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Authors Jana, GA; Al Kharusi, L; Sunkar, R; Al-Yahyai, R; Yaish, MW
Author Full Name Jana, Gerry Aplang; Al Kharusi, Latifa; Sunkar, Ramanjulu; Al-Yahyai, Rashid; Yaish, Mahmoud W.
Title Metabolomic analysis of date palm seedlings exposed to salinity and silicon treatments
Source PLANT SIGNALING & BEHAVIOR
Language English
Document Type Article
Author Keywords Salinity; date palm; metabolomics; antioxidants; detoxification; tolerance; silicon
Keywords Plus SALT TOLERANCE; ANTIOXIDANT ACTIVITIES; OXIDATIVE STRESS; ABIOTIC STRESS; ACID; PLANTS; BIOSYNTHESIS; ACCUMULATION; GLUTATHIONE; METABOLITES
Abstract Silicon is known to promote plant growth as well as stress tolerance of plants. The current study was undertaken to assess the growth promoting effect of silicon on date palm seedling development as well as its ability to abate some of the negative effects of salinity. In this study, date palm seedlings were treated with silicon and sodium chloride salts, and the effect of these salts on some physiological parameters of the plants was determined. In addition, a global nontargeted metabolomics analysis was performed for the leaf and root tissues using liquid chromatography-mass spectrometry (LC-MS). The results showed that under non-stress conditions, silicon treatment enhanced the growth of the date palm seedlings, however, under salinity, silicon slightly mitigates the negative effects of salt stress on the date palm seedlings although it enhances the potassium accumulation under this condition. The global metabolomics analysis has identified a total of 1,101 significant differentially accumulated (p, q <= 0.05) metabolites in leaves and roots under silicon, salinity or their combination. A differential pairwise metabolic profile comparison revealed the accumulation of distinct metabolites in response to silicon and salinity treatments such as antioxidant compounds pyridoxine, cepharanthine, allithiamine, myristic acid and boldine; osmoregulators such as mucic acid; along with the accumulation of detoxification intermediates such as S-D-lactoylglutathione, beta-cyano-L-alanine and gamma-glutamyl-conjugates. In addition, histochemical analyses revealed that application of silicon significantly (p <= 0.05) enhanced the formation of the Casparian strip. Identification of the differentially accumulated metabolites could offer an insight into how silicon is able to promote growth and salinity tolerance in date palms.
Author Address [Jana, Gerry Aplang; Al Kharusi, Latifa; Yaish, Mahmoud W.] Sultan Qaboos Univ, Coll Sci, Dept Biol, POB 36, Muscat 123, Oman; [Sunkar, Ramanjulu] Oklahoma State Univ, Dept Biochem & Mol Biol, Stillwater, OK 74078 USA; [Al-Yahyai, Rashid] Sultan Qaboos Univ, Coll Agr & Marine Sci, Dept Crop Sci, Muscat, Oman
Reprint Address Yaish, MW (corresponding author), Sultan Qaboos Univ, Coll Sci, Dept Biol, POB 36, Muscat 123, Oman.
E-mail Address myaish@squ.edu.om
ResearcherID Number Al-Yahyai, Rashid/AAD-4008-2019; Yaish, Mahmoud/F-7168-2014
ORCID Number Al-Yahyai, Rashid/0000-0001-7628-6218; Yaish, Mahmoud/0000-0002-5171-3014; Jana, Gerry Aplang/0000-0002-0314-2392
Funding Agency and Grant Number Research Council of Oman (TRC) [151]
Funding Text This study is supported by The Research Council of Oman (TRC), grant number 151.
Times Cited 5
Total Times Cited Count (WoS, BCI, and CSCD) 5
Publisher TAYLOR & FRANCIS INC
Publisher City PHILADELPHIA
Publisher Address 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
ISSN 1559-2316
29-Character Source Abbreviation PLANT SIGNAL BEHAV
ISO Source Abbreviation Plant Signal. Behav.
Publication Date NOV 2
Year Published 2019
Volume 14
Issue 11
Article Number 1663112
Digital Object Identifier (DOI) 10.1080/15592324.2019.1663112
Page Count 16
Web of Science Category Biochemistry & Molecular Biology; Plant Sciences
Subject Category Biochemistry & Molecular Biology; Plant Sciences
Document Delivery Number JW6ZC
Unique Article Identifier WOS:000485351000001
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