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Authors Wang, JJ; An, C; Guo, HL; Yang, XY; Chen, JB; Zong, JQ; Li, JJ; Liu, JX
Author Full Name Wang, Jingjing; An, Cong; Guo, Hailin; Yang, Xiangyang; Chen, Jingbo; Zong, Junqin; Li, Jianjian; Liu, Jianxiu
Title Physiological and transcriptomic analyses reveal the mechanisms underlying the salt tolerance of Zoysia japonica Steud
Source BMC PLANT BIOLOGY
Language English
Document Type Article
Author Keywords DUF; Hormone signal; Salt tolerance; Transcription factor; Transcriptome; Zoysia grass
Keywords Plus SALINITY TOLERANCE; ABSCISIC-ACID; SIGNALING PATHWAYS; ENHANCES TOLERANCE; GENE-EXPRESSION; PLANT-GROWTH; PROTEIN GENE; ARABIDOPSIS; DROUGHT; STRESS
Abstract Background Areas with saline soils are sparsely populated and have fragile ecosystems, which severely restricts the sustainable development of local economies. Zoysia grasses are recognized as excellent warm-season turfgrasses worldwide, with high salt tolerance and superior growth in saline-alkali soils. However, the mechanism underlying the salt tolerance of Zoysia species remains unknown. Results The phenotypic and physiological responses of two contrasting materials, Zoysia japonica Steud. Z004 (salt sensitive) and Z011 (salt tolerant) in response to salt stress were studied. The results show that Z011 was more salt tolerant than was Z004, with the former presenting greater K+/Na+ ratios in both its leaves and roots. To study the molecular mechanisms underlying salt tolerance further, we compared the transcriptomes of the two materials at different time points (0 h, 1 h, 24 h, and 72 h) and from different tissues (leaves and roots) under salt treatment. The 24-h time point and the roots might make significant contributions to the salt tolerance. Moreover, GO and KEGG analyses of different comparisons revealed that the key DEGs participating in the salt-stress response belonged to the hormone pathway, various TF families and the DUF family. Conclusions Zoysia salt treatment transcriptome shows the 24-h and roots may make significant contributions to the salt tolerance. The auxin signal transduction family, ABA signal transduction family, WRKY TF family and bHLH TF family may be the most important families in Zoysia salt-stress regulation.
Author Address [Guo, Hailin] Inst Bot, Nanjing 210014, Jiangsu, Peoples R China; Chinese Acad Sci, Nanjing 210014, Peoples R China
Reprint Address Guo, HL (corresponding author), Inst Bot, Nanjing 210014, Jiangsu, Peoples R China.
E-mail Address ghlnmg@sina.com
Funding Agency and Grant Number National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31572155, 31672195]; Natural Science Foundation of Jiangsu Province, ChinaNatural Science Foundation of Jiangsu Province [BK20151371]; National Key R&D Program of China [SQ2016FY326000402]
Funding Text This work was funded by the National Natural Science Foundation of China [31572155, 31672195], the Natural Science Foundation of Jiangsu Province, China [BK20151371], and National Key R&D Program of China [SQ2016FY326000402].
Times Cited 3
Total Times Cited Count (WoS, BCI, and CSCD) 3
Publisher BMC
Publisher City LONDON
Publisher Address CAMPUS, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
ISSN 1471-2229
29-Character Source Abbreviation BMC PLANT BIOL
ISO Source Abbreviation BMC Plant Biol.
Publication Date MAR 14
Year Published 2020
Volume 20
Issue 1
Article Number 114
Digital Object Identifier (DOI) 10.1186/s12870-020-02330-6
Page Count 16
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number KV4NJ
Unique Article Identifier WOS:000520458600001
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