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Chaouachi L, Marín-Sanz M, Barro F, Karmous C. Study of the genetic variability of durum wheat ( Triticum durum Desf.) in the face of combined stress: water and heat. AOB PLANTS 2024; 16:plad085. [PMID: 38204894 PMCID: PMC10781440 DOI: 10.1093/aobpla/plad085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 11/29/2023] [Indexed: 01/12/2024]
Abstract
The devastating effects and extent of abiotic stress on cereal production continue to increase globally, affecting food security in several countries, including Tunisia. Heat waves and the scarcity of rainfall strongly affect durum wheat yields. The present study aims to screen for tolerance to combined water and heat stresses in durum wheat at the juvenile stage. Three combined treatments were tested, namely: T0 (100% field capacity (FC) at 24 °C), T1 (50% FC at 30 °C), and T2 (25% FC at 35 °C). The screening was carried out based on morphological, physiological, and biochemical criteria. The results showed that the combined stress significantly affected all the measured parameters. The relative water content (RWC) decreased by 37.6% under T1 compared to T0. Quantum yield (Fv/m) and photosynthetic efficiency (Fv/0) decreased under severe combined stress (T2) by 37.15% and 37.22%, respectively. Under T2 stress, LT increased by 63.7%. A significant increase in osmoprotective solutes was also observed, including proline, which increased by 154.6% under T2. Correlation analyses of the combination of water and heat stress confirm that the traits RWC, chlorophyll b content, Fv/m, proline content, Fv/0 and leaf temperature can be used as reliable screening criteria for the two stresses combined. The principal component analysis highlighted that Aouija tolerates the two levels of stresses studied, while the genotypes Karim and Hmira are the most sensitive. The results show that the tolerance of durum wheat to combined water and heat stress involves several adaptation mechanisms proportional to the stress intensity.
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Affiliation(s)
- Latifa Chaouachi
- Laboratory of Genetics and Cereal Breeding (LR14 AGR01), National Institute of Agronomy of Tunisia, Carthage University, 1082 Tunis, Tunisia
| | - Miriam Marín-Sanz
- Department of Plant Breeding, Institute for Sustainable Agriculture-Spanish National Research Council (IAS-CSIC), 14004 Córdoba, Spain
| | - Francisco Barro
- Department of Plant Breeding, Institute for Sustainable Agriculture-Spanish National Research Council (IAS-CSIC), 14004 Córdoba, Spain
| | - Chahine Karmous
- Laboratory of Genetics and Cereal Breeding (LR14 AGR01), National Institute of Agronomy of Tunisia, Carthage University, 1082 Tunis, Tunisia
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Urra M, Buezo J, Royo B, Cornejo A, López-Gómez P, Cerdán D, Esteban R, Martínez-Merino V, Gogorcena Y, Tavladoraki P, Moran JF. The importance of the urea cycle and its relationships to polyamine metabolism during ammonium stress in Medicago truncatula. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:5581-5595. [PMID: 35608836 PMCID: PMC9467648 DOI: 10.1093/jxb/erac235] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/20/2022] [Indexed: 05/26/2023]
Abstract
The ornithine-urea cycle (urea cycle) makes a significant contribution to the metabolic responses of lower photosynthetic eukaryotes to episodes of high nitrogen availability. In this study, we compared the role of the plant urea cycle and its relationships to polyamine metabolism in ammonium-fed and nitrate-fed Medicago truncatula plants. High ammonium resulted in the accumulation of ammonium and pathway intermediates, particularly glutamine, arginine, ornithine, and putrescine. Arginine decarboxylase activity was decreased in roots, suggesting that the ornithine decarboxylase-dependent production of putrescine was important in situations of ammonium stress. The activity of copper amine oxidase, which releases ammonium from putrescine, was significantly decreased in both shoots and roots. In addition, physiological concentrations of ammonium inhibited copper amine oxidase activity in in vitro assays, supporting the conclusion that high ammonium accumulation favors putrescine synthesis. Moreover, early supplementation of plants with putrescine avoided ammonium toxicity. The levels of transcripts encoding urea-cycle-related proteins were increased and transcripts involved in polyamine catabolism were decreased under high ammonium concentrations. We conclude that the urea cycle and associated polyamine metabolism function as important protective mechanisms limiting ammonium toxicity in M. truncatula. These findings demonstrate the relevance of the urea cycle to polyamine metabolism in higher plants.
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Affiliation(s)
- Marina Urra
- Present address: Department of Forest Engineering, Forest Management Planning and Terrestrial Measurements, University of Transilvania, 1, Ludwig van Beethoven Str., 500123 Brașov, Romania
| | - Javier Buezo
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Department of Sciences, Public University of Navarre (UPNA), Avda. de Pamplona 123, 31192 Mutilva, Spain
| | - Beatriz Royo
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Department of Sciences, Public University of Navarre (UPNA), Avda. de Pamplona 123, 31192 Mutilva, Spain
| | - Alfonso Cornejo
- Institute for Advanced Materials and Mathematics (INAMAT2), Department of Sciences, Public University of Navarre (UPNA), Campus de Arrosadía, 31006 Pamplona, Spain
| | - Pedro López-Gómez
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Department of Sciences, Public University of Navarre (UPNA), Avda. de Pamplona 123, 31192 Mutilva, Spain
| | - Daniel Cerdán
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Department of Sciences, Public University of Navarre (UPNA), Avda. de Pamplona 123, 31192 Mutilva, Spain
| | - Raquel Esteban
- Department of Plant Biology and Ecology, University of the Basque Country (UPV/EHU), Sarriena s/n, Apdo. 644, 48080 Bilbao, Spain
| | - Víctor Martínez-Merino
- Institute for Advanced Materials and Mathematics (INAMAT2), Department of Sciences, Public University of Navarre (UPNA), Campus de Arrosadía, 31006 Pamplona, Spain
| | - Yolanda Gogorcena
- Department of Pomology, Aula Dei Experimental Station, Consejo Superior de Investigaciones Científicas (CSIC), Avda. de Montañana 1005, 50059 Zaragoza, Spain
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Gholizadeh F, Janda T, Gondor OK, Pál M, Szalai G, Sadeghi A, Turkoglu A. Improvement of Drought Tolerance by Exogenous Spermidine in Germinating Wheat ( Triticum aestivum L.) Plants Is Accompanied with Changes in Metabolite Composition. Int J Mol Sci 2022; 23:ijms23169047. [PMID: 36012316 PMCID: PMC9409228 DOI: 10.3390/ijms23169047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/01/2022] [Accepted: 08/03/2022] [Indexed: 11/16/2022] Open
Abstract
Drought is one of the most important environmental factors reducing the yield and production of crops, including wheat. Polyamines are closely associated with plant stress tolerance. The present study investigated the mechanisms through seed germination with spermidine protecting wheat varieties from drought stress. In the first experiment, the effects of spermidine on the germination of wheat varieties, namely Rakhshan, Mihan, Sirvan and Pishgam, were investigated in three drought levels, namely 0, −2, and −4 MPa induced by polyethylene glycol 6000. Analysis of variance indicated that spermidine, drought stress and interaction between varieties and drought stress were significant for all traits, and with severity of stress, all traits significantly decreased. In the second experiment, detailed gene expression and non-targeted metabolomics analyses were carried out using the Rakhshan and Mihan varieties after germination, with or without spermidine treatment and/or drought stress. According to the biomass parameters, the Mihan variety showed relatively better growth compared to the other variety, but the Rakhshan one showed more pronounced responses at gene expression level to exogenous spermidine than the Mihan variety. Overall, these results showed that spermidine increased the drought tolerance of wheat at the germination stage, due to specific role of polyamine metabolism in the development of effective responses under drought stress.
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Affiliation(s)
- Fatemeh Gholizadeh
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, 2462 Martonvásár, Hungary
- Department of Plant Production and Genetics, Faculty of Agriculture, University of Kurdistan, Sanandaj 66177-15175, Iran
- Correspondence: (F.G.); (T.J.); Tel.: +36-302-190-530 (F.G.)
| | - Tibor Janda
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, 2462 Martonvásár, Hungary
- Correspondence: (F.G.); (T.J.); Tel.: +36-302-190-530 (F.G.)
| | - Orsolya Kinga Gondor
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, 2462 Martonvásár, Hungary
| | - Magda Pál
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, 2462 Martonvásár, Hungary
| | - Gabriella Szalai
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, 2462 Martonvásár, Hungary
| | - Amirali Sadeghi
- Department of Agrotechnology, Ferdowsi University of Mashhad, Mashhad 91779-48974, Iran
| | - Aras Turkoglu
- Department of Field Crops, Faculty of Agriculture, Necmettin Erbakan University, Konya 42310, Türkiye
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Nai G, Liang G, Ma W, Lu S, Li Y, Gou H, Guo L, Chen B, Mao J. Overexpression VaPYL9 improves cold tolerance in tomato by regulating key genes in hormone signaling and antioxidant enzyme. BMC PLANT BIOLOGY 2022; 22:344. [PMID: 35840891 PMCID: PMC9284830 DOI: 10.1186/s12870-022-03704-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 06/17/2022] [Indexed: 06/02/2023]
Abstract
BACKGROUND Abscisic acid (ABA) has been reported in controlling plant growth and development, and particularly dominates a role in resistance to abiotic stress. The Pyrabactin Resistance1/PYR1-Like /Regulatory Components of ABA receptors (PYR1/PYL/RCAR) gene family, of which the PYL9 is a positive regulator related to stress response in ABA signaling transduction. Although the family has been identified in grape, detailed VaPYL9 function in cold stress remains unknown. RESULTS In order to explore the cold tolerance mechanism in grape, VaPYL9 was cloned from Vitis amurensis. The subcellular localization showed that VaPYL9 was mainly expressed in the plasma membrane. Yeast two-hybrid (Y2H) showed VaPCMT might be a potential interaction protein of VaPYL9. Through the overexpression of VaPYL9 in tomatoes, results indicated transgenic plants had higher antioxidant enzyme activities and proline content, lower malondialdehyde (MDA) and H2O2 content, and improving the ability to scavenge reactive oxygen species than wild-type (WT). Additionally, ABA content and the ratio of ABA/IAA kept a higher level than WT. Quantitative real-time PCR (qRT-PCR) showed that VaPYL9, SlNCED3, SlABI5, and antioxidant enzyme genes (POD, SOD, CAT) were up-regulated in transgenic tomatoes. Transcriptome sequencing (RNA-seq) found that VaPYL9 overexpression caused the upregulation of key genes PYR/PYL, PYL4, MAPK17/18, and WRKY in transgenic tomatoes under cold stress. CONCLUSION Overexpression VaPYL9 enhances cold resistance of transgenic tomatoes mediated by improving antioxidant enzymes activity, reducing membrane damages, and regulating key genes in plant hormones signaling and antioxidant enzymes.
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Affiliation(s)
- Guojie Nai
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Guoping Liang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Weifeng Ma
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Shixiong Lu
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Yanmei Li
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Huimin Gou
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Lili Guo
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Baihong Chen
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China
| | - Juan Mao
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, People's Republic of China.
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Wahab A, Abdi G, Saleem MH, Ali B, Ullah S, Shah W, Mumtaz S, Yasin G, Muresan CC, Marc RA. Plants' Physio-Biochemical and Phyto-Hormonal Responses to Alleviate the Adverse Effects of Drought Stress: A Comprehensive Review. PLANTS (BASEL, SWITZERLAND) 2022; 11:1620. [PMID: 35807572 PMCID: PMC9269229 DOI: 10.3390/plants11131620] [Citation(s) in RCA: 75] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 05/19/2023]
Abstract
Water, a necessary component of cell protoplasm, plays an essential role in supporting life on Earth; nevertheless, extreme changes in climatic conditions limit water availability, causing numerous issues, such as the current water-scarce regimes in many regions of the biome. This review aims to collect data from various published studies in the literature to understand and critically analyze plants' morphological, growth, yield, and physio-biochemical responses to drought stress and their potential to modulate and nullify the damaging effects of drought stress via activating natural physiological and biochemical mechanisms. In addition, the review described current breakthroughs in understanding how plant hormones influence drought stress responses and phytohormonal interaction through signaling under water stress regimes. The information for this review was systematically gathered from different global search engines and the scientific literature databases Science Direct, including Google Scholar, Web of Science, related studies, published books, and articles. Drought stress is a significant obstacle to meeting food demand for the world's constantly growing population. Plants cope with stress regimes through changes to cellular osmotic potential, water potential, and activation of natural defense systems in the form of antioxidant enzymes and accumulation of osmolytes including proteins, proline, glycine betaine, phenolic compounds, and soluble sugars. Phytohormones modulate developmental processes and signaling networks, which aid in acclimating plants to biotic and abiotic challenges and, consequently, their survival. Significant progress has been made for jasmonates, salicylic acid, and ethylene in identifying important components and understanding their roles in plant responses to abiotic stress. Other plant hormones, such as abscisic acid, auxin, gibberellic acid, brassinosteroids, and peptide hormones, have been linked to plant defense signaling pathways in various ways.
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Affiliation(s)
- Abdul Wahab
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China;
| | - Gholamreza Abdi
- Department of Biotechnology, Persian Gulf Research Institute, Persian Gulf University, Bushehr 75169, Iran;
| | - Muhammad Hamzah Saleem
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Baber Ali
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Saqib Ullah
- Department of Botany, Islamia College, Peshawar 25120, Pakistan;
| | - Wadood Shah
- Department of Botany, University of Peshawar, Peshawar 25120, Pakistan;
| | - Sahar Mumtaz
- Department of Botany, Division of Science and Technology, University of Education, Lahore 54770, Pakistan;
| | - Ghulam Yasin
- Department of Botany, Bahauddin Zakariya University, Multan 60800, Pakistan;
| | - Crina Carmen Muresan
- Food Engineering Department, Faculty of Food Science and Technology, University of Agricultural Science and Veterinary Medicine Cluj-Napoca, 3-5 Calea Mănăştur Street, 400372 Cluj-Napoca, Romania;
| | - Romina Alina Marc
- Food Engineering Department, Faculty of Food Science and Technology, University of Agricultural Science and Veterinary Medicine Cluj-Napoca, 3-5 Calea Mănăştur Street, 400372 Cluj-Napoca, Romania;
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Lai C, Zhou X, Zhang S, Zhang X, Liu M, Zhang C, Xu X, Xu X, Chen X, Chen Y, Lin W, Lai Z, Lin Y. PAs Regulate Early Somatic Embryo Development by Changing the Gene Expression Level and the Hormonal Balance in Dimocarpus longan Lour. Genes (Basel) 2022; 13:genes13020317. [PMID: 35205362 PMCID: PMC8872317 DOI: 10.3390/genes13020317] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 02/01/2023] Open
Abstract
Polyamines (PAs) play an important regulatory role in many basic cellular processes and physiological and biochemical processes. However, there are few studies on the identification of PA biosynthesis and metabolism family members and the role of PAs in the transition of plant embryogenic calli (EC) into globular embryos (GE), especially in perennial woody plants. We identified 20 genes involved in PA biosynthesis and metabolism from the third-generation genome of longan (Dimocarpus longan Lour.). There were no significant differences between longan and other species regarding the number of members, and they had high similarity with Citrus sinensis. Light, plant hormones and a variety of stress cis-acting elements were found in these family members. The biosynthesis and metabolism of PAs in longan were mainly completed by DlADC2, DlSAMDC2, DlSAMDC3, DlSPDS1A, DlSPMS, DlCuAOB, DlCuAO3A, DlPAO2 and DlPAO4B. In addition, 0.01 mmol∙L−1 1-aminocyclopropane-1-carboxylic acid (ACC), putrescine (Put) and spermine (Spm), could promote the transformation of EC into GE, and Spm treatment had the best effect, while 0.01 mmol∙L−1 D-arginine (D-arg) treatment inhibited the process. The period between the 9th and 11th days was key for the transformation of EC into GE in longan. There were higher levels of gibberellin (GA), salicylic acid (SA) and abscisic acid (ABA) and lower levels of indole-3-acetic acid (IAA), ethylene and hydrogen peroxide (H2O2) in this key period. The expression levels in this period of DlADC2, DlODC, DlSPDS1A, DlCuAOB and DlPAO4B were upregulated, while those of DlSAMDC2 and DlSPMS were downregulated. These results showed that the exogenous ACC, D-arg and PAs could regulate the transformation of EC into GE in longan by changing the content of endogenous hormones and the expression levels of PA biosynthesis and metabolism genes. This study provided a foundation for further determining the physicochemical properties and molecular evolution characteristics of the PA biosynthesis and metabolism gene families, and explored the mechanism of PAs and ethylene for regulating the transformation of plant EC into GE.
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Affiliation(s)
- Chunwang Lai
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Xiaojuan Zhou
- Ganzhou Agricultural and Rural Bureau, Ganzhou 341000, China;
| | - Shuting Zhang
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Xueying Zhang
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Mengyu Liu
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Chunyu Zhang
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Xiaoqiong Xu
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Xiaoping Xu
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Xiaohui Chen
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Yan Chen
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Wenzhong Lin
- Quanzhou Agricultural Science Research Institute, Quanzhou 362212, China;
| | - Zhongxiong Lai
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
| | - Yuling Lin
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (C.L.); (S.Z.); (X.Z.); (M.L.); (C.Z.); (X.X.); (X.X.); (X.C.); (Y.C.); (Z.L.)
- Correspondence:
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Lu S, Wang P, Nai G, Li Y, Su Y, Liang G, Chen B, Mao J. Insight into VvGH3 genes evolutional relationship from monocotyledons and dicotyledons reveals that VvGH3-9 negatively regulates the drought tolerance in transgenic Arabidopsis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 172:70-86. [PMID: 35033858 DOI: 10.1016/j.plaphy.2022.01.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
The Gretchen Hagen3 (GH3) gene family is necessary for growth and development in plants and is regulated by osmotic stress and various hormones. Although it has been reported in many plants, the evolutionary relationship of GH3 in grape has not been systematically analyzed from the perspective of monocotyledonous and dicotyledonous. This study identified and analyzed 188 GH3 genes, which were distinctly divided into 9 subgroups, and found these subgroups have obviously been clustered between monocotyledonous and dicotyledonous. VvGH3-x genes had higher synteny with apple and Arabidopsis than that of rice, and the average Ka/Ks value in monocotyledons was higher than that of dicotyledons. The codon usage index showed that monocotyledons preferred to use G3s, C3s, and GC3s, while dicotyledons preferred to use A3s and T3s. The GH3 genes of grape exhibited different expression patterns in various tissues, different abiotic stresses, and hormonal treatments. The subcellular localization showed that VvGH3-9 was expressed in the nucleus and cytoplasm. Additionally, under 20% PEG treatment, the IAA and ABA contents, relative expression levels of VvGH3-9, relative electrical conductivity (REC), as well as MDA were obviously increased in VvGH3-9 overexpression lines at 72 h. In contrast, compared to WT, the contents of proline and H2O2, the activities of POD, SOD, and CAT, and the relative expression levels of drought responsive genes were significantly decreased in overexpressing lines. Collectively, this study provided helpful insight for the evolution of GH3 genes and presented some possibilities to study the functions of GH3 genes in monocotyledons and dicotyledons.
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Affiliation(s)
- Shixiong Lu
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China
| | - Ping Wang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China
| | - Guojie Nai
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China
| | - Yanmei Li
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China
| | - Yanli Su
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China
| | - Guoping Liang
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China
| | - Baihong Chen
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China
| | - Juan Mao
- College of Horticulture, Gansu Agricultural University, Lanzhou, 730070, China.
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Zhang H, Sun X, Dai M. Improving crop drought resistance with plant growth regulators and rhizobacteria: Mechanisms, applications, and perspectives. PLANT COMMUNICATIONS 2022; 3:100228. [PMID: 35059626 PMCID: PMC8760038 DOI: 10.1016/j.xplc.2021.100228] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 06/20/2021] [Accepted: 08/02/2021] [Indexed: 05/11/2023]
Abstract
Drought is one of the main abiotic stresses that cause crop yield loss. Improving crop yield under drought stress is a major goal of crop breeding, as it is critical to food security. The mechanism of plant drought resistance has been well studied, and diverse drought resistance genes have been identified in recent years, but transferring this knowledge from the laboratory to field production remains a significant challenge. Recently, some new strategies have become research frontiers owing to their advantages of low cost, convenience, strong field operability, and/or environmental friendliness. Exogenous plant growth regulator (PGR) treatment and microbe-based plant biotechnology have been used to effectively improve crop drought tolerance and preserve yield under drought stress. However, our understanding of the mechanisms by which PGRs regulate plant drought resistance and of plant-microbiome interactions under drought is still incomplete. In this review, we summarize these two strategies reported in recent studies, focusing on the mechanisms by which these exogenous treatments regulate crop drought resistance. Finally, future challenges and directions in crop drought resistance breeding are discussed.
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Affiliation(s)
- Hui Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiaopeng Sun
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Mingqiu Dai
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
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Na C, Ziwen Z, Yeyun L, Xianchen Z. Exogenously applied Spd and Spm enhance drought tolerance in tea plants by increasing fatty acid desaturation and plasma membrane H +-ATPase activity. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 170:225-233. [PMID: 34915283 DOI: 10.1016/j.plaphy.2021.12.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 12/06/2021] [Accepted: 12/09/2021] [Indexed: 05/29/2023]
Abstract
Polyamines, due to their positive charges, bind to ROS Reactive oxygen species (ROS) thereby stabilizing the plasma membrane (PM). Drought is one of the main limiting factors affecting tea plant yield and quality. However, the effect of Spermidine (Spd) or Spermine (Spm) on membrane stability and fluidity in tea plants under drought stress is poorly understood. In this investigation, an exogenous supply of 1 mM Spd or Spm did not mitigate drought stress-induced damage, however, an exogenous supply of 0.2 mM Spd or Spm application significantly alleviated drought-induced damage in tea plants. To further illustrate the role of 0.2 mM Spd or Spm in maintaining membrane integrity and fluidity, the fatty acid percentage and PM H+-ATPase activity were analyzed. Spd and Spm application significantly increased PM H+-ATPase activity by 43.79% compared with that without the addition of polyamine under drought stress. In addition, exogenous application of Spd and Spm also significantly increased C18:3 by approximately 10%, hence alleviating drought-reduced fatty acid unsaturation. In contrast, Spd and Spm metabolic inhibitors dicyclohexylamine (DCHA) further impaired PM H+-ATPase activity and fatty acid desaturation under the drought + DCHA treatment compared with the drought treatment, respectively. Taken together, 0.2 mM Spd and Spm application significantly enhanced drought tolerance by increasing fatty acid unsaturation and maintaining PM H+-ATPase activity in tea plants. Therefore, foliar application of 0.2 mM Spd or Spm can be a potential foliar-spraying substances for improving tea drought tolerance.
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Affiliation(s)
- Chang Na
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, 230036, China
| | - Zhou Ziwen
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, 230036, China
| | - Li Yeyun
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, 230036, China
| | - Zhang Xianchen
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, 230036, China.
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10
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Zhao J, Wang X, Pan X, Jiang Q, Xi Z. Exogenous Putrescine Alleviates Drought Stress by Altering Reactive Oxygen Species Scavenging and Biosynthesis of Polyamines in the Seedlings of Cabernet Sauvignon. FRONTIERS IN PLANT SCIENCE 2021; 12:767992. [PMID: 34970285 PMCID: PMC8712750 DOI: 10.3389/fpls.2021.767992] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/16/2021] [Indexed: 06/09/2023]
Abstract
Climate change imposes intensive dry conditions in most grape-growing regions. Drought stress is one of the most devastating abiotic factors threatening grape growth, yield, and fruit quality. In this study, the alleviation effect of exogenous putrescine (Put) was evaluated using the seedlings of Cabernet Sauvignon (Vitis vinifera L.) subjected to drought stress. The phenotype, photosynthesis index, membrane injury index (MII), and antioxidant system, as well as the dynamic changes of endogenous polyamines (PAs) of grape seedlings, were monitored. Results showed that drought stress increased the MII, lipid peroxidation, and the contents of reactive oxygen species (ROS) (H2O2 and O2 -), while it decreased the antioxidant enzyme activity and the net photosynthesis rate (Pn). However, the application of Put alleviated the effects of drought stress by altering ROS scavenging, enhancing the antioxidant system, and increasing the net Pn. Put distinctly increased the activity of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT), as well as the contents of ascorbic acid (AsA) and glutathione (GSH). Meanwhile, exogenous Put also promoted the metabolism of endogenous PAs by upregulating their synthetic genes. Our results confirmed that the exogenous application of Put can enhance the antioxidant capacity as well as alter the PA pool, which provides better drought tolerance for Cabernet Sauvignon seedlings.
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Affiliation(s)
- Jiaqi Zhao
- College of Enology, Northwest A&F University, Xianyang, China
| | - Xuefei Wang
- College of Enology, Northwest A&F University, Xianyang, China
| | - Xingbo Pan
- College of Enology, Northwest A&F University, Xianyang, China
| | - Qianqian Jiang
- College of Enology, Northwest A&F University, Xianyang, China
| | - Zhumei Xi
- College of Enology, Northwest A&F University, Xianyang, China
- Shaanxi Engineering Research Center for Viti-Viniculture, Xianyang, China
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11
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Polyamine Metabolism under Different Light Regimes in Wheat. Int J Mol Sci 2021; 22:ijms222111717. [PMID: 34769148 PMCID: PMC8583935 DOI: 10.3390/ijms222111717] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 01/12/2023] Open
Abstract
Although the relationship between polyamines and photosynthesis has been investigated at several levels, the main aim of this experiment was to test light-intensity-dependent influence of polyamine metabolism with or without exogenous polyamines. First, the effect of the duration of the daily illumination, then the effects of different light intensities (50, 250, and 500 μmol m–2 s–1) on the polyamine metabolism at metabolite and gene expression levels were investigated. In the second experiment, polyamine treatments, namely putrescine, spermidine and spermine, were also applied. The different light quantities induced different changes in the polyamine metabolism. In the leaves, light distinctly induced the putrescine level and reduced the 1,3-diaminopropane content. Leaves and roots responded differently to the polyamine treatments. Polyamines improved photosynthesis under lower light conditions. Exogenous polyamine treatments influenced the polyamine metabolism differently under individual light regimes. The fine-tuning of the synthesis, back-conversion and terminal catabolism could be responsible for the observed different polyamine metabolism-modulating strategies, leading to successful adaptation to different light conditions.
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12
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Rozali NL, Tahir NI, Hassan H, Othman A, Ramli US. Identification of amines, amino and organic acids in oil palm (Elaeis guineensis Jacq.) spear leaf using GC- and LC/Q-TOF MS metabolomics platforms. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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13
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Pál M, Szalai G, Gondor OK, Janda T. Unfinished story of polyamines: Role of conjugation, transport and light-related regulation in the polyamine metabolism in plants. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 308:110923. [PMID: 34034871 DOI: 10.1016/j.plantsci.2021.110923] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/15/2021] [Accepted: 04/20/2021] [Indexed: 05/27/2023]
Abstract
Polyamines play a fundamental role in the functioning of all cells. Their regulatory role in plant development, their function under stress conditions, and their metabolism have been well documented as regards both synthesis and catabolism in an increasing number of plant species. However, the majority of these studies concentrate on the levels of the most abundant polyamines, sometimes providing data on the enzyme activity or gene expression levels during polyamine synthesis, but generally making no mention of the fact that changes in the polyamine pool are very dynamic, and that other processes are also involved in the regulation of actual polyamine levels. Differences in the distribution of individual polyamines and their conjugation with other compounds were described some time ago, but these have been given little attention. In addition, the role of polyamine transporters in plants is only now being recognised. The present review highlights the importance of conjugated polyamines and also points out that investigations should not only deal with the polyamine metabolism itself, but should also cover other important questions, such as the relationship between light perception and the polyamine metabolism, or the involvement of polyamines in the circadian rhythm.
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Affiliation(s)
- Magda Pál
- Department of Plant Physiology, Agricultural Institute, Centre for Agricultural Research, Eötvös Loránd Research Network, Brunszvik u. 2, Martonvásár, H-2462, Hungary.
| | - Gabriella Szalai
- Department of Plant Physiology, Agricultural Institute, Centre for Agricultural Research, Eötvös Loránd Research Network, Brunszvik u. 2, Martonvásár, H-2462, Hungary
| | - Orsolya Kinga Gondor
- Department of Plant Physiology, Agricultural Institute, Centre for Agricultural Research, Eötvös Loránd Research Network, Brunszvik u. 2, Martonvásár, H-2462, Hungary
| | - Tibor Janda
- Department of Plant Physiology, Agricultural Institute, Centre for Agricultural Research, Eötvös Loránd Research Network, Brunszvik u. 2, Martonvásár, H-2462, Hungary
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