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Comparative metabolomics unveils the role of metabolites and metabolic pathways in the adaptive mechanisms of shrubby halophytes
Year:
2022
Authors :
Alkan, Noam
;
.
Patel, Manish Kumar
;
.
Volume :
202
Co-Authors:

Manish Kumar Patel
Sonika Pandey
Bhakti Tanna
Noam Alkan
Avinash Mishra

Facilitators :
From page:
0
To page:
0
(
Total pages:
1
)
Abstract:

Salinity is a major abiotic stress that reduces agricultural production by impairing crop growth and development. Halophytes can complete their life cycle under high salinity conditions. In this study, primary metabolic pathways and metabolic marker were compared in three halophytes; Atriplex nummulariaAgriffithii and Salvadora persica. The principal component analysis (PCA) and partial least squares-discriminate analyses (PLS-DA) identified variations among halophytes. Furthermore, correlation analyses, metabolites network analyses and pathway impact/enrichment analyses revealed common metabolic pathways occurring in halophytes. Unequivocally, a total of 49 metabolites were identified from different metabolites classes such as amino acids, sugars, sugar alcohols (SAs), organic acids, and tricarboxylic acid cycles. The metabolic differences were noted for serine, norvaline, threonic acid, glucose, sucrose, mannitol, galactinol, and glycerol in Spersica as compared to Atriplex spp. The TCA cycle metabolites malic and citric acids were majorly found in Anummularia, while succinic and 2-ketoglutaric acids were detected in Anummularia and Spersica. Correlation-based networking and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway enrichment analysis revealed linkages of metabolites to major biological pathways like amino acid (AA) biosynthesis, carbohydrate metabolism, glyoxylate and dicarboxylate metabolism, arginine biosynthesis, galactose metabolism, butanoate metabolism, and the TCA cycle. The current work is the first to report on the metabolomic responses of shrubby halophytes in natural environmental conditions. The study’s findings, especially the coordination of multiple metabolic processes and pathways in shrubby halophytes, clarify how the plant adapts to harsh saline environments.

Note:
Related Files :
Atriplex griffithii
Atriplex nummularia
halophyte
Metabolic pathways
Metabolomics
Salvadora persica
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More details
DOI :
10.1016/j.envexpbot.2022.105030
Article number:
105030
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
61671
Last updated date:
28/08/2022 17:16
Creation date:
28/08/2022 17:16
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Scientific Publication
Comparative metabolomics unveils the role of metabolites and metabolic pathways in the adaptive mechanisms of shrubby halophytes
202

Manish Kumar Patel
Sonika Pandey
Bhakti Tanna
Noam Alkan
Avinash Mishra

Comparative metabolomics unveils the role of metabolites and metabolic pathways in the adaptive mechanisms of shrubby halophytes .

Salinity is a major abiotic stress that reduces agricultural production by impairing crop growth and development. Halophytes can complete their life cycle under high salinity conditions. In this study, primary metabolic pathways and metabolic marker were compared in three halophytes; Atriplex nummulariaAgriffithii and Salvadora persica. The principal component analysis (PCA) and partial least squares-discriminate analyses (PLS-DA) identified variations among halophytes. Furthermore, correlation analyses, metabolites network analyses and pathway impact/enrichment analyses revealed common metabolic pathways occurring in halophytes. Unequivocally, a total of 49 metabolites were identified from different metabolites classes such as amino acids, sugars, sugar alcohols (SAs), organic acids, and tricarboxylic acid cycles. The metabolic differences were noted for serine, norvaline, threonic acid, glucose, sucrose, mannitol, galactinol, and glycerol in Spersica as compared to Atriplex spp. The TCA cycle metabolites malic and citric acids were majorly found in Anummularia, while succinic and 2-ketoglutaric acids were detected in Anummularia and Spersica. Correlation-based networking and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway enrichment analysis revealed linkages of metabolites to major biological pathways like amino acid (AA) biosynthesis, carbohydrate metabolism, glyoxylate and dicarboxylate metabolism, arginine biosynthesis, galactose metabolism, butanoate metabolism, and the TCA cycle. The current work is the first to report on the metabolomic responses of shrubby halophytes in natural environmental conditions. The study’s findings, especially the coordination of multiple metabolic processes and pathways in shrubby halophytes, clarify how the plant adapts to harsh saline environments.

Scientific Publication
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