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Abbas K, Li J, Gong B, Lu Y, Wu X, Lü G, Gao H. Drought Stress Tolerance in Vegetables: The Functional Role of Structural Features, Key Gene Pathways, and Exogenous Hormones. Int J Mol Sci 2023; 24:13876. [PMID: 37762179 PMCID: PMC10530793 DOI: 10.3390/ijms241813876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/29/2023] [Accepted: 08/31/2023] [Indexed: 09/29/2023] Open
Abstract
The deleterious effects of drought stress have led to a significant decline in vegetable production, ultimately affecting food security. After sensing drought stress signals, vegetables prompt multifaceted response measures, eventually leading to changes in internal cell structure and external morphology. Among them, it is important to highlight that the changes, including changes in physiological metabolism, signal transduction, key genes, and hormone regulation, significantly influence drought stress tolerance in vegetables. This article elaborates on vegetable stress tolerance, focusing on structural adaptations, key genes, drought stress signaling transduction pathways, osmotic adjustments, and antioxidants. At the same time, the mechanisms of exogenous hormones such as abscisic acid (ABA), jasmonic acid (JA), salicylic acid (SA), and ethylene (ET) toward improving the adaptive drought tolerance of vegetables were also reviewed. These insights can enhance the understanding of vegetable drought tolerance, supporting vegetable tolerance enhancement by cultivation technology improvements under changing climatic conditions, which provides theoretical support and technical reference for innovative vegetable stress tolerance breeding and food security.
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Affiliation(s)
| | | | | | | | | | | | - Hongbo Gao
- Key Laboratory of North China Water-Saving Irrigation Engineering, Ministry of Education of China-Hebei Province Joint Innovation Center for Efficient Green Vegetable Industry, College of Horticulture, Hebei Agricultural University, Baoding 071000, China
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2
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Szepesi Á, Bakacsy L, Fehér A, Kovács H, Pálfi P, Poór P, Szőllősi R, Gondor OK, Janda T, Szalai G, Lindermayr C, Szabados L, Zsigmond L. L-Aminoguanidine Induces Imbalance of ROS/RNS Homeostasis and Polyamine Catabolism of Tomato Roots after Short-Term Salt Exposure. Antioxidants (Basel) 2023; 12:1614. [PMID: 37627609 PMCID: PMC10451491 DOI: 10.3390/antiox12081614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/02/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Polyamine (PA) catabolism mediated by amine oxidases is an important process involved in fine-tuning PA homeostasis and related mechanisms during salt stress. The significance of these amine oxidases in short-term responses to salt stress is, however, not well understood. In the present study, the effects of L-aminoguanidine (AG) on tomato roots treated with short-term salt stress induced by NaCl were studied. AG is usually used as a copper amine oxidase (CuAO or DAO) inhibitor. In our study, other alterations of PA catabolism, such as reduced polyamine oxidase (PAO), were also observed in AG-treated plants. Salt stress led to an increase in the reactive oxygen and nitrogen species in tomato root apices, evidenced by in situ fluorescent staining and an increase in free PA levels. Such alterations were alleviated by AG treatment, showing the possible antioxidant effect of AG in tomato roots exposed to salt stress. PA catabolic enzyme activities decreased, while the imbalance of hydrogen peroxide (H2O2), nitric oxide (NO), and hydrogen sulfide (H2S) concentrations displayed a dependence on stress intensity. These changes suggest that AG-mediated inhibition could dramatically rearrange PA catabolism and related reactive species backgrounds, especially the NO-related mechanisms. More studies are, however, needed to decipher the precise mode of action of AG in plants exposed to stress treatments.
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Affiliation(s)
- Ágnes Szepesi
- Department of Plant Biology, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (L.B.); (A.F.); (H.K.); (P.P.); (P.P.); (R.S.)
| | - László Bakacsy
- Department of Plant Biology, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (L.B.); (A.F.); (H.K.); (P.P.); (P.P.); (R.S.)
| | - Attila Fehér
- Department of Plant Biology, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (L.B.); (A.F.); (H.K.); (P.P.); (P.P.); (R.S.)
- Institute of Plant Biology, Biological Research Centre (BRC), Eötvös Loránd Research Network (ELKH), Temesvári krt. 62, H-6726 Szeged, Hungary; (L.S.); (L.Z.)
| | - Henrietta Kovács
- Department of Plant Biology, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (L.B.); (A.F.); (H.K.); (P.P.); (P.P.); (R.S.)
| | - Péter Pálfi
- Department of Plant Biology, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (L.B.); (A.F.); (H.K.); (P.P.); (P.P.); (R.S.)
| | - Péter Poór
- Department of Plant Biology, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (L.B.); (A.F.); (H.K.); (P.P.); (P.P.); (R.S.)
| | - Réka Szőllősi
- Department of Plant Biology, Institute of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary; (L.B.); (A.F.); (H.K.); (P.P.); (P.P.); (R.S.)
| | - Orsolya Kinga Gondor
- Centre for Agricultural Research, Eötvös Loránd Research Network (ELKH), Brunszvik u.2., H-2462 Martonvásár, Hungary; (O.K.G.); (T.J.); (G.S.)
| | - Tibor Janda
- Centre for Agricultural Research, Eötvös Loránd Research Network (ELKH), Brunszvik u.2., H-2462 Martonvásár, Hungary; (O.K.G.); (T.J.); (G.S.)
| | - Gabriella Szalai
- Centre for Agricultural Research, Eötvös Loránd Research Network (ELKH), Brunszvik u.2., H-2462 Martonvásár, Hungary; (O.K.G.); (T.J.); (G.S.)
| | - Christian Lindermayr
- Institute of Biochemical Plant Pathology, Helmholtz Zentrum Munich, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany;
- Institute of Lung Health and Immunity, Comprehensive Pneumology Center, Helmholtz Munich, Max-Lebsche-Platz 31, 81377 Munich, Germany
| | - László Szabados
- Institute of Plant Biology, Biological Research Centre (BRC), Eötvös Loránd Research Network (ELKH), Temesvári krt. 62, H-6726 Szeged, Hungary; (L.S.); (L.Z.)
| | - Laura Zsigmond
- Institute of Plant Biology, Biological Research Centre (BRC), Eötvös Loránd Research Network (ELKH), Temesvári krt. 62, H-6726 Szeged, Hungary; (L.S.); (L.Z.)
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Rubio-Rodríguez E, Vera-Reyes I, Rodríguez-Hernández AA, López-Laredo AR, Ramos-Valdivia AC, Trejo-Tapia G. Mixed elicitation with salicylic acid and hydrogen peroxide modulates the phenolic and iridoid pathways in Castilleja tenuiflora plants. PLANTA 2023; 258:20. [PMID: 37326881 DOI: 10.1007/s00425-023-04177-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 06/05/2023] [Indexed: 06/17/2023]
Abstract
MAIN CONCLUSION SA and H2O2, in single and mixed elicitation stimulate specialized metabolism and activate oxidative stress in C. tenuiflora plants. Single elicitation with salicylic acid (SA at 75 µM) and, hydrogen peroxide (at 150 µM), and mixed elicitation (75 µM SA + 150 µM H2O2) were evaluated on specialized metabolism in Castilleja tenuiflora Benth. plants. Total phenolic content (TPC), phenylalanine ammonia-lyase (PAL) activity, antioxidant enzymes and specialized metabolite profiles, as well as the expression levels of eight genes involved in phenolic (Cte-TyrDC, Cte-GOT2, Cte-ADD, Cte-AO3, Cte-PAL1, Cte-CHS1) and terpene pathways (Cte-DXS1 and Cte-G10H) and their correlation with major metabolite (verbascoside and aucubin) concentrations were investigated. TPC content (three-fold) and PAL activity (11.5-fold) increased with mixed elicitation, as well as catalase and peroxidase activity (11.3-fold and 10.8-fold, respectively), compared to single elicitation. Phenylethanoid accumulation was greatest under mixed elicitation, followed by SA and H2O2. Lignan accumulation was differential, depending on the plant part and the elicitor. Flavonoids only appeared after mixed elicitation. The high concentration of verbascoside under mixed elicitation was related to a high gene expression. Single elicitation induced iridoid accumulation in specific parts (H2O2 in aerial parts and SA in roots), whereas under mixed elicitation, it accumulated in both parts. A high concentration of aucubin in the aerial part was related to a high expression level of genes of the terpene pathway Cte-DXS1 and Cte-G10H, and in the root with Cte-G10H, while Cte-DXS1 was downregulated in this tissue in all treatments. Mixed elicitation with SA and H2O2 represents an interesting tool to increase the production of specialized metabolites in plants.
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Affiliation(s)
- Elizabeth Rubio-Rodríguez
- Centro de Desarrollo de Productos Bióticos, Instituto Politécnico Nacional, 62730, Yautepec, MOR, Mexico
| | - Ileana Vera-Reyes
- Departamento de Biociencias y Agrotecnología, CONACyT-Centro de Investigación en Química Aplicada, 25294, Saltillo, COAH, Mexico
| | | | - Alma Rosa López-Laredo
- Centro de Desarrollo de Productos Bióticos, Instituto Politécnico Nacional, 62730, Yautepec, MOR, Mexico
| | - Ana C Ramos-Valdivia
- Departamento de Biotecnología y Bioingeniería, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, 07360, Ciudad de Mexico, Mexico
| | - Gabriela Trejo-Tapia
- Centro de Desarrollo de Productos Bióticos, Instituto Politécnico Nacional, 62730, Yautepec, MOR, Mexico.
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Napieraj N, Janicka M, Reda M. Interactions of Polyamines and Phytohormones in Plant Response to Abiotic Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:1159. [PMID: 36904019 PMCID: PMC10005635 DOI: 10.3390/plants12051159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/17/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Numerous environmental conditions negatively affect plant production. Abiotic stresses, such as salinity, drought, temperature, and heavy metals, cause damage at the physiological, biochemical, and molecular level, and limit plant growth, development, and survival. Studies have indicated that small amine compounds, polyamines (PAs), play a key role in plant tolerance to various abiotic stresses. Pharmacological and molecular studies, as well as research using genetic and transgenic approaches, have revealed the favorable effects of PAs on growth, ion homeostasis, water maintenance, photosynthesis, reactive oxygen species (ROS) accumulation, and antioxidant systems in many plant species under abiotic stress. PAs display a multitrack action: regulating the expression of stress response genes and the activity of ion channels; improving the stability of membranes, DNA, and other biomolecules; and interacting with signaling molecules and plant hormones. In recent years the number of reports indicating crosstalk between PAs and phytohormones in plant response to abiotic stresses has increased. Interestingly, some plant hormones, previously known as plant growth regulators, can also participate in plant response to abiotic stresses. Therefore, the main goal of this review is to summarize the most significant results that represent the interactions between PAs and plant hormones, such as abscisic acid, brassinosteroids, ethylene, jasmonates, and gibberellins, in plants under abiotic stress. The future perspectives for research focusing on the crosstalk between PAs and plant hormones were also discussed.
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Affiliation(s)
| | | | - Małgorzata Reda
- Department of Plant Molecular Physiology, Faculty of Biological Sciences, University of Wrocław, Kanonia 6/8, 50-328 Wroclaw, Poland
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Natural immunity stimulation using ELICE16INDURES® plant conditioner in field culture of soybean. Heliyon 2023; 9:e12907. [PMID: 36691550 PMCID: PMC9860300 DOI: 10.1016/j.heliyon.2023.e12907] [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: 05/09/2022] [Revised: 12/30/2022] [Accepted: 01/06/2023] [Indexed: 01/11/2023] Open
Abstract
Recently, climate change has had an increasing impact on the world. Innate defense mechanisms operating in plants - such as PAMP-triggered Immunity (PTI) - help to reduce the adverse effects caused by various abiotic and biotic stressors. In this study, the effects of ELICE16INDURES® plant conditioner for organic farming, developed by the Research Institute for Medicinal Plants and Herbs Ltd. Budakalász Hungary, were studied in a soybean population in Northern Hungary. The active compounds and ingredients of this product were selected in such a way as to facilitate the triggering of general plant immunity without the presence and harmful effects of pathogens, thereby strengthening the healthy plant population and preparing it for possible stress effects. In practice, treatments of this agent were applied at two different time points and two concentrations. The conditioning effect was well demonstrated by using agro-drone and ENDVI determination in the soybean field. The genetic background of healthier plants was investigated by NGS sequencing, and by the expression levels of genes encoding enzymes involved in the catalysis of metabolic pathways regulating PTI. The genome-wide transcriptional profiling resulted in 13 contigs related to PAMP-triggered immunity and activated as a result of the treatments. Further analyses showed 16 additional PTI-related contigs whose gene expression changed positively as a result of the treatments. The gene expression values of genes encoded in these contigs were determined by in silico mRNA quantification and validated by RT-qPCR. Both - relatively low and high treatments - showed an increase in gene expression of key genes involving AOC, IFS, MAPK4, MEKK, and GST. Transcriptomic results indicated that the biosyntheses of jasmonic acid (JA), salicylic acid (SA), phenylpropanoid, flavonoid, phytoalexin, and cellular detoxification processes were triggered in the appropriate molecular steps and suggested that plant immune reactions may be activated also artificially, and innate immunity can be enhanced with proper plant biostimulants.
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Fraudentali I, Pedalino C, D’Incà R, Tavladoraki P, Angelini R, Cona A. Distinct role of AtCuAOβ- and RBOHD-driven H 2O 2 production in wound-induced local and systemic leaf-to-leaf and root-to-leaf stomatal closure. FRONTIERS IN PLANT SCIENCE 2023; 14:1154431. [PMID: 37152169 PMCID: PMC10160378 DOI: 10.3389/fpls.2023.1154431] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/28/2023] [Indexed: 05/09/2023]
Abstract
Polyamines (PAs) are ubiquitous low-molecular-weight aliphatic compounds present in all living organisms and essential for cell growth and differentiation. The developmentally regulated and stress-induced copper amine oxidases (CuAOs) oxidize PAs to aminoaldehydes producing hydrogen peroxide (H2O2) and ammonia. The Arabidopsis thaliana CuAOβ (AtCuAOβ) was previously reported to be involved in stomatal closure and early root protoxylem differentiation induced by the wound-signal MeJA via apoplastic H2O2 production, suggesting a role of this enzyme in water balance, by modulating xylem-dependent water supply and stomata-dependent water loss under stress conditions. Furthermore, AtCuAOβ has been shown to mediate early differentiation of root protoxylem induced by leaf wounding, which suggests a whole-plant systemic coordination of water supply and loss through stress-induced stomatal responses and root protoxylem phenotypic plasticity. Among apoplastic ROS generators, the D isoform of the respiratory burst oxidase homolog (RBOH) has been shown to be involved in stress-mediated modulation of stomatal closure as well. In the present study, the specific role of AtCuAOβ and RBOHD in local and systemic perception of leaf and root wounding that triggers stomatal closure was investigated at both injury and distal sites exploiting Atcuaoβ and rbohd insertional mutants. Data evidenced that AtCuAOβ-driven H2O2 production mediates both local and systemic leaf-to-leaf and root-to-leaf responses in relation to stomatal movement, Atcuaoβ mutants being completely unresponsive to leaf or root wounding. Instead, RBOHD-driven ROS production contributes only to systemic leaf-to-leaf and root-to-leaf stomatal closure, with rbohd mutants showing partial unresponsiveness in distal, but not local, responses. Overall, data herein reported allow us to hypothesize that RBOHD may act downstream of and cooperate with AtCuAOβ in inducing the oxidative burst that leads to systemic wound-triggered stomatal closure.
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Affiliation(s)
| | | | | | - Paraskevi Tavladoraki
- Department of Science, University Roma Tre, Rome, Italy
- Istituto Nazionale Biostrutture e Biosistemi (INBB), Rome, Italy
| | - Riccardo Angelini
- Department of Science, University Roma Tre, Rome, Italy
- Istituto Nazionale Biostrutture e Biosistemi (INBB), Rome, Italy
- NBFC, National Biodiversity Future Center, Palermo, Italy
| | - Alessandra Cona
- Department of Science, University Roma Tre, Rome, Italy
- Istituto Nazionale Biostrutture e Biosistemi (INBB), Rome, Italy
- *Correspondence: Alessandra Cona,
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Cheng X, Pang F, Tian W, Tang X, Wu L, Hu X, Zhu H. Transcriptome analysis provides insights into the molecular mechanism of GhSAMDC 1 involving in rapid vegetative growth and early flowering in tobacco. Sci Rep 2022; 12:13612. [PMID: 35948667 PMCID: PMC9365820 DOI: 10.1038/s41598-022-18064-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 08/04/2022] [Indexed: 11/13/2022] Open
Abstract
In previous study, ectopic expression of GhSAMDC1 improved vegetative growth and early flowering in tobacco, which had been explained through changes of polyamine content, polyamines and flowering relate genes expression. To further disclose the transcript changes of ectopic expression of GhSAMDC1 in tobacco, the leaves from wild type and two transgenic lines at seedling (30 days old), bolting (60 days old) and flowering (90 days old) stages were performed for transcriptome analysis. Compared to wild type, a total of 938 differentially expressed genes (DEGs) were found to be up- or down-regulated in the two transgenic plants. GO and KEGG analysis revealed that tobacco of wild-type and transgenic lines were controlled by a complex gene network, which regulated multiple metabolic pathways. Phytohormone detection indicate GhSAMDC1 affect endogenous phytohormone content, ABA and JA content are remarkably increased in transgenic plants. Furthermore, transcript factor analysis indicated 18 transcript factor families, including stress response, development and flowering related transcript factor families, especially AP2-EREBP, WRKY, HSF and Tify are the most over-represented in those transcript factor families. In conclusion, transcriptome analysis provides insights into the molecular mechanism of GhSAMDC1 involving rapid vegetative growth and early flowering in tobacco.
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Affiliation(s)
- Xinqi Cheng
- College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, Hubei, China.,Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, Huanggang, 438000, Hubei, China
| | - Fangqin Pang
- College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, Hubei, China.,Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, Huanggang, 438000, Hubei, China
| | - Wengang Tian
- College of Agronomy, Shihezi University, Shihezi, 832000, Xinjiang, China
| | - Xinxin Tang
- College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, Hubei, China.,Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, Huanggang, 438000, Hubei, China
| | - Lan Wu
- College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, Hubei, China.,Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, Huanggang, 438000, Hubei, China
| | - Xiaoming Hu
- College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, Hubei, China.,Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, Huanggang, 438000, Hubei, China
| | - Huaguo Zhu
- College of Biology and Agricultural Resources, Huanggang Normal University, Huanggang, 438000, Hubei, China. .,Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization, Huanggang, 438000, Hubei, China.
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Short-Term Salicylic Acid Treatment Affects Polyamine Metabolism Causing ROS–NO Imbalance in Tomato Roots. PLANTS 2022; 11:plants11131670. [PMID: 35807622 PMCID: PMC9269310 DOI: 10.3390/plants11131670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 11/17/2022]
Abstract
The phytohormone salicylic acid (SA) can influence the polyamine metabolism in plants. Additionally, polyamines (PAs) can regulate the synthesis of SA, providing an exciting interplay between them not only in plant growth and development but also in biotic or abiotic stress conditions. The effect of SA on polyamine metabolism of leaves is well-studied but the root responses are rarely investigated. In this study, tomato roots were used to investigate the effect of short-term exposition of SA in two different concentrations, a sublethal 0.1 mM and a lethal 1 mM. To explore the involvement of SA in regulating PAs in roots, the degradation of PAs was also determined. As both SA and PAs can induce reactive oxygen species (ROS) and nitric oxide (NO) production, the balance of ROS and NO was analyzed in root tips. The results showed that 0.1 mM SA induced the production of higher PAs, spermidine (Spd), and spermine (Spm), while 1 mM SA decreased the PA contents by activating degrading enzymes. Studying the ROS and NO levels in root tips, the ROS production was induced earlier than NO, consistent with all the investigated zones of roots. This study provides evidence for concentration-dependent rapid effects of SA treatments on polyamine metabolism causing an imbalance of ROS–NO in root tips.
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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: 93] [Impact Index Per Article: 46.5] [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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Fraudentali I, Pedalino C, Tavladoraki P, Angelini R, Cona A. A New Player in Jasmonate-Mediated Stomatal Closure: The Arabidopsis thaliana Copper Amine Oxidase β. Cells 2021; 10:cells10123399. [PMID: 34943906 PMCID: PMC8699484 DOI: 10.3390/cells10123399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/18/2021] [Accepted: 11/30/2021] [Indexed: 11/16/2022] Open
Abstract
Plant defence responses to adverse environmental conditions include different stress signalling, allowing plant acclimation and survival. Among these responses one of the most common, immediate, and effective is the modulation of the stomatal aperture, which integrates different transduction pathways involving hydrogen peroxide (H2O2), calcium (Ca2+), nitric oxide (NO), phytohormones and other signalling components. The Arabidopsis thaliana copper amine oxidases β (AtCuAOβ) encodes an apoplastic CuAO expressed in guard cells and root protoxylem tissues which oxidizes polyamines to aminoaldehydes with the production of H2O2 and ammonia. Here, its role in stomatal closure, signalled by the wound-associated phytohormone methyl-jasmonate (MeJA) was explored by pharmacological and genetic approaches. Obtained data show that AtCuAOβ tissue-specific expression is induced by MeJA, especially in stomata guard cells. Interestingly, two Atcuaoβ T-DNA insertional mutants are unresponsive to this hormone, showing a compromised MeJA-mediated stomatal closure compared to the wild-type (WT) plants. Coherently, Atcuaoβ mutants also show compromised H2O2-production in guard cells upon MeJA treatment. Furthermore, the H2O2 scavenger N,N1-dimethylthiourea (DMTU) and the CuAO-specific inhibitor 2-bromoethylamine (2-BrEtA) both reversed the MeJA-induced stomatal closure and the H2O2 production in WT plants. Our data suggest that AtCuAOβ is involved in the H2O2 production implicated in MeJA-induced stomatal closure.
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Affiliation(s)
- Ilaria Fraudentali
- Department of Science, University “Roma Tre”, 00146 Rome, Italy; (I.F.); (C.P.); (P.T.); (R.A.)
| | - Chiara Pedalino
- Department of Science, University “Roma Tre”, 00146 Rome, Italy; (I.F.); (C.P.); (P.T.); (R.A.)
| | - Paraskevi Tavladoraki
- Department of Science, University “Roma Tre”, 00146 Rome, Italy; (I.F.); (C.P.); (P.T.); (R.A.)
- Interuniversity Consortium National Institute of Biostructures and Biosystems (INBB), 00136 Rome, Italy
| | - Riccardo Angelini
- Department of Science, University “Roma Tre”, 00146 Rome, Italy; (I.F.); (C.P.); (P.T.); (R.A.)
- Interuniversity Consortium National Institute of Biostructures and Biosystems (INBB), 00136 Rome, Italy
| | - Alessandra Cona
- Department of Science, University “Roma Tre”, 00146 Rome, Italy; (I.F.); (C.P.); (P.T.); (R.A.)
- Interuniversity Consortium National Institute of Biostructures and Biosystems (INBB), 00136 Rome, Italy
- Correspondence: ; Tel.: +39-06-5733-6360
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11
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Yariuchi Y, Okamoto T, Noutoshi Y, Takahashi T. Responses of Polyamine-Metabolic Genes to Polyamines and Plant Stress Hormones in Arabidopsis Seedlings. Cells 2021; 10:3283. [PMID: 34943791 PMCID: PMC8699553 DOI: 10.3390/cells10123283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 11/21/2021] [Accepted: 11/23/2021] [Indexed: 12/23/2022] Open
Abstract
In plants, many of the enzymes in polyamine metabolism are encoded by multiple genes, whose expressions are differentially regulated under different physiological conditions. For comprehensive understanding of their regulation during the seedling growth stage, we examined the expression of polyamine metabolic genes in response to polyamines and stress-related plant hormones in Arabidopsis thaliana. While confirming previous findings such as induction of many of the genes by abscisic acid, induction of arginase genes and a copper amine oxidase gene, CuAOα3, by methyl jasmonate, that of an arginine decarboxylase gene, ADC2, and a spermine synthase gene, SPMS, by salicylic acid, and negative feedback regulation of thermospermine biosynthetic genes by thermospermine, our results showed that expressions of most of the genes are not responsive to exogenous polyamines. We thus examined expression of OsPAO6, which encodes an apoplastic polyamine oxidase and is strongly induced by polyamines in rice, by using the promoter-GUS fusion in transgenic Arabidopsis seedlings. The GUS activity was increased by treatment with methyl jasmonate but neither by polyamines nor by other plant hormones, suggesting a difference in the response to polyamines between Arabidopsis and rice. Our results provide a framework to study regulatory modules directing expression of each polyamine metabolic gene.
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Affiliation(s)
- Yusaku Yariuchi
- Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan; (Y.Y.); (T.O.)
| | - Takashi Okamoto
- Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan; (Y.Y.); (T.O.)
| | - Yoshiteru Noutoshi
- Graduate School of Environmental and Life Science, Okayama University, Okayama 700-8530, Japan;
| | - Taku Takahashi
- Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan; (Y.Y.); (T.O.)
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12
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Plant Copper Amine Oxidases: Key Players in Hormone Signaling Leading to Stress-Induced Phenotypic Plasticity. Int J Mol Sci 2021; 22:ijms22105136. [PMID: 34066274 PMCID: PMC8152075 DOI: 10.3390/ijms22105136] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/03/2021] [Accepted: 05/07/2021] [Indexed: 02/07/2023] Open
Abstract
Polyamines are ubiquitous, low-molecular-weight aliphatic compounds, present in living organisms and essential for cell growth and differentiation. Copper amine oxidases (CuAOs) oxidize polyamines to aminoaldehydes releasing ammonium and hydrogen peroxide, which participates in the complex network of reactive oxygen species acting as signaling molecules involved in responses to biotic and abiotic stresses. CuAOs have been identified and characterized in different plant species, but the most extensive study on a CuAO gene family has been carried out in Arabidopsis thaliana. Growing attention has been devoted in the last years to the investigation of the CuAO expression pattern during development and in response to an array of stress and stress-related hormones, events in which recent studies have highlighted CuAOs to play a key role by modulation of a multilevel phenotypic plasticity expression. In this review, the attention will be focused on the involvement of different AtCuAOs in the IAA/JA/ABA signal transduction pathways which mediate stress-induced phenotypic plasticity events.
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13
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Tong H, Madison I, Long TA, Williams CM. Computational solutions for modeling and controlling plant response to abiotic stresses: a review with focus on iron deficiency. CURRENT OPINION IN PLANT BIOLOGY 2020; 57:8-15. [PMID: 32619968 DOI: 10.1016/j.pbi.2020.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/15/2020] [Accepted: 05/23/2020] [Indexed: 06/11/2023]
Abstract
Computational solutions enable plant scientists to model protein-mediated stress responses and characterize novel gene functions that coordinate responses to a variety of abiotic stress conditions. Recently, density functional theory was used to study proteins active sites and elucidate enzyme conversion mechanisms involved in iron deficiency responsive signaling pathways. Computational approaches for protein homology modeling and the kinetic modeling of signaling pathways have also resolved the identity and function in proteins involved in iron deficiency signaling pathways. Significant changes in gene relationships under other stress conditions, such as heat or drought stress, have been recently identified using differential network analysis, suggesting that stress tolerance is achieved through asynchronous control. Moreover, the increasing development and use of statistical modeling and systematic modeling of transcriptomic data have provided significant insight into the gene regulatory mechanisms associated with abiotic stress responses. These types of in silico approaches have facilitated the plant science community's future goals of developing multi-scale models of responses to iron deficiency stress and other abiotic stress conditions.
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Affiliation(s)
- Haonan Tong
- Electrical and Computer Engineering, North Carolina State University, Raleigh, USA
| | - Imani Madison
- Plant and Microbial Biology, North Carolina State University, Raleigh, USA
| | - Terri A Long
- Plant and Microbial Biology, North Carolina State University, Raleigh, USA.
| | - Cranos M Williams
- Electrical and Computer Engineering, North Carolina State University, Raleigh, USA.
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14
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Aloisi I, Distefano G, Antognoni F, Potente G, Parrotta L, Faleri C, Gentile A, Bennici S, Mareri L, Cai G, Del Duca S. Temperature-Dependent Compatible and Incompatible Pollen-Style Interactions in Citrus clementina Hort. ex Tan. Show Different Transglutaminase Features and Polyamine Pattern. FRONTIERS IN PLANT SCIENCE 2020; 11:1018. [PMID: 32733518 PMCID: PMC7360793 DOI: 10.3389/fpls.2020.01018] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 06/22/2020] [Indexed: 05/27/2023]
Abstract
In clementine, failure of fertilization can result in parthenocarpic fruit development, which has several advantages, such as seedless fruit, longer shelf-life, and greater consumer appeal. Recently, S-RNases have been identified in Citrus grandis, thus revealing that the self-incompatibility (SI) reaction relies on the S-RNase gametophytic mechanism. The fundamental role of environmental factors, mostly temperature, in determining the numbers of pollen tubes reaching the ovary is also well established in Citrus. In the present work, temperature-dependent pollen-pistil interactions in C. clementina were analyzed, focusing on several morphological aspects, as well as on polyamine (PA) content and the activity and distribution of transglutaminase (TGase), both reported to be involved in the SI response in pear and in pummelo. Results clearly indicate that temperature contributed to a different activation of the SI response, which occurs at optimal temperature of 25°C but was by-passed at 15°C. TGase activity was stimulated during the SI response, and it localized differently in the compatible and incompatible interaction: in compatible pollinated styles, TGase localized inside the style canal, while it was detected all around it in incompatible crosses. TGase localization and activity were congruent with the levels of soluble and insoluble conjugated PAs and with morphological evidences, which highlighted cell wall modification occurring as a result of SI.
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Affiliation(s)
- Iris Aloisi
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Gaetano Distefano
- Department of Agricultural and Food Production Sciences, University of Catania, Catania, Italy
| | - Fabiana Antognoni
- Department for Life Quality Studies, University of Bologna, Rimini, Italy
| | - Giulia Potente
- Department for Life Quality Studies, University of Bologna, Rimini, Italy
| | - Luigi Parrotta
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Claudia Faleri
- Department of Life Sciences, University of Siena, Siena, Italy
| | - Alessandra Gentile
- Department of Agricultural and Food Production Sciences, University of Catania, Catania, Italy
| | - Stefania Bennici
- Department of Agricultural and Food Production Sciences, University of Catania, Catania, Italy
| | - Lavinia Mareri
- Department of Life Sciences, University of Siena, Siena, Italy
| | - Giampiero Cai
- Department of Life Sciences, University of Siena, Siena, Italy
| | - Stefano Del Duca
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
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15
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Jia W, Liu Y, Shi L, Chu X. Investigation of Differentially Expressed Proteins Induced by Alteration of Natural Se Uptake with Ultrahigh-Performance Liquid Chromatography Quadrupole Orbitrap Uncovers the Potential Nutritional Value in Se-Enriched Green Tea. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:6316-6332. [PMID: 32407080 DOI: 10.1021/acs.jafc.0c02130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Se-enriched green tea, with an increasing consumption, is the shoot of tea plants grown naturally in a seleniferous region. A label-free proteomic strategy based on ultrahigh-performance liquid chromatography quadrupole Orbitrap was applied to characterize and distinguish the difference between the Se-enriched and normal green tea with a total of 283 proteins identified and 264 proteins quantified, in which 96 proteins were observed different. The expressions of 10 proteins were upregulated and 40 proteins were downregulated (p < 0.05) in Se-enriched samples. Gene ontology, Kyoto Encyclopedia of Genes and Genomes pathway, and protein-protein interaction (PPI) network analysis results indicated that these differentially expressed proteins significantly interacted and were involved in secondary metabolites and inflammatory response biological processes. Furthermore, the expression of methyl-jasmonate- and ethylene-related genes changed significantly in Se-enriched green tea, and catalase proteins were employed as the center of the pathway that changed significantly in the PPI network. These results associating with the current knowledge of selenium in soil-plant cycling revealed that organic selenium was synthesized in green tea, which provided novel information on Se assimilation in Camellia sinensis and improved the understanding of Se-enriched green tea as a possible ideal selenium supplement in daily life.
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Affiliation(s)
- Wei Jia
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, People's Republic of China
| | - Yuyang Liu
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, People's Republic of China
| | - Lin Shi
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, People's Republic of China
| | - Xiaogang Chu
- School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, People's Republic of China
- Chinese Academy of Inspection and Quarantine, Beijing 100123, People's Republic of China
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16
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Lv X, Zhang Y, Zhang Y, Fan S, Kong L. Source-sink modifications affect leaf senescence and grain mass in wheat as revealed by proteomic analysis. BMC PLANT BIOLOGY 2020; 20:257. [PMID: 32503423 PMCID: PMC7275590 DOI: 10.1186/s12870-020-02447-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 05/14/2020] [Indexed: 05/03/2023]
Abstract
BACKGROUND The grain yield of cereals is determined by the synergistic interaction between source activity and sink capacity. However, source-sink interactions are far from being fully understood. Therefore, a field experiment was performed in wheat to investigate the responses of flag leaves and grains to sink/source manipulations. RESULTS Half-degraining delayed but partial defoliation enhanced leaf senescence. Sink/source manipulations influenced the content of reactive oxygen species in the flag leaf and the concentration of phytohormones, including cytokinins, indoleacetic 3-acid and jasmonic acid, in the flag leaves (LDef) and grains (GDef) in defoliated plants and flag leaves (LDG) and grain (GDG) in de-grained plants. Isobaric tag for relative and absolute quantitation (iTRAQ)-based quantitative proteomic analysis indicated that at 16 days after manipulation, a total of 97 and 59 differentially expressed proteins (DEPs) from various functional categories were observed in the LDG and LDef groups, respectively, compared with the control, and 115 and 121 DEPs were observed in the GDG and GDef groups, respectively. The gene ontology annotation terms of the DEPs mainly included carbon fixation, hydrogen peroxide catabolic process, chloroplast and cytoplasm, oxidoreductase activity and glutamate synthase activity in the flag leaves of manipulated plants and organonitrogen compound metabolic process, cytoplasm, vacuolar membrane, CoA carboxylase activity, starch synthase activity and nutrient reservoir activity in the grains of manipulated plants. KEGG pathway enrichment analysis revealed that photosynthesis, carbon, nitrogen and pyruvate metabolism and glycolysis/gluconeogenesis were the processes most affected by sink/source manipulations. Sink/source manipulations affected the activities of amylase and proteinases and, ultimately, changed the mass per grain. CONCLUSIONS Manipulations to change the sink/source ratio affect hormone levels; hydrolytic enzyme activities; metabolism of carbon, nitrogen and other main compounds; stress resistance; and leaf senescence and thus influence grain mass.
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Affiliation(s)
- Xuemei Lv
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
- College of Life Science, Shandong Normal University, Jinan, 250014, China
| | - Yan Zhang
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
- College of Life Science, Shandong Normal University, Jinan, 250014, China
| | - Yunxiu Zhang
- College of Life Science, Shandong Normal University, Jinan, 250014, China
| | - Shoujin Fan
- College of Life Science, Shandong Normal University, Jinan, 250014, China.
| | - Lingan Kong
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, 250100, China.
- College of Life Science, Shandong Normal University, Jinan, 250014, China.
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