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Li B, Liu C, Zhang W, Ren J, Song B, Yuan J. Ratiometric Lysosome-targeting Luminescent Probe Based on a Coumarin-Ruthenium(II) Complex for Formaldehyde Detection and Imaging in Living Cells and Mouse Brain Tissues. Methods 2023:S1046-2023(23)00100-7. [PMID: 37348825 DOI: 10.1016/j.ymeth.2023.06.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 06/24/2023] Open
Abstract
Ratiometric luminescence probes have attracted widespread attention because of their self-calibration capability. However, some defects, such as small emission shift, severe spectral overlap and poor water solubility, limit their application in the field of biological imaging. In this study, a unique luminescence probe, Ru-COU, has been developed by combining tris(bipyridine)ruthenium(II) complex with coumarin derivative through a formaldehyde-responsive linker. The probe exhibited a large emission shift (Δλ>100 nm) and good water solubility, achieving ratiometric emission responses at 505 nm and 610 nm toward formaldehyde under acidic conditions. Besides, ratiometric luminescence imaging of formaldehyde in living cells and Alzheimer disease mouse's brain slices demonstrates the potential value of Ru-COU for the diagnosis and treatment of formaldehyde related diseases.
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Affiliation(s)
- Bingyi Li
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, China
| | - Chaolong Liu
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, China
| | - Wenzhu Zhang
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, China.
| | - Junyu Ren
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, China
| | - Bo Song
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, China
| | - Jingli Yuan
- State Key Laboratory of Fine Chemicals, School of Chemistry, Dalian University of Technology, Dalian 116024, China.
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Min D, Li F, Ali M, Liu J, Fu X, Song Y, Ding J, Li X, Ji N, Zhang X. Interaction of methionine sulfoxide reductase B5 with SlMYC2 stimulates the transcription of MeJA-mediated autophagy-related genes in tomato fruit. HORTICULTURE RESEARCH 2023; 10:uhad012. [PMID: 36968182 PMCID: PMC10031729 DOI: 10.1093/hr/uhad012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Methyl jasmonate (MeJA) has been shown to induce autophagy in various plant stress responses and metabolic pathways. MYC2 is involved in MeJA-mediated postharvest fruit biological metabolism, but it is unclear how it affects MeJA-induced fruit autophagy. In this study, we noticed that silencing SlMYC2 significantly reduced the increase in autophagy-related genes (SlATGs) expression induced by MeJA. SlMYC2 could also bind to the promoters of several SlATGs, including SlATG13a, SlATG13b, SlATG18a, and SlATG18h, and activate their transcript levels. Moreover, SlMsrB5, a methionine sulfoxide reductase, could interact with SlMYC2. Methionine oxidation in SlMYC2 and mimicking sulfoxidation in SlMYC2 by mutation of methionine-542 to glutamine reduced the DNA-binding ability and transcriptional activity of SlMYC2, respectively. SlMsrB5 partially repaired oxidized SlMYC2 and restored its DNA-binding ability. On the other hand, silencing SlMsrB5 inhibited the transcript levels of SlMYC2-targeted genes (SlATG13a, SlATG13b, SlATG18a, and SlATG18h). Similarly, dual-luciferase reporter (DLR) analysis revealed that SlMsrB5-SlMYC2 interaction significantly increased the ability of SlMYC2-mediated transcriptional activation of SlATG13a, SlATG13b, SlATG18a, and SlATG18h. These findings demonstrate that SlMsrB5-mediated cyclic oxidation/reduction of methionine in SlMYC2 influences SlATGs expression. Collectively, these findings reveal the mechanism of SlMYC2 in SlATGs transcriptional regulation, providing insight into the mechanism of MeJA-mediated postharvest fruit quality regulation.
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Affiliation(s)
| | | | - Maratab Ali
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
- School of Food and Agricultural Sciences, University of Management and Technology, Lahore 54000, Pakistan
| | - Jiong Liu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Xiaodong Fu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Yanan Song
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Jun Ding
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Xiaoan Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
| | - Nana Ji
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, Shandong, China
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Lee HM, Choi DW, Kim S, Lee A, Kim M, Roh YJ, Jo YH, Cho HY, Lee HJ, Lee SR, Tarrago L, Gladyshev VN, Kim JH, Lee BC. Biosensor-Linked Immunosorbent Assay for the Quantification of Methionine Oxidation in Target Proteins. ACS Sens 2022; 7:131-141. [PMID: 34936330 DOI: 10.1021/acssensors.1c01819] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Methionine oxidation is involved in regulating the protein activity and often leads to protein malfunction. However, tools for quantitative analyses of protein-specific methionine oxidation are currently unavailable. In this work, we developed a biological sensor that quantifies oxidized methionine in the form of methionine-R-sulfoxide in target proteins. The biosensor "tpMetROG" consists of methionine sulfoxide reductase B (MsrB), circularly permuted yellow fluorescent protein (cpYFP), thioredoxin, and protein G. Protein G binds to the constant region of antibodies against target proteins, specifically capturing them. Then, MsrB reduces the oxidized methionine in these proteins, leading to cpYFP fluorescence changes. We assessed this biosensor for quantitative analysis of methionine-R-sulfoxide in various proteins, such as calmodulin, IDLO, LegP, Sacde, and actin. We further developed an immunosorbent assay using the biosensor to quantify methionine oxidation in specific proteins such as calmodulin in animal tissues. The biosensor-linked immunosorbent assay proves to be an indispensable tool for detecting methionine oxidation in a protein-specific manner. This is a versatile tool for studying the redox biology of methionine oxidation in proteins.
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Affiliation(s)
- Hae Min Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Dong Wook Choi
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Seahyun Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Aro Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Minseo Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Yeon Jin Roh
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Young Ho Jo
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Hwa Yeon Cho
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Ho-Jae Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Seung-Rock Lee
- Department of Biochemistry, Research Center for Aging and Geriatrics, Chonnam National University Medical School, Gwangju 61186, Republic of Korea
| | - Lionel Tarrago
- INRAE, Aix Marseille University, BBF, Marseille F13108, France
| | - Vadim N. Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Ji Hyung Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Byung Cheon Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
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Bettinger JQ, Welle KA, Hryhorenko JR, Ghaemmaghami S. Quantitative Analysis of in Vivo Methionine Oxidation of the Human Proteome. J Proteome Res 2020; 19:624-633. [PMID: 31801345 DOI: 10.1021/acs.jproteome.9b00505] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The oxidation of methionine is an important post-translational modification of proteins with numerous roles in physiology and pathology. However, the quantitative analysis of methionine oxidation on a proteome-wide scale has been hampered by technical limitations. Methionine is readily oxidized in vitro during sample preparation and analysis. In addition, there is a lack of enrichment protocols for peptides that contain an oxidized methionine residue, making the accurate quantification of methionine oxidation difficult to achieve on a global scale. Herein, we report a methodology to circumvent these issues by isotopically labeling unoxidized methionines with 18O-labeled hydrogen peroxide and quantifying the relative ratios of 18O- and 16O-oxidized methionines. We validate our methodology using artificially oxidized proteomes made to mimic varying degrees of methionine oxidation. Using this method, we identify and quantify a number of novel sites of in vivo methionine oxidation in an unstressed human cell line.
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Affiliation(s)
- John Q Bettinger
- Department of Biology , University of Rochester , Rochester , New York 14627 , United States
| | - Kevin A Welle
- University of Rochester Mass Spectrometry Resource Laboratory , Rochester , New York 14627 , United States
| | - Jennifer R Hryhorenko
- University of Rochester Mass Spectrometry Resource Laboratory , Rochester , New York 14627 , United States
| | - Sina Ghaemmaghami
- Department of Biology , University of Rochester , Rochester , New York 14627 , United States.,University of Rochester Mass Spectrometry Resource Laboratory , Rochester , New York 14627 , United States
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Reichmann D, Voth W, Jakob U. Maintaining a Healthy Proteome during Oxidative Stress. Mol Cell 2019; 69:203-213. [PMID: 29351842 DOI: 10.1016/j.molcel.2017.12.021] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 12/11/2017] [Accepted: 12/21/2017] [Indexed: 12/11/2022]
Abstract
Some of the most challenging stress conditions that organisms encounter during their lifetime involve the transient accumulation of reactive oxygen and chlorine species. Extremely reactive to amino acid side chains, these oxidants cause widespread protein unfolding and aggregation. It is therefore not surprising that cells draw on a variety of different strategies to counteract the damage and maintain a healthy proteome. Orchestrated largely by direct changes in the thiol oxidation status of key proteins, the response strategies involve all layers of protein protection. Reprogramming of basic biological functions helps decrease nascent protein synthesis and restore redox homeostasis. Mobilization of oxidative stress-activated chaperones and production of stress-resistant non-proteinaceous chaperones prevent irreversible protein aggregation. Finally, redox-controlled increase in proteasome activity removes any irreversibly damaged proteins. Together, these systems pave the way to restore protein homeostasis and enable organisms to survive stress conditions that are inevitable when living an aerobic lifestyle.
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Affiliation(s)
- Dana Reichmann
- Department of Biological Chemistry, The Alexander Silberman Institute of Life Sciences, Safra Campus Givat Ram, The Hebrew University of Jerusalem, Jerusalem 91904, Israel.
| | - Wilhelm Voth
- Department of Molecular, Cellular, and Developmental Biology and Department of Biological Chemistry, University of Michigan, Ann Arbor, MI 48109-1048, USA
| | - Ursula Jakob
- Department of Molecular, Cellular, and Developmental Biology and Department of Biological Chemistry, University of Michigan, Ann Arbor, MI 48109-1048, USA.
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Tarrago L, Oheix E, Péterfi Z, Gladyshev VN. Monitoring of Methionine Sulfoxide Content and Methionine Sulfoxide Reductase Activity. Methods Mol Biol 2018; 1661:285-299. [PMID: 28917052 DOI: 10.1007/978-1-4939-7258-6_20] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The sulfur-containing amino acid methionine (Met) plays critical roles in protein synthesis, methylation, and sulfur metabolism. Both in its free form and in the form of an amino acid residue, it can be oxidized to the R and S diastereomers of methionine sulfoxide (MetO). Organisms evolved methionine sulfoxide reductases (MSRs) to reduce MetO to Met, with the MSRs type A (MSRA) and type B (MSRB) being specific for the S and R forms of MetO, respectively. In mammals, the selenoprotein MSRB1 plays an important protein repair function, and its expression is tightly regulated by dietary selenium. In this chapter, we describe a protocol for determining the concentration of protein-based Met-R-O and its analysis in HEK293 cells using a genetically encoded ratiometric fluorescent biosensor MetROx. We also describe the procedure for quantifying MSR activities in cell extracts using specific substrates and a reverse phase HPLC-based method.
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Affiliation(s)
- Lionel Tarrago
- Laboratoire de Bioénergétique Cellulaire, Institut de Biosciences et Biotechnologies Aix-Marseille (BIAM), Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA), 13108, Saint-Paul-lès-Durance, France. .,UMR 7265, Centre National de Recherche Scientifique, Saint-Paul-lès-Durance, France. .,Aix Marseille Université, Marseille, France.
| | - Emmanuel Oheix
- Centrale Marseille, CNRS, iSm2 UMR 7313, Aix-Marseille Université, 13397, Marseille, France
| | - Zalán Péterfi
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA
| | - Vadim N Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA, 02115, USA.
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Abstract
Protein function can be regulated via post-translational modifications by numerous enzymatic and non-enzymatic mechanisms, including oxidation of cysteine and methionine residues. Redox-dependent regulatory mechanisms have been identified for nearly every cellular process, but the major paradigm has been that cellular components are oxidized (damaged) by reactive oxygen species (ROS) in a relatively unspecific way, and then reduced (repaired) by designated reductases. While this scheme may work with cysteine, it cannot be ascribed to other residues, such as methionine, whose reaction with ROS is too slow to be biologically relevant. However, methionine is clearly oxidized in vivo and enzymes for its stereoselective reduction are present in all three domains of life. Here, we revisit the chemistry and biology of methionine oxidation, with emphasis on its generation by enzymes from the monooxygenase family. Particular attention is placed on MICALs, a recently discovered family of proteins that harbor an unusual flavin-monooxygenase domain with an NADPH-dependent methionine sulfoxidase activity. Based on structural and kinetic information we provide a rational framework to explain MICAL mechanism, inhibition, and regulation. Methionine residues that are targeted by MICALs are reduced back by methionine sulfoxide reductases, suggesting that reversible methionine oxidation may be a general mechanism analogous to the regulation by phosphorylation by kinases/phosphatases. The identification of new enzymes that catalyze the oxidation of methionine will open a new area of research at the forefront of redox signaling.
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Affiliation(s)
- Bruno Manta
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Vadim N Gladyshev
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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Affiliation(s)
- Jesús Espada
- Ramón y Cajal Institute for Biomedical Research (IRYCIS), Ramón y Cajal University Hospital, Colmenar Viejo Rd. Km. 9, 100, 28034 Madrid, Spain; Bionanotechnology Laboratory, Bernardo O'Higgins University, General Gana 1780, 8370854 Santiago, Chile
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