ArticleFrontiers in plant science2021
Proteomic Responses to Alkali Stress in Oats and the Alleviatory Effects of Exogenous Spermine Application.
Article in Frontiers in plant science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 15 citations in OpenAlex.
- Investigating the impact of carbamazepine on tomato plant metabolism using genome-scale metabolic modelling.Scientific reports · 2026Article
- Mechanistic Insights into Vegetable Color Stability: Discoloration Pathways and Emerging Protective Strategies.Foods (Basel, Switzerland) · 2025Review
- Responses of growth and photosynthesis to alkaline stress in three willow species.Scientific reports · 2024Article
- Integrative transcriptome and metabolome analysis reveals the mechanism of fulvic acid alleviating drought stress in oat.Frontiers in plant science · 2024Article
- Effect of the Interaction between Elevated Carbon Dioxide and Iron Limitation on Proteomic Profiling of Soybean.International journal of molecular sciences · 2022Article
- Metabolic and Physiological Changes in the Roots of Two Oat Cultivars in Response to Complex Saline-Alkali Stress.Frontiers in plant science · 2022Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Alkali stress limits plant growth and yield more strongly than salt stress and can lead to the appearance of yellow leaves; however, the reasons remain unclear. In this study, we found that (1) the down-regulation of coproporphyrinogen III oxidase, protoporphyrinogen oxidase, and Pheophorbide a oxygenase in oats under alkali stress contributes to the appearance of yellow leaves (as assessed by proteome and western blot analyses). (2) Some oat proteins that are involved in the antioxidant system, root growth, and jasmonic acid (JA) and indole-3-acetic acid (IAA) synthesis are up-regulated in response to alkalinity and help increase alkali tolerance. (3) We added exogenous spermine to oat plants to improve their alkali tolerance, which resulted in higher chlorophyll contents and plant dry weights than in plants subjected to alkaline stress alone. This was due to up-regulation of chitinase and proteins related to chloroplast structure, root growth, and the antioxidant system. Spermine addition increased sucrose utilization efficiency, and promoted carbohydrate export from leaves to roots to increase energy storage in roots. Spermine addition also increased the IAA and JA contents required for root growth.
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