ArticleFrontiers in plant science2015
Endogenous Cytokinin Overproduction Modulates ROS Homeostasis and Decreases Salt Stress Resistance in Arabidopsis Thaliana.
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 110 citations in OpenAlex.
- Exogenous Hormone Treatments Reveal Species-Specific Regulation of Individual Components of Root Architecture and Salt Ion Accumulation in Cultivated and Wild Tomatoes.Plant direct · 2026Article
- Fulvic Acid Suppresses Excessive Cytokinin Biosynthesis to Reduce ROS Content and thus Decrease NaRice (New York, N.Y.) · 2026Article
- Phosphoproteomic Analysis Reveals Impairment of Rice Germination by Chloramphenicol.Plants (Basel, Switzerland) · 2025Article
- Cytokinin: From autoclaved DNA to two-component signaling.The Plant cell · 2024Review
- Types of Membrane Transporters and the Mechanisms of Interaction between Them and Reactive Oxygen Species in Plants.Antioxidants (Basel, Switzerland) · 2024Review
- Strategies for combating plant salinity stress: the potential of plant growth-promoting microorganisms.Frontiers in plant science · 2024Review
- Multi-Omics Revealed Peanut Root Metabolism Regulated by Exogenous Calcium under Salt Stress.Plants (Basel, Switzerland) · 2023Article
- A Salt-Tolerant Strain ofJournal of fungi (Basel, Switzerland) · 2023Article
- MaizePeerJ · 2023Article
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- Effects of Exogenous (KGenes · 2022Article
- Combined Proteomic and Metabolomic Analysis of the Molecular Mechanism Underlying the Response to Salt Stress during Seed Germination in Barley.International journal of molecular sciences · 2022Article
- Comparative Transcriptomics Reveals the Molecular Mechanism of the Parental Lines of Maize Hybrid An'nong876 in Response to Salt Stress.International journal of molecular sciences · 2022Article
- Soaking Maize Seeds in Zeatin-Type Cytokinin Biostimulators Improves Salt Tolerance by Enhancing the Antioxidant System and Photosynthetic Efficiency.Plants (Basel, Switzerland) · 2022Article
- Recent Progress on the Salt Tolerance Mechanisms and Application of Tamarisk.International journal of molecular sciences · 2022Review
- Cytokinin and abiotic stress tolerance -What has been accomplished and the way forward?Frontiers in genetics · 2022Review
- Plant hormones and neurotransmitter interactions mediate antioxidant defenses under induced oxidative stress in plants.Frontiers in plant science · 2022Review
- Defective cytokinin signaling reprograms lipid and flavonoid gene-to-metabolite networks to mitigate high salinity inProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Changes in Reactive Oxygen Species, Antioxidants and Carbohydrate Metabolism in Relation to Dormancy Transition and Bud Break in Apple (Antioxidants (Basel, Switzerland) · 2021Article
- Regulation of Reactive Oxygen Species and Antioxidant Defense in Plants under Salinity.International journal of molecular sciences · 2021Review
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cytokinins in plants are crucial for numerous biological processes, including seed germination, cell division and differentiation, floral initiation and adaptation to abiotic stresses. The salt stress can promote reactive oxygen species (ROS) production in plants which are highly toxic and ultimately results in oxidative stress. However, the correlation between endogenous cytokinin production and ROS homeostasis in responding to salt stress is poorly understood. In this study, we analyzed the correlation of overexpressing the cytokinin biosynthetic gene AtIPT8 (adenosine phosphate-isopentenyl transferase 8) and the response of salt stress in Arabidopsis. Overproduction of cytokinins, which was resulted by the inducible overexpression of AtIPT8, significantly inhibited the primary root growth and true leaf emergence, especially under the conditions of exogenous salt, glucose and mannitol treatments. Upon cytokinin overproduction, the salt stress resistance was declined, and resulted in less survival rates and chlorophyll content. Interestingly, ROS production was obviously increased with the salt treatment, accompanied by endogenously overproduced cytokinins. The activities of catalase (CAT) and superoxide dismutase (SOD), which are responsible for scavenging ROS, were also affected. Transcription profiling revealed that the differential expressions of ROS-producing and scavenging related genes, the photosynthesis-related genes and stress responsive genes were existed in transgenic plants of overproducing cytokinins. Our results suggested that broken in the homeostasis of cytokinins in plant cells could modulate the salt stress responses through a ROS-mediated regulation in Arabidopsis.
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