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Authors Wang, WY; Chai, WW; Zhao, CY; Rowland, O; Wang, BS; Song, X; Liu, YQ; Ma, Q; Wang, SM
Author Full Name Wang, Wen-Ying; Chai, Wei-Wei; Zhao, Chang-Yu; Rowland, Owen; Wang, Bao-Shan; Song, Xin; Liu, Ya-Qi; Ma, Qing; Wang, Suo-Min
Title Under drought conditions NaCl improves the nutritional status of the xerophyte Zygophyllum xanthoxylum but not of the glycophyte Arabidopsis thaliana
Source JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE
Language English
Document Type Article
Author Keywords K+ homeostasis; potassium-sodium interaction; nutrients; water
Keywords Plus NITRATE REDUCTASE-ACTIVITY; WATER-USE EFFICIENCY; OSMOTIC ADJUSTMENT; SALT STRESS; MINERAL-NUTRITION; PLANT-GROWTH; SALINITY TOLERANCE; STIMULATES GROWTH; ENZYME-ACTIVITIES; SILICON SI
Abstract Zygophyllum xanthoxylum is a salt-accumulating xerophytic species with excellent adaptability to adverse environments. Previous studies demonstrated that Z. xanthoxylum absorbs a great quantity of Na+ as an osmoregulatory substance under arid conditions. To investigate the nutritional status of Z. xanthoxylum in comparison with a typical glycophyte, Arabidopsis thaliana, seedlings were exposed to NaCl (50 mM for Z. xanthoxylum and 5 mM for A. thaliana), osmotic stress (-0.5 MPa), and osmotic stress combined with the NaCl treatment. Compared to the control, NaCl treatment or osmotic stress significantly increased Na+ concentration in leaves and roots of Z. xanthoxylum, but not of A. thaliana. Under osmotic stress, the addition of NaCl significantly increased Na+ concentration in leaves and roots of Z. xanthoxylum, resulting in improved biomass and tissue water content. However, such changes were not observed in A. thaliana. Compared to the control, K+ concentrations in leaves and roots remained unchanged in Z. xanthoxylum when exposed to osmotic stress, with or without additional 50 mM NaCl. In contrast, significant reductions in shoot K+ concentrations of A. thaliana were observed under osmotic stress alone or when combined with 5 mM NaCl. Moreover, NaCl alone or when combined with osmotic stress enhanced the accumulation of N, P, Fe, Si, Ca2+, and Mg2+ in Z. xanthoxylum, but did not cause such nutritional changes in A. thaliana. Compared to the glycophyte A. thaliana, Z. xanthoxylum could accumulate Na+ and maintain the stability of nutritional status at a relatively constant level to cope with drought stress.
Author Address [Wang, Wen-Ying; Chai, Wei-Wei; Zhao, Chang-Yu; Rowland, Owen; Song, Xin; Liu, Ya-Qi; Ma, Qing; Wang, Suo-Min] Lanzhou Univ, State Key Lab Grassland Agroecosyst, Lanzhou 730020, Gansu, Peoples R China; [Wang, Wen-Ying; Chai, Wei-Wei; Zhao, Chang-Yu; Rowland, Owen; Song, Xin; Liu, Ya-Qi; Ma, Qing; Wang, Suo-Min] Lanzhou Univ, Key Lab Grassland Livestock Ind Innovat, Minist Agr & Rural Affairs, Lanzhou 730020, Gansu, Peoples R China; [Wang, Wen-Ying; Chai, Wei-Wei; Zhao, Chang-Yu; Rowland, Owen; Song, Xin; Liu, Ya-Qi; Ma, Qing; Wang, Suo-Min] Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Lanzhou 730020, Gansu, Peoples R China; [Rowland, Owen] Carleton Univ, Dept Biol, Ottawa, ON K1S 5B6, Canada; [Rowland, Owen] Carleton Univ, Inst Biochem, Ottawa, ON K1S 5B6, Canada; [Wang, Bao-Shan] Shandong Normal Univ, Coll Life Sci, Key Lab Plant Stress Res, Jinan 250014, Shandong, Peoples R China
Reprint Address Wang, SM (corresponding author), Lanzhou Univ, State Key Lab Grassland Agroecosyst, Lanzhou 730020, Gansu, Peoples R China.; Wang, SM (corresponding author), Lanzhou Univ, Key Lab Grassland Livestock Ind Innovat, Minist Agr & Rural Affairs, Lanzhou 730020, Gansu, Peoples R China.; Wang, SM (corresponding author), Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Lanzhou 730020, Gansu, Peoples R China.
E-mail Address smwang@lzu.edu.cn
Funding Agency and Grant Number National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31730093, 31470503]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities [lzujbky-2018-k01]
Funding Text We thank Yiwei Jiang, Department of Agronomy, Purdue University, for his corrections of this manuscript. This research was supported by the National Natural Science Foundation of China (31730093 and 31470503) and the Fundamental Research Funds for the Central Universities (lzujbky-2018-k01).
Times Cited 5
Total Times Cited Count (WoS, BCI, and CSCD) 5
Publisher WILEY-V C H VERLAG GMBH
Publisher City WEINHEIM
Publisher Address POSTFACH 101161, 69451 WEINHEIM, GERMANY
ISSN 1436-8730
29-Character Source Abbreviation J PLANT NUTR SOIL SC
ISO Source Abbreviation J. Plant Nutr. Soil Sci.
Publication Date AUG
Year Published 2019
Volume 182
Issue 4
Beginning Page 597
Ending Page 606
Digital Object Identifier (DOI) 10.1002/jpln.201800472
Page Count 10
Web of Science Category Agronomy; Plant Sciences; Soil Science
Subject Category Agriculture; Plant Sciences
Document Delivery Number IN5UV
Unique Article Identifier WOS:000478743000011
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