In Silico analysis of Vitis vinifera Cabernet Sauvignon TOR and its responses to sugar and abscisic acid signaling

Zhao, Ying; Wang, Xiu-Qin

doi:10.1590/0102-33062020abb0482

Cited by 2 publications

(1 citation statement)

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“…3 ) [ 67 ]. According to a recent study, glc–TOR signaling played a critical role in adjusting the circadian period [ 56 , 68 ]. When glucose was externally applied, it activated TOR and shortened the circadian period [ 68 ].…”

Section: Target Of Rapamycinmentioning

confidence: 99%

The critical roles of three sugar-related proteins (HXK, SnRK1, TOR) in regulating plant growth and stress responses

Li,

Zhao

2024

Horticulture Research

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Sugar signaling is one of the most critical regulatory signals in plants, and its metabolic network contains multiple regulatory factors. Sugar signal molecules regulate cellular activities and organism development by combining with other intrinsic regulatory factors and environmental inputs. HXK, SnRK1 and TOR are three fundamental proteins that have a pivotal role in the metabolism of sugars in plants. HXK, being the initial glucose sensor discovered in plants, is renowned for its multifaceted characteristics. Recent investigations have unveiled that HXK additionally assumes a significant role in plant hormonal signaling and abiotic stress. SnRK1 serves as a vital regulator of growth under energy-depleted circumstances, whereas TOR, a large protein, acts as a central integrator of signaling pathways that govern cell metabolism, organ development, and transcriptome reprogramming in response to diverse stimuli. Together, these two proteins work to sense upstream signals and modulate downstream signals to regulate cell growth and proliferation. In recent years, there has been an increasing amount of research on these three proteins, particularly on TOR and SnRK1. Furthermore, studies have found that these three proteins not only regulate sugar signaling but also exhibit certain signal crosstalk in regulating plant growth and development. This review provides a comprehensive overview and summary of the basic functions and regulatory networks of these three proteins. It aims to serve as a reference for further exploration of the interactions between these three proteins and their involvement in co-regulatory networks.

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