Proteomics of mercury-induced responses and resilience in plants: a review

Excessive levels of heavy metals in the environment induce toxic effects on food crops and human health. For instance, mercury (Hg) disrupts global plant physiology and metabolism, yet Hg tolerance mechanisms in plants are not well understood at the protein level. Food security would be improved by...

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Bibliographic Details
Published in:Environmental chemistry letters 2022-10, Vol.20 (5), p.3335-3355
Main Authors: Ahmad, Javed, Ali, Arlene Asthana, Iqbal, Muhammed, Ahmad, Abrar, Qureshi, M. Irfan
Format: Article
Language:English
Subjects:
Analytical Chemistry
Bioinformatics
Biosynthesis
Detoxification
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Flowers & plants
Food
Food security
Gels
Gene expression
Gene regulation
Genomics
Geochemistry
Heavy metals
Kinases
Mass spectrometry
Mass spectroscopy
Mercury
Metabolic pathways
Metabolism
Metals
Photosynthesis
Physiology
Plant biology
Plant physiology
Plants
Plants (botany)
Pollution
Proteins
Proteomes
Proteomics
Review
Rice
Signal transduction
Sulfur
Sulphur
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Summary:Excessive levels of heavy metals in the environment induce toxic effects on food crops and human health. For instance, mercury (Hg) disrupts global plant physiology and metabolism, yet Hg tolerance mechanisms in plants are not well understood at the protein level. Food security would be improved by better knowledge of Hg-induced protein networks, signaling pathways, hormonal control, chaperon biosynthesis, sulfur metabolism, antioxidants, and other Hg detoxification mechanisms. Recent proteomic research has disclosed Hg-responsive proteins involved in gene regulation and metabolic pathways such as photosynthesis, respiration, and defense under stress. Here, we review the mechanisms of proteome modulation by Hg in plants. We discuss techniques such as gel-based and gel-free proteomics, mass spectrometry, and bioinformatics.
ISSN:1610-3653
1610-3661
DOI:10.1007/s10311-022-01388-y