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Sougrakpam Y, Babuta P, Deswal R. Nitric oxide (NO) modulates low temperature-stress signaling via S-nitrosation, a NO PTM, inducing ethylene biosynthesis inhibition leading to enhanced post-harvest shelf-life of agricultural produce. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2023; 29:2051-2065. [PMID: 38222283 PMCID: PMC10784255 DOI: 10.1007/s12298-023-01371-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/10/2023] [Accepted: 10/13/2023] [Indexed: 01/16/2024]
Abstract
Low temperature (cold) stress is one of the major abiotic stress conditions affecting crop productivity worldwide. Nitric oxide (NO) is a dynamic signaling molecule that interacts with various stress regulators and provides abiotic stress tolerance. Stress enhanced NO contributes to S-nitrosothiol accumulation which causes oxidation of the -SH group in proteins leading to S-nitrosation, a post-translational modification. Cold stress induced in vivo S-nitrosation of > 240 proteins majorly belonging to stress/signaling/redox (myrosinase, SOD, GST, CS, DHAR), photosynthesis (RuBisCO, PRK), metabolism (FBA, GAPDH, TPI, SBPase), and cell wall modification (Beta-xylosidases, alpha-l-arabinogalactan) in different crop plants indicated role of NO in these important cellular and metabolic pathways. NO mediated regulation of a transcription factor CBF (C-repeat Binding Factor, a transcription factor) at transcriptional and post-translational level was shown in Solanum lycopersicum seedlings. NO donor priming enhances seed germination, breaks dormancy and provides tolerance to stress in crops. Its role in averting stress, promoting seed germination, and delaying senescence paved the way for use of NO and NO releasing compounds to prevent crop loss and increase the shelf-life of fruits and vegetables. An alternative to energy consuming and expensive cold storage led to development of a storage device called "shelf-life enhancer" that delays senescence and increases shelf-life at ambient temperature (25-27 °C) using NO donor. The present review summarizes NO research in plants and exploration of NO for its translational potential to improve agricultural yield and post-harvest crop loss. Supplementary Information The online version contains supplementary material available at 10.1007/s12298-023-01371-z.
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Affiliation(s)
- Yaiphabi Sougrakpam
- Molecular Physiology and Proteomics Laboratory, Department of Botany, University of Delhi, New Delhi, Delhi 110007 India
| | - Priyanka Babuta
- Molecular Physiology and Proteomics Laboratory, Department of Botany, University of Delhi, New Delhi, Delhi 110007 India
| | - Renu Deswal
- Molecular Physiology and Proteomics Laboratory, Department of Botany, University of Delhi, New Delhi, Delhi 110007 India
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Fu ZW, Feng YR, Gao X, Ding F, Li JH, Yuan TT, Lu YT. Salt stress-induced chloroplastic hydrogen peroxide stimulates pdTPI sulfenylation and methylglyoxal accumulation. THE PLANT CELL 2023; 35:1593-1616. [PMID: 36695476 PMCID: PMC10118271 DOI: 10.1093/plcell/koad019] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 01/24/2023] [Indexed: 06/17/2023]
Abstract
High salinity, an adverse environmental factor affecting about 20% of irrigated arable land worldwide, inhibits plant growth and development by causing oxidative stress, damaging cellular components, and disturbing global metabolism. However, whether and how reactive oxygen species disturb the metabolism of salt-stressed plants remain elusive. Here, we report that salt-induced hydrogen peroxide (H2O2) inhibits the activity of plastid triose phosphate isomerase (pdTPI) to promote methylglyoxal (MG) accumulation and stimulates the sulfenylation of pdTPI at cysteine 74. We also show that MG is a key factor limiting the plant growth, as a decrease in MG levels completely rescued the stunted growth and repressed salt stress tolerance of the pdtpi mutant. Furthermore, targeting CATALASE 2 into chloroplasts to prevent salt-induced overaccumulation of H2O2 conferred salt stress tolerance, revealing a role for chloroplastic H2O2 in salt-caused plant damage. In addition, we demonstrate that the H2O2-mediated accumulation of MG in turn induces H2O2 production, thus forming a regulatory loop that further inhibits the pdTPI activity in salt-stressed plants. Our findings, therefore, illustrate how salt stress induces MG production to inhibit the plant growth.
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Affiliation(s)
- Zheng-Wei Fu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, China
| | - Yu-Rui Feng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, China
| | - Xiang Gao
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, China
| | - Feng Ding
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, China
| | - Jian-Hui Li
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, China
| | - Ting-Ting Yuan
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, China
| | - Ying-Tang Lu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, China
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Dorion S, Ouellet JC, Rivoal J. Glutathione Metabolism in Plants under Stress: Beyond Reactive Oxygen Species Detoxification. Metabolites 2021; 11:metabo11090641. [PMID: 34564457 PMCID: PMC8464934 DOI: 10.3390/metabo11090641] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/14/2021] [Accepted: 09/14/2021] [Indexed: 01/16/2023] Open
Abstract
Glutathione is an essential metabolite for plant life best known for its role in the control of reactive oxygen species (ROS). Glutathione is also involved in the detoxification of methylglyoxal (MG) which, much like ROS, is produced at low levels by aerobic metabolism under normal conditions. While several physiological processes depend on ROS and MG, a variety of stresses can dramatically increase their concentration leading to potentially deleterious effects. In this review, we examine the structure and the stress regulation of the pathways involved in glutathione synthesis and degradation. We provide a synthesis of the current knowledge on the glutathione-dependent glyoxalase pathway responsible for MG detoxification. We present recent developments on the organization of the glyoxalase pathway in which alternative splicing generate a number of isoforms targeted to various subcellular compartments. Stress regulation of enzymes involved in MG detoxification occurs at multiple levels. A growing number of studies show that oxidative stress promotes the covalent modification of proteins by glutathione. This post-translational modification is called S-glutathionylation. It affects the function of several target proteins and is relevant to stress adaptation. We address this regulatory function in an analysis of the enzymes and pathways targeted by S-glutathionylation.
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Manuel AM, van de Wetering C, MacPherson M, Erickson C, Murray C, Aboushousha R, van der Velden J, Dixon AE, Poynter ME, Irvin CG, Taatjes DJ, van der Vliet A, Anathy V, Janssen-Heininger YMW. Dysregulation of Pyruvate Kinase M2 Promotes Inflammation in a Mouse Model of Obese Allergic Asthma. Am J Respir Cell Mol Biol 2021; 64:709-721. [PMID: 33662229 PMCID: PMC8456891 DOI: 10.1165/rcmb.2020-0512oc] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/07/2021] [Indexed: 01/17/2023] Open
Abstract
Obesity is a risk factor for the development of asthma and represents a difficult-to-treat disease phenotype. Aerobic glycolysis is emerging as a key feature of asthma, and changes in glucose metabolism are linked to leukocyte activation and adaptation to oxidative stress. Dysregulation of PKM2 (pyruvate kinase M2), the enzyme that catalyzes the last step of glycolysis, contributes to house dust mite (HDM)-induced airway inflammation and remodeling in lean mice. It remains unclear whether glycolytic reprogramming and dysregulation of PKM2 also contribute to obese asthma. The goal of the present study was to elucidate the functional role of PKM2 in a murine model of obese allergic asthma. We evaluated the small molecule activator of PKM2, TEPP46, and assessed the role of PKM2 using conditional ablation of the Pkm2 allele from airway epithelial cells. In obese C57BL/6NJ mice, parameters indicative of glycolytic reprogramming remained unchanged in the absence of stimulation with HDM. Obese mice that were subjected to HDM showed evidence of glycolytic reprogramming, and treatment with TEPP46 diminished airway inflammation, whereas parameters of airway remodeling were unaffected. Epithelial ablation of Pkm2 decreased central airway resistance in both lean and obese allergic mice in addition to decreasing inflammatory cytokines in the lung tissue. Lastly, we highlight a novel role for PKM2 in the regulation of glutathione-dependent protein oxidation in the lung tissue of obese allergic mice via a putative IFN-γ-glutaredoxin1 pathway. Overall, targeting metabolism and protein oxidation may be a novel treatment strategy for obese allergic asthma.
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Affiliation(s)
| | | | | | - Cuixia Erickson
- Department of Pathology and Department of Laboratory Medicine, and
| | - Caliann Murray
- Department of Pathology and Department of Laboratory Medicine, and
| | - Reem Aboushousha
- Department of Pathology and Department of Laboratory Medicine, and
| | | | - Anne E. Dixon
- Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont
| | - Matthew E. Poynter
- Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont
| | - Charles G. Irvin
- Department of Medicine, Larner College of Medicine, University of Vermont, Burlington, Vermont
| | | | | | - Vikas Anathy
- Department of Pathology and Department of Laboratory Medicine, and
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Jimenez-Sandoval P, Castro-Torres E, González-González R, Díaz-Quezada C, Gurrola M, Camacho-Manriquez LD, Leyva-Navarro L, Brieba LG. Crystal structures of Triosephosphate Isomerases from Taenia solium and Schistosoma mansoni provide insights for vaccine rationale and drug design against helminth parasites. PLoS Negl Trop Dis 2020; 14:e0007815. [PMID: 31923219 PMCID: PMC6980832 DOI: 10.1371/journal.pntd.0007815] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 01/23/2020] [Accepted: 09/27/2019] [Indexed: 12/18/2022] Open
Abstract
Triosephosphate isomerases (TPIs) from Taenia solium (TsTPI) and
Schistosoma mansoni (SmTPI) are potential vaccine and drug
targets against cysticercosis and schistosomiasis, respectively. This is due to
the dependence of parasitic helminths on glycolysis and because those proteins
elicit an immune response, presumably due to their surface localization. Here we
report the crystal structures of TsTPI and SmTPI in complex with
2-phosphoglyceric acid (2-PGA). Both TPIs fold into a dimeric (β-α)8
barrel in which the dimer interface consists of α-helices 2, 3, and 4, and
swapping of loop 3. TPIs from parasitic helminths harbor a region of three amino
acids knows as the SXD/E insert (S155 to E157 and S157 to D159 in TsTPI and
SmTPI, respectively). This insert is located between α5 and β6 and is proposed
to be the main TPI epitope. This region is part of a solvent-exposed
310–helix that folds into a hook-like structure. The crystal
structures of TsTPI and SmTPI predicted conformational epitopes that could be
used for vaccine design. Surprisingly, the epitopes corresponding to the SXD/E
inserts are not the ones with the greatest immunological potential. SmTPI, but
not TsTPI, habors a sole solvent exposed cysteine (SmTPI-S230) and alterations
in this residue decrease catalysis. The latter suggests that thiol-conjugating
agents could be used to target SmTPI. In sum, the crystal structures of SmTPI
and TsTPI are a blueprint for targeted schistosomiasis and cysticercosis drug
and vaccine development. Because of the worldwide prevalence of schistosomiasis and cysticercosis, it is
critical to develop drugs and vaccines against their causative agents. The
glycolytic enzyme triosephosphate isomerase (TPI) is a dual-edged sword against
diseases caused by parasitic helminths. This is because helminths heavily depend
on glycolysis for energy and because the surface localization exhibited by TPIs
that elicits an immune response against those organisms. Here we provide the
crystal structures TPIs from Taenia solium and
Schistosoma mansoni as a first step for vaccine and drug
design. As a proof of concept we found that modifications in the single solvent
exposed cysteine of TPI from S. mansoni
decreases catalysis, making this enzyme a novel target against
schistosomiasis.
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Affiliation(s)
- Pedro Jimenez-Sandoval
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
| | - Eduardo Castro-Torres
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
| | - Rogelio González-González
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
| | - Corina Díaz-Quezada
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
| | - Misraim Gurrola
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
| | - Laura D. Camacho-Manriquez
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
| | - Lucia Leyva-Navarro
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
| | - Luis G. Brieba
- Laboratorio Nacional de Genómica para la Biodiversidad,
Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, Guanajuato,
México
- * E-mail:
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