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Groß F, Rudolf EE, Thiele B, Durner J, Astier J. Copper amine oxidase 8 regulates arginine-dependent nitric oxide production in Arabidopsis thaliana. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:2149-2162. [PMID: 28383668 PMCID: PMC5447880 DOI: 10.1093/jxb/erx105] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Nitric oxide (NO) is a key signaling molecule in plants, regulating a wide range of physiological processes. However, its origin in plants remains unclear. It can be generated from nitrite through a reductive pathway, notably via the action of the nitrate reductase (NR), and evidence suggests an additional oxidative pathway, involving arginine. From an initial screen of potential Arabidopsis thaliana mutants impaired in NO production, we identified copper amine oxidase 8 (CuAO8). Two cuao8 mutant lines displayed a decreased NO production in seedlings after elicitor treatment and salt stress. The NR-dependent pathway was not responsible for the impaired NO production as no change in NR activity was found in the mutants. However, total arginase activity was strongly increased in cuao8 knockout mutants after salt stress. Moreover, NO production could be restored in the mutants by arginase inhibition or arginine addition. Furthermore, arginine supplementation reversed the root growth phenotype observed in the mutants. These results demonstrate that CuAO8 participates in NO production by influencing arginine availability through the modulation of arginase activity. The influence of CuAO8 on arginine-dependent NO synthesis suggests a new regulatory pathway for NO production in plants.
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Affiliation(s)
- Felicitas Groß
- Helmholtz Zentrum München, Department of Environmental Science, Institute of Biochemical Plant Pathology,D-85764 Neuherberg, Germany
| | - Eva-Esther Rudolf
- Helmholtz Zentrum München, Department of Environmental Science, Institute of Biochemical Plant Pathology,D-85764 Neuherberg, Germany
| | - Björn Thiele
- Forschungszentrum Jülich, Institute for Bio-and Geoscience, IBG-2, D-52428 Jülich, Germany
| | - Jörg Durner
- Helmholtz Zentrum München, Department of Environmental Science, Institute of Biochemical Plant Pathology, D-85764 Neuherberg, Germany
- Technical University Munich, Wissenschaftszentrum Weihenstephan, D-80333 München, Germany
| | - Jeremy Astier
- Helmholtz Zentrum München, Department of Environmental Science, Institute of Biochemical Plant Pathology,D-85764 Neuherberg, Germany
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Enhanced Iron and Selenium Uptake in Plants by Volatile Emissions of Bacillus amyloliquefaciens (BF06). APPLIED SCIENCES-BASEL 2017. [DOI: 10.3390/app7010085] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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53
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Chungopast S, Duangkhet M, Tajima S, Ma JF, Nomura M. Iron-induced nitric oxide leads to an increase in the expression of ferritin during the senescence of Lotus japonicus nodules. JOURNAL OF PLANT PHYSIOLOGY 2017; 208:40-46. [PMID: 27889519 DOI: 10.1016/j.jplph.2016.11.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Revised: 08/25/2016] [Accepted: 11/14/2016] [Indexed: 06/06/2023]
Abstract
Iron is an essential nutrient for legume-rhizobium symbiosis and accumulates abundantly in the nodules. However, the concentration of free iron in the cells is strictly controlled to avoid toxicity. It is known that ferritin accumulates in the cells as an iron storage protein. During nodule senescence, the expression of the ferritin gene, Ljfer1, was induced in Lotus japonicus. We investigated a signal transduction pathway leading to the increase of Ljfer1 in the nodule. The Ljfer1 promoter of L. japonicus contains a conserved Iron-Dependent Regulatory Sequence (IDRS). The expression of Ljfer1 was induced by the application of iron or sodium nitroprusside, which is a nitric oxide (NO) donor. The application of iron to the nodule increased the level of NO. These data strongly suggest that iron-induced NO leads to increased expression of Ljfer1 during the senescence of L. japonicus nodules.
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Affiliation(s)
- Sirinapa Chungopast
- Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan; Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakorn Pathom 73140, Thailand
| | - Mallika Duangkhet
- Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan
| | - Shigeyuki Tajima
- Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan
| | - Jian Feng Ma
- Institute of Plant Science and Resources, Okayama University, Kurashiki 710-0046, Japan
| | - Mika Nomura
- Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa 761-0795, Japan.
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Bonato P, Batista MB, Camilios-Neto D, Pankievicz VCS, Tadra-Sfeir MZ, Monteiro RA, Pedrosa FO, Souza EM, Chubatsu LS, Wassem R, Rigo LU. RNA-seq analyses reveal insights into the function of respiratory nitrate reductase of the diazotroph Herbaspirillum seropedicae. Environ Microbiol 2016; 18:2677-88. [DOI: 10.1111/1462-2920.13422] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 06/07/2016] [Indexed: 01/21/2023]
Affiliation(s)
- Paloma Bonato
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Marcelo B. Batista
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Doumit Camilios-Neto
- Department of Biochemistry and Biotechnology; Universidade Estadual de Londrina; Londrina PR Brazil
| | - Vânia C. S. Pankievicz
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Michelle Z. Tadra-Sfeir
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Rose Adele Monteiro
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Fabio O. Pedrosa
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Emanuel M. Souza
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Leda S. Chubatsu
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Roseli Wassem
- Department of Genetics; Universidade Federal do Paraná; Curitiba PR Brazil
| | - Liu Un Rigo
- Department of Biochemistry and Molecular Biology; Universidade Federal do Paraná; Curitiba PR Brazil
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55
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Lardi M, Murset V, Fischer HM, Mesa S, Ahrens CH, Zamboni N, Pessi G. Metabolomic Profiling of Bradyrhizobium diazoefficiens-Induced Root Nodules Reveals Both Host Plant-Specific and Developmental Signatures. Int J Mol Sci 2016; 17:E815. [PMID: 27240350 PMCID: PMC4926349 DOI: 10.3390/ijms17060815] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 05/13/2016] [Accepted: 05/19/2016] [Indexed: 01/17/2023] Open
Abstract
Bradyrhizobium diazoefficiens is a nitrogen-fixing endosymbiont, which can grow inside root-nodule cells of the agriculturally important soybean and other host plants. Our previous studies described B. diazoefficiens host-specific global expression changes occurring during legume infection at the transcript and protein level. In order to further characterize nodule metabolism, we here determine by flow injection-time-of-flight mass spectrometry analysis the metabolome of (i) nodules and roots from four different B. diazoefficiens host plants; (ii) soybean nodules harvested at different time points during nodule development; and (iii) soybean nodules infected by two strains mutated in key genes for nitrogen fixation, respectively. Ribose (soybean), tartaric acid (mungbean), hydroxybutanoyloxybutanoate (siratro) and catechol (cowpea) were among the metabolites found to be specifically elevated in one of the respective host plants. While the level of C4-dicarboxylic acids decreased during soybean nodule development, we observed an accumulation of trehalose-phosphate at 21 days post infection (dpi). Moreover, nodules from non-nitrogen-fixing bacteroids (nifA and nifH mutants) showed specific metabolic alterations; these were also supported by independent transcriptomics data. The alterations included signs of nitrogen limitation in both mutants, and an increased level of a phytoalexin in nodules induced by the nifA mutant, suggesting that the tissue of these nodules exhibits defense and stress reactions.
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Affiliation(s)
- Martina Lardi
- Department of Plant and Microbial Biology, University of Zürich, CH-8057 Zürich, Switzerland.
| | - Valérie Murset
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zürich, CH-8093 Zürich, Switzerland.
| | - Hans-Martin Fischer
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zürich, CH-8093 Zürich, Switzerland.
| | - Socorro Mesa
- Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas (CSIC), E-18080 Granada, Spain.
| | - Christian H Ahrens
- Agroscope, Institute for Plant Production Sciences, Research Group Molecular Diagnostics, Genomics and Bioinformatics & Swiss Institute of Bioinformatics (SIB), CH-8820 Wädenswil, Switzerland.
| | - Nicola Zamboni
- Institute of Molecular Systems Biology, ETH Zürich, CH-8093 Zürich, Switzerland.
| | - Gabriella Pessi
- Department of Plant and Microbial Biology, University of Zürich, CH-8057 Zürich, Switzerland.
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Corpas FJ. Reactive Nitrogen Species (RNS) in Plants Under Physiological and Adverse Environmental Conditions: Current View. PROGRESS IN BOTANY 2016:97-119. [PMID: 0 DOI: 10.1007/124_2016_3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Damiani I, Pauly N, Puppo A, Brouquisse R, Boscari A. Reactive Oxygen Species and Nitric Oxide Control Early Steps of the Legume - Rhizobium Symbiotic Interaction. FRONTIERS IN PLANT SCIENCE 2016; 7:454. [PMID: 27092165 PMCID: PMC4824774 DOI: 10.3389/fpls.2016.00454] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 03/23/2016] [Indexed: 05/07/2023]
Abstract
The symbiotic interaction between legumes and nitrogen-fixing rhizobium bacteria leads to the formation of a new organ, the nodule. Early steps of the interaction are characterized by the production of bacterial Nod factors, the reorientation of root-hair tip growth, the formation of an infection thread (IT) in the root hair, and the induction of cell division in inner cortical cells of the root, leading to a nodule primordium formation. Reactive oxygen species (ROS) and nitric oxide (NO) have been detected in early steps of the interaction. ROS/NO are determinant signals to arbitrate the specificity of this mutualistic association and modifications in their content impair the development of the symbiotic association. The decrease of ROS level prevents root hair curling and ITs formation, and that of NO conducts to delayed nodule formation. In root hairs, NADPH oxidases were shown to produce ROS which could be involved in the hair tip growth process. The use of enzyme inhibitors suggests that nitrate reductase and NO synthase-like enzymes are the main route for NO production during the early steps of the interaction. Transcriptomic analyses point to the involvement of ROS and NO in the success of the infection process, the induction of early nodulin gene expression, and the repression of plant defense, thereby favoring the establishment of the symbiosis. The occurrence of an interplay between ROS and NO was further supported by the finding of both S-sulfenylated and S-nitrosylated proteins during early symbiotic interaction, linking ROS/NO production to a redox-based regulation of the symbiotic process.
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Hichri I, Boscari A, Meilhoc E, Catalá M, Barreno E, Bruand C, Lanfranco L, Brouquisse R. Nitric Oxide: A Multitask Player in Plant–Microorganism Symbioses. GASOTRANSMITTERS IN PLANTS 2016. [DOI: 10.1007/978-3-319-40713-5_12] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Torres M, Simon J, Rowley G, Bedmar E, Richardson D, Gates A, Delgado M. Nitrous Oxide Metabolism in Nitrate-Reducing Bacteria: Physiology and Regulatory Mechanisms. Adv Microb Physiol 2016; 68:353-432. [PMID: 27134026 DOI: 10.1016/bs.ampbs.2016.02.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Nitrous oxide (N2O) is an important greenhouse gas (GHG) with substantial global warming potential and also contributes to ozone depletion through photochemical nitric oxide (NO) production in the stratosphere. The negative effects of N2O on climate and stratospheric ozone make N2O mitigation an international challenge. More than 60% of global N2O emissions are emitted from agricultural soils mainly due to the application of synthetic nitrogen-containing fertilizers. Thus, mitigation strategies must be developed which increase (or at least do not negatively impact) on agricultural efficiency whilst decrease the levels of N2O released. This aim is particularly important in the context of the ever expanding population and subsequent increased burden on the food chain. More than two-thirds of N2O emissions from soils can be attributed to bacterial and fungal denitrification and nitrification processes. In ammonia-oxidizing bacteria, N2O is formed through the oxidation of hydroxylamine to nitrite. In denitrifiers, nitrate is reduced to N2 via nitrite, NO and N2O production. In addition to denitrification, respiratory nitrate ammonification (also termed dissimilatory nitrate reduction to ammonium) is another important nitrate-reducing mechanism in soil, responsible for the loss of nitrate and production of N2O from reduction of NO that is formed as a by-product of the reduction process. This review will synthesize our current understanding of the environmental, regulatory and biochemical control of N2O emissions by nitrate-reducing bacteria and point to new solutions for agricultural GHG mitigation.
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60
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Guinel FC. Ethylene, a Hormone at the Center-Stage of Nodulation. FRONTIERS IN PLANT SCIENCE 2015; 6:1121. [PMID: 26834752 PMCID: PMC4714629 DOI: 10.3389/fpls.2015.01121] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 11/26/2015] [Indexed: 05/19/2023]
Abstract
Nodulation is the result of a beneficial interaction between legumes and rhizobia. It is a sophisticated process leading to nutrient exchange between the two types of symbionts. In this association, within a nodule, the rhizobia, using energy provided as photosynthates, fix atmospheric nitrogen and convert it to ammonium which is available to the plant. Nodulation is recognized as an essential process in nitrogen cycling and legume crops are known to enrich agricultural soils in nitrogenous compounds. Furthermore, as they are rich in nitrogen, legumes are considered important as staple foods for humans and fodder for animals. To tightly control this association and keep it mutualistic, the plant uses several means, including hormones. The hormone ethylene has been known as a negative regulator of nodulation for almost four decades. Since then, much progress has been made in the understanding of both the ethylene signaling pathway and the nodulation process. Here I have taken a large view, using recently obtained knowledge, to describe in some detail the major stages of the process. I have not only reviewed the steps most commonly covered (the common signaling transduction pathway, and the epidermal and cortical programs), but I have also looked into steps less understood (the pre-infection step with the plant defense response, the bacterial release and the formation of the symbiosome, and nodule functioning and senescence). After a succinct review of the ethylene signaling pathway, I have used the knowledge obtained from nodulation- and ethylene-related mutants to paint a more complete picture of the role played by the hormone in nodule organogenesis, functioning, and senescence. It transpires that ethylene is at the center of this effective symbiosis. It has not only been involved in most of the steps leading to a mature nodule, but it has also been implicated in host immunity and nodule senescence. It is likely responsible for the activation of other hormonal signaling pathways. I have completed the review by citing three studies which makes one wonder whether knowledge gained on nodulation in the last decades is ready to be transferred to agricultural fields.
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Simontacchi M, Galatro A, Ramos-Artuso F, Santa-María GE. Plant Survival in a Changing Environment: The Role of Nitric Oxide in Plant Responses to Abiotic Stress. FRONTIERS IN PLANT SCIENCE 2015; 6:977. [PMID: 26617619 PMCID: PMC4637419 DOI: 10.3389/fpls.2015.00977] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 10/26/2015] [Indexed: 05/20/2023]
Abstract
Nitric oxide in plants may originate endogenously or come from surrounding atmosphere and soil. Interestingly, this gaseous free radical is far from having a constant level and varies greatly among tissues depending on a given plant's ontogeny and environmental fluctuations. Proper plant growth, vegetative development, and reproduction require the integration of plant hormonal activity with the antioxidant network, as well as the maintenance of concentration of reactive oxygen and nitrogen species within a narrow range. Plants are frequently faced with abiotic stress conditions such as low nutrient availability, salinity, drought, high ultraviolet (UV) radiation and extreme temperatures, which can influence developmental processes and lead to growth restriction making adaptive responses the plant's priority. The ability of plants to respond and survive under environmental-stress conditions involves sensing and signaling events where nitric oxide becomes a critical component mediating hormonal actions, interacting with reactive oxygen species, and modulating gene expression and protein activity. This review focuses on the current knowledge of the role of nitric oxide in adaptive plant responses to some specific abiotic stress conditions, particularly low mineral nutrient supply, drought, salinity and high UV-B radiation.
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Affiliation(s)
- Marcela Simontacchi
- Instituto de Fisiología Vegetal, Universidad Nacional de La Plata–Consejo Nacional de Investigaciones Científicas y TécnicasLa Plata, Argentina
| | - Andrea Galatro
- Physical Chemistry – Institute for Biochemistry and Molecular Medicine, Faculty of Pharmacy and Biochemistry, University of Buenos Aires–Consejo Nacional de Investigaciones Científicas y TécnicasBuenos Aires, Argentina
| | - Facundo Ramos-Artuso
- Instituto de Fisiología Vegetal, Universidad Nacional de La Plata–Consejo Nacional de Investigaciones Científicas y TécnicasLa Plata, Argentina
| | - Guillermo E. Santa-María
- Instituto Tecnológico Chascomús, Consejo Nacional de Investigaciones Científicas y Técnicas–Universidad Nacional de San MartínChascomús, Argentina
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