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Lutter F, Brenner W, Krajinski-Barth F, Safavi-Rizi V. Nitric oxide and cytokinin cross-talk and their role in plant hypoxia response. PLANT SIGNALING & BEHAVIOR 2024; 19:2329841. [PMID: 38521996 PMCID: PMC10962617 DOI: 10.1080/15592324.2024.2329841] [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: 12/15/2023] [Accepted: 03/07/2024] [Indexed: 03/25/2024]
Abstract
Nitric oxide (NO) and cytokinins (CKs) are known for their crucial contributions to plant development, growth, senescence, and stress response. Despite the importance of both signals in stress responses, their interaction remains largely unexplored. The interplay between NO and CKs emerges as particularly significant not only regarding plant growth and development but also in addressing plant stress response, particularly in the context of extreme weather events leading to yield loss. In this review, we summarize NO and CKs metabolism and signaling. Additionally, we emphasize the crosstalk between NO and CKs, underscoring its potential impact on stress response, with a focus on hypoxia tolerance. Finally, we address the most urgent questions that demand answers and offer recommendations for future research endeavors.
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Affiliation(s)
- Felix Lutter
- Institute of Biology, Department of General and Applied Botany, University of Leipzig, Leipzig, Germany
| | - Wolfram Brenner
- Institute of Biology, Department of General and Applied Botany, University of Leipzig, Leipzig, Germany
| | - Franziska Krajinski-Barth
- Institute of Biology, Department of General and Applied Botany, University of Leipzig, Leipzig, Germany
| | - Vajiheh Safavi-Rizi
- Institute of Biology, Department of General and Applied Botany, University of Leipzig, Leipzig, Germany
- Institute of Biology, Department of Plant physiology, University of Leipzig, Leipzig, Germany
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2
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Yamasaki H, Itoh RD, Mizumoto KB, Yoshida YS, Otaki JM, Cohen MF. Spatiotemporal Characteristics Determining the Multifaceted Nature of Reactive Oxygen, Nitrogen, and Sulfur Species in Relation to Proton Homeostasis. Antioxid Redox Signal 2024. [PMID: 38407968 DOI: 10.1089/ars.2023.0544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Significance: Reactive oxygen species (ROS), reactive nitrogen species (RNS), and reactive sulfur species (RSS) act as signaling molecules, regulating gene expression, enzyme activity, and physiological responses. However, excessive amounts of these molecular species can lead to deleterious effects, causing cellular damage and death. This dual nature of ROS, RNS, and RSS presents an intriguing conundrum that calls for a new paradigm. Recent Advances: Recent advancements in the study of photosynthesis have offered significant insights at the molecular level and with high temporal resolution into how the photosystem II oxygen-evolving complex manages to prevent harmful ROS production during the water-splitting process. These findings suggest that a dynamic spatiotemporal arrangement of redox reactions, coupled with strict regulation of proton transfer, is crucial for minimizing unnecessary ROS formation. Critical Issues: To better understand the multifaceted nature of these reactive molecular species in biology, it is worth considering a more holistic view that combines ecological and evolutionary perspectives on ROS, RNS, and RSS. By integrating spatiotemporal perspectives into global, cellular, and biochemical events, we discuss local pH or proton availability as a critical determinant associated with the generation and action of ROS, RNS, and RSS in biological systems. Future Directions: The concept of localized proton availability will not only help explain the multifaceted nature of these ubiquitous simple molecules in diverse systems but also provide a basis for new therapeutic strategies to manage and manipulate these reactive species in neural disorders, pathogenic diseases, and antiaging efforts.
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Affiliation(s)
- Hideo Yamasaki
- Faculty of Science, University of the Ryukyus, Okinawa, Japan
| | - Ryuuichi D Itoh
- Faculty of Science, University of the Ryukyus, Okinawa, Japan
| | | | - Yuki S Yoshida
- Faculty of Science, University of the Ryukyus, Okinawa, Japan
| | - Joji M Otaki
- Faculty of Science, University of the Ryukyus, Okinawa, Japan
| | - Michael F Cohen
- University of California Cooperative Extension, Santa Clara County, San Jose, California, USA
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3
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Gautam H, Khan S, Nidhi, Sofo A, Khan NA. Appraisal of the Role of Gaseous Signaling Molecules in Thermo-Tolerance Mechanisms in Plants. PLANTS (BASEL, SWITZERLAND) 2024; 13:791. [PMID: 38592775 PMCID: PMC10975175 DOI: 10.3390/plants13060791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/19/2024] [Accepted: 03/09/2024] [Indexed: 04/11/2024]
Abstract
A significant threat to the ongoing rise in temperature caused by global warming. Plants have many stress-resistance mechanisms, which is responsible for maintaining plant homeostasis. Abiotic stresses largely increase gaseous molecules' synthesis in plants. The study of gaseous signaling molecules has gained attention in recent years. The role of gaseous molecules, such as nitric oxide (NO), hydrogen sulfide (H2S), carbon dioxide (CO2), carbon monoxide (CO), methane (CH4), and ethylene, in plants under temperature high-temperature stress are discussed in the current review. Recent studies revealed the critical function that gaseous molecules play in controlling plant growth and development and their ability to respond to various abiotic stresses. Here, we provide a thorough overview of current advancements that prevent heat stress-related plant damage via gaseous molecules. We also explored and discussed the interaction of gaseous molecules. In addition, we provided an overview of the role played by gaseous molecules in high-temperature stress responses, along with a discussion of the knowledge gaps and how this may affect the development of high-temperature-resistant plant species.
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Affiliation(s)
- Harsha Gautam
- Plant Physiology and Biochemistry Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, India
| | - Sheen Khan
- Plant Physiology and Biochemistry Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, India
| | - Nidhi
- Plant Physiology and Biochemistry Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, India
| | - Adriano Sofo
- Department of European and Mediterranean Cultures: Architecture, Environment, Cultural Heritage (DiCEM), University of Basilicata, 75100 Matera, Italy
| | - Nafees A. Khan
- Plant Physiology and Biochemistry Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, India
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4
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Sharma G, Sharma N, Ohri P. Harmonizing hydrogen sulfide and nitric oxide: A duo defending plants against salinity stress. Nitric Oxide 2024; 144:1-10. [PMID: 38185242 DOI: 10.1016/j.niox.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/01/2023] [Accepted: 01/05/2024] [Indexed: 01/09/2024]
Abstract
In the face of escalating salinity stress challenges in agricultural systems, this review article delves into the harmonious partnership between hydrogen sulfide (H2S) and nitric oxide (NO) as they collectively act as formidable defenders of plants. Once considered as harmful pollutants, H2S and NO have emerged as pivotal gaseous signal molecules that profoundly influence various facets of plant life. Their roles span from enhancing seed germination to promoting overall growth and development. Moreover, these molecules play a crucial role in bolstering stress tolerance mechanisms and maintaining essential plant homeostasis. This review navigates through the intricate signaling pathways associated with H2S and NO, elucidating their synergistic effects in combating salinity stress. We explore their potential to enhance crop productivity, thereby ensuring food security in saline-affected regions. In an era marked by pressing environmental challenges, the manipulation of H2S and NO presents promising avenues for sustainable agriculture, offering a beacon of hope for the future of global food production.
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Affiliation(s)
- Gaurav Sharma
- Department of Microbiology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India.
| | - Nandni Sharma
- Department of Zoology, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
| | - Puja Ohri
- Department of Zoology, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
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5
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Bai X, Han Y, Han L. Transcriptional alterations of peanut root during interaction with growth-promoting Tsukamurella tyrosinosolvens strain P9. PLoS One 2024; 19:e0298303. [PMID: 38358983 PMCID: PMC10868839 DOI: 10.1371/journal.pone.0298303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 01/23/2024] [Indexed: 02/17/2024] Open
Abstract
The plant growth-promoting rhizobacterium Tsukamurella tyrosinosolvens P9 can improve peanut growth. In this study, a co-culture system of strain P9 and peanut was established to analyze the transcriptome of peanut roots interacting with P9 for 24 and 72 h. During the early stage of co-culturing, genes related to mitogen-activated protein kinase (MAPK) and Ca2+ signal transduction, ethylene synthesis, and cell wall pectin degradation were induced, and the up-regulation of phenylpropanoid derivative, flavonoid, and isoflavone synthesis enhanced the defense response of peanut. The enhanced expression of genes associated with photosynthesis and carbon fixation, circadian rhythm regulation, indoleacetic acid (IAA) synthesis, and cytokinin decomposition promoted root growth and development. At the late stage of co-culturing, ethylene synthesis was reduced, whereas Ca2+ signal transduction, isoquinoline alkaloid synthesis, and ascorbate and aldarate metabolism were up-regulated, thereby maintaining root ROS homeostasis. Sugar decomposition and oxidative phosphorylation and nitrogen and fatty acid metabolism were induced, and peanut growth was significantly promoted. Finally, the gene expression of seedlings inoculated with strain P9 exhibited temporal differences. The results of our study, which explored transcriptional alterations of peanut root during interacting with P9, provide a basis for elucidating the growth-promoting mechanism of this bacterial strain in peanut.
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Affiliation(s)
- Xue Bai
- College of Life Sciences, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou, China
| | - Yujie Han
- College of Life Sciences, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou, China
| | - Lizhen Han
- College of Life Sciences, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, Guizhou University, Guiyang, Guizhou, China
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6
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Krasuska U, Wal A, Staszek P, Ciacka K, Gniazdowska A. Do Reactive Oxygen and Nitrogen Species Have a Similar Effect on Digestive Processes in Carnivorous Nepenthes Plants and Humans? BIOLOGY 2023; 12:1356. [PMID: 37887066 PMCID: PMC10604543 DOI: 10.3390/biology12101356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/16/2023] [Accepted: 10/20/2023] [Indexed: 10/28/2023]
Abstract
Carnivorous plants attract animals, trap and kill them, and absorb nutrients from the digested bodies. This unusual (for autotrophs) type of nutrient acquisition evolved through the conversion of photosynthetically active leaves into specialised organs commonly called traps. The genus Nepenthes (pitcher plants) consists of approximately 169 species belonging to the group of carnivorous plants. Pitcher plants are characterised by specialised passive traps filled with a digestive fluid. The digestion that occurs inside the traps of carnivorous plants depends on the activities of many enzymes. Reactive oxygen species (ROS) and reactive nitrogen species (RNS) also participate in the digestive process, but their action is poorly recognised. ROS and RNS, named together as RONS, exhibit concentration-dependent bimodal functions (toxic or signalling). They act as antimicrobial agents, participate in protein modification, and are components of signal transduction cascades. In the human stomach, ROS are considered as the cause of different diseases. RNS have multifaceted functions in the gastrointestinal tract, with both positive and negative impacts on digestion. This review describes the documented and potential impacts of RONS on the digestion in pitcher plant traps, which may be considered as an external stomach.
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Affiliation(s)
| | - Agnieszka Wal
- Department of Plant Physiology, Institute of Biology, Warsaw University of Life Sciences-SGGW, 02-776 Warsaw, Poland; (U.K.); (P.S.); (K.C.); (A.G.)
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7
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Allagulova CR, Lubyanova AR, Avalbaev AM. Multiple Ways of Nitric Oxide Production in Plants and Its Functional Activity under Abiotic Stress Conditions. Int J Mol Sci 2023; 24:11637. [PMID: 37511393 PMCID: PMC10380521 DOI: 10.3390/ijms241411637] [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: 06/15/2023] [Revised: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Nitric oxide (NO) is an endogenous signaling molecule that plays an important role in plant ontogenesis and responses to different stresses. The most widespread abiotic stress factors limiting significantly plant growth and crop yield are drought, salinity, hypo-, hyperthermia, and an excess of heavy metal (HM) ions. Data on the accumulation of endogenous NO under stress factors and on the alleviation of their negative effects under exogenous NO treatments indicate the perspectives of its practical application to improve stress resistance and plant productivity. This requires fundamental knowledge of the NO metabolism and the mechanisms of its biological action in plants. NO generation occurs in plants by two main alternative mechanisms: oxidative or reductive, in spontaneous or enzymatic reactions. NO participates in plant development by controlling the processes of seed germination, vegetative growth, morphogenesis, flower transition, fruit ripening, and senescence. Under stressful conditions, NO contributes to antioxidant protection, osmotic adjustment, normalization of water balance, regulation of cellular ion homeostasis, maintenance of photosynthetic reactions, and growth processes of plants. NO can exert regulative action by inducing posttranslational modifications (PTMs) of proteins changing the activity of different enzymes or transcriptional factors, modulating the expression of huge amounts of genes, including those related to stress tolerance. This review summarizes the current data concerning molecular mechanisms of NO production and its activity in plants during regulation of their life cycle and adaptation to drought, salinity, temperature stress, and HM ions.
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Affiliation(s)
- Chulpan R Allagulova
- Institute of Biochemistry and Genetics-Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa 450054, Russia
| | - Alsu R Lubyanova
- Institute of Biochemistry and Genetics-Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa 450054, Russia
| | - Azamat M Avalbaev
- Institute of Biochemistry and Genetics-Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa 450054, Russia
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8
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Zhang Y, Wang R, Wang X, Zhao C, Shen H, Yang L. Nitric Oxide Regulates Seed Germination by Integrating Multiple Signalling Pathways. Int J Mol Sci 2023; 24:ijms24109052. [PMID: 37240398 DOI: 10.3390/ijms24109052] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Seed germination is of great significance for plant development and crop yield. Recently, nitric oxide (NO) has been shown to not only serve as an important nitrogen source during seed development but also to participate in a variety of stress responses in plants to high salt, drought, and high temperature. In addition, NO can affect the process of seed germination by integrating multiple signaling pathways. However, due to the instability of NO gas activity, the network mechanism for its fine regulation of seed germination remains unclear. Therefore, this review aims to summarize the complex anabolic processes of NO in plants, to analyze the interaction mechanisms between NO-triggered signaling pathways and different plant hormones such as abscisic acid (ABA) and gibberellic acid (GA), ethylene (ET) and reactive oxygen species (ROS) signaling molecules, and to discuss the physiological responses and molecular mechanisms of seeds during the involvement of NO in abiotic stress, so as to provide a reference for solving the problems of seed dormancy release and improving plant stress tolerance.
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Affiliation(s)
- Yue Zhang
- State Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Ruirui Wang
- State Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Xiaodong Wang
- State Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Caihong Zhao
- State Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Hailong Shen
- State Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin 150040, China
- Research Center of Korean Pine Engineering and Technology, National Forestry and Grassland Administration, Harbin 150040, China
| | - Ling Yang
- State Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin 150040, China
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9
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Bhattarai R, Liu H, Siddique KHM, Yan G. Transcriptomic profiling of near-isogenic lines reveals candidate genes for a significant locus conferring metribuzin resistance in wheat. BMC PLANT BIOLOGY 2023; 23:237. [PMID: 37142987 PMCID: PMC10161546 DOI: 10.1186/s12870-023-04166-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 03/13/2023] [Indexed: 05/06/2023]
Abstract
BACKGROUND Weeds reduce wheat yields in dryland farming systems. Herbicides such as metribuzin are commonly used to control weeds. However, wheat has a narrow safety margin against metribuzin. Standing crops such as wheat with weeds in the same field can also be killed by the same dose of metribuzin. Therefore, it is important to identify metribuzin resistance genes and understand the resistance mechanism in wheat for sustainable crop production. A previous study identified a significant metribuzin resistance wheat QTL, Qsns.uwa.4 A.2, explaining 69% of the phenotypic variance for metribuzin resistance. RESULTS Two NIL pairs with the most contrasting performance in the metribuzin treatment and different in genetic backgrounds were compared using RNA sequence analysis, identifying nine candidate genes underlying Qsns.uwa.4 A.2 responsible for metribuzin resistance. Quantitative RT-qPCR further validated the candidate genes, with TraesCS4A03G1099000 (nitrate excretion transporter), TraesCS4A03G1181300 (aspartyl protease), and TraesCS4A03G0741300 (glycine-rich proteins) identified as key factors for metribuzin resistance. CONCLUSION Identified markers and key candidate genes can be used for selecting metribuzin resistance in wheat.
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Affiliation(s)
- Rudra Bhattarai
- UWA School of Agriculture and Environment, The University of Western Australia, 6009, Perth, WA, Australia
- The UWA Institute of Agriculture, The University of Western Australia, 6009, Perth, WA, Australia
| | - Hui Liu
- UWA School of Agriculture and Environment, The University of Western Australia, 6009, Perth, WA, Australia.
- The UWA Institute of Agriculture, The University of Western Australia, 6009, Perth, WA, Australia.
| | - Kadambot H M Siddique
- UWA School of Agriculture and Environment, The University of Western Australia, 6009, Perth, WA, Australia
- The UWA Institute of Agriculture, The University of Western Australia, 6009, Perth, WA, Australia
| | - Guijun Yan
- UWA School of Agriculture and Environment, The University of Western Australia, 6009, Perth, WA, Australia
- The UWA Institute of Agriculture, The University of Western Australia, 6009, Perth, WA, Australia
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10
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Kępczyński J, Wójcik A, Dziurka M. NO-mediated dormancy release of Avena fatua caryopses is associated with decrease in abscisic acid sensitivity, content and ABA/GA s ratios. PLANTA 2023; 257:101. [PMID: 37087501 PMCID: PMC10122620 DOI: 10.1007/s00425-023-04117-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/07/2023] [Indexed: 05/03/2023]
Abstract
MAIN CONCLUSION NO releases caryopsis dormancy in Avena fatua, the effect being dependent on the level of dormancy. The NO effect involves also the reduction of caryopsis sensitivity to ABA and to a decrease in the ABA to GAs ratio due to a decrease in ABA levels and the lack of effect on GAs levels before germination is completed. Nitric oxide (NO) from various donors (i.e. SNP, GSNO and acidified KNO2), applied to dry caryopses or during initial germination, released primary dormancy in caryopses. Dormancy in caryopses was gradually lost during dry storage (after-ripening) at 25 °C, enabling germination at 20 °C in the dark. The after-ripening effect is associated with a decrease in NO required for germination. In addition, NO decreased the sensitivity of dormant caryopses to exogenous abscisic acid (ABA) and decreased the embryos' ABA content before germination was completed. However, NO did not affect the content of bioactive gibberellins (GAs) from non-13-hydroxylation (GA4, GA7) and 13-hydroxylation (GA1, GA3, GA6.) pathways. Paclobutrazol (PAC), commonly regarded as a GAs biosynthesis inhibitor, counteracted the dormancy-releasing effect of NO and did not affect the GAs level; however, it increased the ABA content in embryos before germination was completed. Ascorbic acid, sodium benzoate and tiron, scavengers of reactive oxygen species (ROS), reduced the stimulatory effect of NO on caryopsis germination. This work provides new insight on the participation of NO in releasing A. fatua caryopses dormancy and on the relationship of NO with endogenous ABA and GAs.
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Affiliation(s)
- Jan Kępczyński
- Institute of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland.
| | - Agata Wójcik
- Institute of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland
| | - Michał Dziurka
- Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 20-239, Krakow, Poland
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11
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Pleiotropic Functions of Nitric Oxide Produced by Ascorbate for the Prevention and Mitigation of COVID-19: A Revaluation of Pauling's Vitamin C Therapy. Microorganisms 2023; 11:microorganisms11020397. [PMID: 36838362 PMCID: PMC9963342 DOI: 10.3390/microorganisms11020397] [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: 12/16/2022] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Linus Pauling, who was awarded the Nobel Prize in Chemistry, suggested that a high dose of vitamin C (l-ascorbic acid) might work as a prevention or treatment for the common cold. Vitamin C therapy was tested in clinical trials, but clear evidence was not found at that time. Although Pauling's proposal has been strongly criticized for a long time, vitamin C therapy has continued to be tested as a treatment for a variety of diseases, including coronavirus infectious disease 2019 (COVID-19). The pathogen of COVID-19, SARS-CoV-2, belongs to the β-coronavirus lineage, which includes human coronavirus, severe acute respiratory syndrome (SARS), and Middle East respiratory syndrome (MERS). This review intends to shed new light on vitamin C antiviral activity that may prevent SARS-CoV-2 infection through the chemical production of nitric oxide (NO). NO is a gaseous free radical that is largely produced by the enzyme NO synthase (NOS) in cells. NO produced by upper epidermal cells contributes to the inactivation of viruses and bacteria contained in air or aerosols. In addition to enzymatic production, NO can be generated by the chemical reduction of inorganic nitrite (NO2-), an alternative mechanism for NO production in living organisms. Dietary vitamin C, largely contained in fruits and vegetables, can reduce the nitrite in saliva to produce NO in the oral cavity when chewing foods. In the stomach, salivary nitrite can also be reduced to NO by vitamin C secreted from the epidermal cells of the stomach. The strong acidic pH of gastric juice facilitates the chemical reduction of salivary nitrite to produce NO. Vitamin C contributes in multiple ways to the host innate immune system as a first-line defense mechanism against pathogens. Highlighting chemical NO production by vitamin C, we suggest that controversies on the therapeutic effects of vitamin C in previous clinical trials may partly be due to less appreciation of the pleiotropic functions of vitamin C as a universal bioreductant.
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12
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Kumar D, Ohri P. Say "NO" to plant stresses: Unravelling the role of nitric oxide under abiotic and biotic stress. Nitric Oxide 2023; 130:36-57. [PMID: 36460229 DOI: 10.1016/j.niox.2022.11.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/15/2022] [Accepted: 11/27/2022] [Indexed: 12/02/2022]
Abstract
Nitric oxide (NO) is a diatomic gaseous molecule, which plays different roles in different strata of organisms. Discovered as a neurotransmitter in animals, NO has now gained a significant place in plant signaling cascade. NO regulates plant growth and several developmental processes including germination, root formation, stomatal movement, maturation and defense in plants. Due to its gaseous state, it is unchallenging for NO to reach different parts of cell and counterpoise antioxidant pool. Various abiotic and biotic stresses act on plants and affect their growth and development. NO plays a pivotal role in alleviating toxic effects caused by various stressors by modulating oxidative stress, antioxidant defense mechanism, metal transport and ion homeostasis. It also modulates the activity of some transcriptional factors during stress conditions in plants. Besides its role during stress conditions, interaction of NO with other signaling molecules such as other gasotransmitters (hydrogen sulfide), phytohormones (abscisic acid, salicylic acid, jasmonic acid, gibberellin, ethylene, brassinosteroids, cytokinins and auxin), ions, polyamines, etc. has been demonstrated. These interactions play vital role in alleviating plant stress by modulating defense mechanisms in plants. Taking all these aspects into consideration, the current review focuses on the role of NO and its interaction with other signaling molecules in regulating plant growth and development, particularly under stressed conditions.
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Affiliation(s)
- Deepak Kumar
- Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India.
| | - Puja Ohri
- Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, Punjab, India.
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13
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Wal A, Staszek P, Pakula B, Paradowska M, Krasuska U. ROS and RNS Alterations in the Digestive Fluid of Nepenthes × ventrata Trap at Different Developmental Stages. PLANTS (BASEL, SWITZERLAND) 2022; 11:3304. [PMID: 36501343 PMCID: PMC9740137 DOI: 10.3390/plants11233304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/10/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
The carnivorous pitcher plant, Nepenthes × ventrata (Hort. ex Fleming = N. ventricosa Blanco × N. alata Blanco), produces passive traps containing digestive fluid. Although reactive oxygen species (ROS) in the fluid were detected in some pitcher plants, the participation of reactive nitrogen species (RNS) in the digestion process has not yet been examined. The aim of this work was to investigate the production of superoxide anion (O2•-), nitric oxide (NO) and peroxynitrite (ONOO-) levels in the digestive fluid of traps throughout organ development. We revealed the ROS and RNS occurrence in the digestive fluid, linked to the ROS-scavenging capacity and total phenolics content. In digestive fluid from the fed traps, NO emission was higher than in the fluid from the developed unfed pitcher. The concentration of nitrite (NO2-) decreased in the fluid from the fed traps in comparison to the unfed ones, pointing at NO2- as the key source of NO. The enhanced emission of NO was associated with lowered content of ONOO- in the fluid, probably due to lower production of O2•-. At the same time, despite a decline in total phenolics, the maximum ROS scavenging capacity was detected. In addition, ROS and RNS were noted even in closed traps, suggesting their involvement not only in digestion per se but also their action as signaling agents in trap ontogeny.
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14
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Ciacka K, Staszek P, Sobczynska K, Krasuska U, Gniazdowska A. Nitric Oxide in Seed Biology. Int J Mol Sci 2022; 23:ijms232314951. [PMID: 36499279 PMCID: PMC9736209 DOI: 10.3390/ijms232314951] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/22/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
Nitric oxide (NO) has been recognized as a gasotransmitter in the mainstream of plant research since the beginning of the 21st century. It is produced in plant tissue and the environment. It influences plant physiology during every ontogenetic stage from seed germination to plant senescence. In this review, we demonstrate the increased interest in NO as a regulatory molecule in combination with other signalling molecules and phytohormones in the information network of plant cells. This work is a summary of the current knowledge on NO action in seeds, starting from seed pretreatment techniques applied to increase seed quality. We describe mode of action of NO in the regulation of seed dormancy, germination, and aging. During each stage of seed physiology, NO appears to act as a key agent with a predominantly beneficial effect.
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Allagulova CR, Avalbaev AM, Lubyanova AR, Lastochkina OV, Shakirova FM. Current Concepts of the Mechanisms of Nitric Oxide Formation in Plants. RUSSIAN JOURNAL OF PLANT PHYSIOLOGY 2022; 69:61. [DOI: 10.1134/s1021443722030037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 06/23/2023]
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Acharya TR, Lee GJ, Choi EH. Influences of Plasma Plume Length on Structural, Optical and Dye Degradation Properties of Citrate-Stabilized Silver Nanoparticles Synthesized by Plasma-Assisted Reduction. NANOMATERIALS 2022; 12:nano12142367. [PMID: 35889591 PMCID: PMC9318719 DOI: 10.3390/nano12142367] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/03/2022] [Accepted: 07/06/2022] [Indexed: 12/04/2022]
Abstract
Citrate-capped silver nanoparticles (Ag@Cit NPs) were synthesized by a simple plasma-assisted reduction method. Homogenous colloidal Ag@Cit NPs solutions were produced by treating a AgNO3-trisodium citrate-deionized water with an atmospheric-pressure argon plasma jet. The plasma-synthesized Ag@Cit NPs exhibited quasi-spherical shape with an average particle diameter of about 5.9−7.5 nm, and their absorption spectra showed surface plasmon resonance peaks at approximately 406 nm. The amount of Ag@Cit NPs increased in a plasma exposure duration-dependent manner. Plasma synthesis of Ag@Cit NPs was more effective in the 8.5 cm plume jet than in the shorter and longer plume jets. A larger amount of Ag@Cit NPs were produced from the 8.5 cm plume jet with a higher pH and a larger number of aqua electrons, indicating that the synergetic effect between plasma electrons and citrate plays an important role in the plasma synthesis of Ag@Cit NPs. Plasma-assisted citrate reduction facilitates the synthesis of Ag@Cit NPs, and citrate-capped nanoparticles are stabilized in an aqueous solution due to their repulsive force. Next, we demonstrated that plasma-synthesized Ag@Cit NPs exhibited a significant degradation of methylene blue dye.
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Affiliation(s)
- Tirtha Raj Acharya
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea;
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
| | - Geon Joon Lee
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea;
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
- Correspondence: (G.J.L.); (E.H.C.); Tel.: +82-2-940-8619 (G.J.L.); +82-2-940-5014 (E.H.C.)
| | - Eun Ha Choi
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea;
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
- Correspondence: (G.J.L.); (E.H.C.); Tel.: +82-2-940-8619 (G.J.L.); +82-2-940-5014 (E.H.C.)
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Anta-Fernández F, Santander-Gordón D, Becerra S, Santamaría R, Díaz-Mínguez JM, Benito EP. Nitric Oxide Metabolism Affects Germination in Botrytis cinerea and Is Connected to Nitrate Assimilation. J Fungi (Basel) 2022; 8:jof8070699. [PMID: 35887455 PMCID: PMC9324006 DOI: 10.3390/jof8070699] [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: 06/09/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 11/16/2022] Open
Abstract
Nitric oxide regulates numerous physiological processes in species from all taxonomic groups. Here, its role in the early developmental stages of the fungal necrotroph Botrytis cinerea was investigated. Pharmacological analysis demonstrated that NO modulated germination, germ tube elongation and nuclear division rate. Experimental evidence indicates that exogenous NO exerts an immediate but transitory negative effect, slowing down germination-associated processes, and that this effect is largely dependent on the flavohemoglobin BCFHG1. The fungus exhibited a “biphasic response” to NO, being more sensitive to low and high concentrations than to intermediate levels of the NO donor. Global gene expression analysis in the wild-type and ΔBcfhg1 strains indicated a situation of strong nitrosative and oxidative stress determined by exogenous NO, which was much more intense in the mutant strain, that the cells tried to alleviate by upregulating several defense mechanisms, including the simultaneous upregulation of the genes encoding the flavohemoglobin BCFHG1, a nitronate monooxygenase (NMO) and a cyanide hydratase. Genetic evidence suggests the coordinated expression of Bcfhg1 and the NMO coding gene, both adjacent and divergently arranged, in response to NO. Nitrate assimilation genes were upregulated upon exposure to NO, and BCFHG1 appeared to be the main enzymatic system involved in the generation of the signal triggering their induction. Comparative expression analysis also showed the influence of NO on other cellular processes, such as mitochondrial respiration or primary and secondary metabolism, whose response could have been mediated by NmrA-like domain proteins.
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Affiliation(s)
- Francisco Anta-Fernández
- Institute for Agribiotechnology Research (CIALE), Department of Microbiology and Genetics, University of Salamanca, 37008 Salamanca, Spain; (F.A.-F.); (S.B.); (J.M.D.-M.)
| | - Daniela Santander-Gordón
- Facultad de Ingeniería y Ciencias Aplicadas (FICA), Carrera de Ingeniería en Biotecnología, Universidad de las Américas (UDLA), Quito 170513, Ecuador;
| | - Sioly Becerra
- Institute for Agribiotechnology Research (CIALE), Department of Microbiology and Genetics, University of Salamanca, 37008 Salamanca, Spain; (F.A.-F.); (S.B.); (J.M.D.-M.)
| | - Rodrigo Santamaría
- Department of Computer Science, University of Salamanca, 37008 Salamanca, Spain;
| | - José María Díaz-Mínguez
- Institute for Agribiotechnology Research (CIALE), Department of Microbiology and Genetics, University of Salamanca, 37008 Salamanca, Spain; (F.A.-F.); (S.B.); (J.M.D.-M.)
| | - Ernesto Pérez Benito
- Institute for Agribiotechnology Research (CIALE), Department of Microbiology and Genetics, University of Salamanca, 37008 Salamanca, Spain; (F.A.-F.); (S.B.); (J.M.D.-M.)
- Correspondence:
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Grossi L, Casadei R. The crucial role of non-enzymatic NO-production in plants. An EPR study. PHYTOCHEMISTRY 2021; 188:112794. [PMID: 34022441 DOI: 10.1016/j.phytochem.2021.112794] [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: 12/02/2020] [Revised: 04/19/2021] [Accepted: 04/23/2021] [Indexed: 06/12/2023]
Abstract
Polyamines and polyamides have a fundamental role in the biology of plants, and the presence of NO seems compulsory to account for their actions. In general, the NO production has claimed to occur through an enzymatic process, but not involving polyamines and polyamides. Nevertheless, a non-enzymatic mechanism, such as an electron transfer process among polyamines or polyamides and an acid nitrite solution, could account for rapid production of NO, even in anoxic conditions. EPR experiments, carried out with these substrates, proved the formation of NO. This evidence supports a non-enzymatic mechanism as an alternative source of NO, even in plants. So, since the NO production seems directly dependent on polyamines or polyamides presence, and these responsible for many activities in plants, it comes plausibly to consider crucial the involvement of NO in their actions. Furthermore, as for mammals, these results would confirm that, even in plants, NO production can occur through both enzymatic and non-enzymatic mechanisms.
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Affiliation(s)
- Loris Grossi
- Dipartimento di "Scienze per la Qualità della Vita" - Università di Bologna, Campus di Rimini, Corso d'Augusto, 237 I-47921, Rimini, Italy.
| | - Raffaella Casadei
- Dipartimento di "Scienze per la Qualità della Vita" - Università di Bologna, Campus di Rimini, Corso d'Augusto, 237 I-47921, Rimini, Italy.
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Sun C, Zhang Y, Liu L, Liu X, Li B, Jin C, Lin X. Molecular functions of nitric oxide and its potential applications in horticultural crops. HORTICULTURE RESEARCH 2021; 8:71. [PMID: 33790257 PMCID: PMC8012625 DOI: 10.1038/s41438-021-00500-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 01/04/2021] [Accepted: 01/11/2021] [Indexed: 05/04/2023]
Abstract
Nitric oxide (NO) regulates plant growth, enhances nutrient uptake, and activates disease and stress tolerance mechanisms in most plants, making NO a potential tool for use in improving the yield and quality of horticultural crop species. Although the use of NO in horticulture is still in its infancy, research on NO in model plant species has provided an abundance of valuable information on horticultural crop species. Emerging evidence implies that the bioactivity of NO can occur through many potential mechanisms but occurs mainly through S-nitrosation, the covalent and reversible attachment of NO to cysteine thiol. In this context, NO signaling specifically affects crop development, immunity, and environmental interactions. Moreover, NO can act as a fumigant against a wide range of postharvest diseases and pests. However, for effective use of NO in horticulture, both understanding and exploring the biological significance and potential mechanisms of NO in horticultural crop species are critical. This review provides a picture of our current understanding of how NO is synthesized and transduced in plants, and particular attention is given to the significance of NO in breaking seed dormancy, balancing root growth and development, enhancing nutrient acquisition, mediating stress responses, and guaranteeing food safety for horticultural production.
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Affiliation(s)
- Chengliang Sun
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Yuxue Zhang
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Lijuan Liu
- Interdisciplinary Research Academy, Zhejiang Shuren University, 310015, Hangzhou, China
| | - Xiaoxia Liu
- Zhejiang Provincial Cultivated Land Quality and Fertilizer Administration Station, Hangzhou, China
| | - Baohai Li
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Chongwei Jin
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Xianyong Lin
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, 310058, Hangzhou, China.
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Lau SE, Hamdan MF, Pua TL, Saidi NB, Tan BC. Plant Nitric Oxide Signaling under Drought Stress. PLANTS (BASEL, SWITZERLAND) 2021; 10:360. [PMID: 33668545 PMCID: PMC7917642 DOI: 10.3390/plants10020360] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/26/2021] [Accepted: 02/10/2021] [Indexed: 12/11/2022]
Abstract
Water deficit caused by drought is a significant threat to crop growth and production. Nitric oxide (NO), a water- and lipid-soluble free radical, plays an important role in cytoprotection. Apart from a few studies supporting the role of NO in drought responses, little is known about this pivotal molecular amendment in the regulation of abiotic stress signaling. In this review, we highlight the knowledge gaps in NO roles under drought stress and the technical challenges underlying NO detection and measurements, and we provide recommendations regarding potential avenues for future investigation. The modulation of NO production to alleviate abiotic stress disturbances in higher plants highlights the potential of genetic manipulation to influence NO metabolism as a tool with which plant fitness can be improved under adverse growth conditions.
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Affiliation(s)
- Su-Ee Lau
- Centre for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia; (S.-E.L.); (T.-L.P.)
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Mohd Fadhli Hamdan
- School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, China;
| | - Teen-Lee Pua
- Centre for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia; (S.-E.L.); (T.-L.P.)
| | - Noor Baity Saidi
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | - Boon Chin Tan
- Centre for Research in Biotechnology for Agriculture, University of Malaya, Kuala Lumpur 50603, Malaysia; (S.-E.L.); (T.-L.P.)
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Mukherjee S, Corpas FJ. Crosstalk among hydrogen sulfide (H 2S), nitric oxide (NO) and carbon monoxide (CO) in root-system development and its rhizosphere interactions: A gaseous interactome. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 155:800-814. [PMID: 32882618 DOI: 10.1016/j.plaphy.2020.08.020] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 05/08/2023]
Abstract
Root development in higher plants is achieved by a precise intercellular communication which determines cell fate in the primary embryonic meristem where the gasotransmitters H2S, NO and CO participate dynamically. Furthermore, the rhizosphere interaction of these molecules with microbial and soil metabolism also affects root development. NO regulates root growth and architecture in association with several other biomolecules like auxin indole-3-acetic acid (IAA), ethylene, jasmonic acid (JA), strigolactones, alkamides and melatonin. The CO-mediated signal transduction pathway in roots is closely linked to the NO-mediated signal cascades. Interestingly, H2S acts also as an upstream component in IAA and NO-mediated crosstalk during root development. Heme oxygenase (HO) 1 generates CO and functions as a downstream component in H2S-mediated adventitious rooting and H2S-CO crosstalk. Likewise, reactive oxygen species (ROS), H2S and NO crosstalk are important components in the regulation of root architecture. Deciphering these interactions will be a potential biotechnological tool which could provide benefits in crop management in soils, especially under adverse environmental conditions. This review aims to provide a comprehensive update of the complex networks of these gasotransmitters during the development of roots.
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Affiliation(s)
- Soumya Mukherjee
- Department of Botany, Jangipur College, University of Kalyani, West Bengal, 742213, India.
| | - Francisco J Corpas
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, CSIC, Apartado 419, E-18080, Granada, Spain
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Labudda M, Różańska E, Gietler M, Fidler J, Muszyńska E, Prabucka B, Morkunas I. Cyst Nematode Infection Elicits Alteration in the Level of Reactive Nitrogen Species, Protein S-Nitrosylation and Nitration, and Nitrosoglutathione Reductase in Arabidopsis thaliana Roots. Antioxidants (Basel) 2020; 9:antiox9090795. [PMID: 32859113 PMCID: PMC7555039 DOI: 10.3390/antiox9090795] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 01/30/2023] Open
Abstract
Reactive nitrogen species (RNS) are redox molecules important for plant defense against pathogens. The aim of the study was to determine whether the infection by the beet cyst nematode Heterodera schachtii disrupts RNS balance in Arabidopsis thaliana roots. For this purpose, measurements of nitric oxide (NO), peroxynitrite (ONOO−), protein S-nitrosylation and nitration, and nitrosoglutathione reductase (GSNOR) in A. thaliana roots from 1 day to 15 days post-inoculation (dpi) were performed. The cyst nematode infection caused generation of NO and ONOO− in the infected roots. These changes were accompanied by an expansion of S-nitrosylated and nitrated proteins. The enzyme activity of GSNOR was decreased at 3 and 15 dpi and increased at 7 dpi in infected roots, whereas the GSNOR1 transcript level was enhanced over the entire examination period. The protein content of GSNOR was increased in infected roots at 3 dpi and 7 dpi, but at 15 dpi, did not differ between uninfected and infected roots. The protein of GSNOR was detected in plastids, mitochondria, cytoplasm, as well as endoplasmic reticulum and cytoplasmic membranes. We postulate that RNS metabolism plays an important role in plant defense against the beet cyst nematode and helps the fine-tuning of the infected plants to stress sparked by phytoparasitic nematodes.
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Affiliation(s)
- Mateusz Labudda
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland; (M.G.); (J.F.); (B.P.)
- Correspondence: ; Tel.: +48-22-5932570
| | - Elżbieta Różańska
- Department of Botany, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland; (E.R.); (E.M.)
| | - Marta Gietler
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland; (M.G.); (J.F.); (B.P.)
| | - Justyna Fidler
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland; (M.G.); (J.F.); (B.P.)
| | - Ewa Muszyńska
- Department of Botany, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland; (E.R.); (E.M.)
| | - Beata Prabucka
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland; (M.G.); (J.F.); (B.P.)
| | - Iwona Morkunas
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland;
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Sunil B, Rajsheel P, Aswani V, Bapatla RB, Talla SK, Raghavendra AS. Photosynthesis is sensitive to nitric oxide and respiration sensitive to hydrogen peroxide: Studies with pea mesophyll protoplasts. JOURNAL OF PLANT PHYSIOLOGY 2020; 246-247:153133. [PMID: 32065920 DOI: 10.1016/j.jplph.2020.153133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 01/27/2020] [Accepted: 02/01/2020] [Indexed: 05/27/2023]
Abstract
Reports on the effect of nitric oxide (NO) or reactive oxygen species (ROS) on photosynthesis and respiration in leaf tissues are intriguing; therefore, the effects of exogenous addition of sodium nitroprusside (SNP, releases NO) or H2O2 on the photosynthetic O2 evolution and respiratory O2 uptake by mesophyll protoplasts in pea (Pisum sativum) were evaluated in the present study. Low concentrations of SNP or H2O2 were used to minimize nonspecific effects. The effects of NO or H2O2 on respiration and photosynthesis were different. The presence of NO decreased the rate of photosynthesis but caused a marginal stimulation of dark respiration. Conversely, externally administered H2O2 drastically decreased the rate of respiration but only slightly decreased photosynthesis. The PS I activity was more sensitive to NO than PS II. On the other hand, 100 μM H2O2 had no effect on the photochemical reactions of either PS I or PS II. The sensitivity of photosynthesis to antimycin A or SHAM (reflecting the interplay between chloroplasts and mitochondria) was not affected by NO. By contrast, H2O2 markedly decreased the sensitivity of photosynthesis to antimycin A and SHAM. It can be concluded that chloroplasts are the primary targets of NO, while mitochondria are the primary targets of ROS in plant cells. We propose that H2O2 can be an important signal to modulate the crosstalk between chloroplasts and mitochondria.
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Affiliation(s)
- Bobba Sunil
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Pidakala Rajsheel
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Vetcha Aswani
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Ramesh B Bapatla
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Sai K Talla
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Agepati S Raghavendra
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India.
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Zhao Y, Lim J, Xu J, Yu J, Zheng W. Nitric oxide as a developmental and metabolic signal in filamentous fungi. Mol Microbiol 2020; 113:872-882. [DOI: 10.1111/mmi.14465] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 01/15/2020] [Accepted: 01/15/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Yanxia Zhao
- Key Laboratory for Biotechnology of Medicinal Plants Jiangsu Normal University Xuzhou China
| | - Jieyin Lim
- Departments of Bacteriology and Genetics Food Research Institute University of Wisconsin‐Madison Madison Wisconsin USA
| | - Jianyang Xu
- Department of Traditional Chinese Medicine General Hospital of Shenzhen University Shenzhen China
| | - Jae‐Hyuk Yu
- Departments of Bacteriology and Genetics Food Research Institute University of Wisconsin‐Madison Madison Wisconsin USA
- Department of Systems Biotechnology Konkuk University Seoul Republic of Korea
| | - Weifa Zheng
- Key Laboratory for Biotechnology of Medicinal Plants Jiangsu Normal University Xuzhou China
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Paul S, Roychoudhury A. Regulation of physiological aspects in plants by hydrogen sulfide and nitric oxide under challenging environment. PHYSIOLOGIA PLANTARUM 2020; 168:374-393. [PMID: 31479515 DOI: 10.1111/ppl.13021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 08/01/2019] [Accepted: 08/28/2019] [Indexed: 05/15/2023]
Abstract
Plants are exposed to a plethora of abiotic stresses such as drought, salinity, heavy metal and temperature stresses at different stages of their life cycle, from germination to seedling till the reproductive phase. As protective mechanisms, plants release signaling molecules that initiate a cascade of stress-signaling events, leading either to programmed cell death or plant acclimation. Hydrogen sulfide (H2 S) and nitric oxide (NO) are considered as new 'gasotransmitter' molecules that play key roles in regulating gene expression, posttranslational modification (PTM), as well as cross-talk with other hormones. Although the exact role of NO in plants remains unclear and is species dependent, various studies have suggested a positive correlation between NO accumulation and environmental stress in plants. These molecules are also involved in a large array of stress responses and act synergistically or antagonistically as signaling components, depending on their respective concentration. This study provides a comprehensive update on the signaling interplay between H2 S and NO in the regulation of various physiological processes under multiple abiotic stresses, modes of action and effects of exogenous application of these two molecules under drought, salt, heat and heavy metal stresses. However, the complete picture of the signaling cascades mediated by H2 S and NO is still elusive. Recent researches indicate that during certain plant processes, such as stomatal closure, H2 S could act upstream of NO signaling or downstream of NO in response to abiotic stresses by improving antioxidant activity in most plant species. In addition, PTMs of antioxidative pathways by these two molecules are also discussed.
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Affiliation(s)
- Saikat Paul
- Post Graduate Department of Biotechnology, St. Xavier's College (Autonomous), Kolkata, West Bengal, India
| | - Aryadeep Roychoudhury
- Post Graduate Department of Biotechnology, St. Xavier's College (Autonomous), Kolkata, West Bengal, India
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Kuo EY, Chang HL, Lin ST, Lee TM. High Light-Induced Nitric Oxide Production Induces Autophagy and Cell Death in Chlamydomonas reinhardtii. FRONTIERS IN PLANT SCIENCE 2020; 11:772. [PMID: 32587598 PMCID: PMC7298128 DOI: 10.3389/fpls.2020.00772] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/15/2020] [Indexed: 05/05/2023]
Abstract
Autophagy plays a role in regulating important cellular functions in response to stress conditions. The role of nitric oxide (NO) in the regulation of autophagy in Chlamydomonas reinhardtii has been not studied. Illumination of C. reinhardtii cells under a high light (HL, 1,600 μmol m-2 s-1) condition induced a NO burst through NO synthase- and nitrate reductase-independent routes, and cell death. The abundance of CrATG8 protein, an autophagy marker of C. reinhardtii, increased after HL illumination along with a linear increase in the transcript abundance of autophagy-associated genes (CrVPS34, CrATG1, CrATG3, CrATG4, CrATG6, CrATG7, CrATG8, and CrATG12), which were suppressed in the presence of an NO scavenger, 2-(4-carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (cPTIO). The cells were treated with NO donors, S-nitroso-N-acetyl-penicillamine, and S-nitrosoglutathione, under a normal light (50 μmol m-2 s-1) condition to elucidate the role of NO in autophagy activation and cell death. Treatment with 0.05 mM or 0.1 mM NO donors increased the abundance of ATG8 protein and CrATG transcripts, which were suppressed in the presence of cPTIO. Moreover, treatment with 0.05 mM NO donors did not affect cell viability, while 0.1 mM NO donors elicited a transient decrease in cell growth and death that recovered after 12 h. The transient effect could be prevented by the presence of cPTIO. However, treatment with 1 mM H2O2 and 0.1 mM NO donors enhanced autophagy induction and resulted in cell death after 24 h. The interaction of H2O2 and NO can be prevented by cPTIO treatment. This implies that NO is critical for the interaction of H2O2 and NO that induces cell death and autophagy. Furthermore, exposure to 0.1 mM NO donors under a non-lethal HL condition (750 μmol m-2 s-1) evoked autophagy and cell death. In conclusion, the present findings demonstrated that the NO-mediated autophagy pathway is activated in C. reinhardtii under lethal high intensity illumination and may interact with H2O2 for HL-induced cell death. The relationships between autophagy and cell death are discussed.
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Affiliation(s)
- Eva YuHua Kuo
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Hsueh-Ling Chang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Shu-Tseng Lin
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Tse-Min Lee
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, Taiwan
- *Correspondence: Tse-Min Lee,
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Ciacka K, Krasuska U, Staszek P, Wal A, Zak J, Gniazdowska A. Effect of Nitrogen Reactive Compounds on Aging in Seed. FRONTIERS IN PLANT SCIENCE 2020; 11:1011. [PMID: 32733516 PMCID: PMC7360797 DOI: 10.3389/fpls.2020.01011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/19/2020] [Indexed: 05/07/2023]
Abstract
Reactive nitrogen species (RNS) are universal compounds that are constantly present in plant cells. RNS function depends on their actual level (the "nitrosative door" concept), duration of plant exposure to RNS and the context of the exposure. RNS are involved in the nitration of nucleic acids and fatty acids, posttranslational protein modifications (nitration and S-nitrosylation), and modulation of reactive oxygen species metabolism. RNS are regulatory molecules of various physiological processes in plants, including seed formation, maturation, dormancy and germination. The free radical theory of aging, well documented for animals, indicated that RNS participate in the regulation of the life span. Some data point to RNS contribution in preservation of seed vigor and/or regulation of seed longevity. Seed aging is a problem for biologists and agriculture, which could be solved by application of RNS, as a factor that may potentially expand seed vitality resulting in increased germination rate. The review is focused on RNS, particularly nitric oxide contribution to regulation of seed aging.
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A forty year journey: The generation and roles of NO in plants. Nitric Oxide 2019; 93:53-70. [DOI: 10.1016/j.niox.2019.09.006] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/28/2019] [Accepted: 09/16/2019] [Indexed: 02/07/2023]
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Ciacka K, Krasuska U, Otulak-Kozieł K, Gniazdowska A. Dormancy removal by cold stratification increases glutathione and S-nitrosoglutathione content in apple seeds. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2019; 138:112-120. [PMID: 30861401 DOI: 10.1016/j.plaphy.2019.02.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 02/27/2019] [Accepted: 02/27/2019] [Indexed: 06/09/2023]
Abstract
S-nitrosoglutathione (GSNO), an integral metabolite of nitric oxide (NO) biochemistry is reduced by S-nitrosoglutathione reductase (GSNOR) (EC 1.2.1.46), leading to formation of glutathione in oxidised form (GSSG), further reduced to GSH by glutathione reductase (GR). GSH as a vital antioxidant has a significant role for seed quality and during seed germination. Since early 50th of 20th century it is known that deep dormancy of apple (Malus domestica Borkh.) embryos is removed by 90 days of cold stratification. Our previous studies demonstrated that similar effect is observed after short term (3 h) exposition of isolated embryos to nitric oxide (NO) donors. The aim of our work was to verify the differences in GSNO level and GSNOR activity in embryonic axes isolated after initiation of germination (24 h of imbibition) from dormant embryos (the control) and from 90 days cold stratified seeds. Our data indicated that seed dormancy breakage is accompanied by increased GSNO content and the decrease of GSNOR activity. The abundance of GSNOR protein is similar in both non-dormant and dormant embryonic axes during first hours of water uptake, while GSNOR transcript level increases in non-dormant tissue. Furthermore, in non-dormant embryonic axes we noticed a higher glutathione pool, mostly in its reduced form. These results are linked to the increase of cytosolic GR transcript level and increased enzyme activity in embryonic axes isolated from stratified seeds.
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Affiliation(s)
- Katarzyna Ciacka
- Department of Plant Physiology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776, Warsaw, Poland.
| | - Urszula Krasuska
- Department of Plant Physiology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776, Warsaw, Poland.
| | - Katarzyna Otulak-Kozieł
- Department of Botany, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776, Warsaw, Poland.
| | - Agnieszka Gniazdowska
- Department of Plant Physiology, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159, 02-776, Warsaw, Poland.
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Ageeva-Kieferle A, Rudolf EE, Lindermayr C. Redox-Dependent Chromatin Remodeling: A New Function of Nitric Oxide as Architect of Chromatin Structure in Plants. FRONTIERS IN PLANT SCIENCE 2019; 10:625. [PMID: 31191565 PMCID: PMC6546728 DOI: 10.3389/fpls.2019.00625] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 04/26/2019] [Indexed: 05/02/2023]
Abstract
Nitric oxide (NO) is a key signaling molecule in all kingdoms. In plants, NO is involved in the regulation of various processes of growth and development as well as biotic and abiotic stress response. It mainly acts by modifying protein cysteine or tyrosine residues or by interacting with protein bound transition metals. Thereby, the modification of cysteine residues known as protein S-nitrosation is the predominant mechanism for transduction of NO bioactivity. Histone acetylation on N-terminal lysine residues is a very important epigenetic regulatory mechanism. The transfer of acetyl groups from acetyl-coenzyme A on histone lysine residues is catalyzed by histone acetyltransferases. This modification neutralizes the positive charge of the lysine residue and results in a loose structure of the chromatin accessible for the transcriptional machinery. Histone deacetylases, in contrast, remove the acetyl group of histone tails resulting in condensed chromatin with reduced gene expression activity. In plants, the histone acetylation level is regulated by S-nitrosation. NO inhibits HDA complexes resulting in enhanced histone acetylation and promoting a supportive chromatin state for expression of genes. Moreover, methylation of histone tails and DNA are important epigenetic modifications, too. Interestingly, methyltransferases and demethylases are described as targets for redox molecules in several biological systems suggesting that these types of chromatin modifications are also regulated by NO. In this review article, we will focus on redox-regulation of histone acetylation/methylation and DNA methylation in plants, discuss the consequences on the structural level and give an overview where NO can act to modulate chromatin structure.
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Kępczyński J, Cembrowska-Lech D. Application of flow cytometry with a fluorescent dye to measurement of intracellular nitric oxide in plant cells. PLANTA 2018; 248:279-291. [PMID: 29704056 PMCID: PMC6061057 DOI: 10.1007/s00425-018-2901-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 04/22/2018] [Indexed: 05/07/2023]
Abstract
A simple and rapid method involving flow cytometry and NO-specific probe (DAF-FM DA) proved useful for detection and determination of intracellular NO production in Medicago truncatula suspension cells and leaves as well as in cells of Avena fatua, Amaranthus retroflexus embryos and leaves. The measurement of nitric oxide (NO) in plant material is important for examining the regulatory roles of endogenous NO in various physiological processes. The possibility of detecting and determining intracellular NO production by flow cytometry (FCM) with 4-amino-5-methylamino-2',7'-difluorofluorescein (DAF-FM DA), an NO-specific probe in Medicago truncatula cells in suspension and leaves as well as in cells of embryos and leaves of Avena fatua L. or Amaranthus retroflexus L. was explored. To detect and measure NO production by cell suspension or embryos and leaves, the recommended DAF-FM DA concentration is 5 or 10 µM, respectively, applied for 30 min. Exogenous NO increased the intensity of the fluorescent signal in embryos and leaves of both plants, while carboxy-PTIO (cPTIO), an NO scavenger, decreased it. Thus, these results demonstrate that NO can be detected and an increase and a decrease of its intracellular level can be estimated. Wounding was observed to increase the fluorescence signal, indicating an increase in the intracellular NO level. In addition, the levels of exogenous and endogenous ascorbic acid were demonstrated to have no effect on the NO-related fluorescence signal, indicating the signal's specificity only in relation with NO. The applicability of the proposed method for detection and determination of NO was confirmed (1) by in situ NO imaging in cell suspensions and (2) by determining the NO concentration in embryos and leaves using the Griess reagent. In view of the data obtained, FCM is recommended as a rapid and simple method with which to detect and determine intracellular NO production in plant cells.
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Affiliation(s)
- Jan Kępczyński
- Department of Plant Physiology and Genetic Engineering, Faculty of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland.
| | - Danuta Cembrowska-Lech
- Department of Plant Physiology and Genetic Engineering, Faculty of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland
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Jain P, von Toerne C, Lindermayr C, Bhatla SC. S-nitrosylation/denitrosylation as a regulatory mechanism of salt stress sensing in sunflower seedlings. PHYSIOLOGIA PLANTARUM 2018; 162:49-72. [PMID: 28902403 DOI: 10.1111/ppl.12641] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 08/31/2017] [Accepted: 09/06/2017] [Indexed: 05/03/2023]
Abstract
Nitric oxide (NO) and various reactive nitrogen species produced in cells in normal growth conditions, and their enhanced production under stress conditions are responsible for a variety of biochemical aberrations. The present findings demonstrate that sunflower seedling roots exhibit high sensitivity to salt stress in terms of nitrite accumulation. A significant reduction in S-nitrosoglutathione reductase (GSNOR) activity is evident in response to salt stress. Restoration of GSNOR activity with dithioerythritol shows that the enzyme is reversibly inhibited under conditions of 120 mM NaCl. Salt stress-mediated S-nitrosylation of cytosolic proteins was analyzed in roots and cotyledons using biotin-switch assay. LC-MS/MS analysis revealed opposite patterns of S-nitrosylation in seedling cotyledons and roots. Salt stress enhances S-nitrosylation of proteins in cotyledons, whereas roots exhibit denitrosylation of proteins. Highest number of proteins having undergone S-nitrosylation belonged to the category of carbohydrate metabolism followed by other metabolic proteins. Of the total 61 proteins observed to be regulated by S-nitrosylation, 17 are unique to cotyledons, 4 are unique to roots whereas 40 are common to both. Eighteen S-nitrosylated proteins are being reported for the first time in plant systems, including pectinesterase, phospholipase d-alpha and calmodulin. Further physiological analysis of glyceraldehyde-3-phosphate dehydrogenase and monodehydroascorbate reductase showed that salt stress leads to a reversible inhibition of both these enzymes in cotyledons. However, seedling roots exhibit enhanced enzyme activity under salinity stress. These observations implicate the role of S-nitrosylation and denitrosylation in NO signaling thereby regulating various enzyme activities under salinity stress in sunflower seedlings.
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Affiliation(s)
- Prachi Jain
- Laboratory of Plant Physiology and Biochemistry, Department of Botany, University of Delhi, Delhi 110007, India
| | - Christine von Toerne
- Research Unit Protein Science, Helmholtz Zentrum Muenchen, D-80939, München, Germany
| | - Christian Lindermayr
- Helmholtz Zentrum Muenchen, German Research Center for Environmental Health, Neuherberg, Germany
| | - Satish C Bhatla
- Laboratory of Plant Physiology and Biochemistry, Department of Botany, University of Delhi, Delhi 110007, India
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Ma Z, Bykova NV, Igamberdiev AU. Cell signaling mechanisms and metabolic regulation of germination and dormancy in barley seeds. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.cj.2017.08.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Parankusam S, Adimulam SS, Bhatnagar-Mathur P, Sharma KK. Nitric Oxide (NO) in Plant Heat Stress Tolerance: Current Knowledge and Perspectives. FRONTIERS IN PLANT SCIENCE 2017; 8:1582. [PMID: 28955368 PMCID: PMC5601411 DOI: 10.3389/fpls.2017.01582] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 08/29/2017] [Indexed: 05/21/2023]
Abstract
High temperature is one of the biggest abiotic stress challenges for agriculture. While, Nitric oxide (NO) is gaining increasing attention from plant science community due to its involvement in resistance to various plant stress conditions, its implications on heat stress tolerance is still unclear. Several lines of evidence indicate NO as a key signaling molecule in mediating various plant responses such as photosynthesis, oxidative defense, osmolyte accumulation, gene expression, and protein modifications under heat stress. Furthermore, the interactions of NO with other signaling molecules and phytohormones to attain heat tolerance have also been building up in recent years. Nevertheless, deep insights into the functional intermediaries or signal transduction components associated with NO-mediated heat stress signaling are imperative to uncover their involvement in plant hormone induced feed-back regulations, ROS/NO balance, and stress induced gene transcription. Although, progress is underway, much work remains to define the functional relevance of this molecule in plant heat tolerance. This review provides an overview on current status and discuss knowledge gaps in exploiting NO, thereby enhancing our understanding of the role of NO in plant heat tolerance.
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Affiliation(s)
- Santisree Parankusam
- International Crops Research Institute for the Semi-Arid TropicsPatancheru, India
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35
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Naing AH, Lee K, Arun M, Lim KB, Kim CK. Characterization of the role of sodium nitroprusside (SNP) involved in long vase life of different carnation cultivars. BMC PLANT BIOLOGY 2017; 17:149. [PMID: 28874121 PMCID: PMC5586022 DOI: 10.1186/s12870-017-1097-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 08/30/2017] [Indexed: 05/18/2023]
Abstract
BACKGROUND Sodium nitroprusside (SNP) has been previously shown to extend the vase life of various cut flowers; however, its positive effect on extending vase life of carnations has not been well documented. Moreover, the role of SNP in the mechanisms underlying determination of vase life of cut carnations has also not been well addressed. RESULTS SNP increased vase life of Tico Viola carnations along with their relative fresh weight (RFW). Among the treatments, the flowers treated with 10 mg L-1 SNP had the longest vase life and maximum relative fresh weight (RFW). This was achieved through significant suppression of ethylene production via downregulation of ethylene biosynthesis and petal senescence-related genes, and through an increase in the scavenging mechanism of reactive oxygen species (ROS) by antioxidant activity during flower vase life. In addition, the positive efficacy of SNP could also be confirmed using 1-aminocyclopropane-1-carboxylic acid (ACC) and different cultivars, resulting in similar trends for both experiments. CONCLUSION Taken together, these results suggest that SNP plays a crucial role in multiple modes of action that are associated with the longevity of cut carnation flowers.
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Affiliation(s)
- Aung Htay Naing
- Department of Horticultural Science, Kyungpook National University, Daegu, 4165122, South Korea
| | - Kyoungsun Lee
- Department of Horticultural Science, Kyungpook National University, Daegu, 4165122, South Korea
| | - Muthukrishnan Arun
- Department of Biotechnology and Genetic Engineering, School of Biotechnology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620024, India
| | - Ki Byung Lim
- Department of Horticultural Science, Kyungpook National University, Daegu, 4165122, South Korea
| | - Chang Kil Kim
- Department of Horticultural Science, Kyungpook National University, Daegu, 4165122, South Korea.
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Plouviez M, Wheeler D, Shilton A, Packer MA, McLenachan PA, Sanz-Luque E, Ocaña-Calahorro F, Fernández E, Guieysse B. The biosynthesis of nitrous oxide in the green alga Chlamydomonas reinhardtii. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2017; 91:45-56. [PMID: 28333392 DOI: 10.1111/tpj.13544] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 02/27/2017] [Accepted: 03/17/2017] [Indexed: 05/13/2023]
Abstract
Over the last decades, several studies have reported emissions of nitrous oxide (N2 O) from microalgal cultures and aquatic ecosystems characterized by a high level of algal activity (e.g. eutrophic lakes). As N2 O is a potent greenhouse gas and an ozone-depleting pollutant, these findings suggest that large-scale cultivation of microalgae (and possibly, natural eutrophic ecosystems) could have a significant environmental impact. Using the model unicellular microalga Chlamydomonas reinhardtii, this study was conducted to investigate the molecular basis of microalgal N2 O synthesis. We report that C. reinhardtii supplied with nitrite (NO2- ) under aerobic conditions can reduce NO2- into nitric oxide (NO) using either a mitochondrial cytochrome c oxidase (COX) or a dual enzymatic system of nitrate reductase (NR) and amidoxime-reducing component, and that NO is subsequently reduced into N2 O by the enzyme NO reductase (NOR). Based on experimental evidence and published literature, we hypothesize that when nitrate (NO3- ) is the main Nitrogen source and the intracellular concentration of NO2- is low (i.e. under physiological conditions), microalgal N2 O synthesis involves the reduction of NO3- to NO2- by NR followed by the reduction of NO2- to NO by the dual system involving NR. This microalgal N2 O pathway has broad implications for environmental science and algal biology because the pathway of NO3- assimilation is conserved among microalgae, and because its regulation may involve NO.
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Affiliation(s)
- Maxence Plouviez
- School of Engineering and Advanced Technology, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - David Wheeler
- Institute of Fundamental Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Andy Shilton
- School of Engineering and Advanced Technology, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Michael A Packer
- Cawthron Institute, 98 Halifax Street, Nelson, 7010, New Zealand
| | - Patricia A McLenachan
- Institute of Fundamental Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Emanuel Sanz-Luque
- Department of Biochemistry and Molecular Biology, University of Cordoba, Campus de Rabanales, Campus de excelencia internacional (CeiA3), Edif. Severo Ochoa, Córdoba, 14071, Spain
| | - Francisco Ocaña-Calahorro
- Department of Biochemistry and Molecular Biology, University of Cordoba, Campus de Rabanales, Campus de excelencia internacional (CeiA3), Edif. Severo Ochoa, Córdoba, 14071, Spain
| | - Emilio Fernández
- Department of Biochemistry and Molecular Biology, University of Cordoba, Campus de Rabanales, Campus de excelencia internacional (CeiA3), Edif. Severo Ochoa, Córdoba, 14071, Spain
| | - Benoit Guieysse
- School of Engineering and Advanced Technology, Massey University, Private Bag 11222, Palmerston North, New Zealand
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Abstract
Emerging pathogens of crops threaten food security and are increasingly problematic due to intensive agriculture and high volumes of trade and transport in plants and plant products. The ability to predict pathogen risk to agricultural regions would therefore be valuable. However, predictions are complicated by multi-faceted relationships between crops, their pathogens, and climate change. Climate change is related to industrialization, which has brought not only a rise in greenhouse gas emissions but also an increase in other atmospheric pollutants. Here, we consider the implications of rising levels of reactive nitrogen gases and their manifold interactions with crops and crop diseases.
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Affiliation(s)
- Helen N Fones
- Biosciences, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK.
| | - Sarah J Gurr
- Biosciences, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK
- Rothamsted Research, North Wyke, Okehampton, EX20 2SB, UK
- Donder's Hon Chair, University of Utrecht, Padualaan 8, 3584 CH, Utrecht, The Netherlands
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Nitric oxide-polyamines cross-talk during dormancy release and germination of apple embryos. Nitric Oxide 2016; 68:38-50. [PMID: 27890695 DOI: 10.1016/j.niox.2016.11.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 11/15/2016] [Accepted: 11/16/2016] [Indexed: 12/20/2022]
Abstract
Nitric oxide (NO) and polyamines (PAs) belong to plant growth and development regulators. These compounds play a key role in numerous physiological processes e.g. seed germination. Based on the suggestion of overlapping of NO and PAs biosynthetic pathways, we demonstrated a cross-talk of NO and PAs in regulation of embryonic dormancy release. The aim of the work was to investigate an impact of PAs (Put, Spd and Spm) or NO short-term fumigation on nitrite, urea, Arg and ornithine (Orn) content, NO synthase-like (NOS-like) and arginase activity in axes of apple (Malus domestica Borkh.) embryos during dormancy alleviation and at the stage of termination of germination sensu stricto. NO, Put/Spd induced dormancy breakage and germination of apple embryos corresponded to stimulation of urea cycle and high free Arg pool in seedlings roots. After two days of the culture Put and Spd stimulated Arg dependent NO formation, inhibition of which was observed after Spm application. Put or Spd application as well as NO short-term pretreatment of apple embryos influenced level of ubiquitin-conjugated proteins. Higher abundance of such modified proteins correlated well to the declined content of nitrated proteins, suggesting their important role in regulation of embryo germination. NO led to stimulation of embryos germination by increasing level of free PAs (mostly Put). While transcriptomic approach showed down regulation of Spm synthesis and up-regulation of Spm degradation by NO, confirming negative role of Spm over-accumulation in embryo dormancy removal. Our data clearly indicate positive relationship of NO-Put/Spd acting as dormancy removing factors.
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Shumaev KB, Kosmachevskaya OV, Chumikina LV, Topunov AF. Dinitrosyl Iron Complexes and other Physiological Metabolites of Nitric Oxide: Multifarious Role in Plants. Nat Prod Commun 2016. [DOI: 10.1177/1934578x1601100839] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This review considers dinitrosyl iron complexes (DNICs) and some other metabolites of nitric oxide (NO) in plants. Nitric oxide is vital for all living organisms, although its role in plants has been studied insufficiently compared with that in animals. We presume that the spectrum of its functions in plants is even wider than in animals. The main NO metabolites could be S-nitrosothiols, DNICs and peroxynitrite. Of particular interest are pro- and antioxidant properties of these compounds. DNICs function and their potential biosynthetic role in plants are practically unknown and brought to the limelight in this review. Since the process of NO biosynthesis in plants is still under discussion, we also specially examine this problem.
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Affiliation(s)
- Konstantin B. Shumaev
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, 119071, Russian Federation
| | - Olga V. Kosmachevskaya
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, 119071, Russian Federation
| | - Ludmila V. Chumikina
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, 119071, Russian Federation
| | - Alexey F. Topunov
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, 119071, Russian Federation
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Hirsh DJ, Schieler BM, Fomchenko KM, Jordan ET, Bidle KD. A liposome-encapsulated spin trap for the detection of nitric oxide. Free Radic Biol Med 2016; 96:199-210. [PMID: 27112665 DOI: 10.1016/j.freeradbiomed.2016.04.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 04/09/2016] [Accepted: 04/21/2016] [Indexed: 01/08/2023]
Abstract
Electron paramagnetic resonance (EPR) is one of the few methods that allows for the unambiguous detection of nitric oxide (NO). However, the dithiocarbamate-iron spin traps employed with this method inhibit the activity of nitric oxide synthase and catalyze NO production from nitrite. These disadvantages limit EPR's application to biological NO detection. We present a liposome-encapsulated spin-trap (LEST) method for the capture and in situ detection of NO by EPR. The method shows a linear response for [NO]≥4µM and can detect [NO]≥40nM in a 500µL sample (≥20 pmol). The kinetics of NO production can be followed in real time over minutes to hours. LEST does not inhibit the activity of inducible nitric oxide synthase or nitrate reductase and shows minimal abiotic NO production in the presence of nitrite and NADH. Nitrate reductase-like activity is detected in cell lysates of the coccolithophore Emiliania huxleyi and is elevated in virus-infected culture. This method shows particular promise for NO detection in cell lysates and crude preparations of NO-producing tissues.
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Affiliation(s)
- Donald J Hirsh
- Department of Chemistry, The College of New Jersey, Ewing, NJ 08628, United States
| | - Brittany M Schieler
- Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, United States
| | | | - Ethan T Jordan
- Department of Biology, Marine Biology & Environmental Science, William Rogers University, Bristol, RI 02809, United States
| | - Kay D Bidle
- Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, United States
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Hussain A, Mun BG, Imran QM, Lee SU, Adamu TA, Shahid M, Kim KM, Yun BW. Nitric Oxide Mediated Transcriptome Profiling Reveals Activation of Multiple Regulatory Pathways in Arabidopsis thaliana. FRONTIERS IN PLANT SCIENCE 2016; 7:975. [PMID: 27446194 PMCID: PMC4926318 DOI: 10.3389/fpls.2016.00975] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 06/20/2016] [Indexed: 05/18/2023]
Abstract
Imbalance between the accumulation and removal of nitric oxide and its derivatives is a challenge faced by all plants at the cellular level, and is especially important under stress conditions. Exposure of plants to various biotic and abiotic stresses causes rapid changes in cellular redox tone potentiated by the rise in reactive nitrogen species that serve as signaling molecules in mediating defensive responses. To understand mechanisms mediated by these signaling molecules, we performed a large-scale analysis of the Arabidopsis transcriptome induced by nitrosative stress. We generated an average of 84 and 91 million reads from three replicates each of control and 1 mM S-nitrosocysteine (CysNO)-infiltrated Arabidopsis leaf samples, respectively. After alignment, more than 95% of all reads successfully mapped to the reference and 32,535 genes and 55,682 transcripts were obtained. CysNO infiltration caused differential expression of 6436 genes (3448 up-regulated and 2988 down-regulated) and 6214 transcripts (3335 up-regulated and 2879 down-regulated) 6 h post-infiltration. These differentially expressed genes were found to be involved in key physiological processes, including plant defense against various biotic and abiotic stresses, hormone signaling, and other developmental processes. After quantile normalization of the FPKM values followed by student's T-test (P < 0.05) we identified 1165 DEGs (463 up-regulated and 702 down-regulated) with at least 2-folds change in expression after CysNO treatment. Expression patterns of selected genes involved in various biological pathways were verified using quantitative real-time PCR. This study provides comprehensive information about plant responses to nitrosative stress at transcript level and would prove helpful in understanding and incorporating mechanisms associated with nitrosative stress responses in plants.
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Affiliation(s)
- Adil Hussain
- Department of Agriculture, Abdul Wali Khan University MardanMardan, Pakistan
- Laboratory of Plant Functional Genomics, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
| | - Bong-Gyu Mun
- Laboratory of Plant Functional Genomics, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
| | - Qari M. Imran
- Laboratory of Plant Functional Genomics, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
| | - Sang-Uk Lee
- Laboratory of Plant Functional Genomics, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
| | - Teferi A. Adamu
- Laboratory of Plant Functional Genomics, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
| | - Muhammad Shahid
- Laboratory of Plant Functional Genomics, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
| | - Kyung-Min Kim
- Laboratory of Plant Molecular Breeding, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
| | - Byung-Wook Yun
- Laboratory of Plant Functional Genomics, School of Applied Biosciences, Kyungpook National UniversityDaegu, South Korea
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42
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Biological consilience of hydrogen sulfide and nitric oxide in plants: Gases of primordial earth linking plant, microbial and animal physiologies. Nitric Oxide 2016; 55-56:91-100. [DOI: 10.1016/j.niox.2016.04.002] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 04/03/2016] [Accepted: 04/11/2016] [Indexed: 12/18/2022]
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43
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Nitric oxide in fungi: is there NO light at the end of the tunnel? Curr Genet 2016; 62:513-8. [PMID: 26886232 PMCID: PMC4929157 DOI: 10.1007/s00294-016-0574-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 01/31/2016] [Accepted: 02/02/2016] [Indexed: 12/19/2022]
Abstract
Nitric oxide (NO) is a remarkable gaseous molecule with multiple and important roles in different organisms, including fungi. However, the study of the biology of NO in fungi has been hindered by the lack of a complete knowledge on the different metabolic routes that allow a proper NO balance, and the regulation of these routes. Fungi have developed NO detoxification mechanisms to combat nitrosative stress, which have been mainly characterized by their connection to pathogenesis or nitrogen metabolism. However, the progress on the studies of NO anabolic routes in fungi has been hampered by efforts to disrupt candidate genes that gave no conclusive data until recently. This review summarizes the different roles of NO in fungal biology and pathogenesis, with an emphasis on the alternatives to explain fungal NO production and the recent findings on the involvement of nitrate reductase in the synthesis of NO and its regulation during fungal development.
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44
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Yamasaki H, Watanabe NS, Sakihama Y, Cohen MF. An Overview of Methods in Plant Nitric Oxide (NO) Research: Why Do We Always Need to Use Multiple Methods? Methods Mol Biol 2016; 1424:1-14. [PMID: 27094406 DOI: 10.1007/978-1-4939-3600-7_1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The free radical nitric oxide (NO) is a universal signaling molecule among living organisms. To investigate versatile functions of NO in plants it is essential to analyze biologically produced NO with an appropriate method. Owing to the uniqueness of NO, plant researchers may encounter difficulties in applying methods that have been developed for mammalian study. Based on our experience, we present here a practical guide to NO measurement fitted to plant biology.
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Affiliation(s)
- Hideo Yamasaki
- Faculty of Science, University of the Ryukyus, Nishihara, Okinawa, 903-0213, Japan.
| | - Naoko S Watanabe
- Faculty of Science, University of the Ryukyus, Nishihara, Okinawa, 903-0213, Japan
| | - Yasuko Sakihama
- Research Faculty of Agriculture, Hokkaido University, Kita Ku, Kita 9, Nishi 9, Sapporo, Hokkaido, 060-8589, Japan
| | - Michael F Cohen
- Department of Biology, Sonoma State University, Rohnert Park, CA, 94928, USA.,Biological Systems Unit, Okinawa Institute of Science and Technology, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa, 904-0495, Japan
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45
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Krasuska U, Dębska K, Otulak K, Bogatek R, Gniazdowska A. Switch from heterotrophy to autotrophy of apple cotyledons depends on NO signal. PLANTA 2015; 242:1221-36. [PMID: 26186967 PMCID: PMC4568022 DOI: 10.1007/s00425-015-2361-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 06/24/2015] [Indexed: 05/23/2023]
Abstract
NO accelerates transition of germinated embryos from heterotrophy to autotrophy by stimulation of chloroplasts maturation. NO-mediated autotrophy of apple seedlings correlates to increased content of RuBisCO small subunit and improvement of parameters of chlorophyll a fluorescence. Nitric oxide (NO) acts as signaling molecule involved in regulation of various physiological processes in plants, although its involvement in cotyledons greening is poorly recognized. To identify the importance of NO signal for plant growth and development we investigated the effects of short-term application of NO at various developmental stages of seedlings of apple (Malus domestica Borkh.) on cotyledons' chlorophyll a to b ratio, chlorophyll a fluorescence, photosynthetic activity, carbohydrates and RuBisCO both subunits content. NO-dependent biochemical alterations were linked to cytological observation of developing plastids in cotyledons of apple plants. Abnormal plantlets developing from dormant apple embryos are characterized by anatomical malformations of cotyledons. Short-term pre-treatment with NO of isolated embryos or seedlings with developmental anomalies resulted in formation of plants with cotyledons of equal size and chlorophyll content; these responses were blocked by NO scavenger. NO independently of time point of application accelerated embryos transition from heterotrophy to autotrophy by stimulation of photosynthetic activity, improvement of parameters of chlorophyll a fluorescence (F v/F m, F v/F 0) and increased content of RuBisCO small subunit. Further analysis showed that NO application modified glucose and hydrogen peroxide concentration in cotyledons. Beneficial effect of NO on development of seedlings without any abnormalities was manifested at ultrastructural level by decline in amount of proplastids and induction of formation and maturation of chloroplasts. Our data suggest that progress of autotrophy of young seedlings is governed by NO acting as stimulator of chloroplast-to-nucleus signaling.
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Affiliation(s)
- Urszula Krasuska
- Department of Plant Physiology, Warsaw University of Life Sciences-SGGW, Nowoursynowska Str. 159, 02-776, Warsaw, Poland.
| | - Karolina Dębska
- Department of Plant Physiology, Warsaw University of Life Sciences-SGGW, Nowoursynowska Str. 159, 02-776, Warsaw, Poland.
| | - Katarzyna Otulak
- Department of Botany, Warsaw University of Life Sciences-SGGW, Nowoursynowska Str. 159, 02-776, Warsaw, Poland.
| | - Renata Bogatek
- Department of Plant Physiology, Warsaw University of Life Sciences-SGGW, Nowoursynowska Str. 159, 02-776, Warsaw, Poland.
| | - Agnieszka Gniazdowska
- Department of Plant Physiology, Warsaw University of Life Sciences-SGGW, Nowoursynowska Str. 159, 02-776, Warsaw, Poland.
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46
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Marcos AT, Ramos MS, Marcos JF, Carmona L, Strauss J, Cánovas D. Nitric oxide synthesis by nitrate reductase is regulated during development in Aspergillus. Mol Microbiol 2015; 99:15-33. [PMID: 26353949 PMCID: PMC4982101 DOI: 10.1111/mmi.13211] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2015] [Indexed: 02/07/2023]
Abstract
Nitric oxide (NO) is a signalling molecule involved in many biological processes in bacteria, plants and mammals. However, little is known about the role and biosynthesis of NO in fungi. Here we show that NO production is increased at the early stages of the transition from vegetative growth to development in Aspergillus nidulans. Full NO production requires a functional nitrate reductase (NR) gene (niaD) that is upregulated upon induction of conidiation, even under N‐repressing conditions in the presence of ammonium. At this stage, NO homeostasis is achieved by balancing biosynthesis (NR) and catabolism (flavohaemoglobins). niaD and flavohaemoglobin fhbA are transiently upregulated upon induction of conidiation, and both regulators AreA and NirA are necessary for this transcriptional response. The second flavohaemoglobin gene fhbB shows a different expression profile being moderately expressed during the early stages of the transition phase from vegetative growth to conidiation, but it is strongly induced 24 h later. NO levels influence the balance between conidiation and sexual reproduction because artificial strong elevation of NO levels reduced conidiation and induced the formation of cleistothecia. The nitrate‐independent and nitrogen metabolite repression‐insensitive transcriptional upregulation of niaD during conidiation suggests a novel role for NR in linking metabolism and development.
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Affiliation(s)
- Ana T Marcos
- Departamento de Genética, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - María S Ramos
- Departamento de Genética, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - Jose F Marcos
- Department of Food Science, Institute of Agrochemistry and Food Technology (IATA), Valencia, Spain
| | - Lourdes Carmona
- Department of Food Science, Institute of Agrochemistry and Food Technology (IATA), Valencia, Spain
| | - Joseph Strauss
- Fungal Genetics and Genomics Unit, Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences (BOKU) Vienna, Vienna, Austria.,Department of Health and Environment, Bioresources, Austrian Institute of Technology (AIT), Vienna, Austria
| | - David Cánovas
- Departamento de Genética, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
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Foresi N, Mayta ML, Lodeyro AF, Scuffi D, Correa-Aragunde N, García-Mata C, Casalongué C, Carrillo N, Lamattina L. Expression of the tetrahydrofolate-dependent nitric oxide synthase from the green alga Ostreococcus tauri increases tolerance to abiotic stresses and influences stomatal development in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2015; 82:806-21. [PMID: 25880454 DOI: 10.1111/tpj.12852] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 03/17/2015] [Accepted: 04/01/2015] [Indexed: 05/17/2023]
Abstract
Nitric oxide (NO) is a signaling molecule with diverse biological functions in plants. NO plays a crucial role in growth and development, from germination to senescence, and is also involved in plant responses to biotic and abiotic stresses. In animals, NO is synthesized by well-described nitric oxide synthase (NOS) enzymes. NOS activity has also been detected in higher plants, but no gene encoding an NOS protein, or the enzymes required for synthesis of tetrahydrobiopterin, an essential cofactor of mammalian NOS activity, have been identified so far. Recently, an NOS gene from the unicellular marine alga Ostreococcus tauri (OtNOS) has been discovered and characterized. Arabidopsis thaliana plants were transformed with OtNOS under the control of the inducible short promoter fragment (SPF) of the sunflower (Helianthus annuus) Hahb-4 gene, which responds to abiotic stresses and abscisic acid. Transgenic plants expressing OtNOS accumulated higher NO concentrations compared with siblings transformed with the empty vector, and displayed enhanced salt, drought and oxidative stress tolerance. Moreover, transgenic OtNOS lines exhibited increased stomatal development compared with plants transformed with the empty vector. Both in vitro and in vivo experiments indicate that OtNOS, unlike mammalian NOS, efficiently uses tetrahydrofolate as a cofactor in Arabidopsis plants. The modulation of NO production to alleviate abiotic stress disturbances in higher plants highlights the potential of genetic manipulation to influence NO metabolism as a tool to improve plant fitness under adverse growth conditions.
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Affiliation(s)
- Noelia Foresi
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600, Mar del Plata, Argentina
| | - Martín L Mayta
- Instituto de Biología Molecular y Celular de Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, 2000, Rosario, Argentina
| | - Anabella F Lodeyro
- Instituto de Biología Molecular y Celular de Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, 2000, Rosario, Argentina
| | - Denise Scuffi
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600, Mar del Plata, Argentina
| | - Natalia Correa-Aragunde
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600, Mar del Plata, Argentina
| | - Carlos García-Mata
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600, Mar del Plata, Argentina
| | - Claudia Casalongué
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600, Mar del Plata, Argentina
| | - Néstor Carrillo
- Instituto de Biología Molecular y Celular de Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, 2000, Rosario, Argentina
| | - Lorenzo Lamattina
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CC 1245, 7600, Mar del Plata, Argentina
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Sanz L, Albertos P, Mateos I, Sánchez-Vicente I, Lechón T, Fernández-Marcos M, Lorenzo O. Nitric oxide (NO) and phytohormones crosstalk during early plant development. JOURNAL OF EXPERIMENTAL BOTANY 2015; 66:2857-68. [PMID: 25954048 DOI: 10.1093/jxb/erv213] [Citation(s) in RCA: 137] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
During the past two decades, nitric oxide (NO) has evolved from a mere gaseous free radical to become a new messenger in plant biology with an important role in a plethora of physiological processes. This molecule is involved in the regulation of plant growth and development, pathogen defence and abiotic stress responses, and in most cases this is achieved through its interaction with phytohormones. Understanding the role of plant growth regulators is essential to elucidate how plants activate the appropriate set of responses to a particular developmental stage or a particular stress. The first task to achieve this goal is the identification of molecular targets, especially those involved in the regulation of the crosstalk. The nature of NO targets in these growth and development processes and stress responses remains poorly described. Currently, the molecular mechanisms underlying the effects of NO in these processes and their interaction with other plant hormones are beginning to unravel. In this review, we made a compilation of the described interactions between NO and phytohormones during early plant developmental processes (i.e. seed dormancy and germination, hypocotyl elongation and root development).
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Affiliation(s)
- Luis Sanz
- Dpto. de Microbiología y Genética, Instituto Hispano-Luso de Investigaciones Agrarias (CIALE), Facultad de Biología, Universidad de Salamanca, C/ Río Duero 12, 37185 Salamanca, Spain
| | - Pablo Albertos
- Dpto. de Microbiología y Genética, Instituto Hispano-Luso de Investigaciones Agrarias (CIALE), Facultad de Biología, Universidad de Salamanca, C/ Río Duero 12, 37185 Salamanca, Spain
| | - Isabel Mateos
- Dpto. de Microbiología y Genética, Instituto Hispano-Luso de Investigaciones Agrarias (CIALE), Facultad de Biología, Universidad de Salamanca, C/ Río Duero 12, 37185 Salamanca, Spain
| | - Inmaculada Sánchez-Vicente
- Dpto. de Microbiología y Genética, Instituto Hispano-Luso de Investigaciones Agrarias (CIALE), Facultad de Biología, Universidad de Salamanca, C/ Río Duero 12, 37185 Salamanca, Spain
| | - Tamara Lechón
- Dpto. de Microbiología y Genética, Instituto Hispano-Luso de Investigaciones Agrarias (CIALE), Facultad de Biología, Universidad de Salamanca, C/ Río Duero 12, 37185 Salamanca, Spain
| | - María Fernández-Marcos
- Dpto. de Microbiología y Genética, Instituto Hispano-Luso de Investigaciones Agrarias (CIALE), Facultad de Biología, Universidad de Salamanca, C/ Río Duero 12, 37185 Salamanca, Spain
| | - Oscar Lorenzo
- Dpto. de Microbiología y Genética, Instituto Hispano-Luso de Investigaciones Agrarias (CIALE), Facultad de Biología, Universidad de Salamanca, C/ Río Duero 12, 37185 Salamanca, Spain
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49
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Nitrite reduction by molybdoenzymes: a new class of nitric oxide-forming nitrite reductases. J Biol Inorg Chem 2015; 20:403-33. [DOI: 10.1007/s00775-014-1234-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 12/14/2014] [Indexed: 02/07/2023]
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50
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Anifowose AJ, Takeda K, Sakugawa H. Photoformation rate, steady-state concentration and lifetime of nitric oxide radical (NO·) in a eutrophic river in Higashi-Hiroshima, Japan. CHEMOSPHERE 2015; 119:302-309. [PMID: 25036945 DOI: 10.1016/j.chemosphere.2014.06.063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Revised: 05/31/2014] [Accepted: 06/21/2014] [Indexed: 06/03/2023]
Abstract
Monthly measurements (January-December 2013) of the photoformation rate, steady-state concentration and lifetime of nitric oxide radical (NO·) in the Kurose River in Higashi-Hiroshima City, Japan, were obtained. Each month, river water samples were collected at six different stations (upstream to downstream). NO· was quantified using 4, 5-diaminofluorescein-2 (DAF-2) as a probe and triazolofluorescein (DAF-2T) as a standard. Results show that NO· photoformation rate ranged from 0.01 to 35.4 (×10(-10) M s(-1)). The radical steady-state concentration in the river ranged from 0.02 to 68.5 (×10(-11) M). There was a strong correlation (r(2)=0.95) between NO· photoformation rate and the nitrite concentration in the river suggesting that this anion is a major NO· precursor. On average, 98% of the photoformed NO· came from river nitrite, and this was calculated using the photoformation rate constant {5.7×10(-5) M(NO·)s(-1) M(NO2(-))(-1)} of NO· from the anion concentration found in the study. The NO· lifetime ranged from 0.05 to 1.3 s in the river and remained fairly stable in the upstream and downstream samples. The ·OH radical, which was quantified during the study, had a photoformation rate of 0.01-13.4 (×10(-10) M s(-1)) and a steady-state concentration of 0.04-119 (×10(-16) M) with a lifetime that ranged from 0.3 to 22.5 (×10(-6) s). ·OH only accounted for ⩽0.0011% of the total NO· scavenged, showing that it was not a major sink for river NO·.
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Affiliation(s)
- Adebanjo Jacob Anifowose
- Department of Environmental Dynamics and Management, Graduate School of Biosphere Science, Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima 739-8521, Japan.
| | - Kazuhiko Takeda
- Department of Environmental Dynamics and Management, Graduate School of Biosphere Science, Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima 739-8521, Japan.
| | - Hiroshi Sakugawa
- Department of Environmental Dynamics and Management, Graduate School of Biosphere Science, Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima 739-8521, Japan.
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