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Forlani G, Sabbioni G, Barera S, Funck D. A complex array of factors regulate the activity of Arabidopsis thaliana δ 1 -pyrroline-5-carboxylate synthetase isoenzymes to ensure their specific role in plant cell metabolism. PLANT, CELL & ENVIRONMENT 2024; 47:1348-1362. [PMID: 38223941 DOI: 10.1111/pce.14817] [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: 10/17/2023] [Revised: 12/20/2023] [Accepted: 01/02/2024] [Indexed: 01/16/2024]
Abstract
The first and committed step in proline synthesis from glutamate is catalyzed by δ1 -pyrroline-5-carboxylate synthetase (P5CS). Two P5CS genes have been found in most angiosperms, one constitutively expressed to satisfy proline demand for protein synthesis, the other stress-induced. Despite the number of papers to investigate regulation at the transcriptional level, to date, the properties of the enzymes have been subjected to limited study. The isolation of Arabidopsis thaliana P5CS isoenzymes was achieved through heterologous expression and affinity purification. The two proteins were characterized with respect to kinetic and biochemical properties. AtP5CS2 showed KM values in the micro- to millimolar range, and its activity was inhibited by NADP+ , ADP and proline, and by glutamine and arginine at high levels. Mg2+ ions were required for activity, which was further stimulated by K+ and other cations. AtP5CS1 displayed positive cooperativity with glutamate and was almost insensitive to inhibition by proline. In the presence of physiological, nonsaturating concentrations of glutamate, proline was slightly stimulatory, and glutamine strongly increased the catalytic rate. Data suggest that the activity of AtP5CS isoenzymes is differentially regulated by a complex array of factors including the concentrations of proline, glutamate, glutamine, monovalent cations and pyridine dinucleotides.
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Affiliation(s)
- Giuseppe Forlani
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Giuseppe Sabbioni
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Simone Barera
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Dietmar Funck
- Department of Chemistry, University of Konstanz, Konstanz, Germany
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Zhang DJ, Tong CL, Wang QS, Bie S. Mycorrhizas Affect Physiological Performance, Antioxidant System, Photosynthesis, Endogenous Hormones, and Water Content in Cotton under Salt Stress. PLANTS (BASEL, SWITZERLAND) 2024; 13:805. [PMID: 38592780 PMCID: PMC10975513 DOI: 10.3390/plants13060805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/15/2024] [Accepted: 02/21/2024] [Indexed: 04/11/2024]
Abstract
Saline-alkali stress seriously endangers the normal growth of cotton (Gossypium hirsutum). Arbuscular mycorrhizal fungi (AMF) could enhance salt tolerance by establishing symbiotic relationships with plants. Based on it, a pot experiment was conducted to simulate a salt environment in which cotton was inoculated with Paraglomus occultum to explore its effects on the saline-alkali tolerance of cotton. Our results showed that salt stress noticeably decreased cotton seedling growth parameters (such as plant height, number of leaves, dry weight, root system architecture, etc.), while AMF exhibited a remarkable effect on promoting growth. It was noteworthy that AMF significantly mitigated the inhibitory effect of salt on cotton seedlings. However, AMF colonization in root and soil hyphal length were collectively descended via salt stress. With regard to osmotic regulating substances, Pro and MDA values in roots were significantly increased when seedlings were exposed to salt stress, while AMF only partially mitigated these reactions. Salt stress increased ROS levels in the roots of cotton seedlings and enhanced antioxidant enzyme activity (SOD, POD, and CAT), while AMF mitigated the increases in ROS levels but further strengthened antioxidant enzyme activity. AMF inoculation increased the photosynthesis parameters of cotton seedling leaves to varying degrees, while salt stress decreased them dramatically. When inoculated with AMF under a salt stress environment, only partial mitigation of these photosynthesis values was observed. Under saline-alkali stress, AMF improved the leaf fluorescence parameters (φPSII, Fv'/Fm', and qP) of cotton seedlings, leaf chlorophyll levels, and root endogenous hormones (IAA and BR); promoted the absorption of water; and maintained nitrogen balance, thus alleviating the damage from salt stress on the growth of cotton plants to some extent. In summary, mycorrhizal cotton seedlings may exhibit mechanisms involving root system architecture, the antioxidant system, photosynthesis, leaf fluorescence, endogenous hormones, water content, and nitrogen balance that increase their resistance to saline-alkali environments. This study provide a theoretical basis for further exploring the application of AMF to enhance the salt tolerance of cotton.
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Affiliation(s)
- De-Jian Zhang
- Key Laboratory of Cotton Biology and Breeding in the Middle Reaches of the Yangtze River, Ministry of Agriculture, Industrial Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan 430064, China;
- Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Horticulture and Gardening, Yangtze University, Jingzhou 434023, China
| | - Cui-Ling Tong
- Jingzhou Institute of Technology, Jingzhou 434020, China
| | - Qiong-Shan Wang
- Key Laboratory of Cotton Biology and Breeding in the Middle Reaches of the Yangtze River, Ministry of Agriculture, Industrial Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan 430064, China;
| | - Shu Bie
- Key Laboratory of Cotton Biology and Breeding in the Middle Reaches of the Yangtze River, Ministry of Agriculture, Industrial Crops Institute, Hubei Academy of Agricultural Sciences, Wuhan 430064, China;
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Hasanuzzaman M, Nowroz F, Raihan MRH, Siddika A, Alam MM, Prasad PVV. Application of biochar and humic acid improves the physiological and biochemical processes of rice (Oryza sativa L.) in conferring plant tolerance to arsenic-induced oxidative stress. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:1562-1575. [PMID: 38047999 DOI: 10.1007/s11356-023-31119-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: 08/09/2023] [Accepted: 11/15/2023] [Indexed: 12/05/2023]
Abstract
Biochar (BC) and humic acid (HA) are well-documented in metal/metalloid detoxification, but their regulatory role in conferring plant oxidative stress under arsenic (As) stress is poorly understood. Therefore, we aimed at investigating the role of BC and HA (0.2 and 0.4 g kg-1 soil) in the detoxification of As (0.25 mM sodium arsenate) toxicity in rice (Oryza sativa L. cv. BRRI dhan75). Arsenic exhibited an increased lipid peroxidation, hydrogen peroxide, electrolyte leakage, and proline content which were 32, 30, 9, and 89% higher compared to control. In addition, the antioxidant defense system of rice consisting of non-enzyme antioxidants (18 and 43% decrease in ascorbate and glutathione content) and enzyme activities (23-50% reduction over control) was decreased as a result of As toxicity. The damaging effect of As was prominent in plant height, biomass acquisition, tiller number, and relative water content. Furthermore, chlorophyll and leaf area also exhibited a decreasing trend due to toxicity. Arsenic exposure also disrupted the glyoxalase system (23 and 33% decrease in glyoxalase I and glyoxalase II activities). However, the application of BC and HA recovered the reactive oxygen species-induced damages in plants, upregulated the effectiveness of the ascorbate-glutathione pool, and accelerated the activities of antioxidant defense and glyoxalase enzymes. These positive roles of BC and HA ultimately resulted in improved plant characteristics with better plant-water status and regulated proline content that conferred As stress tolerance in rice. So, it can be concluded that BC and HA effectively mitigated As-induced physiology and oxidative damage in rice plants. Therefore, BC and HA could be used as potential soil amendments in As-contaminated rice fields.
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Affiliation(s)
- Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-E-Bangla Nagar, Dhaka, 1207, Bangladesh.
| | - Farzana Nowroz
- Department of Agronomy, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-E-Bangla Nagar, Dhaka, 1207, Bangladesh
| | - Md Rakib Hossain Raihan
- Laboratory of Bioclimatology, Department of Ecology and Environmental Protection, Poznań University of Life Sciences, Piątkowska 94, 60-649, Poznan, Poland
| | - Ayesha Siddika
- Department of Agronomy, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-E-Bangla Nagar, Dhaka, 1207, Bangladesh
| | - Md Mahabub Alam
- Department of Agronomy, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-E-Bangla Nagar, Dhaka, 1207, Bangladesh
| | - P V Vara Prasad
- Department of Agronomy, Kansas State University, Manhattan, KS, 66506, USA
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Li J, Liu J, Zhu K, Liu S. Transcriptome Analysis of Maize Ear Leaves Treated with Long-Term Straw Return plus Nitrogen Fertilizer under the Wheat-Maize Rotation System. PLANTS (BASEL, SWITZERLAND) 2023; 12:3868. [PMID: 38005765 PMCID: PMC10674774 DOI: 10.3390/plants12223868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/06/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023]
Abstract
Straw return (SR) plus nitrogen (N) fertilizer has become a practical field management mode to improve soil fertility and crop yield in North China. This study aims to explore the relationship among organic waste, mineral nutrient utilization, and crop yield under SRN mode. The fertilizer treatments included unfertilized (CK), SR (straws from wheat and corn), N fertilizer (N), and SR plus N fertilizer (SRN). SRN treatment not only significantly increased the grain yield, net photosynthetic rate, and transpiration rate but also enhanced the contents of chlorophyll, soluble sugar, and soluble protein and increased the activities of antioxidant enzymes but reduced intercellular CO2 concentration and malondialdehyde (MDA) content when compared to other treatments. There were 2572, 1258, and 3395 differentially expressed genes (DEGs) identified from the paired comparisons of SRvsCK, NvsCK, and SRNvsCK, respectively. The transcript levels of many promising genes involved in the transport and assimilation of potassium, phosphate, and nitrogen, as well as the metabolisms of sugar, lipid, and protein, were down-regulated by straw returning under N treatment. SRN treatment maintained the maximum maize grain yield by regulating a series of genes' expressions to reduce nutrient shortage stress and to enhance the photosynthesis of ear leaves at the maize grain filling stage. This study would deepen the understanding of complex molecular mechanisms among organic waste, mineral nutrient utilization, crop yield, and quality.
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Affiliation(s)
- Jun Li
- College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China;
| | - Jintao Liu
- School of Engineering, Universidad de Almería, ES04120 Almería, Spain;
| | - Kaili Zhu
- College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China;
| | - Shutang Liu
- College of Resources and Environment, Qingdao Agricultural University, Qingdao 266109, China
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Chen B, Liu T, Yang Z, Yang S, Chen J. PacBio Full-Length Transcriptome Sequencing Reveals the Mechanism of Salt Stress Response in Sonneratia apetala. PLANTS (BASEL, SWITZERLAND) 2023; 12:3849. [PMID: 38005746 PMCID: PMC10675792 DOI: 10.3390/plants12223849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/09/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023]
Abstract
Sonneratia apetala is an essential mangrove wetland restoration tree species. Studying its molecular mechanism for salt tolerance could lay a foundation for further cultivating excellent resistant germplasm. This study used a combination of PacBio isoform sequencing (Iso-seq) and BGISEQ RNA sequencing (RNA-seq) to analyze the molecular mechanism to salt stress response of one-year-old S. apetala leaves. The growth and physiological analysis showed that physiological indexes such as growth rate, net photosynthetic rate and antioxidant enzyme activity all exhibit significant changes under salt stress. From Iso-seq, a total of 295,501 full-length transcripts, with an average length of 1418 bp, were obtained. RNA-seq produced 4712 differentially expressed genes (DEGs) as compared to a control group. Of these, 930 were identified to be co-expressed during the STEM time sequence analysis. Further, 715 and 444 co-expressed DEGs were annotated by GO and KEGG analyses, respectively. Moreover, 318 of the co-expressed DEGs were annotated as essential genes that were implicated in salt stress response of S. apetala, which were involved in transcription factors, signal transduction, hormone response, ROS homeostasis, osmotic balance, cell wall synthesis or modification. These results provide candidate targets for further characterization and offer insights into the salt-tolerant mechanism of S. apetala.
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Affiliation(s)
- Beibei Chen
- Mangrove Research Center of Guangdong Ocean University, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China; (B.C.); (T.L.); (Z.Y.); (S.Y.)
| | - Tingting Liu
- Mangrove Research Center of Guangdong Ocean University, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China; (B.C.); (T.L.); (Z.Y.); (S.Y.)
| | - Zhuanying Yang
- Mangrove Research Center of Guangdong Ocean University, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China; (B.C.); (T.L.); (Z.Y.); (S.Y.)
| | - Shaoxia Yang
- Mangrove Research Center of Guangdong Ocean University, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang 524088, China; (B.C.); (T.L.); (Z.Y.); (S.Y.)
| | - Jinhui Chen
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya 572019, China
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Zhang S, Li C, Wu J, Peng S, Wu W, Liao L. Properties investigations of rape stalks fermented by different salt concentration: Effect of volatile compounds and physicochemical indexes. Food Chem X 2023; 18:100746. [PMID: 37397190 PMCID: PMC10314211 DOI: 10.1016/j.fochx.2023.100746] [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: 10/21/2022] [Revised: 06/01/2023] [Accepted: 06/06/2023] [Indexed: 07/04/2023] Open
Abstract
In order to find out the effect of salt concentration on fermented rape stalks, the physicochemical quality and volatile components was investigated using high performance liquid chromatography (HPLC) and headspace solid phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC-MS). The results showed that there were abundant kinds of free amino acids (FAAs) in all samples, mainly presenting sweet, umami and bitter taste. Through taste activity value (TAV), His, Glu, and Ala contributed significantly to the taste of the sample. 51 volatile components were identified, of which the relative contents of ketones and alcohols were high. By the relative odor activity value (ROAV) analysis, the main components that had a great impact on the flavor were phenylacetaldehyde, β-Ionone, ethyl palmitate and furanone. Adjusting the appropriate salt concentration for fermentation could improve the comprehensive quality of fermented rape stalks and promote the development and utilization of rape products.
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Affiliation(s)
| | | | | | | | - Weiguo Wu
- Corresponding authors at: No.1, Nongda Road, Furong District, Changsha, Hunan, 410128, China.
| | - Luyan Liao
- Corresponding authors at: No.1, Nongda Road, Furong District, Changsha, Hunan, 410128, China.
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Hasanuzzaman M, Raihan MRH, Nowroz F, Nahar K. Insight into the physiological and biochemical mechanisms of biostimulating effect of Ascophyllum nodosum and Moringa oleifera extracts to minimize cadmium-induced oxidative stress in rice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:55298-55313. [PMID: 36890405 DOI: 10.1007/s11356-023-26251-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
Cadmium (Cd) is a serious threat for environmental sustainability as it can be taken up quickly by plants and transported to the food chain of living organisms. It alters plants' metabolic and physiological activities and causes yield loss, thereby, enhancing plant tolerance to Cd stress is of utmost essential. Therefore, an experiment was executed to investigate the potential role of Ascophyllum nodosum extract (ANE) and moringa (Moringa oleifera) leaf extract (MLE) to confer Cd tolerance in rice (Oryza sativa cv. BRRI dhan89). Thirty-five-day-old seedling was subjected to Cd stress (50 mg kg-1 CdCl2) alone and in a combination of ANE (0.25%) or MLE (0.5%) in a semi-controlled net house. Exposure to Cd resulted in accelerated production of reactive oxygen species, enhanced lipid peroxidation, and disrupted antioxidant defense and glyoxalase system, thus retarded plant growth, biomass production, and yield attributes of rice. On the contrary, the supplementation of ANE or MLE enhanced the contents of ascorbate and glutathione, and the activities of antioxidant enzymes such as ascorbate peroxidase, dehydroascorbate reductase, monodehydroascorbate reductase, glutathione reductase, glutathione peroxidase, and catalase. Moreover, supplementation of ANE and MLE enhanced the activities of glyoxalase I and glyoxalase II which prevented the overgeneration of methylglyoxal in Cd stressed rice plants. Thus, because of ANE and MLE addition Cd-induced rice plants showed a noticeable declination in membrane lipid peroxidation, hydrogen peroxide generation, and electrolyte leakage, whereas improved water balance. Furthermore, the growth and yield attributes of Cd-affected rice plants were improved with the supplementation of ANE and MLE. All the studied parameters indicates the potential role of ANE and MLE in mitigating Cd stress in rice plants through improving the physiological attributes, modulating antioxidant defense and glyoxalase system.
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Affiliation(s)
- Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, 1207, Bangladesh.
| | - Md Rakib Hossain Raihan
- Department of Agronomy, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, 1207, Bangladesh
| | - Farzana Nowroz
- Department of Agronomy, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, 1207, Bangladesh
| | - Kamrun Nahar
- Department of Agricultural Botany, Faculty of Agriculture, Sher-E-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, 1207, Bangladesh
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Accumulation of Proline in Plants under Contaminated Soils—Are We on the Same Page? Antioxidants (Basel) 2023; 12:antiox12030666. [PMID: 36978914 PMCID: PMC10045403 DOI: 10.3390/antiox12030666] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/10/2023] Open
Abstract
Agricultural soil degradation is occurring at unprecedented rates, not only as an indirect effect of climate change (CC) but also due to intensified agricultural practices which affect soil properties and biodiversity. Therefore, understanding the impacts of CC and soil degradation on plant physiology is crucial for the sustainable development of mitigation strategies to prevent crop productivity losses. The amino acid proline has long been recognized for playing distinct roles in plant cells undergoing osmotic stress. Due to its osmoprotectant and redox-buffering ability, a positive correlation between proline accumulation and plants’ tolerance to abiotic stress has been pointed out in numerous reviews. Indeed, proline quantification is used systematically by plant physiologists as an indicator of the degree of tolerance and a measurement of the antioxidant potential in plants under stressful conditions. Moreover, the exogenous application of proline has been shown to increase resilience to several stress factors, including those related to soil degradation such as salinity and exposure to metals and xenobiotics. However, recent data from several studies often refer to proline accumulation as a signal of stress sensitivity with no clear correlation with improved antioxidant activity or higher stress tolerance, including when proline is used exogenously as a stress reliever. Nevertheless, endogenous proline levels are strongly modified by these stresses, proving its involvement in plant responses. Hence, one main question arises—is proline augmentation always a sign of improved stress resilience? From this perspective, the present review aims to provide a more comprehensive understanding of the implications of proline accumulation in plants under abiotic stress induced by soil degradation factors, reinforcing the idea that proline quantification should not be employed as a sole indicator of stress sensitivity or resilience but rather complemented with further biochemical and physiological endpoints.
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Singh M, Nara U, Kumar A, Choudhary A, Singh H, Thapa S. Salinity tolerance mechanisms and their breeding implications. J Genet Eng Biotechnol 2021; 19:173. [PMID: 34751850 PMCID: PMC8578521 DOI: 10.1186/s43141-021-00274-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 10/26/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND The era of first green revolution brought about by the application of chemical fertilizers surely led to the explosion of food grains, but left behind the notable problem of salinity. Continuous application of these fertilizers coupled with fertilizer-responsive crops make the country self-reliant, but continuous deposition of these led to altered the water potential and thus negatively affecting the proper plant functioning from germination to seed setting. MAIN BODY Increased concentration of anion and cations and their accumulation and distribution cause cellular toxicity and ionic imbalance. Plants respond to salinity stress by any one of two mechanisms, viz., escape or tolerate, by either limiting their entry via root system or controlling their distribution and storage. However, the understanding of tolerance mechanism at the physiological, biochemical, and molecular levels will provide an insight for the identification of related genes and their introgression to make the crop more resilient against salinity stress. SHORT CONCLUSION Novel emerging approaches of plant breeding and biotechnologies such as genome-wide association studies, mutational breeding, marker-assisted breeding, double haploid production, hyperspectral imaging, and CRISPR/Cas serve as engineering tools for dissecting the in-depth physiological mechanisms. These techniques have well-established implications to understand plants' adaptions to develop more tolerant varieties and lower the energy expenditure in response to stress and, constitutively fulfill the void that would have led to growth resistance and yield penalty.
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Affiliation(s)
- Mandeep Singh
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, Punjab, 141004, India.
| | - Usha Nara
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
| | - Antul Kumar
- Department of Botany, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
| | - Anuj Choudhary
- Department of Botany, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
| | - Hardeep Singh
- Department of Agronomy, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
| | - Sittal Thapa
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, Punjab, 141004, India
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Safavi‐Rizi V, Uellendahl K, Öhrlein B, Safavi‐Rizi H, Stöhr C. Cross-stress tolerance: Mild nitrogen (N) deficiency effects on drought stress response of tomato ( Solanum lycopersicum L.). PLANT-ENVIRONMENT INTERACTIONS (HOBOKEN, N.J.) 2021; 2:217-228. [PMID: 37284511 PMCID: PMC10168089 DOI: 10.1002/pei3.10060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 08/24/2021] [Accepted: 08/31/2021] [Indexed: 06/08/2023]
Abstract
Climate change will lead to more frequent and severe drought periods which massively reduce crop production worldwide. Besides drought, nitrogen (N)-deficiency is another critical threat to crop yield production. Drought and N-deficiency both decrease photosynthesis and induce similar adaptive strategies such as longer roots, reduction of biomass, induction of reactive oxygen species (ROS), and antioxidative enzymes. Due to the overlapping response to N-deficiency and drought, understanding the physiological and molecular mechanisms involved in cross-stresses tolerance is crucial for breeding strategies and achieving multiple stress resistance and eventually more sustainable agriculture. The objective of this study was to investigate the effect of a mild N-deficiency on drought stress tolerance of tomato plants (Solanum lycopersicum L., cv. Moneymaker). Various morphological and physiological parameters such as dry biomass, root length, water potential, SPAD values, stomatal conductance, and compatible solutes accumulation (proline and sugar) were analyzed. Moreover, the expression of ROS scavenging marker genes, cytosolic ASCORBATE PEROXIDASES (cAPX1, cAPX2, and cAPX3), were investigated. Our results showed that a former mild N-deficiency (2 mM NO3 -) enhances plant adaptive response to drought stress (4 days) when compared to the plants treated with adequate N (5 mM NO3 -). The improved adaptive response was reflected in higher aboveground biomass, longer root, increased specific leaf weight, enhanced stomatal conductance (without reducing water content), and higher leaf sugar content. Moreover, the APX1 gene showed a higher expression level compared to control under N-deficiency and in combination with drought in the leaf, after a one-week recovery period. Our finding highlights a potentially positive link between a former mild N-deficiency and subsequent drought stress response in tomato. Combining the morphological and physiological response with underlying gene regulatory networks under consecutive stress, provide a powerful tool for improving multiple stress resistance in tomato which can be further transferred to other economically important crops.
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Affiliation(s)
- Vajiheh Safavi‐Rizi
- Department of Plant physiologyInstitute of Botany and Landscape EcologyUniversity of GreifswaldGreifswaldGermany
| | - Kora Uellendahl
- Department of Plant physiologyInstitute of Botany and Landscape EcologyUniversity of GreifswaldGreifswaldGermany
| | - Britta Öhrlein
- Department of Plant physiologyInstitute of Botany and Landscape EcologyUniversity of GreifswaldGreifswaldGermany
| | - Hamid Safavi‐Rizi
- Department of Information Technology EngineeringInstitute of Information Technology and Computer EngineeringUniversity of Payame noorIsfahanIran
| | - Christine Stöhr
- Department of Plant physiologyInstitute of Botany and Landscape EcologyUniversity of GreifswaldGreifswaldGermany
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Chen Y, Huang W, Zhang F, Luo X, Hu B, Xie J. Metabolomic Profiling of Dongxiang Wild Rice Under Salinity Demonstrates the Significant Role of Amino Acids in Rice Salt Stress. FRONTIERS IN PLANT SCIENCE 2021; 12:729004. [PMID: 34630473 PMCID: PMC8494129 DOI: 10.3389/fpls.2021.729004] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 08/20/2021] [Indexed: 06/13/2023]
Abstract
Dongxiang common wild rice is a precious rice germplasm resource for the study and improvement of salt tolerance in rice.The metabolism profile of Dongxiang wild rice (DXWR) under salinity was determined by high performance liquid chromatography-mass spectrometry (HPLC-MS) to find differential metabolites and screen potential biomarkers for salt-tolerant rice varieties. A global untargeted metabolism analysis showed 4,878 metabolites accumulated in seedlings of Dongxiang wild rice. Principal component analysis (PCA) and orthogonal partial least squares-discriminant analysis (OPLS-DA) results provided a clear metabolism discrimination between DXWR under control and DXWR under salinity. A total of 90 metabolites were significantly changed (49 upregulated and 41 downregulated) under salinity, of which the largest increase was in DL-2-Aminoadipic acid (27.08-fold) and the largest decrease was in L-Carnitine (0.014-fold). Amino acids and nuclear glycosides were mainly upregulated, while carbohydrates and organic acids were mainly downregulated in the salt-treated group. Among the top 10 upregulated metabolites, five kinds of differential metabolites were amino acids. According to the survival rates of the seedlings under salinity, we selected three backcross inbred lines of DXWR with survival rates above 80% as salt-tolerant progenies (pro-DS) and three backcross inbred lines with survival rates below 10% as non-salt-tolerant progenies (pro-NDS) for an amino acid change analysis. This analysis found that the change in L-Asparagine (2.59-fold) was the biggest between pro-DS and pro-NDS under salinity, revealing that the contents of L-Asparagine may be one of the indices we can use to evaluate the salt tolerance of rice varieties.
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Affiliation(s)
- Yaling Chen
- Laboratory of Plant Genetic Improvement and Biotechnology, Jiangxi Normal University, Nanchang, China
| | - Wenxue Huang
- Laboratory of Plant Genetic Improvement and Biotechnology, Jiangxi Normal University, Nanchang, China
| | - Fantao Zhang
- Laboratory of Plant Genetic Improvement and Biotechnology, Jiangxi Normal University, Nanchang, China
| | - Xiangdong Luo
- Laboratory of Plant Genetic Improvement and Biotechnology, Jiangxi Normal University, Nanchang, China
| | - Biaolin Hu
- Rice Research Institute, Jiangxi Academy of Agricultural Sciences, Rice National Engineering Laboratory, Nanchang, China
| | - Jiankun Xie
- Laboratory of Plant Genetic Improvement and Biotechnology, Jiangxi Normal University, Nanchang, China
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Expression of AhATL1, an ABA Transport Factor Gene from Peanut, Is Affected by Altered Memory Gene Expression Patterns and Increased Tolerance to Drought Stress in Arabidopsis. Int J Mol Sci 2021; 22:ijms22073398. [PMID: 33806243 PMCID: PMC8037416 DOI: 10.3390/ijms22073398] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 11/17/2022] Open
Abstract
Arachis hypogaea abscisic acid transporter like-1 (AhATL1) modulates abscisic acid (ABA) sensitivity by specifically influencing the importing of ABA into cells, and is a key player in plant stress responses. However, there is limited information on ABA transporters in crops. In this study, we found that the level of AhATL1 expression and AhATL1 distribution increased more rapidly in the second drought (D2) compared with in the first drought (D1). Compared with the first recovery (R1), the AhATL1 expression level and ABA content remained at a higher level during the second recovery (R2). The heterologous overexpression of AhATL1 in Arabidopsis changed the expression pattern of certain memory genes and changed the post response gene type into the memory gene type. Regarding the proline and water content of Col (Arabidopsis thaliana L. Heynh., Col-0), atabcg22, and AhATL1-OX during drought training, the second drought (D2) was more severe than the first drought (D1), which was more conducive to maintaining the cell osmotic balance and resisting drought. In summary, drought stress memory resulted in a rapid increase in the AhATL1 expression and AhATL1 distribution level, and then raised the endogenous ABA content and changed the post response gene type into the memory gene type, which enhanced the drought resistance and recovery ability.
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Sabbioni G, Funck D, Forlani G. Enzymology and Regulation of δ 1-Pyrroline-5-Carboxylate Synthetase 2 From Rice. FRONTIERS IN PLANT SCIENCE 2021; 12:672702. [PMID: 34603346 PMCID: PMC8480329 DOI: 10.3389/fpls.2021.672702] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 08/10/2021] [Indexed: 05/16/2023]
Abstract
Under several stress conditions, such as excess salt and drought, many plants accumulate proline inside the cell, which is believed to help counteracting the adverse effects of low water potential. This increase mainly relies upon transcriptional induction of δ1-pyrroline-5-carboxylate synthetase (P5CS), the enzyme that catalyzes the first two steps in proline biosynthesis from glutamate. P5CS mediates both the phosphorylation of glutamate and the reduction of γ-glutamylphosphate to glutamate-5-semialdehyde, which spontaneously cyclizes to δ1-pyrroline-5-carboxylate (P5C). In most higher plants, two isoforms of P5CS have been found, one constitutively expressed to satisfy proline demand for protein synthesis, the other stress-induced. Despite the number of papers to investigate the regulation of P5CS at the transcriptional level, to date, the properties of the enzyme have been only poorly studied. As a consequence, the descriptions of post-translational regulatory mechanisms have largely been limited to feedback-inhibition by proline. Here, we report cloning and heterologous expression of P5CS2 from Oryza sativa. The protein has been fully characterized from a functional point of view, using an assay method that allows following the physiological reaction of the enzyme. Kinetic analyses show that the activity is subjected to a wide array of regulatory mechanisms, ranging from product inhibition to feedback inhibition by proline and other amino acids. These findings confirm long-hypothesized influences of both, the redox status of the cell and nitrogen availability, on proline biosynthesis.
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Affiliation(s)
- Giuseppe Sabbioni
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Dietmar Funck
- Plant Physiology and Biochemistry Laboratory, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Giuseppe Forlani
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
- *Correspondence: Giuseppe Forlani,
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Song L, Pan Y, Gong J, Li X, Liu M, Yang B, Zhang Z, Baoyin T. Physiology of Leymus chinensis under seasonal grazing: Implications for the development of sustainable grazing in a temperate grassland of Inner Mongolia. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 271:110984. [PMID: 32579531 DOI: 10.1016/j.jenvman.2020.110984] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/17/2020] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
Plants have different physiological characteristics as the season changes, grazing management in compliance with plant growth and development characteristics may provide new ideas for sustainable livestock development. However, there has been little research on seasonal grazing and plants physiological responses under it. Here, we studied a typical steppe ecosystem of Inner Mongolia, with Leymus chinensis as the dominant species, in five grazing treatments: continuous grazing, seasonal grazing (which started in spring or in early and late summer), and no grazing (the control). We analyzed growth and resistance of L. chinensis in the five treatments by measuring annual primary productivity, morphological traits and various physiological processes. Compared with continuous grazing, seasonal grazing significantly alleviated grassland degradation. The plants were less affected by stress under spring grazing, with net photosynthesis and non-photochemical quenching closer to the control values and with a lower malondialdehyde content. The annual primary production of plants under grazing started in the early and late summer were 3-4 times the value under continuous grazing. Regrowth under early-summer grazing was greatly improved, and stress resistance was stronger with a higher proline content and high antioxidant enzyme activity. And nutrient accumulation at the end of the growing season such as abundant soluble sugars were transferred from aboveground tissue to the roots in September under late-summer grazing, which benefited regrowth the next year. All these physiological processes were regulated by hormonal changes. Our results highlight how plants response grazing stress in different growing seasons and suggest that seasonal grazing can improve the stress resistance and regrowth capacity of forage vegetation, and applying this knowledge can promote more sustainable grazing practices.
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Affiliation(s)
- Liangyuan Song
- State Key Laboratory of Surface Processes and Resource Ecology, Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Yan Pan
- State Key Laboratory of Surface Processes and Resource Ecology, Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China; The High School Affiliated to University of Science & Technology Beijing, PR China
| | - Jirui Gong
- State Key Laboratory of Surface Processes and Resource Ecology, Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China.
| | - Xiaobing Li
- State Key Laboratory of Surface Processes and Resource Ecology, Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Min Liu
- State Key Laboratory of Surface Processes and Resource Ecology, Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China; Key Laboratory of Tourism and Resources Environment in Taishan University, Taian, 271021, China
| | - Bo Yang
- State Key Laboratory of Surface Processes and Resource Ecology, Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Zihe Zhang
- State Key Laboratory of Surface Processes and Resource Ecology, Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, China
| | - Taogetao Baoyin
- College of Life Sciences, Inner Mongolia University, Hohhot, 010021, PR China.
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15
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Funck D, Baumgarten L, Stift M, von Wirén N, Schönemann L. Differential Contribution of P5CS Isoforms to Stress Tolerance in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2020; 11:565134. [PMID: 33101333 PMCID: PMC7545825 DOI: 10.3389/fpls.2020.565134] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/09/2020] [Indexed: 05/24/2023]
Abstract
Proline accumulation is a widespread response of plants to salt stress as well as drought and cold stress. In most plant species, two isoforms of pyrroline-5-carboxylate synthetase (P5CS) catalyze the first step in proline biosynthesis from glutamate. In Arabidopsis, these isoforms differ in their spatial and temporal expression patterns, suggesting sub-functionalization. P5CS1 has been identified as the major contributor to stress-induced proline accumulation, whereas P5CS2 has been considered important for embryo development and growth. In contrast to previous results, our analysis of P5CS1- and P5CS2-GFP fusion proteins indicates that both enzymes were exclusively localized in the cytosol. The comparison of the susceptibility of p5cs1 and p5cs2 mutants to infection with Pseudomonas syringae and salt stress provided novel information on the contribution of the two P5CS isoforms to proline accumulation and stress tolerance. In agreement with previous studies, salt-stressed p5cs1 mutants accumulated very little proline, indicating that P5CS1 contributed more to stress-induced proline accumulation, whereas its impact on stress tolerance was rather weak. Germination and establishment of p5cs2 mutants were impaired under ambient conditions, further supporting that P5CS2 is most important for growth and development, whereas its contribution to stress-induced proline accumulation was smaller than that of P5CS1. In contrast to p5cs1 mutants or wildtype plants, p5cs2 mutants were only weakly affected by sudden exposure to a high NaCl concentration. These findings show that proline content, which was intermediate in leaves of p5cs2 mutants, was not directly correlated with stress tolerance in our experiments. In rosettes of NaCl-exposed p5cs2 mutants, nearly no accumulation of Na+ was observed, and the plants showed neither chlorosis nor reduction of photosynthesis. Based on these data, we suggest a function of P5CS2 or P5CS2-mediated proline synthesis in regulating Na+ accumulation in leaves and thereby salt stress tolerance.
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Affiliation(s)
- Dietmar Funck
- Department of Biology, University of Konstanz, Konstanz, Germany
| | - Lukas Baumgarten
- Department of Biology, University of Konstanz, Konstanz, Germany
| | - Marc Stift
- Department of Biology, University of Konstanz, Konstanz, Germany
| | - Nicolaus von Wirén
- Molecular Plant Nutrition, Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Germany
| | - Luise Schönemann
- Department of Biology, University of Konstanz, Konstanz, Germany
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Comparing Salt Tolerance at Seedling and Germination Stages in Local Populations of Medicago ciliaris L. to Medicago intertexta L. and Medicago scutellata L. PLANTS 2020; 9:plants9040526. [PMID: 32325817 PMCID: PMC7238089 DOI: 10.3390/plants9040526] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 04/11/2020] [Accepted: 04/16/2020] [Indexed: 12/14/2022]
Abstract
Salt stress is one of the most serious environmental stressors that affect productivity of salt-sensitive crops. Medicago ciliaris is an annual legume whose adaptation to agroclimatic conditions has not been well described. This study focused on the salinity tolerance of M. ciliaris genotypes compared to M. intertexta and M. scutellata in terms of plant growth, physiology, and biochemistry. Salt tolerance was determined at both germination and early seedling growth. Germination and hydroponic assays were used with exposing seeds to 0, 50, 100, 150, and 200 mM NaCl. Among seven genotypes of M. ciliaris studied, Pop1, 355, and 667, were most salt tolerant. Populations like 355 and 667 showed marked tolerance to salinity at both germination and seedling stages (TI ≤1, SI(FGP) > 0 increased FGP ≥ 20% and SI(DW) < 0 (DW decline ≤ 20%); at 100 mM); while Pop1 was the most salt tolerant one at seedling stages with (TI =1.79, SI(FGP) < 0 decline of FGP ≤ 40% and with increased DW to 79%); at 150 mM NaCl). The genotypes, 306, 773, and M. scutellata, were moderately tolerant to salt stress depending on salt concentration. Our study may be used as an efficient strategy to reveal genetic variation in response to salt stress. This approach allows selection for desirable traits, enabling more efficient applications in breeding methods to achieve stress-tolerant M. ciliaris populations.
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Forlani G, Funck D. A Specific and Sensitive Enzymatic Assay for the Quantitation of L-Proline. FRONTIERS IN PLANT SCIENCE 2020; 11:582026. [PMID: 33193529 PMCID: PMC7642206 DOI: 10.3389/fpls.2020.582026] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 09/30/2020] [Indexed: 05/08/2023]
Abstract
Because proline accumulates rapidly in response to several stress conditions such as drought and excess salt, increased intracellular levels of free proline are considered a hallmark of adaptive reactions in plants, particularly in response to water stress. Proline quantitation is easily achievable by reaction with ninhydrin, since under acidic conditions peculiar red or yellow reaction products form with this unique cyclic amino acid. However, little attention has been paid to date to cross-reaction of ninhydrin with other amino acids at high levels, or with structurally related compounds that may also be present at significant concentrations in plant tissues, possibly leading to proline overestimation. In vitro at high pH values, δ1-pyrroline-5-carboxylate reductase, the enzyme catalyzing the second and last step in proline synthesis from glutamate, was early found to catalyze the reverse oxidation of proline with the concomitant reduction of NAD(P)+ to NAD(P)H. Here we characterized this reverse reaction using recombinant enzymes from Arabidopsis thaliana and Oryza sativa, and demonstrated its utility for the specific quantification of L-proline. By optimizing the reaction conditions, fast, easy, and reproducible measurement of L-proline concentration was achieved, with similar sensitivity but higher specificity than the commonly used ninhydrin methods.
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Affiliation(s)
- Giuseppe Forlani
- Department of Life Science and Biotechnology, University of Ferrara, Ferrara, Italy
- *Correspondence: Giuseppe Forlani,
| | - Dietmar Funck
- Laboratory of Plant Physiology and Biochemistry, Department of Biology, University of Konstanz, Konstanz, Germany
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Abdel Latef AAH, Kordrostami M, Zakir A, Zaki H, Saleh OM. Eustress with H 2O 2 Facilitates Plant Growth by Improving Tolerance to Salt Stress in Two Wheat Cultivars. PLANTS (BASEL, SWITZERLAND) 2019; 8:E303. [PMID: 31461870 PMCID: PMC6783893 DOI: 10.3390/plants8090303] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/16/2019] [Accepted: 08/19/2019] [Indexed: 12/27/2022]
Abstract
In this study, the positive role of hydrogen peroxide (H2O2) pretreatment in mitigating the adverse impacts of seawater stress has been evaluated in two wheat (Triticum aestivum L.) cultivars, namely Gemmiza 11 as a salt-sensitive and Misr 1 as a salt-tolerant cultivar, with contrasting phenotypes in response to the salinity stress. Under normal conditions, wheat seeds eustress with H2O2 have shown significant effects on the improvement of plant growth parameters, such as dry weight and root and shoot lengths. Under salt stress conditions, seeds eustress with H2O2 have shown a reduction in damage to plant growth and physiological parameters as compared to the seeds kept as un-primed in both wheat cultivars. In addition, eustress of seeds with H2O2 has induced an increment in the pigments content, proline level and mineral uptake (K+, Ca2+ and Mg2+). Moreover, seeds eustress with H2O2 have shown significant decrement in Na+ content uptake in plants and that subsequently reduced lipid peroxidation. Seawater stress has increased the activity of the antioxidant system based on catalase (CAT), peroxidase (POD) and ascorbate peroxidase (APX) in both cultivars, except POD in Gemmiza 11. Similarly, the application of H2O2 has further enhanced the activity of the antioxidant system in stressed plants and this enhancement of the antioxidant system further reduced Na+ content in plants and subsequently increased the growth parameters. Results of inter-simple sequence repeat (ISSR) markers have shown clear differentiation among the treatments and have provided strong evidence in support of the hypothesis proposed in this study that H2O2 eustress improves seed tolerance and enhances plant growth parameters under seawater stress.
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Affiliation(s)
- Arafat Abdel Hamed Abdel Latef
- Botany and Microbiology Department, Faculty of Science, South Valley University, 83523 Qena, Egypt.
- Biology Department, Turabah University College, Taif University, Turabah Branch, 21955 Taif, Saudi Arabia.
| | - Mojtaba Kordrostami
- Department of Plant Biotechnology, Faculty of Agricultural Sciences, University of Guilan, P.O. Box 41635-1314 Rasht, Iran
- Rice Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), P.O. Box 41996-13475 Rasht, Iran
| | - Ali Zakir
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari-Campus, Vehari 61100, Pakistan
| | - Hoida Zaki
- Botany and Microbiology Department, Faculty of Science, South Valley University, 83523 Qena, Egypt
| | - Osama Moseilhy Saleh
- National Products Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, Nasr City, 11787 Cairo, Egypt
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