20-hydroxyecdysone protects wheat seedlings from salt stress
Open accessAbstract
20-Hydroxyecdysone (20E), a molting hormone of insects, is the most abundant phytoecdysteroid (PE) produced by plants, where it represents a protective molecule against insect herbivores. The objective of the investigation is to determine the effect of 20E on the growth, physiological and biochemical characteristics and the transcript levels of antioxidant enzymes of wheat seedlings under salt stress. Our results showed that exogenous 20E was able to significantly alleviate salt-induced oxidative damage in wheat seedlings. It most likely acts by decreasing the concentration of malondialdehyde (MDA) and the rate of superoxide radical (O2 •−) generation, and by increasing the activities of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), concentrations of ascorbic acid (AsA) and glutathione (GSH), and the gene expression levels of SOD, POD, CAT. It was suggested that foliar spraying with 20E could efficiently protect wheat seedlings against salt-induced oxidative stress. The results also show that 20E had a positive physiological effect on the growth of salt-stressed seedlings. This is the first report dealing with the effect of 20E pretreatment in the enhancing of wheat seedling tolerance under salt stress.
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PEs alleviate salt stress in wheat seedlings by increasing the activity of antioxidants such as catalase, peroxidase, and SOD and the contents of ascorbic acid and glutathione, which reduce ROS and MDA content and promote wheat tolerance to salinity.
“PEs alleviate salt stress in wheat seedlings by increasing the activity of antioxidants such as catalase, peroxidase, and SOD and the contents of ascorbic acid and glutathione, which reduce ROS and MDA content and promote wheat tolerance to salinity [200].”
From Phytoecdysteroids: Distribution, Structural Diversity, Biosynthesis, Activity, and Crosstalk with Phytohormones (2022) · cites this paper as [200]
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- Authors
- Li, J.-T., Han, X.-P., Tang, L., Wang, C., Zhang, W.-Y., & Ma, J.-H.
- Affiliations
- Henan Normal University (CN)
- Venue
- Archives of Biological Sciences
- Publisher
- National Library of Serbia
- Published
- 2018
- Volume
- 70
- Issue
- 2
- Pages
- 379-386
- ISSN
- 0354-4664 (ISSN-L)
- 1821-4339
- OpenAlex
- W2780035597
- Cited by
- 8
- References
- 20
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 1 · 2022: 2 · 2021: 1 · 2020: 1 · 2019: 1
- FWCI
- 0.54
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by
- Locations
- Archives of Biological Sciences (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Funders
- National Natural Science Foundation of China (81274076)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Growth Enhancement Techniques
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Seed Germination and Physiology
- Keywords
- 20-hydroxyecdysone, phytoecdysteroids, wheat seedlings, salt stress, oxidative stress, antioxidant enzymes, superoxide dismutase, peroxidase, catalase, malondialdehyde, vitamin C, glutathione, foliar application, salt tolerance
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