Progress in Understanding the Physiological and Molecular Responses of Populus to Salt Stress

Zhang, Xiaoning; Liu, Lijun; Chen, Bowen; Qin, Zihai; Xiao, Yufei; Zhang, Ye; Yao, Ruiling; Liu, Hailong; Yang, Hong

doi:10.3390/ijms20061312

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Progress in Understanding the Physiological and Molecular Responses of Populus to Salt Stress

by

Xiaoning Zhang

^1,†,

Lijun Liu

^2,†,

Bowen Chen

¹,

Zihai Qin

¹,

Yufei Xiao

¹,

Ye Zhang

¹,

Ruiling Yao

¹,

Hailong Liu

^1,* and

Hong Yang

^3,*

¹

Guangxi Key Laboratory of Superior Timber Trees Resource Cultivation, Guangxi Forestry Research Institute, 23 Yongwu Road, Nanning 530002, China

²

Key Laboratory of State Forestry Administration for Silviculture of the lower Yellow River, College of Forestry, Shandong Agricultural University, Taian 271018, Shandong, China

³

Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Academy of Sciences, Yunnan Key Laboratory for Wild Plant Resources, Kunming 650201, China

^*

Authors to whom correspondence should be addressed.

^†

These authors contribute equally to this work.

Int. J. Mol. Sci. 2019, 20(6), 1312; https://doi.org/10.3390/ijms20061312

Submission received: 21 February 2019 / Revised: 8 March 2019 / Accepted: 9 March 2019 / Published: 15 March 2019

(This article belongs to the Special Issue Salinity Tolerance in Plants)

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Abstract

Salt stress (SS) has become an important factor limiting afforestation programs. Because of their salt tolerance and fully sequenced genomes, poplars (Populus spp.) are used as model species to study SS mechanisms in trees. Here, we review recent insights into the physiological and molecular responses of Populus to SS, including ion homeostasis and signaling pathways, such as the salt overly sensitive (SOS) and reactive oxygen species (ROS) pathways. We summarize the genes that can be targeted for the genetic improvement of salt tolerance and propose future research areas.

Keywords: poplars (Populus); salt tolerance; molecular mechanisms; SOS; ROS

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MDPI and ACS Style

Zhang, X.; Liu, L.; Chen, B.; Qin, Z.; Xiao, Y.; Zhang, Y.; Yao, R.; Liu, H.; Yang, H. Progress in Understanding the Physiological and Molecular Responses of Populus to Salt Stress. Int. J. Mol. Sci. 2019, 20, 1312. https://doi.org/10.3390/ijms20061312

AMA Style

Zhang X, Liu L, Chen B, Qin Z, Xiao Y, Zhang Y, Yao R, Liu H, Yang H. Progress in Understanding the Physiological and Molecular Responses of Populus to Salt Stress. International Journal of Molecular Sciences. 2019; 20(6):1312. https://doi.org/10.3390/ijms20061312

Chicago/Turabian Style

Zhang, Xiaoning, Lijun Liu, Bowen Chen, Zihai Qin, Yufei Xiao, Ye Zhang, Ruiling Yao, Hailong Liu, and Hong Yang. 2019. "Progress in Understanding the Physiological and Molecular Responses of Populus to Salt Stress" International Journal of Molecular Sciences 20, no. 6: 1312. https://doi.org/10.3390/ijms20061312

APA Style

Zhang, X., Liu, L., Chen, B., Qin, Z., Xiao, Y., Zhang, Y., Yao, R., Liu, H., & Yang, H. (2019). Progress in Understanding the Physiological and Molecular Responses of Populus to Salt Stress. International Journal of Molecular Sciences, 20(6), 1312. https://doi.org/10.3390/ijms20061312

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