NAC Transcription Factor Confers Salt and Drought Stress Tolerance to Transgenic and

Overview

Journal Plants (Basel)

Date 2022 Oct 14

PMID 36235512

Authors

Meiheriguli Mijiti

Yucheng Wang

Liuqiang Wang

Xugela Habuding

Affiliations

Soon will be listed here.

Abstract

Salt and drought are considered two major abiotic stresses that have a significant impact on plants. Plant NAC (NAM, ATAF1/2, and CUC2) transcription factors (TFs) have been shown to play vital roles in plant development and responses to various abiotic stresses. , a NAC gene from involved in salt and osmotic stress tolerance, was identified and characterized in this study. According to a phylogenetic study, is a member of NAC subfamily II. Subcellular localization analysis showed that is located in the nucleus, and transcriptional activation experiments demonstrated that is a transcriptional activator. Transgenic plants overexpressing exhibited improved salt and osmotic tolerance, as demonstrated by improved physiological traits. -overexpressing and -silenced plants were generated using the transient transformation method and selected for gain- and loss-of-function analysis. The results showed that overexpression of in transgenic and plants increased the activities of antioxidant enzymes (SOD, POD, and GST) and osmoprotectant (proline and trehalose) contents under stress conditions. These findings suggest that plays an important physiological role in plant abiotic stress tolerance by increasing ROS scavenging ability and improving osmotic potential.

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