Mechanisms of plant saline-alkaline tolerance

Journal of Plant Physiology, Journal Year: 2023, Volume and Issue: 281, P. 153916 - 153916

Published: Jan. 10, 2023

Language: Английский

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Effects of Sodium Salinity on Rice (Oryza sativa L.) Cultivation: A Review

Sustainability, Journal Year: 2023, Volume and Issue: 15(3), P. 1804 - 1804

Published: Jan. 17, 2023

Sodium salinity negatively affects and reduces yields in international agricultural systems. This stress decreases crop growth development, causing tissue death, flowering abortion, senescence of the fertilized embryo, enzymatic activity, protein synthesis, among other processes. Rice is a cereal great demand for its nutritional properties productivity affected by presence salts surfaces. The objective this article to review main effects sodium on morpho-physiological characteristics rice cultivation. For design strategy information search, methodology was followed compile summarize existing studies crop. results search showed that cause poor root growth, chlorosis, leaf curling scorching cereal; it also induces stomatal closure, inhibits photosynthesis, alters cell metabolism, causes oxidative crop, influences spikelet sterility grain yield, effects.

Language: Английский

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Isolation and Functional Analysis of VvWRKY28, a Vitis vinifera WRKY Transcription Factor Gene, with Functions in Tolerance to Cold and Salt Stress in Transgenic Arabidopsis thaliana

International Journal of Molecular Sciences, Journal Year: 2022, Volume and Issue: 23(21), P. 13418 - 13418

Published: Nov. 2, 2022

The grape (Vitis vinifera L.) not only has a long history of cultivation, but also rich nutritional value and high economic value. However, grapes often face many threats in the growth process. For example, low temperature salt stress restrict status, yield, geographical distribution grapes. WRKY, as one largest transcription factor (TF) families plants, participates response plants to stress. VvWRKY28, new zinc finger type transcriptional regulator gene, was isolated from Beichun (V. × V.amurensis) this study. From subcellular localization results, it can be concluded that VvWRKY28 localized nucleus. expression enriched leaves (young mature leaves), cold conditions induce VvWRKY28. After being transferred into Arabidopsis, greatly improved tolerance Arabidopsis changed physiological biochemical indicators transgenic cope with stimulation. content malondialdehyde (MDA) decreased, for chlorophyll proline, their increased, activities superoxide dismutase (SOD), peroxidase (POD), catalase (CAT) were improved. In addition, under stress, binding cis-acting elements promotes downstream genes related (RAB18, COR15A, ERD10, PIF4, COR47, ICS1). Moreover, plays an active role regulating (NCED3, SnRK2.4, CAT2, SOD1, SOS2, P5CS1) Therefore, these results provide evidence may play process plant tolerance.

Language: Английский

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Mechanism of Transcription Factor ChbZIP1 Enhanced Alkaline Stress Tolerance in Chlamydomonas reinhardtii

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(2), P. 769 - 769

Published: Jan. 17, 2025

Alkaline environments such as alkaline lands, lakes, and industrial wastewater are not conducive to the growth of plants microorganisms due high pH salinity. ChbZIP1 is a bZIP family transcription factor isolated from an alkaliphilic microalgae (Chlorella sp. BLD). Previous studies have demonstrated its ability enhance tolerance in Arabidopsis thaliana. However, potential confer similar other remains unclear, specific mechanisms fully understood. The analysis cellular physiological biochemical indicators revealed that transformants exhibited enhanced photosynthetic activity, increased lipid accumulation, reduced fatty acid unsaturation. Genes associated with reactive oxygen species (ROS) detoxification were found be upregulated, corresponding increase antioxidant enzyme activity was detected. In addition, relative abundance intracellular ROS malondialdehyde (MDA) significantly lower transformants. summary, our research indicates enhances Chlamydomonas reinhardtii through several mechanisms, including repair damaged photosynthesis, improved unsaturation, activity. This study aims contribute more comprehensive understanding underlying alkalinity offers new insights theoretical foundations for utilization environments.

Language: Английский

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Comparative physiological and co-expression network analysis reveals potential hub genes and adaptive mechanisms responsive to NaCl stress in peanut (Arachis hypogaea L.)

BMC Plant Biology, Journal Year: 2025, Volume and Issue: 25(1)

Published: March 6, 2025

Salt stress has become a major threat to peanut yield and quality, salt is particularly detrimental seedling growth. Combined analysis of the physiology transcriptomics salt-tolerant variety (NH5) salt-sensitive (FH23) under 200 mM NaCl was conducted identify key factors influencing differences in tolerance investigate potential regulatory mechanisms hub genes associated with peanuts. Malondialdehyde (MDA) content electrolyte leakage rate were significantly increased prolonged stress, increase FH23 being even more pronounced. NH5 maintained intracellular osmotic homeostasis by accumulating free proline soluble protein content. In addition, exhibited higher antioxidant enzyme activity. The net photosynthetic (Pn) decreased 64.24% 94.49% after 96 h stress. intercellular CO2 concentration (Ci) 7.82%, while that 42.74%. This suggests non-stomatal limiting primary cause decline photosynthesis observed FH23. Transcriptome revealed presence 12,612 differentially expressed (DEGs) response exhibiting greater number than NH5. upregulated downregulated at 24 whereas exceeded 48 h. Subsequently, Weighted Gene Co-expression Network Analysis (WGCNA) performed conjunction physiological data. Twenty-four identified, which encoded delta-1-pyrroline-5-carboxylate synthase, aldehyde dehydrogenase, SNF1-related kinase, magnesium transporter, temperature-induced lipocalin-1, ERF transcription factors. A network for peanuts been constructed. findings distinct identified candidate further investigation.

Language: Английский

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Overexpression of Abscisic Acid Biosynthesis Gene OsNCED3 Enhances Survival Rate and Tolerance to Alkaline Stress in Rice Seedlings

Plants, Journal Year: 2024, Volume and Issue: 13(12), P. 1713 - 1713

Published: June 20, 2024

Alkaline stress with high pH levels could significantly influence plant growth and survival. The enzyme 9-cis-epoxycarotenoid dioxygenase (NCED) serves as a critical bottleneck in the biosynthesis of abscisic acid (ABA), making it essential for regulating tolerance. Here, we show that OsNCED3-overexpressing rice lines have increased ABA content by up to 50.90% improved transcription numerous genes involved responses enhance seedling survival rates. Overexpression OsNCED3 dry weight contents total chlorophyll, proline, soluble sugar, starch, activities antioxidant enzymes seedlings, while reducing O2·−, H2O2, malondialdehyde under hydroponic alkaline conditions simulated 10, 15, 20 mmol L−1 Na2CO3. Additionally, exhibited notable increase expression OsNCED3; response-related OsSalT OsWsi18; ion homeostasis-related OsAKT1, OsHKT1;5, OsSOS1, OsNHX5; ROS scavenging-related OsCu/Zn-SOD, OsFe-SOD, OsPOX1, OsCATA, OsCATB, OsAPX1 leaves. results these findings suggest overexpression upregulates endogenous response genes, which represents an innovative molecular approach enhancing tolerance seedlings.

Language: Английский

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Priming for Saline-Alkaline Tolerance in Rice: Current Knowledge and Future Challenges

Rice Science, Journal Year: 2023, Volume and Issue: 30(5), P. 417 - 425

Published: Aug. 23, 2023

Soil salinization and/or alkalization is a major constraint to crop production worldwide. Approximately 60% of the cultivated land affected by salt, over half which alkalized. Alkaline soils are characterized high alkalinity and typically salinity, creates complex saline-alkaline (SA) stress that affects plant growth. Rice cultivation has been accepted as an important strategy for effective utilization SA if water available irrigation. Nevertheless, salt-sensitive plant, rice plants suffer severe SA-induced damage, results in poor growth grain yield. Various approaches have employed improve productivity land. Among them, priming technique emerged powerful method enhancing tolerance plants. In this review, we summarized how damages plants, then presented treatment can mitigate such damage.

Language: Английский

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Overexpression of the aldehyde dehydrogenase AhALDH3H1 from Arachis hypogaea in soybean increases saline-alkali stress tolerance

Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 14

Published: March 28, 2023

Soybean production is severely hampered by saline-alkaline stress caused saline-alkalization. Plants have aldehydrogenase (ALDH) family members that convert reactive aldehydes to carboxylic acids remove active aldehyde molecules. However, little known about the increased saline-alkali tolerance ALDH function in soybean. Here, we introduced a previously identified coding gene AhALDH3H1 from Arachis hypogaea into soybean genome investigate its critical role response stress. Transgenic with dehydrogenase activity showed significant It reduced malondialdehyde (MDA) content compared receptor, suggesting over-expression of accelerated increasing activity, which responsible for scavenging toxic MDA. To further analyze inner mechanisms allow transgenic plants tolerate stress, sequenced transcriptome and metabolome P3 (wild type, WT) lines were separately treated water solution. When subjected integrated analysis suggested several genes related cell wall structure crucial preserving extensibility plasticity largely restoring homeostasis within cells WT. Metabolites, including both necessary ingredients genesis harmful produced during response, could be transported efficiently help ABC transporter, reducing negative effects These findings suggest introducing increases may through maintenance metabolites transport.

Language: Английский

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OsLPR5 Encoding Ferroxidase Positively Regulates the Tolerance to Salt Stress in Rice

International Journal of Molecular Sciences, Journal Year: 2023, Volume and Issue: 24(9), P. 8115 - 8115

Published: April 30, 2023

Salinity is a major abiotic stress that harms rice growth and productivity. Low phosphate roots (LPRs) play central role in Pi deficiency-mediated inhibition of primary root have ferroxidase activity. However, the function LPRs salt response tolerance plants remains largely unknown. Here, we reported OsLPR5 was induced by NaCl positively regulates to rice. Under stress, overexpression led increased activity, more green leaves, higher levels chlorophyll lower MDA contents compared with WT. In addition, could promote accumulation cell osmotic adjustment substances ROS-scavenging enzyme activities. Conversely, mutant lpr5 had activity suffered severe damage under stress. Moreover, knock out caused excessive Na+ Na+/K+ ratios. Taken together, our results exemplify new molecular link between

Language: Английский

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Application of Silica Nanoparticles Improved the Growth, Yield, and Grain Quality of Two Salt-Tolerant Rice Varieties under Saline Irrigation

Plants, Journal Year: 2024, Volume and Issue: 13(17), P. 2452 - 2452

Published: Sept. 2, 2024

Salt stress significantly reduces rice yield and quality is a global challenge, especially in arid semi-arid regions with limited freshwater resources. The present study was therefore conducted to examine the potential of silica nanoparticles (SiO

Language: Английский

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