ArticlePlant signaling & behavior2020
Effects of exogenous spermidine on antioxidants and glyoxalase system of lettuce seedlings under high temperature.
Article in Plant signaling & behavior, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 34 citations in OpenAlex.
- Exogenous plant growth regulators alleviate natural high temperature stress after anthesis in wheat (Frontiers in plant science · 2026Article
- Moderate warming promotes growth and flavonoid biosynthesis in the altitudinal medicinal plantFrontiers in plant science · 2026Article
- Integrated transcriptomics and proteomics revealed that exogenous spermidine modulated signal transduction and carbohydrate metabolic pathways to enhance heat tolerance of lettuce.BMC plant biology · 2025Article
- Mitigation of adverse effect of cadmium toxicity in lettuce (Lactuca sativa L.) through foliar application of chitosan and spermidine.Scientific reports · 2025Article
- Spermidine-induced improvements in water relations and antioxidant defense enhance drought tolerance in yarrow (Heliyon · 2025Article
- Article
- Physiological and metabolomic analyses reveal the mechanism by which exogenous spermine improves drought resistance in alfalfa leaves (Frontiers in plant science · 2024Article
- Phytochemical profiling and allelopathic effect of garlic essential oil on barnyard grass (Echinochloa crusgalli L.).PloS one · 2023Article
- Nitrogen application alleviates salt stress by enhancing osmotic balance, ROS scavenging, and photosynthesis of rapeseed seedlings (Plant signaling & behavior · 2022Article
- Exogenous spermidine enhances the photosynthetic and antioxidant capacity of citrus seedlings under high temperature.Plant signaling & behavior · 2022Article
- Transcriptome and Metabolome Analysis Revealed That Exogenous Spermidine-Modulated Flavone Enhances the Heat Tolerance of Lettuce.Antioxidants (Basel, Switzerland) · 2022Article
- Overexpression ofFrontiers in plant science · 2022Article
- What signals the glyoxalase pathway in plants?Physiology and molecular biology of plants : an international journal of functional plant biology · 2021Review
- Spermidine Induces Expression of Stress Associated Proteins (SAPs) Genes and Protects Rice Seed from Heat Stress-Induced Damage during Grain-Filling.Antioxidants (Basel, Switzerland) · 2021Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this research, the lettuce high-temperature-sensitive variety Beisan San 3 was used as a test material. The effects of exogenous spermidine (Spd) on membrane lipid peroxidation, the antioxidant system, the ascorbic acid-glutathione (AsA-GSH) system and the glyoxalase (Glo) system in lettuce seedlings under high-temperature stress were studied by spraying either 1 mM spermidine or ionized water as a control. The results showed that, under high-temperature stress, the growth of lettuce seedlings was weak, and the dry weight (DW) and fresh weight (FW) were reduced by 68.9% and 82%, respectively, compared with those of the normal-temperature controls. In addition, the degree of membrane lipid peroxidation increased, and the reactive oxygen species (ROS) level increased, both of which led to a significant increase in malondialdehyde (MDA) content and lipoxygenase (LOX) activity. Under high-temperature stress, the activity of superoxide dismutase (SOD) decreased, the activities of peroxidase (POD) and catalase (CAT) increased first but then decreased, and the activity of ascorbic acid peroxidase (APX) decreased first but then increased. Glutathione reductase (GR) activity, ascorbic acid (AsA) and glutathione (GSH) content showed an upward trend under high-temperature stress. The activities of glyoxalase (GloI and GloII) in the lettuce seedling leaves increased significantly under high-temperature stress. In contrast, the application of exogenous Spd alleviated the oxidative damage to the lettuce seedlings, which showed a decrease in MDA content and LOX activity and an increase in SOD, POD, CAT, APX, GR, GloI, and GloII activities. In addition, the antioxidant AsA and GSH contents also increased to varying degrees. It can be seen from the results that high temperature stress leads to an increase in the level of ROS and cause peroxidation in lettuce seedlings, and exogenous Spd can enhance the ability of lettuce seedlings to withstand high temperature by enhancing the antioxidant system, glyoxalase system and AsA-GSH cycle system.
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