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Insights into salt tolerance of mustard (Brassica juncea L. Czern & Coss): A metabolomics perspective

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Title Insights into salt tolerance of mustard (Brassica juncea L. Czern & Coss): A metabolomics perspective
 
Creator Jogendra Singh
Vijayata Singh
Vikas Dutt
Nisha Walia
Gayatri Kumawat
Mohan Lal Jakhar
Devendra Kumar Yadava
Parbodh Chander Sharma
 
Subject Brassica juncea, Salt stress, UHPLC-MS/MS, Metabolomics, Differentially altered metabolites, Metabolic pathways
 
Description Salt stress is one of the key abiotic factor which leads to reduced global agricultural productions through
negatively impacting the growth and development of crops. Indian mustard (Brassica juncea), the most important
cruciferous crop with significant nutritional and medicinal values, is majorly affected by salt stress. In this study,
we explored the global metabolomic response of two Indian mustard genotypes, CS 60 and CS 245–2–80–7
grown under salt stress for different time periods to unleash the role of differentially accumulated metabolites
and relevant metabolic pathways involved in the salt tolerance mechanism. A total of 608 known compounds
were detected from 4119 metabolites using DionexUltiMate® 3000 Ultra High-Performance Liquid Chromatographic
System combined with “Q Exactive™ Plus Orbitrap™ Mass Spectrometer (UHPLC-MS/MS) analysis, from which 111
significantly altered metabolites in both genotypes were selected based on t-test and VIP score values. Using
MetPa from MetaboAnalyst 5.0 platform, metabolic pathways with significant impact values were considered to
be involved in the salt tolerance mechanism. Increased accumulation of metabolites and detected relevant
pathways majorly regulating the anti-oxidant defense system gives CS 60, a high yielding variety, an edge against
the genotype CS 245–2–80–7, which might be the chief tolerance mechanism to withstand salt stress.
 
Date 2022-07-08T04:42:38Z
2022-07-08T04:42:38Z
2022-02-01
 
Type Article
 
Identifier Singh J, Singh V, Dutt V, Walia N, Kumawat G, Jakhar ML, Yadava DK, and Sharma PC. 2022. Insights into salt tolerance of mustard (Brassica juncea L. Czern & Coss): A metabolomics perspective. Environmental and Experimental Botany. 194. 104760. https://doi.org/10.1016/j.envexpbot.2021.104760
http://krishi.icar.gov.in/jspui/handle/123456789/73588
 
Language English
 
Publisher Elsevier B.V.