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Basit A, Lim KB. Systematic approach of polyploidy as an evolutionary genetic and genomic phenomenon in horticultural crops. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 348:112236. [PMID: 39186951 DOI: 10.1016/j.plantsci.2024.112236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 08/15/2024] [Accepted: 08/18/2024] [Indexed: 08/28/2024]
Abstract
Polyploidy is thought to be an evolutionary and systematic mechanism for gene flow and phenotypic advancement in flowering plants. It is a natural phenomenon that promotes diversity by creating new permutations enhancing the prime potentials as compared to progenitors. Two different pathways have been recognized in studying polyploidy in nature; mitotic or somatic chromosome doubling and cytogenetics variation. Secondly, the vital influence of being polyploid is its heritable property (unreduced reproductive cells) formed during first and second-division restitution (FDR & SDR). Different approaches either chemical (Colchicine, Oryzalin, Caffeine, Trifuralin, or phosphoric amides) or gaseous i.e. Nitrous oxide have been deliberated as strong polyploidy causing agents. A wide range of cytogenetic practices like chromosomes study, ploidy, genome analysis, and plant morphology and anatomy have been studied in different plant species. Flow cytometry for ploidy and chromosome analysis through fluorescence and genomic in situ hybridization (FISH & GISH) are the basic methods to evaluate heredity substances sampled from leaves and roots. Many horticultural crops have been developed successfully and released commercially for consumption. Moreover, some deep detailed studies are needed to check the strong relationship between unique morphological features and genetic makeup concerning genes and hormonal expression in a strong approach.
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Affiliation(s)
- Abdul Basit
- Department of Horticultural Science, Kyungpook National University, Daegu 41566, South Korea.
| | - Ki-Byung Lim
- Department of Horticultural Science, Kyungpook National University, Daegu 41566, South Korea; Institute of Agricultural Science and Technology, Kyungpook National University, Daegu, South Korea.
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2
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Gao Y, Zhao L, Wang B, Song Z, Jiao F, Wu X, Feng Z, Chen X, Gao L, Li Y. A tonoplast-localized TPK-type K + transporter (TPKa) regulates potassium accumulation in tobacco. Gene 2024; 926:148576. [PMID: 38763364 DOI: 10.1016/j.gene.2024.148576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 05/08/2024] [Accepted: 05/15/2024] [Indexed: 05/21/2024]
Abstract
Potassium ion (K+) is one of the most essential nutrients for the growth and development of tobacco (Nicotiana tabacum L.), however, the molecular regulation of K+ concentration in tobacco remains unclear. In this study, a two-pore K (TPK) channel gene NtTPKa was cloned from tobacco, and NtTPKa protein contains the unique K+ selection motif GYGD and its transmembrane region primarily locates in the tonoplast membrane. The expression of NtTPKa gene was significantly increased under low-potassium stress conditions. The concentrations of K+ in tobacco were significantly increased in the NtTPKa RNA interference lines and CRISPR/Cas9 knockout mutants. In addition, the transport of K+ by NtTPKa was validated using patch clamp technique, and the results showed that NtTPKa channel protein exclusively transported K+ in a concentration-dependent manner. Together, our results strongly suggested that NtTPKa is a key gene in maintaining K+ homeostasis in tobacco, and it could provide a new genetic resource for increasing the concentration of K+ in tobacco.
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Affiliation(s)
- Yulong Gao
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Lu Zhao
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Bingwu Wang
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Zhongbang Song
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Fangchan Jiao
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Xingfu Wu
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Zhiyu Feng
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Xuejun Chen
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China
| | - Lifeng Gao
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.
| | - Yongping Li
- Yunnan Academy of Tobacco Agricultural Sciences/National Tobacco Genetic Engineering Research Center, Kunming, China.
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Li J, Xu L, Xuan P, Tian Z, Liu R. Thiourea and arginine synergistically preserve redox homeostasis and ionic balance for alleviating salinity stress in wheat. Sci Rep 2024; 14:21375. [PMID: 39271951 PMCID: PMC11399406 DOI: 10.1038/s41598-024-72614-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 09/09/2024] [Indexed: 09/15/2024] Open
Abstract
Plant growth regulators are cost-effective and efficient methods for enhancing plant defenses under stress conditions. This study investigates the ability of two plant growth-regulating substances, thiourea (TU) and arginine (Arg), to mitigate salinity stress in wheat. The results show that both TU and Arg, particularly when used together, modify plant growth under salinity stress. Their application significantly increases the activities of antioxidant enzymes while decreasing the levels of reactive oxygen species (ROS), malondialdehyde (MDA), and relative electrolyte leakage (REL) in wheat seedlings. Additionally, these treatments significantly reduce the concentrations of Na+ and Ca2+ and the Na+/K+ ratio, while significantly increasing K+ levels, thereby preserving ionic osmotic balance. Importantly, TU and Arg markedly enhance the chlorophyll content, net photosynthetic rate, and gas exchange rate in wheat seedlings under salinity stress. The use of TU and Arg, either individually or in combination, results in a 9.03-47.45% increase in dry matter accumulation, with the maximum increase observed when both are used together. Overall, this study highlights that maintaining redox homeostasis and ionic balance are crucial for enhancing plant tolerance to salinity stress. Furthermore, TU and Arg are recommended as potential plant growth regulators to boost wheat productivity under such conditions, especially when applied together.
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Affiliation(s)
- Jingkun Li
- Henan Engineering Research Center of Green Pesticide Creation and Intelligent Pesticide Residue Sensor Detection, Henan Institute of Science and Technology, Xinxiang, 453003, China
- School of Resources and Environment, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Li Xu
- Henan Engineering Research Center of Green Pesticide Creation and Intelligent Pesticide Residue Sensor Detection, Henan Institute of Science and Technology, Xinxiang, 453003, China
- School of Resources and Environment, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Peng Xuan
- Henan General Chemical Research Institute, Zhengzhou, 450046, China
| | - Zhixiang Tian
- Henan Engineering Research Center of Green Pesticide Creation and Intelligent Pesticide Residue Sensor Detection, Henan Institute of Science and Technology, Xinxiang, 453003, China
- School of Resources and Environment, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Runqiang Liu
- Henan Engineering Research Center of Green Pesticide Creation and Intelligent Pesticide Residue Sensor Detection, Henan Institute of Science and Technology, Xinxiang, 453003, China.
- School of Resources and Environment, Henan Institute of Science and Technology, Xinxiang, 453003, China.
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4
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Zhang M, Wu M, Xu T, Cao J, Zhang Z, Zhang T, Xie Q, Wang J, Sun S, Zhang Q, Ma R, Xie L. A putative Na +/H + antiporter BpSOS1 contributes to salt tolerance in birch. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 346:112181. [PMID: 38969141 DOI: 10.1016/j.plantsci.2024.112181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 04/24/2024] [Accepted: 07/02/2024] [Indexed: 07/07/2024]
Abstract
White birch (Betula platyphylla Suk.) is an important pioneer tree which plays a critical role in maintaining ecosystem stability and forest regeneration. The growth of birch is dramatically inhibited by salt stress, especially the root inhibition. Salt Overly Sensitive 1 (SOS1) is the only extensively characterized Na+ efflux transporter in multiple plant species. The salt-hypersensitive mutant, sos1, display significant inhibition of root growth by NaCl. However, the role of SOS1 in birch responses to salt stress remains unclear. Here, we characterized a putative Na+/H+ antiporter BpSOS1 in birch and generated the loss-of-function mutants of the birch BpSOS1 by CRISPR/Cas9 approach. The bpsos1 mutant exhibit exceptional increased salt sensitivity which links to excessive Na+ accumulation in root, stem and old leaves. We observed a dramatic reduction of K+ contents in leaves of the bpsos1 mutant plants under salt stress. Furthermore, the Na+/K+ ratio of roots and leaves is significant higher in the bpsos1 mutants than the wild-type plants under salt stress. The ability of Na+ efflux in the root meristem zone is found to be impaired which might result the imbalance of Na+ and K+ in the bpsos1 mutants. Our findings indicate that the Na+/H+ exchanger BpSOS1 plays a critical role in birch salt tolerance by maintaining Na+ homeostasis and provide evidence for molecular breeding to improve salt tolerance in birch and other trees.
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Affiliation(s)
- Minghui Zhang
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Mingke Wu
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Tao Xu
- The Editorial Board of Journal of Forestry Research, Northeast Forestry University, Harbin, China
| | - Junfeng Cao
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Zihui Zhang
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Tianxu Zhang
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
| | - Qingyi Xie
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Jiang Wang
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Shanwen Sun
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Qingzhu Zhang
- School of Ecology, Northeast Forestry University, Harbin, 150040, China; The Center for Basic Forestry Research, College of Forestry, Northeast Forestry University, Harbin, China; State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China; Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Ecology, Northeast Forestry University, Harbin, 150040, China
| | - Renyi Ma
- Yunnan Key Laboratory of Biodiversity of Gaoligong Mountain, Yunnan Academy of Forestry and Grassland, Kunming, China.
| | - Linan Xie
- School of Ecology, Northeast Forestry University, Harbin, 150040, China; The Center for Basic Forestry Research, College of Forestry, Northeast Forestry University, Harbin, China; Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Ecology, Northeast Forestry University, Harbin, 150040, China.
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Song J, Yan J, Sun B, Chen B, Zhu X, Wei H, Bao Z, Ma F, Zhang W, Yang H. Abscisic acid regulates Cl - efflux via the ABI5-ZAT10-SLAH3 module in chloride-stressed Malus hupehensis. HORTICULTURE RESEARCH 2024; 11:uhae200. [PMID: 39257543 PMCID: PMC11387005 DOI: 10.1093/hr/uhae200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 07/11/2024] [Indexed: 09/12/2024]
Abstract
The overload of Cl- typically causes cell damage and death in plants, especially in Cl--sensitive crops. Abscisic acid (ABA) is a stress-induced phytohormone that can alleviate chloride stress by reducing Cl- accumulation; however, the mechanism is not clear. Here, we found that the application of ABA elevated Cl- efflux from roots and reduced membrane damage and cell death in chloride-stressed Malus hupehensis. MhSLAH3, a homolog of the slow anion channel from M. hupehensis, encoded a channel controlling Cl- efflux and was induced by both chloride and ABA. MhSLAH3 overexpression accelerated Cl- efflux, which enhanced the tolerance of M. hupehensis to chloride stress, and retarded chloride-induced cell death. However, the suppression of MhSLAH3 partially offset the acceleration effect of ABA on Cl- efflux. MhZAT10L was then identified as a C2H2-type transcription factor upstream of MhSLAH3, repressing MhSLAH3 transcription under chloride stress. The suppression of MhZAT10L accelerated Cl- efflux by releasing suppressed MhSLAH3, but MhZAT10L overexpression counteracted the effects of ABA on Cl- efflux. MhABI5 promoted Cl- efflux mediated by MhSLAH3 due to induction by ABA and transcriptional repression of MhZAT10L, but this function of MhABI5 was reversed by MhZAT10L overexpression. The suppression of MhABI5 diminished the positive effects of ABA on Cl- efflux and retarding cell death. Thus, ABA repressed MhZAT10L transcription by activating MhABI5, further releasing MhSLAH3 to accelerate Cl- efflux. These findings provide a new evidence of ABA regulation of Cl- efflux.
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Affiliation(s)
- Jianfei Song
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
| | - Junhong Yan
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
| | - Baozhen Sun
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
| | - Bing Chen
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
| | - Xiaoyue Zhu
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
| | - Hongcai Wei
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
| | - Zhilong Bao
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Fangfang Ma
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
| | - Weiwei Zhang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
| | - Hongqiang Yang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China
- Apple Technology Innovation Center of Shandong Province, Tai'an, 271018, Shandong, China
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Liang F, Wei S, Ji L, Yan S. A potential CO 2 carrier to improve the utilization of HCO 3- by plant-soil ecosystem for carbon sink enhancement. J Adv Res 2024:S2090-1232(24)00365-5. [PMID: 39154803 DOI: 10.1016/j.jare.2024.08.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 07/19/2024] [Accepted: 08/15/2024] [Indexed: 08/20/2024] Open
Abstract
INTRODUCTION Improving the rhizospheric HCO3- utilization of plant-soil ecosystem could increase the carbon sink effect of terrestrial ecosystem. However, to avoid its physiological stress on the crop growth, the dosage of HCO3- allowed to add into the rhizosphere soil was always low (i.e., <5-20 mol/m3). OBJECTIVES To facilitate the utilization of relatively high concentrations of HCO3- by plants in the pursuit of achieving terrestrial carbon sink enhancement. METHODS In this study, the feasibility of directly supplementing a high concentration HCO3- carried by the biogas slurry to the plant rhizosphere was investigated using the tomato as a model plant. RESULTS The CO2-rich biogas slurry was verified as a potential CO2 carrier to increase the rhizospheric HCO3- concentration to 36 mol/m3 without causing a physiological stress. About 88.3 % of HCO3- carried by biogas slurry was successfully fixed by tomato-soil ecosystem, in which 43.8 % of HCO3- was assimilated by tomato roots for the metabolism, 0.5 ‰ of HCO3- was used by microorganisms for substances synthesis of cell structure through dark fixation, and 44.4 % of HCO3- was retained in the soil. The rest of HCO3- (∼11.7 %) might escape into the atmosphere through the reaction with H+. Correspondingly, the carbon fixation of tomato-soil ecosystem increased by 150.1 g-CO2/m2-soil during a tomato growth cycle. As for the global countries that would adopt the strategy proposed in this study to cultivate the tomato, an extra carbon sink of soil with about 1031.1 kt-C per year (i.e., an additional 0.21 tons of carbon per hectare soil) could be obtained. CONCLUSION This would be consistent with the goal of soil carbon sink enhancement launched at COP21. Furthermore, the regions with low GDP per capita may easily achieve a high reduction potential of CO2 emissions from the agricultural land after adopting the irrigation of CO2-rich biogas slurry.
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Affiliation(s)
- Feihong Liang
- Technology & Equipment Center for Carbon Neutrality in Agriculture, College of Engineering, Huazhong Agricultural University, Wuhan 430070, PR China; College of Life Science, Yulin University, Yilin 719000, PR China; Division of Soil and Water Management, Department of Earth and Environmental Sciences, KU Leuven, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium
| | - Shihui Wei
- Technology & Equipment Center for Carbon Neutrality in Agriculture, College of Engineering, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Long Ji
- Technology & Equipment Center for Carbon Neutrality in Agriculture, College of Engineering, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Shuiping Yan
- Technology & Equipment Center for Carbon Neutrality in Agriculture, College of Engineering, Huazhong Agricultural University, Wuhan 430070, PR China.
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Mokhtari N, Majidi MM, Mirlohi A. Physiological and antioxidant responses of synthetic hexaploid wheat germplasm under drought. BMC PLANT BIOLOGY 2024; 24:747. [PMID: 39098916 PMCID: PMC11299349 DOI: 10.1186/s12870-024-05445-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 07/22/2024] [Indexed: 08/06/2024]
Abstract
BACKGROUND As a result of the world population and climate change impact increases (especially in arid environments), there is a critical need for high-yield, drought-tolerant wheat. Synthetic hexaploid wheat derived lines (SHW-DL), were created artificially by crossing different durum wheat cultivars (AABB) with accessions of Aegilops tauschii (DD), a beneficial source of new genes for common bread wheat (Triticum aestivum L). Here, we studied the response of a panel of 91 SHW-DL for drought tolerance based on physiological, antioxidant enzyme activities, and drought tolerance indices. RESULTS A wide range of variation and high values of heritability observed for grain yield, physiological and antioxidant traits indicating that the SHW-DL panel constitutes a valuable gene source for drought tolerance improvement of wheat. Despite decreases in grain yield (YLD), leaf area index (LAI), and relative water content (RWC) an increase in the content of malondialdehyde (MDA) was observed. Moreover, drought streass increased the antioxidant enzyme activities of ascorbate peroxidase (APX), catalase (CAT) and peroxidase (POD), and also photosynthetic pigments, proline (Pro), and MDA content. With higher values of grain yield, physiological and biochemical traits such as photosynthetic pigments, and RWC, and lower content of MDA, and peroxidase (H2O2) activity, SHW-DL performed better compared to common wheat lines under water stress conditions. CONCLUSIONS Different responses to water stress within the germplasm and between synthetic and common wheat suggest that selection for adaptive and suitable genotypes is possible for drought tolerance in synthetic wheat germplasm. Genotypes 54, 98, 102, 105, 122, 124, 143, 159, 196, and 198 were identified to be directly used in breeding programs or indirectly by crossing them with other wheat germplasm collections.
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Affiliation(s)
- Niloofar Mokhtari
- Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, Isfahan, 8415683111, Iran
| | - Mohammad Mahdi Majidi
- Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, Isfahan, 8415683111, Iran.
| | - Aghafakhr Mirlohi
- Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, Isfahan, 8415683111, Iran
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Wang Z, Huang X, Li X, Yu M, Wegner LH. Long-term net H + influx in maize roots and its potential role in salt tolerance. THE NEW PHYTOLOGIST 2024; 243:1293-1298. [PMID: 38952010 DOI: 10.1111/nph.19896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 05/08/2024] [Indexed: 07/03/2024]
Affiliation(s)
- Zhenghao Wang
- International Research Centre for Environmental Membrane Biology & Department of Horticulture, Foshan University, No.18 Jiangwan-Yi-Lu, Foshan, 528041, China
| | - Xin Huang
- International Research Centre for Environmental Membrane Biology & Department of Horticulture, Foshan University, No.18 Jiangwan-Yi-Lu, Foshan, 528041, China
| | - Xuewen Li
- International Research Centre for Environmental Membrane Biology & Department of Horticulture, Foshan University, No.18 Jiangwan-Yi-Lu, Foshan, 528041, China
| | - Min Yu
- International Research Centre for Environmental Membrane Biology & Department of Horticulture, Foshan University, No.18 Jiangwan-Yi-Lu, Foshan, 528041, China
| | - Lars H Wegner
- International Research Centre for Environmental Membrane Biology & Department of Horticulture, Foshan University, No.18 Jiangwan-Yi-Lu, Foshan, 528041, China
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Stefanello R, Puntel RT, da Silva Garcia WJ, Strazzabosco Dorneles L. Mitigating salt stress by conditioning seeds with ultraviolet light (UV-C) in white oats ( Avena sativa L.). JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2024; 87:533-540. [PMID: 38660981 DOI: 10.1080/15287394.2024.2345878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Seed conditioning with ultraviolet light (UV-C) might (1) improve crop yield and quality, (2) reduce the use of agrochemicals during cultivation, and (3) increase plant survival in high salinity environments. The aim of this study was to examine the effects of UV-C conditioning of white oat seeds at two doses (0.85 and 3.42 kJ m-2) under salinity stress (100 mM NaCl). Seeds were sown on germination paper and kept in a germination chamber at 20°C. Germination and seedling growth parameters were evaluated after 5 and 10 days. Data demonstrated that excess salt reduced germination and initial growth of white oat seedlings. In all the variables analyzed, exposure of seeds to UV-C under salt stress exerted a positive effect compared to non-irradiated control. The attenuating influence of UV-C in germination was greater at 0.85 than at 3.42 kJ m-2. Thus, data indicate that conditioning white oat seeds in UV-C light produced greater tolerance to salt stress. These findings suggest that UV-C conditioning of white oat seeds may be considered as a simple and economical strategy to alleviate salt-induced stress.
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Affiliation(s)
- Raquel Stefanello
- Department of Biology, Federal University of Santa Maria, Santa Maria, Brazil
| | - Raissa Tainá Puntel
- Graduate of Agronomy, Federal University of Santa Maria, Santa Maria, Brazil
| | | | - Lucio Strazzabosco Dorneles
- Laboratory of Nanostructured Magnetic Materials, Department of Physics, Federal University of Santa Maria, Santa Maria, Brazil
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Henschel JM, Dias TJ, de Moura VS, de Oliveira Silva AM, Lopes AS, da Silva Gomes D, Araujo DJ, Silva JBM, da Cruz ON, Batista DS. Hydrogen peroxide and salt stress in radish: effects on growth, physiology, and root quality. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:1175-1184. [PMID: 39100878 PMCID: PMC11291801 DOI: 10.1007/s12298-024-01476-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 06/07/2024] [Accepted: 06/22/2024] [Indexed: 08/06/2024]
Abstract
Hydrogen peroxide (H2O2) plays a central role in responses to salt stress, a major abiotic stress that impacts crop yield worldwide. Despite the evidence that H2O2 mitigates salt stress and improves post-harvest quality on several species, its effects on radish were not investigated so far. Thus, the objective of this study was to evaluate the exogenous application of H2O2 on salt stress mitigation of radish growth, physiology, and post-harvest quality. For this, radish plants were grown in pots for 30 days, being watered with non-saline (0.31 dS m-1) or saline water (120 mM NaCl, 12.25 dS m-1). Plants were leaf-sprayed weekly with water (control - 0 µM H2O2) or H2O2 (150 or 1500 µM) solutions. The experimental design was completely randomized in a 3 × 2 factorial scheme (H2O2 treatments × salt stress conditions). The growth, physiology (gas exchanges, photochemical efficiency, relative water content, electrolyte leakage, and the contents of chlorophylls and carotenoids), and post-harvest attributes of globular roots (color, anthocyanins, vitamin C, phenolic compounds, and soluble solids) were determined. Salt stress decreased gas exchanges and increased electrolyte leakage, which resulted in stunted radish growth, and increased the contents of antioxidants, such as anthocyanins, soluble solids, and vitamin C, improving globular root quality. Conversely, H2O2 did not mitigate salt stress effects on radish growth, photosynthetic capacity, and oxidative damages. Although H2O2 increased vitamin C under non-stressed condition, it was decreased under salt stress. Thus, we conclude that H2O2 did not mitigate salt stress on radish growth and quality. Supplementary Information The online version contains supplementary material available at 10.1007/s12298-024-01476-z.
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Affiliation(s)
- Juliane Maciel Henschel
- Programa de Pós-Graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brasil
| | - Thiago Jardelino Dias
- Programa de Pós-Graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brasil
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, S/N, Bananeiras, PB 58220-000 Brasil
| | - Vitória Stefany de Moura
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, S/N, Bananeiras, PB 58220-000 Brasil
| | - Agnne Mayara de Oliveira Silva
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, S/N, Bananeiras, PB 58220-000 Brasil
| | - Adriano Salviano Lopes
- Programa de Pós-Graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brasil
| | - Daniel da Silva Gomes
- Programa de Pós-Graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brasil
| | - Damiana Justino Araujo
- Programa de Pós-Graduação em Ciências Agrárias (Agroecologia), Universidade Federal da Paraíba, Bananeiras, PB 58220-000 Brasil
| | | | - Oziel Nunes da Cruz
- Departamento de Gestão e Tecnologia Agroindustrial, Universidade Federal da Paraíba, Bananeiras, PB 58220-000 Brasil
| | - Diego Silva Batista
- Programa de Pós-Graduação em Agronomia, Universidade Federal da Paraíba, Areia, PB 58397-000 Brasil
- Departamento de Agricultura, Universidade Federal da Paraíba, Campus Universitário III, S/N, Bananeiras, PB 58220-000 Brasil
- Programa de Pós-Graduação em Ciências Agrárias (Agroecologia), Universidade Federal da Paraíba, Bananeiras, PB 58220-000 Brasil
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11
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van der Cruijsen K, Al Hassan M, van Erven G, Kollerie N, van Lent B, Dechesne A, Dolstra O, Paulo MJ, Trindade LM. Salt stress alters the cell wall components and structure in Miscanthus sinensis stems. PHYSIOLOGIA PLANTARUM 2024; 176:e14430. [PMID: 38981734 DOI: 10.1111/ppl.14430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 06/26/2024] [Indexed: 07/11/2024]
Abstract
Miscanthus is a perennial grass suitable for the production of lignocellulosic biomass on marginal lands. The effects of salt stress on Miscanthus cell wall composition and its consequences on biomass quality have nonetheless received relatively little attention. In this study, we investigated how exposure to moderate (100 mM NaCl) or severe (200 mM NaCl) saline growing conditions altered the composition of both primary and secondary cell wall components in the stems of 15 Miscanthus sinensis genotypes. The exposure to stress drastically impacted biomass yield and cell wall composition in terms of content and structural features. In general, the observed compositional changes were more pronounced under severe stress conditions and were more apparent in genotypes with a higher sensitivity towards stress. Besides a severely reduced cellulose content, salt stress led to increased pectin content, presumably in the form of highly branched rhamnogalacturonan type I. Although salt stress had a limited effect on the total lignin content, the acid-soluble lignin content was strongly increased in the most sensitive genotypes. This effect was also reflected in substantially altered lignin structures and led to a markedly reduced incorporation of syringyl subunits and p-coumaric acid moieties. Interestingly, plants that were allowed a recovery period after stress ultimately had a reduced lignin content compared to those continuously grown under control conditions. In addition, the salt stress-induced cell wall alterations contributed to an improved enzymatic saccharification efficiency.
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Affiliation(s)
| | - Mohamad Al Hassan
- Laboratory of Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Gijs van Erven
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, The Netherlands
- Laboratory of Food Chemistry, Wageningen University & Research, Wageningen, The Netherlands
| | - Nicole Kollerie
- Laboratory of Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Bas van Lent
- Laboratory of Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Annemarie Dechesne
- Laboratory of Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Oene Dolstra
- Laboratory of Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Maria-João Paulo
- Biometris, Wageningen University & Research, Wageningen, The Netherlands
| | - Luisa M Trindade
- Laboratory of Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
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12
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El-Ghamry AM, El-Sherpiny MA, Alkharpotly AEA, Ghazi DA, Helmy AA, Siddiqui MH, Pessarakli M, Hossain MA, Elghareeb EM. The synergistic effects of organic composts and microelements co-application in enhancing potato productivity in saline soils. Heliyon 2024; 10:e32694. [PMID: 38988530 PMCID: PMC11233941 DOI: 10.1016/j.heliyon.2024.e32694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 07/12/2024] Open
Abstract
Soil salinity is a major threat hindering the optimum growth, yield, and nutritional value of potato. The application of organic composts and micronutrients can effectively ameliorate the salinity-deleterious effects on potato growth and productivity. Herein, the combined effect of banana and soybean composts (BCo and SCo) application alongside foliar supplementation of boron (B), selenium (Se), cobalt (Co), and titanium (Ti) were investigated for improving growth, physiology, and agronomical attributes of potato plants grown in saline alluvial soil. Salinity stress significantly reduced biomass accumulation, chlorophyll content, NPK concentrations, yield attributes, and tuber quality, while inducing malondialdehyde and antioxidant enzymes. Co-application of either BCo or SCo with trace elements markedly alleviated salinity-adverse effects on potato growth and productivity. These promotive effects were also associated with a significant reduction in malondialdehyde content and activities of peroxidase and superoxide dismutase enzymes. The co-application of BCo and B/Se was the most effective among other treatments. Principle component analysis and heatmap also highlighted the efficacy of the co-application of organic composts and micronutrients in improving the salinity tolerance of potato plants. In essence, the co-application of BCo with B and Se can be adopted as a promising strategy for enhancing the productivity of potato crops in salt-affected soils.
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Affiliation(s)
- Ayman M. El-Ghamry
- Soil Sciences Department, Faculty of Agriculture, Mansoura University, 35516, Egypt
| | - Mohamed A. El-Sherpiny
- Soil, Water and Environment Research Institute, Agriculture Research Center, El-Gama St., Giza, 12619, Egypt
| | - Abd-Elbaset A. Alkharpotly
- Horticulture Department, Faculty of Agriculture and Natural Resources, Aswan University, 81528, Egypt
- Horticulture Department, Faculty of desert and environmental agricultural, Matrouh University, 51511, Egypt
| | - Dina A. Ghazi
- Soil Sciences Department, Faculty of Agriculture, Mansoura University, 35516, Egypt
| | - Amal A. Helmy
- Soil Sciences Department, Faculty of Agriculture, Mansoura University, 35516, Egypt
| | - Manzer H. Siddiqui
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | | | - Mohammad Anwar Hossain
- Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Eman M. Elghareeb
- Botany Department, Faculty of Science, Mansoura University, Mansoura, 35516, Egypt
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13
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Boussora F, Triki T, Bennani L, Bagues M, Ben Ali S, Ferchichi A, Ngaz K, Guasmi F. Mineral accumulation, relative water content and gas exchange are the main physiological regulating mechanisms to cope with salt stress in barley. Sci Rep 2024; 14:14931. [PMID: 38942909 PMCID: PMC11213892 DOI: 10.1038/s41598-024-65967-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 06/25/2024] [Indexed: 06/30/2024] Open
Abstract
Salinity has become a major environmental concern for agricultural lands, leading to decreased crop yields. Hence, plant biology experts aim to genetically improve barley's adaptation to salinity stress by deeply studying the effects of salt stress and the responses of barley to this stress. In this context, our study aims to explore the variation in physiological and biochemical responses of five Tunisian spring barley genotypes to salt stress during the heading phase. Two salinity treatments were induced by using 100 mM NaCl (T1) and 250 mM NaCl (T2) in the irrigation water. Significant phenotypic variations were detected among the genotypes in response to salt stress. Plants exposed to 250 mM of NaCl showed an important decline in all studied physiological parameters namely, gas exchange, ions concentration and relative water content RWC. The observed decreases in concentrations ranged from, approximately, 6.64% to 40.76% for K+, 5.91% to 43.67% for Na+, 14.12% to 52.38% for Ca2+, and 15.22% to 38.48% for Mg2+ across the different genotypes and salt stress levels. However, under salinity conditions, proline and soluble sugars increased for all genotypes with an average increase of 1.6 times in proline concentrations and 1.4 times in soluble sugars concentration. Furthermore, MDA levels rose also for all genotypes, with the biggest rise in Lemsi genotype (114.27% of increase compared to control). Ardhaoui and Rihane showed higher photosynthetic activity compared to the other genotypes across all treatments. The stepwise regression approach identified potassium content, K+/Na+ ratio, relative water content, stomatal conductance and SPAD measurement as predominant traits for thousand kernel weight (R2 = 84.06), suggesting their significant role in alleviating salt stress in barley. Overall, at heading stage, salt accumulation in irrigated soils with saline water significantly influences the growth of barley by influencing gas exchange parameters, mineral composition and water content, in a genotype-dependent manner. These results will serve on elucidating the genetic mechanisms underlying these variations to facilitate targeted improvements in barley's tolerance to salt stress.
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Affiliation(s)
- Faiza Boussora
- Drylands and Oases Cropping Laboratory LACO, Institute of Arid Lands of Medenine (IRA), Sreet El Djorf 22.5 km, 4119, Medenine, Tunisia.
| | - Tebra Triki
- Drylands and Oases Cropping Laboratory LACO, Institute of Arid Lands of Medenine (IRA), Sreet El Djorf 22.5 km, 4119, Medenine, Tunisia
| | - Leila Bennani
- Drylands and Oases Cropping Laboratory LACO, Institute of Arid Lands of Medenine (IRA), Sreet El Djorf 22.5 km, 4119, Medenine, Tunisia
| | - Mohamed Bagues
- Drylands and Oases Cropping Laboratory LACO, Institute of Arid Lands of Medenine (IRA), Sreet El Djorf 22.5 km, 4119, Medenine, Tunisia
| | - Sihem Ben Ali
- Drylands and Oases Cropping Laboratory LACO, Institute of Arid Lands of Medenine (IRA), Sreet El Djorf 22.5 km, 4119, Medenine, Tunisia
| | - Ali Ferchichi
- Department of Rural Engineering, Water, and Forests GREF, National Institute of Agronomic Research of Tunis (INAT), 43 Charles Nicolle, 1082, Tunis, Tunisia
| | - Kamel Ngaz
- Drylands and Oases Cropping Laboratory LACO, Institute of Arid Lands of Medenine (IRA), Sreet El Djorf 22.5 km, 4119, Medenine, Tunisia
| | - Ferdaous Guasmi
- Drylands and Oases Cropping Laboratory LACO, Institute of Arid Lands of Medenine (IRA), Sreet El Djorf 22.5 km, 4119, Medenine, Tunisia
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14
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Jan R, Asif S, Asaf S, Lubna, Khan Z, Kim KM. Unveiling the protective role of anthocyanin in rice: insights into drought-induced oxidative stress and metabolic regulation. FRONTIERS IN PLANT SCIENCE 2024; 15:1397817. [PMID: 38863532 PMCID: PMC11165195 DOI: 10.3389/fpls.2024.1397817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 04/24/2024] [Indexed: 06/13/2024]
Abstract
This study investigates the impact of anthocyanin treatment on rice plants under drought stress, focusing on phenotypic, molecular, and biochemical responses. Anthocyanin were treated to one month old plants one week before the droughtexposure. Drought stress was imposed by using 10% polyethylene glycol (PEG 6000). Anthocyanin-treated plants exhibited significant enhancements in various traits, including growth parameters and reproductive characteristics, under normal conditions. When subjected to drought stress, these plants displayed resilience, maintaining or improving essential morphological and physiological features compared to non-treated counterparts. Notably, anthocyanin application mitigated drought-induced oxidative stress, as evidenced by reduced levels of reactive oxygen species (ROS) and lipid membrane peroxidation. The study also elucidates the regulatory role of anthocyanins in the expression of flavonoid biosynthetic genes, leading to increased levels of key secondary metabolites. Furthermore, anthocyanin treatment influenced the levels of stress-related signaling molecules, including melatonin, proline, abscisic acid (ABA), and salicylic acid (SA), contributing to enhanced stress tolerance. The enzymatic activity of antioxidants and the expression of drought-responsive genes were modulated by anthocyanins, emphasizing their role in antioxidant defense and stress response. Additionally, anthocyanin treatment positively influenced macronutrient concentrations, particularly calcium ion (Ca+), potassium ion (K+), and sodium ion (Na+), essential for cell wall and membrane stability. The findings collectively highlight the multifaceted protective effects of anthocyanins, positioning them as potential key players in conferring resilience to drought stress in rice plants. The study provides valuable insights into the molecular and physiological mechanisms underlying anthocyanin-mediated enhancement of drought stress tolerance, suggesting promising applications in agricultural practices for sustainable crop production.
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Affiliation(s)
- Rahmatullah Jan
- Department of Applied Biosciences, Graduate School, Kyungpook National University, Daegu, Republic of Korea
- Coastal Agriculture Research Institute, Kyungpook National University, Daegu, Republic of Korea
| | - Saleem Asif
- Department of Applied Biosciences, Graduate School, Kyungpook National University, Daegu, Republic of Korea
| | - Sajjad Asaf
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Lubna
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Zakirullah Khan
- Department of Applied Biosciences, Graduate School, Kyungpook National University, Daegu, Republic of Korea
| | - Kyung-Min Kim
- Department of Applied Biosciences, Graduate School, Kyungpook National University, Daegu, Republic of Korea
- Coastal Agriculture Research Institute, Kyungpook National University, Daegu, Republic of Korea
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15
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Wang T, Li D, Tian X, Huang G, He M, Wang C, Kumbhar AN, Woldemicael AG. Mitigating salinity stress through interactions between microalgae and different forms (free-living & alginate gel-encapsulated) of bacteria isolated from estuarine environments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171909. [PMID: 38522526 DOI: 10.1016/j.scitotenv.2024.171909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/05/2024] [Accepted: 03/21/2024] [Indexed: 03/26/2024]
Abstract
Salinity stress in estuarine environments poses a significant challenge for microalgal survival and proliferation. The interaction between microalgae and bacteria shows promise in alleviating the detrimental impacts of salinity stress on microalgae. Our study investigates this interaction by co-cultivating Chlorella sorokiniana, a freshwater microalga, with a marine growth-promoting bacterium Pseudomonas gessardii, both of which were isolated from estuary. In this study, bacteria were encapsulated using sodium alginate microspheres to establish an isolated co-culture system, preventing direct exposure between microalgae and bacteria. We evaluated microalgal responses to different salinities (5 PSU, 15 PSU) and interaction modes (free-living, gel-encapsulated), focusing on growth, photosynthesis, cellular metabolism, and extracellular polymeric substances (EPS) properties. High salinity inhibited microalgal proliferation, while gel-fixed interaction boosted Chlorella growth rate by 50.7 %. Both attached and free-living bacteria restored Chlorella's NPQ to normal levels under salt stress. Microalgae in the free-living interaction group exhibited a significantly lower respiratory rate compared to the pure algae group (-17.2 %). Increased salinity led to enhanced EPS polysaccharide secretion by microalgae, particularly in interaction groups (19.7 %). Both salt stress and interaction increased the proportion of aromatic proteins in microalgae's EPS, enhancing its stability by modulating EPS glycosidic bond C-O-C and protein vibrations. This alteration caused microalgal cells to aggregate, free-living bacteria co-culture group, and fixed co-culture group increasing by 427.5 %, 567.1 %, and 704.1 %, respectively. In gel-fixed bacteria groups, reduced neutral lipids don't accumulate starch instead, carbon redirects to cellular growth, aiding salt stress mitigation. These synergistic activities between salinity and bacterial interactions are vital in mitigating salinity stress, improving the resilience and growth of microalgae in saline conditions. Our research sheds light on the mechanisms of microalgal-bacterial interactions in coping with salt stress, offering insights into the response of estuarine microorganisms to global environmental changes and their ecological stability.
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Affiliation(s)
- Tong Wang
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
| | - Dan Li
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China; School of Civil Engineering, Yantai University, Yantai 264000, China
| | - Xin Tian
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
| | - Guolin Huang
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
| | - Meilin He
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China; Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing Agricultural University, Nanjing 210095, China.
| | - Changhai Wang
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China; Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing Agricultural University, Nanjing 210095, China; Co-Innovation Center for Jiangsu Marine Bio-Industry Technology, Lianyungang 222005, China.
| | - Ali Nawaz Kumbhar
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
| | - Abeselom Ghirmai Woldemicael
- Jiangsu Key Laboratory of Marine Biology, College of Resources and Environmental Science, Nanjing Agricultural University, Nanjing 210095, China
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16
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Salazar OR, Chen K, Melino VJ, Reddy MP, Hřibová E, Čížková J, Beránková D, Arciniegas Vega JP, Cáceres Leal LM, Aranda M, Jaremko L, Jaremko M, Fedoroff NV, Tester M, Schmöckel SM. SOS1 tonoplast neo-localization and the RGG protein SALTY are important in the extreme salinity tolerance of Salicornia bigelovii. Nat Commun 2024; 15:4279. [PMID: 38769297 PMCID: PMC11106269 DOI: 10.1038/s41467-024-48595-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 05/07/2024] [Indexed: 05/22/2024] Open
Abstract
The identification of genes involved in salinity tolerance has primarily focused on model plants and crops. However, plants naturally adapted to highly saline environments offer valuable insights into tolerance to extreme salinity. Salicornia plants grow in coastal salt marshes, stimulated by NaCl. To understand this tolerance, we generated genome sequences of two Salicornia species and analyzed the transcriptomic and proteomic responses of Salicornia bigelovii to NaCl. Subcellular membrane proteomes reveal that SbiSOS1, a homolog of the well-known SALT-OVERLY-SENSITIVE 1 (SOS1) protein, appears to localize to the tonoplast, consistent with subcellular localization assays in tobacco. This neo-localized protein can pump Na+ into the vacuole, preventing toxicity in the cytosol. We further identify 11 proteins of interest, of which SbiSALTY, substantially improves yeast growth on saline media. Structural characterization using NMR identified it as an intrinsically disordered protein, localizing to the endoplasmic reticulum in planta, where it can interact with ribosomes and RNA, stabilizing or protecting them during salt stress.
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Affiliation(s)
- Octavio R Salazar
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Red Sea Research Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Ke Chen
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Vanessa J Melino
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Muppala P Reddy
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Eva Hřibová
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of Plant Structural and Functional Genomics, Šlechtitelů 31, 77900, Olomouc, Czech Republic
| | - Jana Čížková
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of Plant Structural and Functional Genomics, Šlechtitelů 31, 77900, Olomouc, Czech Republic
| | - Denisa Beránková
- Institute of Experimental Botany of the Czech Academy of Sciences, Centre of Plant Structural and Functional Genomics, Šlechtitelů 31, 77900, Olomouc, Czech Republic
| | - Juan Pablo Arciniegas Vega
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Lina María Cáceres Leal
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Manuel Aranda
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
- Red Sea Research Center, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Lukasz Jaremko
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Mariusz Jaremko
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Nina V Fedoroff
- Department of Biology, Penn State University, University Park, PA, 16801, US
| | - Mark Tester
- Biological and Environmental Sciences & Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia.
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Kingdom of Saudi Arabia.
| | - Sandra M Schmöckel
- Department Physiology of Yield Stability, Institute of Crop Science, University of Hohenheim, Fruwirthstr. 21, 70599, Stuttgart, Germany
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17
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Huang Z, Yao L, Li B, Ma X, Si E, Yang K, Zhang H, Meng Y, Wang J, Wang H. HgS2, a novel salt-responsive gene from the Halophyte Halogeton glomeratus, confers salt tolerance in transgenic Arabidopsis. PHYSIOLOGIA PLANTARUM 2024; 176:e14356. [PMID: 38828569 DOI: 10.1111/ppl.14356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 04/26/2024] [Accepted: 04/30/2024] [Indexed: 06/05/2024]
Abstract
Halophyte Halogeton glomeratus mostly grows in saline desert areas in arid and semi-arid regions and is able to adapt to adverse conditions such as salinity and drought. Earlier transcriptomic studies revealed activation of the HgS2 gene in the leaf of H. glomeratus seedlings when exposed to saline conditions. To identify the properties of HgS2 in H. glomeratus, we used yeast transformation and overexpression in Arabidopsis. Yeast cells genetically transformed with HgS2 exhibited K+ uptake and Na+ efflux compared with control (empty vector). Stable overexpression of HgS2 in Arabidopsis improved its resistance to salt stress and led to a notable rise in seed germination in salinity conditions compared to the wild type (WT). Transgenic Arabidopsis regulated ion homeostasis in plant cells by increasing Na+ absorption and decreasing K+ efflux in leaves, while reducing Na+ absorption and K+ efflux in roots. In addition, overexpression of HgS2 altered transcription levels of stress response genes and regulated different metabolic pathways in roots and leaves of Arabidopsis. These results offer new insights into the role of HgS2 in plants' salt tolerance.
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Affiliation(s)
- Zhilei Huang
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Lirong Yao
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Baochun Li
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Botany, College of Life Sciences and Technology, Gansu Agricultural University, Lanzhou, China
| | - Xiaole Ma
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Erjing Si
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Ke Yang
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Hong Zhang
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Yaxiong Meng
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Juncheng Wang
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Huajun Wang
- State Key Lab of Aridland Crop Science / Gansu Key Lab of Crop Improvement and Germplasm Enhancement, Lanzhou, China
- Department of Crop Genetics and Breeding, College of Agronomy, Gansu Agricultural University, Lanzhou, China
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18
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Abdelkhalik A, Abdou NM, Gyushi MAH, Shaaban A, Abd El-Mageed SA, Hemida KA, Abd El-Mageed TA. Enhancing sweet potato (Ipomoea batatas) resilience grown in cadmium-contaminated saline soil: a synergistic approach using Moringa leaf extract and effective microorganisms application. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:32464-32479. [PMID: 38653894 PMCID: PMC11133164 DOI: 10.1007/s11356-024-33295-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 04/08/2024] [Indexed: 04/25/2024]
Abstract
Raising soil contamination with cadmium (Cd2+) and salinization necessitates the development of green approaches using bio-elicitors to ensure sustainable crop production and mitigate the detrimental health impacts. Two field trials were carried out to study the individual and combined effects of foliage spraying of Moringa leaf extract (MLE) and soil application of effective microorganisms (EMs) on the physio-biochemical, osmolytes, antioxidants, and performance of sweet potato grown in Cd2+-contaminated salty soil (Cd2+ = 17.42 mg kg-1 soil and soil salinity ECe = 7.42 dS m-1). Application of MLE, EMs, or MLE plus EMs significantly reduced the accumulation of Cd2+ in roots by 55.6%, 50.0%, or 68.1% and in leaves by 31.4%, 27.6%, or 38.0%, respectively, compared to the control. Co-application of MLE and EMs reduced Na+ concentration while substantially raising N, P, K+, and Ca2+ acquisition in the leaves. MLE and EMs-treated plants exhibited higher concentrations of total soluble sugar by 69.6%, free proline by 47.7%, total free amino acids by 29.0%, and protein by 125.7% compared to the control. The enzymatic (SOD, APX, GR, and CAT) and non-enzymatic (phenolic acids, GSH, and AsA) antioxidants increased in plants treated with MLE and/or EMs application. Applying MLE and/or EMs increased the leaf photosynthetic pigment contents, membrane stability, relative water content, water productivity, growth traits, and tuber yield of Cd2+ and salt-stressed sweet potato. Consequently, the integrative application of MLE and EMs achieved the best results exceeding the single treatments recommended in future application to sweet potato in saline soil contaminated with Cd2+.
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Affiliation(s)
| | - Nasr M Abdou
- Soil and Water Department, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | - Mohammad A H Gyushi
- Horticulture Department, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | - Ahmed Shaaban
- Agronomy Department, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | | | - Khaulood A Hemida
- Botany Department, Faculty of Science, Fayoum University, Fayoum, Egypt
| | - Taia A Abd El-Mageed
- Soil and Water Department, Faculty of Agriculture, Fayoum University, Fayoum, Egypt.
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19
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Kwon EH, Adhikari A, Imran M, Hussain A, Gam HJ, Woo JI, Jeon JR, Lee DS, Lee CY, Lay L, Kang SM, Kim WC, Yun BW, Lee IJ. Novel melatonin-producing Bacillus safensis EH143 mitigates salt and cadmium stress in soybean. J Pineal Res 2024; 76:e12957. [PMID: 38803089 DOI: 10.1111/jpi.12957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/02/2024] [Accepted: 04/18/2024] [Indexed: 05/29/2024]
Abstract
Recently, microorganism and exogenous melatonin application has been recognized as an efficient biological tool for enhancing salt tolerance and heavy metal detoxification in agriculture crops. Thus, the goal of this study was to isolate and evaluate a novel melatonin-producing plant growth promoting bacterium. With high-throughput whole genome sequencing, phytohormone measurements, expression profiling, and biochemical analysis, we can identify a novel PGPB that produces melatonin and unravel how it promotes soybean growth and development and protects against salt and Cd stress. We identify the melatonin synthesis pathway (tryptophan→tryptamine→serotonin melatonin) of the halotolerant (NaCl > 800 mM) and heavy metal-resistant (Cd >3 mM) rhizobacterium Bacillus safensis EH143 and use it to treat soybean plants subjected to Cd and NaCl stresses. Results show that EH143 will highly bioaccumulate heavy metals and significantly improve P and Ca2+ uptake and the K+/Na+ (93%↑under salt stress) ratio while reducing Cd uptake (49% under Cd stress) in shoots. This activity was supported by the expression of the ion regulator HKT1, MYPB67, and the calcium sensors CDPK5 and CaMK1 which ultimately led to increased plant growth. EH143 significantly decreased ABA content in shoots by 13%, 20%, and 34% and increased SA biosynthesis in shoots by 14.8%, 31%, and 48.2% in control, salt, and Cd-treated plants, upregulating CYP707A1 and CYP707A2 and PAL1 and ICS, respectively. The melatonin content significantly decreased along with a reduced expression of ASMT3 following treatment with EH143; moreover, reduced expression of peroxidase (POD) and superoxide dismutase (SOD) by 134.5% and 39% under salt+Cd stress, respectively and increased level of total amino acids were observed. Whole-genome sequencing and annotation of EH143 revealed the presence of the melatonin precursor tryptophan synthase (trpA, trpB, trpS), metal and other ion regulators (Cd: cadA, potassium: KtrA and KtrB, phosphate: glpT, calcium: yloB, the sodium/glucose cotransporter: sgIT, and the magnesium transporter: mgtE), and enzyme activators (including the siderophore transport proteins yfiZ and yfhA, the SOD sodA, the catalase katA1, and the glutathione regulator KefG) that may be involved in programming the plant metabolic system. As a consequence, EH143 treatment significantly reduced the contents of lipid peroxidation (O2-, MDA, and H2O2) up to 69%, 46%, and 29% in plants under salt+Cd stress, respectively. These findings suggest that EH143 could be a potent biofertilizer to alleviate NaCl and Cd toxicity in crops and serve as an alternative substitute for exogenous melatonin application.
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Affiliation(s)
- Eun-Hae Kwon
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Arjun Adhikari
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Muhammad Imran
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
- Biosafety Division, National Institute of Agriculture Science, Rural Development Administration, Jeonju, South Korea
| | - Adil Hussain
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
- Department of Agriculture, Abdul Wali Khan University Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Ho-Jun Gam
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Ji-In Woo
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Jin Ryeol Jeon
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Da-Sol Lee
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Chung-Yeol Lee
- Department of Statistics Graduate School, Kyungpook National University, Daegu, Republic of Korea
| | - Liny Lay
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Sang-Mo Kang
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Won-Chan Kim
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Byung-Wook Yun
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - In-Jung Lee
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
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20
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Tounsi S, Giorgi D, Kuzmanović L, Jrad O, Farina A, Capoccioni A, Ben Ayed R, Brini F, Ceoloni C. Coping with salinity stress: segmental group 7 chromosome introgressions from halophytic Thinopyrum species greatly enhance tolerance of recipient durum wheat. FRONTIERS IN PLANT SCIENCE 2024; 15:1378186. [PMID: 38766466 PMCID: PMC11099908 DOI: 10.3389/fpls.2024.1378186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/09/2024] [Indexed: 05/22/2024]
Abstract
Increased soil salinization, tightly related to global warming and drought and exacerbated by intensified irrigation supply, implies highly detrimental effects on staple food crops such as wheat. The situation is particularly alarming for durum wheat (DW), better adapted to arid/semi-arid environments yet more sensitive to salt stress than bread wheat (BW). To enhance DW salinity tolerance, we resorted to chromosomally engineered materials with introgressions from allied halophytic Thinopyrum species. "Primary" recombinant lines (RLs), having portions of their 7AL arms distally replaced by 7el1L Th. ponticum segments, and "secondary" RLs, harboring Th. elongatum 7EL insertions "nested" into 7el1L segments, in addition to near-isogenic lines lacking any alien segment (CLs), cv. Om Rabia (OR) as salt tolerant control, and BW introgression lines with either most of 7el1 or the complete 7E chromosome substitution as additional CLs, were subjected to moderate (100 mM) and intense (200 mM) salt (NaCl) stress at early growth stages. The applied stress altered cell cycle progression, determining a general increase of cells in G1 and a reduction in S phase. Assessment of morpho-physiological and biochemical traits overall showed that the presence of Thinopyrum spp. segments was associated with considerably increased salinity tolerance versus its absence. For relative water content, Na+ accumulation and K+ retention in roots and leaves, oxidative stress indicators (malondialdehyde and hydrogen peroxide) and antioxidant enzyme activities, the observed differences between stressed and unstressed RLs versus CLs was of similar magnitude in "primary" and "secondary" types, suggesting that tolerance factors might reside in defined 7el1L shared portion(s). Nonetheless, the incremental contribution of 7EL segments emerged in various instances, greatly mitigating the effects of salt stress on root and leaf growth and on the quantity of photosynthetic pigments, boosting accumulation of compatible solutes and minimizing the decrease of a powerful antioxidant like ascorbate. The seemingly synergistic effect of 7el1L + 7EL segments/genes made "secondary" RLs able to often exceed cv. OR and equal or better perform than BW lines. Thus, transfer of a suite of genes from halophytic germplasm by use of fine chromosome engineering strategies may well be the way forward to enhance salinity tolerance of glycophytes, even the sensitive DW.
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Affiliation(s)
- Sana Tounsi
- Biotechnology and Plant Improvement Laboratory, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sfax, Tunisia
| | - Debora Giorgi
- ENEA Casaccia Research Center, Department for Sustainability, Biotechnology and Agroindustry Division, Rome, Italy
| | - Ljiljana Kuzmanović
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Viterbo, Italy
| | - Olfa Jrad
- Biotechnology and Plant Improvement Laboratory, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sfax, Tunisia
| | - Anna Farina
- ENEA Casaccia Research Center, Department for Sustainability, Biotechnology and Agroindustry Division, Rome, Italy
| | - Alessandra Capoccioni
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Viterbo, Italy
| | - Rayda Ben Ayed
- Department of Agronomy and Plant Biotechnology, National Institute of Agronomy of Tunisia (INAT), University of Carthage, Tunis, Tunisia
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cédria, Hammam-lif, Tunisia
| | - Faiçal Brini
- Biotechnology and Plant Improvement Laboratory, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sfax, Tunisia
| | - Carla Ceoloni
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Viterbo, Italy
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Govindan G, Harini P, Alphonse V, Parani M. From swamp to field: how genes from mangroves and its associates can enhance crop salinity tolerance. Mol Biol Rep 2024; 51:598. [PMID: 38683409 DOI: 10.1007/s11033-024-09539-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 04/09/2024] [Indexed: 05/01/2024]
Abstract
Salinity stress is a critical challenge in crop production and requires innovative strategies to enhance the salt tolerance of plants. Insights from mangrove species, which are renowned for their adaptability to high-salinity environments, provides valuable genetic targets and resources for improving crops. A significant hurdle in salinity stress is the excessive uptake of sodium ions (Na+) by plant roots, causing disruptions in cellular balance, nutrient deficiencies, and hampered growth. Specific ion transporters and channels play crucial roles in maintaining a low Na+/K+ ratio in root cells which is pivotal for salt tolerance. The family of high-affinity potassium transporters, recently characterized in Avicennia officinalis, contributes to K+ homeostasis in transgenic Arabidopsis plants even under high-salt conditions. The salt overly sensitive pathway and genes related to vacuolar-type H+-ATPases hold promise for expelling cytosolic Na+ and sequestering Na+ in transgenic plants, respectively. Aquaporins contribute to mangroves' adaptation to saline environments by regulating water uptake, transpiration, and osmotic balance. Antioxidant enzymes mitigate oxidative damage, whereas genes regulating osmolytes, such as glycine betaine and proline, provide osmoprotection. Mangroves exhibit increased expression of stress-responsive transcription factors such as MYB, NAC, and CBFs under high salinity. Moreover, genes involved in various metabolic pathways, including jasmonate synthesis, triterpenoid production, and protein stability under salt stress, have been identified. This review highlights the potential of mangrove genes to enhance salt tolerance of crops. Further research is imperative to fully comprehend and apply these genes to crop breeding to improve salinity resilience.
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Affiliation(s)
- Ganesan Govindan
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, TN, 603203, India
| | - Prakash Harini
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, TN, 603203, India
| | - Vinoth Alphonse
- Department of Botany, St. Xavier's College (Autonomous), Palayamkottai, TN, 627 002, India
| | - Madasamy Parani
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, TN, 603203, India.
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22
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Verma K, Kumar A, Kumar R, Kumar N, Kumar A, Bhardwaj AK, Verma RC, Sharma P. Host Plant Modulated Physio-Biochemical Process Enhances Adaptive Response of Sandalwood ( Santalum album L.) under Salinity Stress. PLANTS (BASEL, SWITZERLAND) 2024; 13:1162. [PMID: 38674572 PMCID: PMC11054670 DOI: 10.3390/plants13081162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/10/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024]
Abstract
Salinity is one of the most significant abiotic stress that affects the growth and development of high-value tree species, including sandalwood, which can also be managed effectively on saline soils with the help of suitable host species. Therefore, the current investigation was conducted to understand the physiological processes and antioxidant mechanisms in sandalwood along the different salinity gradients to explore the host species that could support sandalwood growth in salt-affected agro-ecosystems. Sandalwood seedlings were grown with ten diverse host species with saline water irrigation gradients (ECiw~3, 6, and 9 dS m-1) and control (ECiw~0.82 dS m-1). Experimental findings indicate a decline in the chlorophyll content (13-33%), relative water content (3-23%), photosynthetic (27-61%) and transpiration rate (23-66%), water and osmotic potential (up to 137%), and ion dynamics (up to 61%) with increasing salinity levels. Conversely, the carotenoid content (23-43%), antioxidant activity (up to 285%), and membrane injury (82-205%) were enhanced with increasing salinity stress. Specifically, among the hosts, Dalbergia sissoo and Melia dubia showed a minimum reduction in chlorophyll content, relative water content, and plant water relation and gas exchange parameters of sandalwood plants. Surprisingly, most of the host tree species maintained K+/Na+ of sandalwood up to moderate water salinity of ECiw~6 dS m-1; however, a further increase in water salinity decreased the K+/Na+ ratio of sandalwood by many-fold. Salinity stress also enhanced the antioxidative enzyme activity, although the maximum increase was noted with host plants M. dubia, followed by D. sissoo and Azadirachta indica. Overall, the investigation concluded that sandalwood with the host D. sissoo can be successfully grown in nurseries using saline irrigation water and, with the host M. dubia, it can be grown using good quality irrigation water.
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Affiliation(s)
- Kamlesh Verma
- ICAR—Central Soil Salinity Research Institute, Karnal 132001, Haryana, India; (K.V.); (N.K.); (A.K.); (A.K.B.)
- Department of Forestry, CCS Haryana Agricultural University, Hisar 125004, Haryana, India;
| | - Ashwani Kumar
- ICAR—Central Soil Salinity Research Institute, Karnal 132001, Haryana, India; (K.V.); (N.K.); (A.K.); (A.K.B.)
| | - Raj Kumar
- ICAR—Central Soil Salinity Research Institute, Karnal 132001, Haryana, India; (K.V.); (N.K.); (A.K.); (A.K.B.)
| | - Naresh Kumar
- ICAR—Central Soil Salinity Research Institute, Karnal 132001, Haryana, India; (K.V.); (N.K.); (A.K.); (A.K.B.)
| | - Arvind Kumar
- ICAR—Central Soil Salinity Research Institute, Karnal 132001, Haryana, India; (K.V.); (N.K.); (A.K.); (A.K.B.)
| | - Ajay Kumar Bhardwaj
- ICAR—Central Soil Salinity Research Institute, Karnal 132001, Haryana, India; (K.V.); (N.K.); (A.K.); (A.K.B.)
| | - Ramesh Chander Verma
- Department of Forestry, CCS Haryana Agricultural University, Hisar 125004, Haryana, India;
| | - Prashant Sharma
- Department of Silviculture and Agroforestry, Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Solan 173230, Himachal Pradesh, India;
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23
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Wang X, Chen Z, Sui N. Sensitivity and responses of chloroplasts to salt stress in plants. FRONTIERS IN PLANT SCIENCE 2024; 15:1374086. [PMID: 38693929 PMCID: PMC11061501 DOI: 10.3389/fpls.2024.1374086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 04/04/2024] [Indexed: 05/03/2024]
Abstract
Chloroplast, the site for photosynthesis and various biochemical reactions, is subject to many environmental stresses including salt stress, which affects chloroplast structure, photosynthetic processes, osmotic balance, ROS homeostasis, and so on. The maintenance of normal chloroplast function is essential for the survival of plants. Plants have developed different mechanisms to cope with salt-induced toxicity on chloroplasts to ensure the normal function of chloroplasts. The salt tolerance mechanism is complex and varies with plant species, so many aspects of these mechanisms are not entirely clear yet. In this review, we explore the effect of salinity on chloroplast structure and function, and discuss the adaptive mechanisms by which chloroplasts respond to salt stress. Understanding the sensitivity and responses of chloroplasts to salt stress will help us understand the important role of chloroplasts in plant salt stress adaptation and lay the foundation for enhancing plant salt tolerance.
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Affiliation(s)
| | | | - Na Sui
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan, China
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24
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Yuan G, Nong T, Hunpatin OS, Shi C, Su X, Xu F, Wang Y, Zhang Z, Ning Y, Liu H, Wang Q. Genome-wide identification of Shaker K + channel family in Nicotiana tabacum and functional analysis of NtSKOR1B in response to salt stress. FRONTIERS IN PLANT SCIENCE 2024; 15:1378738. [PMID: 38660442 PMCID: PMC11039879 DOI: 10.3389/fpls.2024.1378738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 03/26/2024] [Indexed: 04/26/2024]
Abstract
Soil salinization poses a mounting global ecological and environmental threat. The identification of genes responsible for negative regulation of salt tolerance and their utilization in crop improvement through gene editing technologies emerges as a swift strategy for the effective utilization of saline-alkali lands. One efficient mechanism of plant salt tolerance is maintaining the proper intracellular K+/Na+ ratio. The Shaker K+ channels play a crucial role in potassium absorption, transport, and intracellular potassium homeostasis in plant cells. Here, the study presents the first genome-wide identification of Shaker K+ channels in Nicotiana tabacum L., along with a detailed bioinformatic analysis of the 20 identified members. Transcriptome analysis revealed a significant up-regulation of NtSKOR1B, an outwardly-rectifying member predominantly expressed in the root tissue of tobacco seedlings, in response to salt stress. This finding was then confirmed by GUS staining of ProNtSKOR1B::GUS transgenic lines and RT-qPCR analysis. Subsequently, NtSKOR1B knockout mutants (ntskor1) were then generated and subjected to salt conditions. It was found that ntskor1 mutants exhibit enhanced salt tolerance, characterized by increased biomass, higher K+ content and elevated K+/Na+ ratios in both leaf and root tissues, compared to wild-type plants. These results indicate that NtSKOR1B knockout inhibits K+ efflux in root and leaf tissues of tobacco seedlings under salt stress, thereby maintaining higher K+/Na+ ratios within the cells. Thus, our study identifies NtSKOR1B as a negative regulator of salt tolerance in tobacco seedlings.
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Affiliation(s)
- Guang Yuan
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Tongjia Nong
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Oluwaseyi Setonji Hunpatin
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Chuhan Shi
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiaoqing Su
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
- College of Agriculture, Qingdao Agricultural University, Qingdao, China
| | - Fangzheng Xu
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Yihui Wang
- China Tobacco Shandong Industrial Co., LTD Cigar Operation Center, Jinan, China
| | - Zhaoting Zhang
- Xuancheng City Xuanzhou District Tobacco Industry Development Center, Xuancheng, China
| | - Yang Ning
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Haobao Liu
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Qian Wang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, China
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25
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Kaur A, Madhu, Sharma A, Singh K, Upadhyay SK. Investigation of two-pore K + (TPK) channels in Triticum aestivum L. suggests their role in stress response. Heliyon 2024; 10:e27814. [PMID: 38533012 PMCID: PMC10963239 DOI: 10.1016/j.heliyon.2024.e27814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 02/28/2024] [Accepted: 03/07/2024] [Indexed: 03/28/2024] Open
Abstract
Two-pore K+ (TPK) channels are voltage-independent and involved in stress response in plants. Herein, we identified 12 TaTPK genes located on nine chromosomes in the Triticum aestivum genome. The majority of TaTPK genes comprised two exons. Each TaTPK channel comprised four transmembrane (TM) helices, N- and C-terminal ion-channel domains, two EF-hand domains and one 14-3-3 binding site. Additionally, highly conserved 'GYGD' motif responsible for K+ ion specificity, was found in between the TMs in both the ion-channel domains. Nine TaTPK channels were predicted to be localised at the plasma membrane, while three were vacuolar. The protein-protein and protein-chemical interactions indicated the coordinated functioning of the TaTPK channels with the other K+ transporters and their possible interaction with the Ca2+-signaling pathway. Expression studies suggested their importance in both vegetative and reproductive tissues development. Significantly modulated expression of various TaTPK genes during heat, drought, combined heat and drought and salt stresses, and after fungal infestation, depicted their function in stress responses. The miRNAs and transcription factors interaction analyses suggested their role in the hormone, light, growth and development-related, and stress-responsive signaling cascades. The current study suggested vital functions of various TaTPK genes, especially in stress response, and would provide an opportunity for their detailed characterization in future studies.
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Affiliation(s)
- Amandeep Kaur
- Department of Botany, Panjab University, Chandigarh, India, 160014
| | - Madhu
- Department of Botany, Panjab University, Chandigarh, India, 160014
| | - Alok Sharma
- Department of Botany, Panjab University, Chandigarh, India, 160014
- Regional Ayurveda Research Institute, Gwalior, Madhya Pradesh, 474001, India
| | - Kashmir Singh
- Department of Biotechnology, Panjab University, Chandigarh, India
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26
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Gajjar P, Ismail A, Islam T, Moniruzzaman M, Darwish AG, Dawood AS, Mohamed AG, Haikal AM, El-Saady AM, El-Kereamy A, Sherif SM, Abazinge MD, Kambiranda D, El-Sharkawy I. Transcriptome Profiling of a Salt Excluder Hybrid Grapevine Rootstock 'Ruggeri' throughout Salinity. PLANTS (BASEL, SWITZERLAND) 2024; 13:837. [PMID: 38592889 PMCID: PMC10974295 DOI: 10.3390/plants13060837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 04/11/2024]
Abstract
Salinity is one of the substantial threats to plant productivity and could be escorted by other stresses such as heat and drought. It impairs critical biological processes, such as photosynthesis, energy, and water/nutrient acquisition, ultimately leading to cell death when stress intensity becomes uncured. Therefore, plants deploy several proper processes to overcome such hostile circumstances. Grapevine is one of the most important crops worldwide that is relatively salt-tolerant and preferentially cultivated in hot and semi-arid areas. One of the most applicable strategies for sustainable viticulture is using salt-tolerant rootstock such as Ruggeri (RUG). The rootstock showed efficient capacity of photosynthesis, ROS detoxification, and carbohydrate accumulation under salinity. The current study utilized the transcriptome profiling approach to identify the molecular events of RUG throughout a regime of salt stress followed by a recovery procedure. The data showed progressive changes in the transcriptome profiling throughout salinity, underpinning the involvement of a large number of genes in transcriptional reprogramming during stress. Our results established a considerable enrichment of the biological process GO-terms related to salinity adaptation, such as signaling, hormones, photosynthesis, carbohydrates, and ROS homeostasis. Among the battery of molecular/cellular responses launched upon salinity, ROS homeostasis plays the central role of salt adaptation.
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Affiliation(s)
- Pranavkumar Gajjar
- Center for Viticulture and Small Fruit Research, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL 32308, USA
| | - Ahmed Ismail
- Center for Viticulture and Small Fruit Research, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL 32308, USA
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 92521, USA
- Department of Horticulture, Faculty of Agriculture, Damanhour University, Damanhour 22516, Egypt
| | - Tabibul Islam
- Plant Sciences Department, University of Tennessee, Knoxville, TN 37996, USA
| | - Md Moniruzzaman
- Center for Viticulture and Small Fruit Research, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL 32308, USA
| | - Ahmed G Darwish
- Center for Viticulture and Small Fruit Research, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL 32308, USA
- Department of Biochemistry, Faculty of Agriculture, Minia University, Minia 61519, Egypt
| | - Ahmed S Dawood
- Horticulture Department, Faculty of Agriculture, Al-Azhar University, Cairo 11884, Egypt
| | - Ahmed G Mohamed
- Center for Viticulture and Small Fruit Research, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL 32308, USA
| | - Amr M Haikal
- Department of Horticulture, Faculty of Agriculture, Damanhour University, Damanhour 22516, Egypt
| | | | - Ashraf El-Kereamy
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 92521, USA
| | - Sherif M Sherif
- Alson H. Smith Jr. Agricultural Research and Extension Center, School of Plant and Environmental Sciences, Virginia Tech, Winchester, VA 22602, USA
| | - Michael D Abazinge
- School of the Environment, Florida A&M University, Tallahassee, FL 32307, USA
| | - Devaiah Kambiranda
- Department of Plant and Soil Sciences, Southern University Agricultural Research and Extension Center, Baton Rouge, LA 70813, USA
| | - Islam El-Sharkawy
- Center for Viticulture and Small Fruit Research, College of Agriculture and Food Sciences, Florida A&M University, Tallahassee, FL 32308, USA
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Shuyskaya E, Rakhmankulova Z, Prokofieva M, Lunkova N, Voronin P. Salinity Mitigates the Negative Effect of Elevated Temperatures on Photosynthesis in the C 3-C 4 Intermediate Species Sedobassia sedoides. PLANTS (BASEL, SWITZERLAND) 2024; 13:800. [PMID: 38592796 PMCID: PMC10976079 DOI: 10.3390/plants13060800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 03/06/2024] [Accepted: 03/10/2024] [Indexed: 04/11/2024]
Abstract
The adaptation of plants to combined stresses requires unique responses capable of overcoming both the negative effects of each individual stress and their combination. Here, we studied the C3-C4 (C2) halophyte Sedobassia sedoides in response to elevated temperature (35 °C) and salinity (300 mM NaCl) as well as their combined effect. The responses we studied included changes in water-salt balance, light and dark photosynthetic reactions, the expression of photosynthetic genes, the activity of malate dehydrogenase complex enzymes, and the antioxidant system. Salt treatment led to altered water-salt balance, improved water use efficiency, and an increase in the abundance of key enzymes involved in intermediate C3-C4 photosynthesis (i.e., Rubisco and glycine decarboxylase). We also observed a possible increase in the activity of the C2 carbon-concentrating mechanism (CCM), which allowed plants to maintain high photosynthesis intensity and biomass accumulation. Elevated temperatures caused an imbalance in the dark and light reactions of photosynthesis, leading to stromal overreduction and the excessive generation of reactive oxygen species (ROS). In response, S. sedoides significantly activated a metabolic pathway for removing excess NADPH, the malate valve, which is catalyzed by NADP-MDH, without observable activation of the antioxidant system. The combined action of these two factors caused the activation of antioxidant defenses (i.e., increased activity of SOD and POX and upregulation of FDI), which led to a decrease in oxidative stress and helped restore the photosynthetic energy balance. Overall, improved PSII functioning and increased activity of PSI cyclic electron transport (CET) and C2 CCM led to an increase in the photosynthesis intensity of S. sedoides under the combined effect of salinity and elevated temperature relative to high temperature alone.
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Affiliation(s)
- Elena Shuyskaya
- K.A. Timiryazev Institute of Plant Physiology of Russian Academy of Science, 127276 Moscow, Russia; (Z.R.); (M.P.); (N.L.); (P.V.)
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Sultan H, Li Y, Ahmed W, Yixue M, Shah A, Faizan M, Ahmad A, Abbas HMM, Nie L, Khan MN. Biochar and nano biochar: Enhancing salt resilience in plants and soil while mitigating greenhouse gas emissions: A comprehensive review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 355:120448. [PMID: 38422850 DOI: 10.1016/j.jenvman.2024.120448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/01/2024] [Accepted: 02/20/2024] [Indexed: 03/02/2024]
Abstract
Salinity stress poses a significant challenge to agriculture, impacting soil health, plant growth and contributing to greenhouse gas (GHG) emissions. In response to these intertwined challenges, the use of biochar and its nanoscale counterpart, nano-biochar, has gained increasing attention. This comprehensive review explores the heterogeneous role of biochar and nano-biochar in enhancing salt resilience in plants and soil while concurrently mitigating GHG emissions. The review discusses the effects of these amendments on soil physicochemical properties, improved water and nutrient uptake, reduced oxidative damage, enhanced growth and the alternation of soil microbial communities, enhance soil fertility and resilience. Furthermore, it examines their impact on plant growth, ion homeostasis, osmotic adjustment and plant stress tolerance, promoting plant development under salinity stress conditions. Emphasis is placed on the potential of biochar and nano-biochar to influence soil microbial activities, leading to altered emissions of GHG emissions, particularly nitrous oxide(N2O) and methane(CH4), contributing to climate change mitigation. The comprehensive synthesis of current research findings in this review provides insights into the multifunctional applications of biochar and nano-biochar, highlighting their potential to address salinity stress in agriculture and their role in sustainable soil and environmental management. Moreover, it identifies areas for further investigation, aiming to enhance our understanding of the intricate interplay between biochar, nano-biochar, soil, plants, and greenhouse gas emissions.
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Affiliation(s)
- Haider Sultan
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China.
| | - Yusheng Li
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China
| | - Waqas Ahmed
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou, 570228, China
| | - Mu Yixue
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China
| | - Asad Shah
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China
| | - Mohammad Faizan
- Botany Section, School of Sciences, Maulana Azad National Urdu University, Hyderabad, 500032, India
| | - Aqeel Ahmad
- Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales, 2751, Australia
| | - Hafiz Muhammad Mazhar Abbas
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China
| | - Lixiao Nie
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China.
| | - Mohammad Nauman Khan
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, 572025, China.
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29
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Acharya BR, Zhao C, Reyes LAR, Ferreira JFS, Sandhu D. Understanding the salt overly sensitive pathway in Prunus: Identification and characterization of NHX, CIPK, and CBL genes. THE PLANT GENOME 2024; 17:e20371. [PMID: 37493242 DOI: 10.1002/tpg2.20371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 05/17/2023] [Accepted: 07/07/2023] [Indexed: 07/27/2023]
Abstract
Salinity is a major abiotic stress factor that can significantly impact crop growth, and productivity. In response to salt stress, the plant Salt Overly Sensitive (SOS) signaling pathway regulates the homeostasis of intracellular sodium ion concentration. The SOS1, SOS2, and SOS3 genes play critical roles in the SOS pathway, which belongs to the members of Na+/H+ exchanger (NHX), CBL-interacting protein kinase (CIPK), and calcineurin B-like (CBL) gene families, respectively. In this study, we performed genome-wide identifications and phylogenetic analyses of NHX, CIPK, and CBL genes in six Rosaceae species: Prunus persica, Prunus dulcis, Prunus mume, Prunus armeniaca, Pyrus ussuriensis × Pyrus communis, and Rosa chinensis. NHX, CIPK, and CBL genes of Arabidopsis thaliana were used as controls for phylogenetic analyses. Our analysis revealed the lineage-specific and adaptive evolutions of Rosaceae genes. Our observations indicated the existence of two primary classes of CIPK genes: those that are intron-rich and those that are intron-less. Intron-rich CIPKs in Rosaceae and Arabidopsis can be traced back to algae CIPKs and CIPKs found in early plants, suggesting that intron-less CIPKs evolved from their intron-rich counterparts. This study identified one gene for each member of the SOS signaling pathway in P. persica: PpSOS1, PpSOS2, and PpSOS3. Gene expression analyses indicated that all three genes of P. persica were expressed in roots and leaves. Yeast two-hybrid-based protein-protein interaction analyses revealed a direct interaction between PpSOS3 and PpSOS2; and between PpSOS2 and PpSOS1C-terminus region. Our findings indicate that the SOS signaling pathway is highly conserved in P. persica.
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Affiliation(s)
- Biswa R Acharya
- USDA-ARS, US Salinity Lab, Riverside, California, USA
- College of Natural and Agricultural Sciences, University of California Riverside, Riverside, California, USA
| | - Chaoyang Zhao
- USDA-ARS, US Salinity Lab, Riverside, California, USA
- College of Natural and Agricultural Sciences, University of California Riverside, Riverside, California, USA
| | - Lorenso Antonio Rodriguez Reyes
- USDA-ARS, US Salinity Lab, Riverside, California, USA
- College of Natural and Agricultural Sciences, University of California Riverside, Riverside, California, USA
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Soliman ERS. Preserving the adaptive salt stress response activity of a tissue-specific promoter with modulating activity. J Genet Eng Biotechnol 2024; 22:100354. [PMID: 38494266 PMCID: PMC10941203 DOI: 10.1016/j.jgeb.2024.100354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 01/17/2024] [Indexed: 03/19/2024]
Abstract
BACKGROUND The Arabidopsis "Redox Responsive Transcription Factor1" (RRTF1) promoter is transiently activated by salt stress in roots over 6 h period, followed by an adaptation phase during which its activity returns to baseline levels, even if the salt stress is prolonged. This enables the short-term production of genes that, while initially advantageous to the plant, will have long-term detrimental effects if expressed at high levels indefinitely. RESULTS In this paper, we demonstrate that the RRTF1 promoter salt adaption response is a dominant feature of the promoter, that cannot be overwritten by a strong enhancer. While maintaining the transient activation profile of the RRTF1 promoter, linking it to the 35S enhancer results in a significant boost of salt stress induction in roots. CONCLUSION The RRTF1 promoter's enhanced and still adaptable activity could become a useful tool in plant biotechnology.
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Affiliation(s)
- Elham R S Soliman
- Cytogenetics and Molecular Genetics Unit, Botany and Microbiology Department, Faculty of Science, Helwan University, Helwan, Egypt.
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31
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Trotta V, Russo D, Rivelli AR, Battaglia D, Bufo SA, Caccavo V, Forlano P, Lelario F, Milella L, Montinaro L, Scrano L, Brienza M. Wastewater irrigation and Trichoderma colonization in tomato plants: effects on plant traits, antioxidant activity, and performance of the insect pest Macrosiphum euphorbiae. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:18887-18899. [PMID: 38353820 PMCID: PMC10923738 DOI: 10.1007/s11356-024-32407-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/06/2024] [Indexed: 03/09/2024]
Abstract
The scarcity of freshwater for agriculture in many regions has led to the application of sewage and saline water for irrigation. Irrigation with non-conventional water sources could become a non-harmful process for plant cultivation, and the effects of their use on crops should be monitored in order to develop optimal management strategies. One possibility to overcome potential barriers is to use biostimulants such as Trichoderma spp. fungi. Tomato is a crop of great economic importance in the world. This study investigated the joint effects of Trichoderma afroharzianum T-22 on tomato plants irrigated with simulated unconventional waters. The experiment consisted of a control and three water treatments. In the control, the plants were watered with distilled water. The three water treatments were obtained by using an irrigation water added with nitrogen, a wastewater effluent, and a mixed groundwater-wastewater effluents. Potted tomato plants (variety Bobcat) were grown in a controlled growth chamber. Antioxidant activity, susceptibility to the aphids Macrosiphum euphorbiae, and tomato plant growth parameters were estimated. Trichoderma afroharzianum T-22 had a positive effect on plant growth and antioxidant defenses when plants were irrigated with distilled water. Instead, no significant morphological effects induced by T. afroharzianum T-22 on plants were observed when unconventional water was used for irrigation. However, inoculation with T. afroharzianum T-22 activated a stress response that made the colonized plants more susceptible to aphid development and increased their fecundity and longevity. Thanks to this study, it may be possible for the first time to open a new discussion on the practical possibility of using reclaimed wastewater for crop irrigation with the addition of a growth-promoting fungal symbiont.
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Affiliation(s)
- Vincenzo Trotta
- Scuola di Scienze Agrarie, Forestali, Alimentari e Ambientali, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy.
| | - Daniela Russo
- Dipartimento di Scienze, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Anna Rita Rivelli
- Scuola di Scienze Agrarie, Forestali, Alimentari e Ambientali, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Donatella Battaglia
- Scuola di Scienze Agrarie, Forestali, Alimentari e Ambientali, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Sabino Aurelio Bufo
- Dipartimento di Scienze, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Vittoria Caccavo
- Dipartimento di Scienze, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Pierluigi Forlano
- Scuola di Scienze Agrarie, Forestali, Alimentari e Ambientali, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Filomena Lelario
- Dipartimento di Scienze, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Luigi Milella
- Dipartimento di Scienze, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Lorenzo Montinaro
- Dipartimento di Scienze, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Laura Scrano
- Dipartimento delle Culture Europee e del Mediterraneo, Università della Basilicata, via Lanera 20, 75100, Matera, Italy
| | - Monica Brienza
- Dipartimento di Scienze, Università della Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
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Hualpa-Ramirez E, Carrasco-Lozano EC, Madrid-Espinoza J, Tejos R, Ruiz-Lara S, Stange C, Norambuena L. Stress salinity in plants: New strategies to cope with in the foreseeable scenario. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108507. [PMID: 38467083 DOI: 10.1016/j.plaphy.2024.108507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 02/12/2024] [Accepted: 03/04/2024] [Indexed: 03/13/2024]
Abstract
The excess of salts in soils causes stress in most plants, except for some halophytes that can tolerate higher levels of salinity. The excess of Na+ generates an ionic imbalance, reducing the K+ content and altering cellular metabolism, thus impacting in plant growth and development. Additionally, salinity in soil induces water stress due to osmotic effects and increments the production of reactive oxygen species (ROS) that affect the cellular structure, damaging membranes and proteins, and altering the electrochemical potential of H+, which directly affects nutrient absorption by membrane transporters. However, plants possess mechanisms to overcome the toxicity of the sodium ions, such as internalization into the vacuole or exclusion from the cell, synthesis of enzymes or protective compounds against ROS, and the synthesis of metabolites that help to regulate the osmotic potential of plants. Physiologic and molecular mechanisms of salinity tolerance in plants will be addressed in this review. Furthermore, a revision of strategies taken by researchers to confer salt stress tolerance on agriculturally important species are discussed. These strategies include conventional breeding and genetic engineering as transgenesis and genome editing by CRISPR/Cas9.
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Affiliation(s)
- Efrain Hualpa-Ramirez
- Plant Molecular Biology Centre, Department of Biology, Faculty of Sciences, Universidad de Chile, Santiago, Chile
| | | | | | - Ricardo Tejos
- Plant Molecular Biology Centre, Department of Biology, Faculty of Sciences, Universidad de Chile, Santiago, Chile
| | - Simón Ruiz-Lara
- Instituto de Ciencias Biológicas. Universidad de Talca, Talca, Chile
| | - Claudia Stange
- Plant Molecular Biology Centre, Department of Biology, Faculty of Sciences, Universidad de Chile, Santiago, Chile
| | - Lorena Norambuena
- Plant Molecular Biology Centre, Department of Biology, Faculty of Sciences, Universidad de Chile, Santiago, Chile.
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Libron JAMA, Putri HH, Bore EK, Chepkoech R, Akagi I, Odama E, Goto K, Tamaru S, Yabuta S, Sakagami JI. Halopriming in the submergence-tolerant rice variety improved the resilience to salinity and combined salinity-submergence at the seedling stage. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108494. [PMID: 38513520 DOI: 10.1016/j.plaphy.2024.108494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 02/09/2024] [Accepted: 03/01/2024] [Indexed: 03/23/2024]
Abstract
The role of halopriming in alleviating the detrimental effects of salinity and combined salinity-submergence was evaluated using two rice genotypes, "IR06F148" (anaerobic germination + submergence tolerant [Sub1]) and "Salt-star" (salt tolerant) with contrasting levels of tolerance. Nonprimed seeds and those primed with 1% calcium chloride (CaCl2) were germinated, and the seedlings were exposed to salinity (50 or 100 mM sodium chloride [NaCl]) and submergence (nonsaline or saline water). Salinity substantially inhibited plant height, shoot/root dry mass, and leaf area. Priming improved the resilience to 50 mM NaCl by increasing the chlorophyll content and lowering hydrogen peroxide (H2O2) production; and to 100 mM NaCl by increasing the total soluble sugars. However, apparent differences in the responses of primed "Salt-star", such as an increase in the Na+, K+, and Ca2+ levels, indicated that halopriming differentially affected the response to salt based on the salinity tolerance of the variety. Submergence reduced the shoot biomass, chlorophyll, and photosynthetic efficiency to a greater extent in "Salt-star" than in "IR06F148". Priming, especially in "Salt-star", caused a lesser reduction in the chlorophyll (Chl) and maximum quantum yield of photosystem II (Fv/Fm) but increased the total soluble sugars post-submergence, indicating a boost in the photosynthetic efficiency. The responses of the two varieties to submergence depended on their tolerance, and halopriming affected each variety differently. The metabolic and molecular changes induced by halopriming in submergence-tolerant rice may be explored further to understand the underlying mechanisms of improved resilience.
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Affiliation(s)
- Julie Ann Mher Alcances Libron
- Graduate School of Agriculture, Forestry and Fisheries, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan.
| | - Hana Haruna Putri
- Graduate School of Agriculture, Forestry and Fisheries, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan.
| | - Emmanuel Kiprono Bore
- Graduate School of Agriculture, Forestry and Fisheries, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan; Kenya Plant Health Inspectorate Service, Nairobi, Kenya.
| | - Rael Chepkoech
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan.
| | - Isao Akagi
- Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan.
| | - Emmanuel Odama
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan; National Agricultural Research Organization, Abi Zonal Agricultural Research and Development Institute, Plot 3, Lugard Avenue P.O. Box 295, Entebbe, Uganda.
| | - Keita Goto
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan.
| | - Shotaro Tamaru
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan.
| | - Shin Yabuta
- Setsunan University, 45-1 Nagaotoge, Hirakata, Osaka, 573-0101, Japan.
| | - Jun-Ichi Sakagami
- Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan; The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, 890-0065, Japan.
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Zeng LL, Song LY, Wu X, Ma DN, Song SW, Wang XX, Zheng HL. Brassinosteroid enhances salt tolerance via S-nitrosoglutathione reductase and nitric oxide signaling pathway in mangrove Kandelia obovata. PLANT, CELL & ENVIRONMENT 2024; 47:511-526. [PMID: 37869766 DOI: 10.1111/pce.14745] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 09/28/2023] [Accepted: 10/16/2023] [Indexed: 10/24/2023]
Abstract
Brassinosteroid (BR) has been shown to modulate plant tolerance to various stresses. S-nitrosoglutathione reductase (GSNOR) is involved in the plant response to environment stress by fine-turning the level of nitric oxide (NO). However, whether GSNOR is involved in BR-regulated Na+ /K+ homeostasis to improve the salt tolerance in halophyte is unknown. Here, we firstly reported that high salinity increases the expression of BR-biosynthesis genes and the endogenous levels of BR in mangrove Kandelia obovata. Then, salt-induced BR triggers the activities and gene expressions of GSNOR and antioxidant enzymes, thereafter decrease the levels of malondialdehyde, hydrogen peroxide. Subsequently, BR-mediated GSNOR negatively regulates NO contributions to the reduction of reactive oxygen species generation and induction of the gene expression related to Na+ and K+ transport, leading to the decrease of Na+ /K+ ratio in the roots of K. obovata. Finally, the applications of exogenous BR, NO scavenger, BR biosynthetic inhibitor and GSNOR inhibitor further confirm the function of BR. Taken together, our result provides insight into the mechanism of BR in the response of mangrove K. obovata to high salinity via GSNOR and NO signaling pathway by reducing oxidative damage and modulating Na+ /K+ homeostasis.
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Affiliation(s)
- Lin-Lan Zeng
- Key Laboratory for Subtropical Wetland Ecosystem Research of MOE, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
| | - Ling-Yu Song
- Key Laboratory for Subtropical Wetland Ecosystem Research of MOE, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
| | - Xuan Wu
- Key Laboratory for Subtropical Wetland Ecosystem Research of MOE, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
| | - Dong-Na Ma
- Key Laboratory for Subtropical Wetland Ecosystem Research of MOE, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
| | - Shi-Wei Song
- Key Laboratory for Subtropical Wetland Ecosystem Research of MOE, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
| | - Xiu-Xiu Wang
- College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
| | - Hai-Lei Zheng
- Key Laboratory for Subtropical Wetland Ecosystem Research of MOE, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
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Wang T, Xu J, Chen J, Liu P, Hou X, Yang L, Zhang L. Progress in Microbial Fertilizer Regulation of Crop Growth and Soil Remediation Research. PLANTS (BASEL, SWITZERLAND) 2024; 13:346. [PMID: 38337881 PMCID: PMC10856823 DOI: 10.3390/plants13030346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/16/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024]
Abstract
More food is needed to meet the demand of the global population, which is growing continuously. Chemical fertilizers have been used for a long time to increase crop yields, and may have negative effect on human health and the agricultural environment. In order to make ongoing agricultural development more sustainable, the use of chemical fertilizers will likely have to be reduced. Microbial fertilizer is a kind of nutrient-rich and environmentally friendly biological fertilizer made from plant growth-promoting bacteria (PGPR). Microbial fertilizers can regulate soil nutrient dynamics and promote soil nutrient cycling by improving soil microbial community changes. This process helps restore the soil ecosystem, which in turn promotes nutrient uptake, regulates crop growth, and enhances crop resistance to biotic and abiotic stresses. This paper reviews the classification of microbial fertilizers and their function in regulating crop growth, nitrogen fixation, phosphorus, potassium solubilization, and the production of phytohormones. We also summarize the role of PGPR in helping crops against biotic and abiotic stresses. Finally, we discuss the function and the mechanism of applying microbial fertilizers in soil remediation. This review helps us understand the research progress of microbial fertilizer and provides new perspectives regarding the future development of microbial agent in sustainable agriculture.
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Affiliation(s)
- Tingting Wang
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Jiaxin Xu
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Jian Chen
- Institute of Food Quality and Safety, Jiangsu Academy of Agricultural Sciences, Nanjing 221122, China;
| | - Peng Liu
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Xin Hou
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Long Yang
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Li Zhang
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
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36
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Stefanello R, da Silva Garcia WJ, Rossato Viana A, da Rosa Salles T, Bohn Rhoden CR. Graphene oxide decreases the effects of salt stress on Persian clover seed germination. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2024; 87:47-56. [PMID: 37882219 DOI: 10.1080/15287394.2023.2274338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Among biotic and abiotic stresses, the most restrictive for plant distribution is salt stress, where different concentrations might exert harmful effects on seed germination. Recently, nanomaterials were used successfully to mitigate these stresses, indicating that plants may be able to develop normally in adverse conditions. The aim of this study was to examine the effects of graphene oxide (GO) on the germination of Persian clover seedlings under salt stress conditions. Following sown on substrate paper, seeds were tested after exposure to different concentrations of graphene oxide (0, 125, 250, or 500 mg L-1 GO), sodium chloride (0; -0.1; -0.2; -0.3, or -0.4 MPa NaCl) and/or GO + salt concomitantly, and then stored for 7 days in a germination chamber at 20°C in the presence of light. Seed germination and growth parameters of seedlings were determined. Graphene oxide demonstrated protective effect against salt stress as evident by no marked adverse effects on seed germination where GO blocked the salt-induced reduction in germination. The results obtained provide references for the safe application of nanomaterials and emphasize the significance of GO as a promising material for reducing the toxicity of salts in agriculture.
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Affiliation(s)
- Raquel Stefanello
- Department of Biology, Federal University of Santa Maria, Santa Maria, Brazil
| | | | - Altevir Rossato Viana
- Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, Santa Maria, Brazil
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Wei L, Liao W, Zhong Y, Tian Y, Wei S, Liu Y. NO-mediated protein S-nitrosylation under salt stress: Role and mechanism. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 338:111927. [PMID: 37984610 DOI: 10.1016/j.plantsci.2023.111927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 11/07/2023] [Accepted: 11/14/2023] [Indexed: 11/22/2023]
Abstract
Salt stress is one of the major environmental stressors that remarkably hinders the processes of plant growth and development, thereby limiting crop productivity. An understanding of the molecular mechanisms underlying plant responses against salinity stimulus will help guide the rational design of crop plants to counter these challenges. Nitric oxide (NO) is a redox-related signaling molecule regulating diverse biological processes in plant. Accumulating evidences indicated NO exert its biological functions through posttranslational modification of proteins, notably via S-nitrosylation. During the past decade, the roles of S-nitrosylation as a regulator of plant and S-nitrosylated candidates have also been established and detected. Emerging evidence indicated that protein S-nitrosylation is ubiquitously involved in the regulation of plant response to salt stress. However, little is known about this pivotal molecular amendment in the regulation of salt stress response. Here, we describe current understanding on the regulatory mechanisms of protein S-nitrosylation in response to salt stress in plants and highlight key challenges in this field.
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Affiliation(s)
- Lijuan Wei
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Weibiao Liao
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou 730070, China
| | - Yue Zhong
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Ye Tian
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Shouhui Wei
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Yiqing Liu
- Spice Crops Research Institute, College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
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Sarkar MM, Rudra P, Paul P, Dua TK, Roy S. Enhanced adaptation to salinity stress in lentil seedlings through the use of trehalose-functionalized silica nanoparticles (TSiNPs): Exploring silica-sugar absorption and oxidative balance. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108309. [PMID: 38169228 DOI: 10.1016/j.plaphy.2023.108309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/01/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024]
Abstract
Silica nanoparticles (SiNPs) confer better growth and development of plants under salinity stress. Moreover, the surface-functionalization of SiNPs with bioactive molecules is expected to enhance its efficacy. The present study thus aimed to modify the surface of SiNPs, by attaching a bioactive molecule (trehalose) to obtain TSiNPs. The successful surface functionalization was confirmed using FTIR, XRD, and EDS. The spherical shape and amorphous nature of the nanoparticles were confirmed using SEM. The TEM image analysis revealed that the size of SiNPs and TSiNPs ranged between 20-50 nm and 200-250 nm, respectively. A novel bioassay experiment designed to study the release of silica and trehalose from nanoparticles elucidated that the TSiNPs improved the release and uptake of silica. Also, trehalose uptake significantly improved after 72 h of application due to enhanced release of trehalose from TSiNPs. Further, this study also aimed to investigate the potential benefits of SiNPs and TSiNPs in promoting the growth and development of plants under salinity stress. In this context, the nanoparticles were applied to the saline-stressed (0, 200, 300 mM) lentil seedlings for the in-planta experiments. The results revealed that both SiNPs and TSiNPs improved the growth of seedlings (shoot, and root length), ionic balance (K+/Na+ ratio), and osmolyte status (sugars, proline, glycine betaine, trehalose). Additionally, increased antioxidant enzyme activities helped scavenge ROS (H2O2, O2.-) generated in NaCl-stressed seedlings, ultimately improving the membrane integrity (by reducing MDA and EL). However, the TSiNPs exhibited a much-enhanced activity in stress alleviation compared to the SiNPs.
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Affiliation(s)
- Mahima Misti Sarkar
- Plant Biochemistry Laboratory, Department of Botany, University of North Bengal, Raja Rammohunpur, Dist. Darjeeling, West Bengal, 734013, India
| | - Pritha Rudra
- Plant Biochemistry Laboratory, Department of Botany, University of North Bengal, Raja Rammohunpur, Dist. Darjeeling, West Bengal, 734013, India
| | - Paramita Paul
- Department of Pharmaceutical Technology, University of North Bengal, Raja Rammohunpur, Dist. Darjeeling, West Bengal, 734013, India
| | - Tarun Kumar Dua
- Department of Pharmaceutical Technology, University of North Bengal, Raja Rammohunpur, Dist. Darjeeling, West Bengal, 734013, India
| | - Swarnendu Roy
- Plant Biochemistry Laboratory, Department of Botany, University of North Bengal, Raja Rammohunpur, Dist. Darjeeling, West Bengal, 734013, India.
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Song Q, He F, Kong L, Yang J, Wang X, Zhao Z, Zhang Y, Xu C, Fan C, Luo K. The IAA17.1/HSFA5a module enhances salt tolerance in Populus tomentosa by regulating flavonol biosynthesis and ROS levels in lateral roots. THE NEW PHYTOLOGIST 2024; 241:592-606. [PMID: 37974487 DOI: 10.1111/nph.19382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/09/2023] [Indexed: 11/19/2023]
Abstract
Auxin signaling provides a promising approach to controlling root system architecture and improving stress tolerance in plants. However, how the auxin signaling is transducted in this process remains unclear. The Aux indole-3-acetic acid (IAA) repressor IAA17.1 is stabilized by salinity, and primarily expressed in the lateral root (LR) primordia and tips in poplar. Overexpression of the auxin-resistant form of IAA17.1 (IAA17.1m) led to growth inhibition of LRs, markedly reduced salt tolerance, increased reactive oxygen species (ROS) levels, and decreased flavonol content. We further identified that IAA17.1 can interact with the heat shock protein HSFA5a, which was highly expressed in roots and induced by salt stress. Overexpression of HSFA5a significantly increased flavonol content, reduced ROS accumulation, enhanced LR growth and salt tolerance in transgenic poplar. Moreover, HSFA5a could rescue the defective phenotypes caused by IAA17.1m. Expression analysis showed that genes associated with flavonol biosynthesis were altered in IAA17.1m- and HAFA5a-overexpressing plants. Furthermore, we identified that HSFA5a directly activated the expression of key enzyme genes in the flavonol biosynthesis pathway, while IAA17.1 suppressed HSFA5a-mediated activation of these genes. Collectively, the IAA17.1/HSFA5a module regulates flavonol biosynthesis, controls ROS accumulation, thereby modulating the root system of poplar to adapt to salt stress.
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Affiliation(s)
- Qin Song
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Fu He
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Three Gorges Regional Plant Genetics & Germplasm Enhancement (CTGU), Biotechnology Research Center, China Three Gorges University, Yichang, 443000, China
| | - Lingfei Kong
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Jiarui Yang
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Xiaojing Wang
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Zhengjie Zhao
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Yuqian Zhang
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Changzheng Xu
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Chunfen Fan
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Keming Luo
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China
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Altaf MA, Behera B, Mangal V, Singhal RK, Kumar R, More S, Naz S, Mandal S, Dey A, Saqib M, Kishan G, Kumar A, Singh B, Tiwari RK, Lal MK. Tolerance and adaptation mechanism of Solanaceous crops under salinity stress. FUNCTIONAL PLANT BIOLOGY : FPB 2024; 51:NULL. [PMID: 36356932 DOI: 10.1071/fp22158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Solanaceous crops act as a source of food, nutrition and medicine for humans. Soil salinity is a damaging environmental stress, causing significant reductions in cultivated land area, crop productivity and quality, especially under climate change. Solanaceous crops are extremely vulnerable to salinity stress due to high water requirements during the reproductive stage and the succulent nature of fruits and tubers. Salinity stress impedes morphological and anatomical development, which ultimately affect the production and productivity of the economic part of these crops. The morpho-physiological parameters such as root-to-shoot ratio, leaf area, biomass production, photosynthesis, hormonal balance, leaf water content are disturbed under salinity stress in Solanaceous crops. Moreover, the synthesis and signalling of reactive oxygen species, reactive nitrogen species, accumulation of compatible solutes, and osmoprotectant are significant under salinity stress which might be responsible for providing tolerance in these crops. The regulation at the molecular level is mediated by different genes, transcription factors, and proteins, which are vital in the tolerance mechanism. The present review aims to redraw the attention of the researchers to explore the mechanistic understanding and potential mitigation strategies against salinity stress in Solanaceous crops, which is an often-neglected commodity.
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Affiliation(s)
| | | | - Vikas Mangal
- ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India
| | - Rajesh Kumar Singhal
- ICAR-Indian Grassland and Fodder Research Institute, Jhansi, Uttar Pradesh, India
| | - Ravinder Kumar
- ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India
| | - Sanket More
- ICAR-Central Tuber Crops Research Institute, Thiruvananthapuram, Kerala, India
| | - Safina Naz
- Department of Horticulture, Bahauddin Zakariya University, Multan, Pakistan
| | - Sayanti Mandal
- Institute of Bioinformatics Biotechnology (IBB), Savitribai Phule Pune University (SPPU), Pune, Maharashtra, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata, West Bengal 700073, India
| | - Muhammad Saqib
- Department of Horticulture, Bahauddin Zakariya University, Multan, Pakistan
| | - Gopi Kishan
- ICAR-Indian Institute of Seed Science, Mau, Uttar Pradesh, India
| | - Awadhesh Kumar
- ICAR-National Rice Research Institute, Cuttack, Odisha, India
| | - Brajesh Singh
- ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India
| | - Rahul Kumar Tiwari
- ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India; and ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Milan Kumar Lal
- ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India; and ICAR-Indian Agricultural Research Institute, New Delhi, India
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Lindberg S, Premkumar A. Ion Changes and Signaling under Salt Stress in Wheat and Other Important Crops. PLANTS (BASEL, SWITZERLAND) 2023; 13:46. [PMID: 38202354 PMCID: PMC10780558 DOI: 10.3390/plants13010046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/14/2023] [Accepted: 12/16/2023] [Indexed: 01/12/2024]
Abstract
High concentrations of sodium (Na+), chloride (Cl-), calcium (Ca2+), and sulphate (SO42-) are frequently found in saline soils. Crop plants cannot successfully develop and produce because salt stress impairs the uptake of Ca2+, potassium (K+), and water into plant cells. Different intracellular and extracellular ionic concentrations change with salinity, including those of Ca2+, K+, and protons. These cations serve as stress signaling molecules in addition to being essential for ionic homeostasis and nutrition. Maintaining an appropriate K+:Na+ ratio is one crucial plant mechanism for salt tolerance, which is a complicated trait. Another important mechanism is the ability for fast extrusion of Na+ from the cytosol. Ca2+ is established as a ubiquitous secondary messenger, which transmits various stress signals into metabolic alterations that cause adaptive responses. When plants are under stress, the cytosolic-free Ca2+ concentration can rise to 10 times or more from its resting level of 50-100 nanomolar. Reactive oxygen species (ROS) are linked to the Ca2+ alterations and are produced by stress. Depending on the type, frequency, and intensity of the stress, the cytosolic Ca2+ signals oscillate, are transient, or persist for a longer period and exhibit specific "signatures". Both the influx and efflux of Ca2+ affect the length and amplitude of the signal. According to several reports, under stress Ca2+ alterations can occur not only in the cytoplasm of the cell but also in the cell walls, nucleus, and other cell organelles and the Ca2+ waves propagate through the whole plant. Here, we will focus on how wheat and other important crops absorb Na+, K+, and Cl- when plants are under salt stress, as well as how Ca2+, K+, and pH cause intracellular signaling and homeostasis. Similar mechanisms in the model plant Arabidopsis will also be considered. Knowledge of these processes is important for understanding how plants react to salinity stress and for the development of tolerant crops.
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Affiliation(s)
- Sylvia Lindberg
- Department of Ecology, Environment and Plant Sciences, Stockholm University, SE-114 18 Stockholm, Sweden
| | - Albert Premkumar
- Bharathiyar Group of Institutes, Guduvanchery 603202, Tamilnadu, India;
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Paiva FJDS, Lima GSD, Lima VLAD, Souza WBBD, Soares LADA, Torres RAF, Gheyi HR, Silva LDA, Sá FVDS, Sá VKNOD, Silva STDA, Fátima RTD, Fernandes PD, Almeida AKCD. The Effects of Irrigation Water Salinity on the Synthesis of Photosynthetic Pigments, Gas Exchange, and Photochemical Efficiency of Sour Passion Fruit Genotypes. PLANTS (BASEL, SWITZERLAND) 2023; 12:3894. [PMID: 38005791 PMCID: PMC10674665 DOI: 10.3390/plants12223894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/10/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023]
Abstract
The objective of this study was to evaluate the synthesis of photosynthetic pigments, gas exchange, and photochemical efficiency of sour passion fruit genotypes irrigated with saline water under the conditions of the semi-arid region of Paraíba state, Brazil. The experiment was conducted at the experimental farm in São Domingos, PB. A randomized block design was adopted, in a 5 × 3 factorial scheme, with five levels of electrical conductivity of irrigation water-ECw (0.3, 1.1, 1.9, 2.7, and 3.5 dS m-1)-and three genotypes of sour passion fruit (Gigante Amarelo-'BRS GA1'; Sol do Cerrado-'BRS SC1'; and Catarina-'SCS 437'. The increase in the electrical conductivity of irrigation water negatively affected most of the physiological characteristics of the sour passion fruit at 154 days after transplanting. Significant differences were observed between sour passion fruit genotypes when its tolerance was subjected to the salinity of irrigation water. There was an increase in the percentage of damage to the cell membrane with the increase in the electrical conductivity of irrigation water, with maximum values of 70.63, 60.86, and 80.35% for the genotypes 'BRS GA1', 'BRS SC1', and SCS 437', respectively, when irrigated with water of 3.5 dS m-1. The genotype 'BRS Sol do Cerrado' showed an increase in the synthesis of photosynthetic pigments when irrigated with water of 3.5 dS m-1, with maximum values estimated at 1439.23 μg mL-1 (Chl a); 290.96 μg mL-1 (Chl b); 1730.19 μg mL-1 (Chl t); and 365.84 μg mL-1 (carotenoids). An increase in photosynthetic efficiency parameters (F0, Fm, and Fv) of the genotype 'BRS Gigante Amarelo' was observed when cultivated with water with high electrical conductivity (3.5 dS m-1).
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Affiliation(s)
- Francisco Jean da Silva Paiva
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | - Geovani Soares de Lima
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | - Vera Lúcia Antunes de Lima
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | - Weslley Bruno Belo de Souza
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | | | | | - Hans Raj Gheyi
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | - Luderlândio de Andrade Silva
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | | | | | - Smyth Trotsk de Araújo Silva
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | - Reynaldo Teodoro de Fátima
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
| | - Pedro Dantas Fernandes
- Academic Unit of Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58430-380, PB, Brazil
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López-Serrano L, Martínez-Cuenca MR, López-Galarza S, Calatayud Á. Differential gene expression patterns and physiological responses improve adaptation to high salinity concentration in pepper accessions. PHYSIOLOGIA PLANTARUM 2023; 175:e14090. [PMID: 38148183 DOI: 10.1111/ppl.14090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 10/22/2023] [Accepted: 10/30/2023] [Indexed: 12/28/2023]
Abstract
High salinity decreases the productivity of crops worldwide. Pepper is particularly sensitive to high salt concentrations. Herein, we subjected three tolerant pepper accessions (C12, B14 and A25) to high sodium chloride concentration (70 mM NaCl). The aerial and root biomass, leaf and root osmotic potential (Ψπ ), Na+ , Cl- , K+ and proline concentrations and the relative expression of the putative genes CaSOS1, CaHKT1, three CaNHXs and CaP5CS were measured. Different salinity tolerance strategies depending on the pepper accession were identified. In C12, tolerance was attributed to the accumulation of Na+ in vacuoles and endosomes by the activation of vacuolar CaNHXs genes and the reduction in Ψπ ; additionally, the activation of CaHKT1 and CaSOS1 in leaves and roots moved and accumulated Na+ ions in the xylem and xylem parenchyma cells (XPC) as well as expulsed it out of the root cells. A25 accession, on the contrary, was specialized in compartmentalizing Na+ ions in root and leaf vacuoles and root XPC by the up-regulation of CaNHXs and CaHKT1, respectively, avoiding a toxic accumulation in leaves. Finally, B14 accession moved and accumulated Na+ in xylem and XPC, reducing its concentration in roots by the activation of CaSOS1 and CaHKT1. This study shade light on different tolerance mechanisms of pepper plants to overcome salt stress.
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Affiliation(s)
- Lidia López-Serrano
- Horticulture Department, Valencian Institute for Agricultural Research, Valencia, Spain
| | | | | | - Ángeles Calatayud
- Horticulture Department, Valencian Institute for Agricultural Research, Valencia, Spain
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Karimzadeh H, Borzouei A, Naserian B, Tabatabaee SA, Rahemi MR. Investigating the response mechanisms of bread wheat mutants to salt stress. Sci Rep 2023; 13:18605. [PMID: 37903829 PMCID: PMC10616188 DOI: 10.1038/s41598-023-45009-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 10/14/2023] [Indexed: 11/01/2023] Open
Abstract
Mutation breeding is among the most critical approaches to promoting genetic diversity when genetic diversity is narrowed for a long time using traditional breeding methods. In the current study, 15 wheat mutants created by gamma radiation and three salt-tolerant wheat cultivars were studied under no salinity stress (Karaj) and salinity stress (Yazd) during three consecutive growing seasons from 2017 to 2020 (M05 to M07 generations mutants). Results showed that salinity induced lipid peroxidation and enhanced ion leakage in all genotypes however, M6 and M15 showed the least ion leakage increment. It was also observed that the activity of antioxidant enzymes including SOD, CAT, POX, APX and GR increased with salinity; the maximum increase in antioxidant activity was belonged to M15, M09, M06 and M05. All genotypes had higher protein content in salinity stress conditions; M07 and M12 showed the lowest (1.8%) and the highest (17.3%) protein increase, respectively. Zeleny sedimentation volume increased under salinity stress conditions in all genotypes except M06, C2, C3, and M07. The result indicated that salinity stress increased wet gluten in all genotypes. M10 and M08 showed the highest (47.8%) and the lowest (4%) wet gluten increment, respectively. M06 and M11 mutants showed the lowest (6.1%) and the highest (60.7%) decrement of grain yield due to salinity stress, respectively. Finally, M04, M05, M07, M13, and M14 were known as genotypes with high grain yield in both no salinity and salinity stress conditions. In other word, these genotypes have higher yield stability. The results of the current study revealed that gamma irradiation could effectively be used to induce salinity tolerance in wheat.
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Affiliation(s)
- Hedayat Karimzadeh
- Agriculture Research School, Nuclear Science and Technology Research Institute, P. O. Box: 31485-498, Karaj, Iran
| | - Azam Borzouei
- Agriculture Research School, Nuclear Science and Technology Research Institute, P. O. Box: 31485-498, Karaj, Iran.
| | - Behnam Naserian
- Agriculture Research School, Nuclear Science and Technology Research Institute, P. O. Box: 31485-498, Karaj, Iran
| | - Seyyed Ali Tabatabaee
- Seed and Plant Improvement Research Department, Yazd Agricultural and Natural Research and Education Center, AREEO, Postal Box: 89165-571, Yazd, Iran
| | - Mohammad Reza Rahemi
- Agriculture Research School, Nuclear Science and Technology Research Institute, P. O. Box: 31485-498, Karaj, Iran
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Naseem A, Iqbal S, Jabeen K, Umar A, Alharbi K, Antar M, Grądecka-Jakubowska K, Gancarz M, Ali I. Organic amendments improve salinity-induced osmotic and oxidative stress tolerance in Okra (Abelmoschus esculentus (L.)Moench). BMC PLANT BIOLOGY 2023; 23:522. [PMID: 37891469 PMCID: PMC10605961 DOI: 10.1186/s12870-023-04527-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023]
Abstract
AIMS Salinity adversely affects okra [Abelmoschus esculentus (L.) Moench] plants by inducing osmotic and oxidative stresses. This study was designed to enhance salinity-induced osmotic and oxidative stress tolerance in okra plants by applying organic amendments. METHODS The effects of different organic amendments (municipal solid waste compost, farmyard manure (FYM) and press mud) on osmotic potential, water use efficiency, activities of antioxidant enzymes, total soluble sugar, total soluble proline, total soluble protein and malondialdehyde (MDA) contents of okra plants grown under saline conditions (50 mM sodium chloride) were evaluated in a pot experiment. The organic amendments were applied each at the rate of 5% and 10% per pot or in various combinations (compost + FYM, FYM + press mud and compost + press mud each at the rate of 2.5% and 5% per pot). RESULTS As compared to control, high total soluble sugar (60.41), total soluble proline (33.88%) and MDA (51%) contents and increased activities of antioxidant enzymes [superoxide dismutase (83.54%), catalase (78.61%), peroxidase (53.57%] in salinity-stressed okra plants, were indicative of oxidative stress. Salinity significantly reduced the osmotic potential (41.78%) and water use efficiency (4.75%) of okra plants compared to control. Under saline conditions, 5% (farmyard manure + press mud) was the most effective treatment, which significantly improved osmotic potential (27.05%), total soluble sugar (4.20%), total soluble protein (73.62%) and total soluble proline (23.20%) contents and superoxide dismutase activity (32.41%), compared to saline soil. Application of 2.5% (FYM + press mud), 5% press mud, and 10% compost significantly reduced MDA content (27%) and improved activities of catalase (38.64%) and peroxidase (48.29%), respectively, compared to saline soil, thus facilitated to alleviate oxidative stress in okra plants. CONCLUSIONS Using organic amendments (municipal solid waste compost, farmyard manure and press mud) was a cost-effective approach to improve salinity-induced osmotic and oxidative stress tolerance in okra plants.
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Affiliation(s)
- Alia Naseem
- Department of Botany, Lahore College for Women University, Lahore, Pakistan
| | - Sumera Iqbal
- Department of Botany, Lahore College for Women University, Lahore, Pakistan.
| | - Khajista Jabeen
- Department of Botany, Lahore College for Women University, Lahore, Pakistan
| | - Aisha Umar
- Department of Botany, Lahore College for Women University, Lahore, Pakistan
- Institute of Botany, University of the Punjab, Lahore, Pakistan
| | - Khadiga Alharbi
- Department of Biology, College of science, Princess Nourah bint Abdulrahman University, P.O.Box 84428, Riyadh, 11671, Saudi Arabia
| | - Mohammed Antar
- Department of Plant Science, McGill University, Sainte-Anne-de-Bellevue, Quebec, H9X 3V9, Canada
| | - Katarzyna Grądecka-Jakubowska
- Faculty of Production and Power Engineering, University of Agriculture in Krakow, Balicka 116B, Krakow, 30-149, Poland
| | - Marek Gancarz
- Faculty of Production and Power Engineering, University of Agriculture in Krakow, Balicka 116B, Krakow, 30-149, Poland
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, Lublin, 20-290, Poland
| | - Iftikhar Ali
- Department of Genetics and Development, Columbia University Irving Medical Center, New York, NY, 10032, USA
- School of Life Sciences & Center of Novel Biomaterials, The Chinese University of Hong Kong, Shatin, Hong Kong
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Sóti A, Ounoki R, Kósa A, Mysliwa-Kurdziel B, Sárvári É, Solymosi K. Ionic, not the osmotic component, is responsible for the salinity-induced inhibition of greening in etiolated wheat (Triticum aestivum L. cv. Mv Béres) leaves: a comparative study. PLANTA 2023; 258:102. [PMID: 37861810 PMCID: PMC10589150 DOI: 10.1007/s00425-023-04255-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 09/27/2023] [Indexed: 10/21/2023]
Abstract
MAIN CONCLUSION Greening was partially (in 300 mM NaCl, CaCl2, 600 mM KNO3 or KCl) or fully inhibited (in 600 mM NaCl, NaNO3 or NaCl:KCl) by the ionic and not the osmotic component of salinity. Although high soil salinity is an increasing global problem, not much is known about how direct exposure to salinity affects etiolated leaves of seedlings germinating in the soil and then reaching the surface. We investigated the effect of various salt treatments on the greening process of leaves in 8- to 11-day-old etiolated wheat (Triticum aestivum L. Mv. Béres) seedlings. Etiolated leaf segments pre-treated on different salt (600 mM NaCl:KCl 1:1, 600 mM NaCl, 600 mM KCl, 600 mM NaNO3, 600 mM KNO3, 300 mM KCl, 300 mM NaCl or 300 mM CaCl2) or isosmotic polyethylene glycol 6000 (PEG) solutions for 1.5 h in the dark and then greened for 16 h on the same solutions were studied. Leaf segments greened on PEG (osmotic stress) or on 300 mM KCl had similar chloroplasts compared to control samples greened on Hoagland solution. Slightly slower development of chloroplast structure and function (photosynthetic activity) was observed in segments greened on 300 mM NaCl or CaCl2, 600 mM KNO3 or KCl. However, etioplast-to-chloroplast transformation and chlorophyll accumulation were fully inhibited and peculiar prothylakoid swelling occurred in segments greened on 600 mM NaCl, NaNO3 or NaCl:KCl (1:1) solutions. The data indicate that not the high osmolarity of the used salt solution, but its ions, especially Na+, had the strongest negative impact on these processes.
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Affiliation(s)
- Adél Sóti
- Department of Plant Anatomy, Institute of Biology, Faculty of Science, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Roumaissa Ounoki
- Department of Plant Anatomy, Institute of Biology, Faculty of Science, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Annamária Kósa
- Department of Plant Anatomy, Institute of Biology, Faculty of Science, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Beata Mysliwa-Kurdziel
- Department of Plant Physiology and Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland
| | - Éva Sárvári
- Department of Plant Physiology and Molecular Plant Biology, Institute of Biology, Faculty of Science, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Katalin Solymosi
- Department of Plant Anatomy, Institute of Biology, Faculty of Science, ELTE Eötvös Loránd University, Budapest, Hungary.
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Ntanasi T, Karavidas I, Zioviris G, Ziogas I, Karaolani M, Fortis D, Conesa MÀ, Schubert A, Savvas D, Ntatsi G. Assessment of Growth, Yield, and Nutrient Uptake of Mediterranean Tomato Landraces in Response to Salinity Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:3551. [PMID: 37896015 PMCID: PMC10610299 DOI: 10.3390/plants12203551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/06/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023]
Abstract
Salinity is a major stress factor that compromises vegetable production in semi-arid climates such as the Mediterranean. The accumulation of salts in the soil can be attributed to limited water availability, which can be exacerbated by changes in rainfall patterns and rising temperatures. These factors can alter soil moisture levels and evaporation rates, ultimately leading to an increase in soil salinity, and, concomitantly, the extent to which crop yield is affected by salinity stress is considered cultivar-dependent. In contrast to tomato hybrids, tomato landraces often exhibit greater genetic diversity and resilience to environmental stresses, constituting valuable resources for breeding programs seeking to introduce new tolerance mechanisms. Therefore, in the present study, we investigated the effects of mild salinity stress on the growth, yield, and nutritional status of sixteen Mediterranean tomato landraces of all size types that had been pre-selected as salinity tolerant in previous screening trials. The experiment was carried out in the greenhouse facilities of the Laboratory of Vegetable Production at the Agricultural University of Athens. To induce salinity stress, plants were grown hydroponically and irrigated with a nutrient solution containing NaCl at a concentration that could maintain the NaCl level in the root zone at 30 mM, while the non-salt-treated plants were irrigated with a nutrient solution containing 0.5 mM NaCl. Various plant growth parameters, including dry matter content and fruit yield (measured by the number and weight of fruits per plant), were evaluated to assess the impact of salinity stress. In addition, the nutritional status of the plants was assessed by determining the concentrations of macro- and micronutrients in the leaves, roots, and fruit of the plants. The key results of this study reveal that cherry-type tomato landraces exhibit the highest tolerance to salinity stress, as the landraces 'Cherry-INRAE (1)', 'Cherry-INRAE (3)', and 'Cherry-INRAE (4)' did not experience a decrease in yield when exposed to salinity stress. However, larger landraces such as 'de Ramellet' also exhibit mechanisms conferring tolerance to salinity, as their yield was not compromised by the stress applied. The identified tolerant and resistant varieties could potentially be used in breeding programs to develop new varieties and hybrids that are better adapted to salinity-affected environments. The identification and utilization of tomato varieties that are adapted to salinity stress is an important strategy for promoting agriculture sustainability, particularly in semi-arid regions where salinity stress is a major challenge.
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Affiliation(s)
- Theodora Ntanasi
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
| | - Ioannis Karavidas
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
| | - Georgios Zioviris
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
| | - Ioannis Ziogas
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
| | - Melini Karaolani
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
| | - Dimitrios Fortis
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
| | - Miquel À. Conesa
- INAGEA-PlantMed, Departament de Biologia, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, E-07122 Palma, Illes Balears, Spain;
| | - Andrea Schubert
- Plant Stress Lab, Department of Agriculture, Forestry and Food Sciences DISAFA, Turin University, 10095 Grugliasco, Italy;
| | - Dimitrios Savvas
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
| | - Georgia Ntatsi
- Laboratory of Vegetable Production, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (T.N.); (I.K.); (G.Z.); (I.Z.); (M.K.); (D.F.); (D.S.)
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Rawat A, Völz R, Sheikh A, Mariappan KG, Kim SK, Rayapuram N, Alwutayd KM, Alidrissi LK, Benhamed M, Blilou I, Hirt H. Salinity stress-induced phosphorylation of INDETERMINATE-DOMAIN 4 (IDD4) by MPK6 regulates plant growth adaptation in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2023; 14:1265687. [PMID: 37881611 PMCID: PMC10595144 DOI: 10.3389/fpls.2023.1265687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 09/25/2023] [Indexed: 10/27/2023]
Abstract
The INDETERMINATE DOMAIN (IDD) family belongs to a group of plant-specific transcription factors that coordinates plant growth/development and immunity. However, the function and mode of action of IDDs during abiotic stress, such as salt, are poorly understood. We used idd4 transgenic lines and screened them under salt stress to find the involvement of IDD4 in salinity stress tolerance The genetic disruption of IDD4 increases salt-tolerance, characterized by sustained plant growth, improved Na+/K+ ratio, and decreased stomatal density/aperture. Yet, IDD4 overexpressing plants were hypersensitive to salt-stress with an increase in stomatal density and pore size. Transcriptomic and ChIP-seq analyses revealed that IDD4 directly controls an important set of genes involved in abiotic stress/salinity responses. Interestingly, using anti-IDD4-pS73 antibody we discovered that IDD4 is specifically phosphorylated at serine-73 by MPK6 in vivo under salinity stress. Analysis of plants expressing the phospho-dead and phospho-mimicking IDD4 versions proved that phosphorylation of IDD4 plays a crucial role in plant transcriptional reprogramming of salt-stress genes. Altogether, we show that salt stress adaption involves MPK6 phosphorylation of IDD4 thereby regulating IDD4 DNA-binding and expression of target genes.
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Affiliation(s)
- Anamika Rawat
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Ronny Völz
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Arsheed Sheikh
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Kiruthiga G. Mariappan
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Soon-Kap Kim
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Naganand Rayapuram
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Khairiah M. Alwutayd
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Louai K. Alidrissi
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Moussa Benhamed
- Institute of Plant Sciences Paris-Saclay IPS2, CNRS, INRA, Université Paris-Sud, Université Evry, Université Paris-Saclay, Orsay, France
| | - Ikram Blilou
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Heribert Hirt
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Max F. Perutz Laboratories, University of Vienna, Vienna, Austria
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Rai GK, Mishra S, Chouhan R, Mushtaq M, Chowdhary AA, Rai PK, Kumar RR, Kumar P, Perez-Alfocea F, Colla G, Cardarelli M, Srivastava V, Gandhi SG. Plant salinity stress, sensing, and its mitigation through WRKY. FRONTIERS IN PLANT SCIENCE 2023; 14:1238507. [PMID: 37860245 PMCID: PMC10582725 DOI: 10.3389/fpls.2023.1238507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 08/31/2023] [Indexed: 10/21/2023]
Abstract
Salinity or salt stress has deleterious effects on plant growth and development. It imposes osmotic, ionic, and secondary stresses, including oxidative stress on the plants and is responsible for the reduction of overall crop productivity and therefore challenges global food security. Plants respond to salinity, by triggering homoeostatic mechanisms that counter salt-triggered disturbances in the physiology and biochemistry of plants. This involves the activation of many signaling components such as SOS pathway, ABA pathway, and ROS and osmotic stress signaling. These biochemical responses are accompanied by transcriptional modulation of stress-responsive genes, which is mostly mediated by salt-induced transcription factor (TF) activity. Among the TFs, the multifaceted significance of WRKY proteins has been realized in many diverse avenues of plants' life including regulation of plant stress response. Therefore, in this review, we aimed to highlight the significance of salinity in a global perspective, the mechanism of salt sensing in plants, and the contribution of WRKYs in the modulation of plants' response to salinity stress. This review will be a substantial tool to investigate this problem in different perspectives, targeting WRKY and offering directions to better manage salinity stress in the field to ensure food security.
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Affiliation(s)
- Gyanendra Kumar Rai
- School of Biotechnology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Jammu, India
| | - Sonal Mishra
- Department of Botany, School of Life Sciences, Central University of Jammu, Samba, Jammu & Kashmir, India
| | - Rekha Chouhan
- Infectious Diseases Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Integrative Medicine (CSIR-IIIM), Jammu, India
| | - Muntazir Mushtaq
- School of Biotechnology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Jammu, India
| | - Aksar Ali Chowdhary
- Department of Botany, School of Life Sciences, Central University of Jammu, Samba, Jammu & Kashmir, India
| | - Pradeep K. Rai
- Advance Center for Horticulture Research, Udheywala, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Jammu & Kashmir, India
| | - Ranjeet Ranjan Kumar
- Division of Biochemistry, Indian Council of Agricultural Research (ICAR), Indian Agricultural Research Institute, New Delhi, India
| | - Pradeep Kumar
- Division of Integrated Farming System, Central Arid Zone Research Institute, Indian Council of Agricultural Research (ICAR), Jodhpur, India
| | - Francisco Perez-Alfocea
- Department of Nutrition, Centre for Applied Soil Science and Biology of the Segura (CEBAS), of the Spanish National Research Council (CSIC), Murcia, Spain
| | - Giuseppe Colla
- Department of Agriculture and Forest Sciences, University of Tuscia, Viterbo, Italy
| | | | - Vikas Srivastava
- Department of Botany, School of Life Sciences, Central University of Jammu, Samba, Jammu & Kashmir, India
| | - Sumit G. Gandhi
- Infectious Diseases Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Integrative Medicine (CSIR-IIIM), Jammu, India
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50
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Matkowski H, Daszkowska-Golec A. Update on stomata development and action under abiotic stress. FRONTIERS IN PLANT SCIENCE 2023; 14:1270180. [PMID: 37849845 PMCID: PMC10577295 DOI: 10.3389/fpls.2023.1270180] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/14/2023] [Indexed: 10/19/2023]
Abstract
Stomata, key gatekeepers of plant hydration, have long been known to play a pivotal role in mitigating the impacts of abiotic stressors. However, the complex molecular mechanisms underscoring this role remain unresolved fully and continue to be the subject of research. In the context of water-use efficiency (WUE), a key indicator of a plant's ability to conserve water, this aspect links intrinsically with stomatal behavior. Given the pivotal role of stomata in modulating water loss, it can be argued that the complex mechanisms governing stomatal development and function will significantly influence a plant's WUE under different abiotic stress conditions. Addressing these calls for a concerted effort to strengthen plant adaptability through advanced, targeted research. In this vein, recent studies have illuminated how specific stressors trigger alterations in gene expression, orchestrating changes in stomatal pattern, structure, and opening. This reveals a complex interplay between stress stimuli and regulatory sequences of essential genes implicated in stomatal development, such as MUTE, SPCH, and FAMA. This review synthesizes current discoveries on the molecular foundations of stomatal development and behavior in various stress conditions and their implications for WUE. It highlights the imperative for continued exploration, as understanding and leveraging these mechanisms guarantee enhanced plant resilience amid an ever-changing climatic landscape.
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Affiliation(s)
| | - Agata Daszkowska-Golec
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Katowice, Poland
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