What is it about?
We used a non-targeted UPLC–HRMS global metabolomics method and multivariate analysis for identifying metabolites from the leaf tissue of the drought stressed and well-watered chickpea plants at two different time points. We have reported increased or decreased level of different metabolites in two different varieties at different time points and their involvement in different metabolic pathways and in drought tolerance mechanisms. As these metabolites levels were constantly higher or lower in both sensitive and tolerant varieties and at different time points, this suggests their role in monitoring biochemical pathways related to drought tolerance.
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Why is it important?
Drought stress is one of the major problems in chickpea growing areas. Though drought stress changes biochemical mechanisms in plants, however, little is known about the complex metabolic regulation for genetic improvement in chickpea under drought stress environments. The present study was conducted to identify changes at different metabolites in two chickpea varieties contrasting for drought tolerance under drought and control conditions. This study also demonstrates the metabolic pathways potentially involved in drought tolerance mechanism in chickpea.
Perspectives
Genetic improvement for drought tolerance in chickpea requires a solid understanding of biochemical processes involved with different physiological mechanisms. The objective of this study is to demonstrate genetic variations in altered metabolic levels in chickpea varieties (tolerant and sensitive) grown under contrasting water regimes through UPLC-HRMS based untargeted metabolomic profiling. The present study was conducted to identify changes at different metabolites in two chickpea varieties contrasting for drought tolerance under drought and control conditions. This was the first ever report on chickpea metabolom under stress condition.
Naeem Khan
Quaid-i-Azam University
Read the Original
This page is a summary of: UPLC-HRMS-based untargeted metabolic profiling reveals changes in chickpea (Cicer arietinum
) metabolome following long-term drought stress, Plant Cell & Environment, April 2018, Wiley,
DOI: 10.1111/pce.13195.
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