ArticlePlant cell reports2015
Polyamine metabolism influences antioxidant defense mechanism in foxtail millet (Setaria italica L.) cultivars with different salinity tolerance.
Article in Plant cell reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 59 citations in OpenAlex.
- Abiotic Stress Tolerance in Foxtail Millet (Plants (Basel, Switzerland) · 2026Review
- Millets and food security: a sustainable response to growing population needs.Frontiers in plant science · 2026Review
- Integrated physiological, transcriptomic, and metabolomic analyses elucidate the mechanism of salt tolerance in Reaumuria soongorica mediated by exogenous H₂S.BMC plant biology · 2025Article
- Mechanisms of Salt and Drought Stress Responses in Foxtail Millet.Plants (Basel, Switzerland) · 2025Review
- Systematic Analysis of DNA Demethylase Gene Families in Foxtail Millet (International journal of molecular sciences · 2024Article
- Article
- Identification and expression analysis of MAPK cascade gene family in foxtail millet (Plant signaling & behavior · 2023Article
- Article
- Resistance of MycorrhizalJournal of fungi (Basel, Switzerland) · 2023Article
- Article
- Multi-Omics Pipeline and Omics-Integration Approach to Decipher Plant's Abiotic Stress Tolerance Responses.Genes · 2023Review
- Exogenous Putrescine Increases Heat Tolerance in Tomato Seedlings by Regulating Chlorophyll Metabolism and Enhancing Antioxidant Defense Efficiency.Plants (Basel, Switzerland) · 2022Article
- Metabolites Reprogramming and NaFrontiers in plant science · 2022Article
- Multi-omics intervention inFrontiers in plant science · 2022Review
- The protective effects of polyamines on salinity stress tolerance in foxtail millet (Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Article
- Adaptation of Foxtail Millet (Frontiers in plant science · 2020Review
- Polyamine Oxidases Play Various Roles in Plant Development and Abiotic Stress Tolerance.Plants (Basel, Switzerland) · 2019Review
- Polyamines in Halophytes.Frontiers in plant science · 2019Article
- The inhibition of polyamine biosynthesis weakens the drought tolerance in white clover (Trifolium repens) associated with the alteration of extensive proteins.Protoplasma · 2018Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messagePolyamines can regulate the expression of antioxidant enzymes and impart plants tolerance to abiotic stresses. A comparative analysis of polyamines, their biosynthetic enzymes at kinetic and at transcriptional level, and their role in regulating the induction of antioxidant defense enzymes under salt stress condition in two foxtail millet (Setaria italica L.) cultivars, namely Prasad, a salt-tolerant, and Lepakshi, a salt-sensitive cultivar was conducted. Salt stress resulted in elevation of free polyamines due to increase in the activity of spermidine synthase and S-adenosyl methionine decarboxylase enzymes in cultivar Prasad compared to cultivar Lepakshi under different levels of NaCl stress. These enzyme activities were further confirmed at the transcript level via qRT-PCR analysis. The cultivar Prasad showed a greater decrease in diamine oxidase and polyamine oxidase activity, which results in the accumulation of polyamine pools over cultivar Lepakshi. Generation of free radicals, such as O 2 (·-) and H2O2, was also analyzed quantitatively. A significant increase in O 2 (·-) and H2O2 in the cultivar Lepakshi compared with cultivar Prasad was recorded in overall pool sizes. Further, histochemical staining showed lesser accumulation of O 2 (·-) and of H2O2 in the leaves of cultivar Prasad than cultivar Lepakshi. Our results also suggest the ability of polyamine oxidation in regulating the induction of antioxidative defense enzymes, which involve in the elimination of toxic levels of O 2 (·-) and H2O2, such as Mn-superoxide dismutase, catalase and ascorbate peroxidase. The contribution of polyamines in modulating antioxidative defense mechanism in NaCl stress tolerance is discussed.
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