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Adejor J, Tumukunde E, Li G, Lin H, Xie R, Wang S. Impact of Lysine Succinylation on the Biology of Fungi. Curr Issues Mol Biol 2024; 46:1020-1046. [PMID: 38392183 PMCID: PMC10888112 DOI: 10.3390/cimb46020065] [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: 12/09/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 02/24/2024] Open
Abstract
Post-translational modifications (PTMs) play a crucial role in protein functionality and the control of various cellular processes and secondary metabolites (SMs) in fungi. Lysine succinylation (Ksuc) is an emerging protein PTM characterized by the addition of a succinyl group to a lysine residue, which induces substantial alteration in the chemical and structural properties of the affected protein. This chemical alteration is reversible, dynamic in nature, and evolutionarily conserved. Recent investigations of numerous proteins that undergo significant succinylation have underscored the potential significance of Ksuc in various biological processes, encompassing normal physiological functions and the development of certain pathological processes and metabolites. This review aims to elucidate the molecular mechanisms underlying Ksuc and its diverse functions in fungi. Both conventional investigation techniques and predictive tools for identifying Ksuc sites were also considered. A more profound comprehension of Ksuc and its impact on the biology of fungi have the potential to unveil new insights into post-translational modification and may pave the way for innovative approaches that can be applied across various clinical contexts in the management of mycotoxins.
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Affiliation(s)
- John Adejor
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Elisabeth Tumukunde
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Guoqi Li
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hong Lin
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Rui Xie
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Shihua Wang
- Key Laboratory of Pathogenic Fungi and Mycotoxins of Fujian Province, Key Laboratory of Biopesticide and Chemical Biology of Education Ministry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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2
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Chen S, Zheng Y, Liang B, Yin Y, Yao J, Wang Q, Liu Y, Neamati N. The application of PROTAC in HDAC. Eur J Med Chem 2023; 260:115746. [PMID: 37607440 DOI: 10.1016/j.ejmech.2023.115746] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/29/2023] [Accepted: 08/17/2023] [Indexed: 08/24/2023]
Abstract
Inducing protein degradation by proteolysis targeting chimera (PROTAC) has provided great opportunities for scientific research and industrial applications. Histone deacetylase (HDAC)-PROTAC has been widely developed since the first report of its ability to induce the degradation of SIRT2 in 2017. To date, ten of the eighteen HDACs (HDACs 1-8, HDAC10, and SIRT2) have been successfully targeted and degraded by HDAC-PROTACs. HDAC-PROTACs surpass traditional HDAC inhibitors in many aspects, such as higher selectivity, more potent antiproliferative activity, and the ability to disrupt the enzyme-independent functions of a multifunctional protein and overcome drug resistance. Rationally designing HDAC-PROTACs is a main challenge in development because slight variations in chemical structure can lead to drastic effects on the efficiency and selectivity of the degradation. In the future, HDAC-PROTACs can potentially be involved in clinical research with the support of the increased amount of in vivo data, pharmacokinetic evaluation, and pharmacological studies.
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Affiliation(s)
- Shaoting Chen
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Yuxiang Zheng
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Benji Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Yudong Yin
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Jian Yao
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Quande Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China.
| | - Yanghan Liu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China.
| | - Nouri Neamati
- Department of Medicinal Chemistry, College of Pharmacy and Rogel Cancer Center, University of Michigan, Ann Arbor, MI, 48109, United States.
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3
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Garcia JA, Chen R, Xu M, Comerford SA, Hammer RE, Melton SD, Feagins LA. Acss2/HIF-2 signaling facilitates colon cancer growth and metastasis. PLoS One 2023; 18:e0282223. [PMID: 36862715 PMCID: PMC9980813 DOI: 10.1371/journal.pone.0282223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 02/09/2023] [Indexed: 03/03/2023] Open
Abstract
The microenvironment of solid tumors is characterized by oxygen and glucose deprivation. Acss2/HIF-2 signaling coordinates essential genetic regulators including acetate-dependent acetyl CoA synthetase 2 (Acss2), Creb binding protein (Cbp), Sirtuin 1 (Sirt1), and Hypoxia Inducible Factor 2α (HIF-2α). We previously shown in mice that exogenous acetate augments growth and metastasis of flank tumors derived from fibrosarcoma-derived HT1080 cells in an Acss2/HIF-2 dependent manner. Colonic epithelial cells are exposed to the highest acetate levels in the body. We reasoned that colon cancer cells, like fibrosarcoma cells, may respond to acetate in a pro-growth manner. In this study, we examine the role of Acss2/HIF-2 signaling in colon cancer. We find that Acss2/HIF-2 signaling is activated by oxygen or glucose deprivation in two human colon cancer-derived cell lines, HCT116 and HT29, and is crucial for colony formation, migration, and invasion in cell culture studies. Flank tumors derived from HCT116 and HT29 cells exhibit augmented growth in mice when supplemented with exogenous acetate in an Acss2/HIF-2 dependent manner. Finally, Acss2 in human colon cancer samples is most frequently localized in the nucleus, consistent with it having a signaling role. Targeted inhibition of Acss2/HIF-2 signaling may have synergistic effects for some colon cancer patients.
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Affiliation(s)
- Joseph A. Garcia
- Department of Medicine, Columbia University Medical Center, New York, New York, United States of America
- Research & Development, James J. Peters Veterans Affairs Medical Center, New York, New York, United States of America
| | - Rui Chen
- Department of Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Min Xu
- Department of Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Sarah A. Comerford
- Department of Molecular Genetics, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Robert E. Hammer
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Shelby D. Melton
- Pathology & Laboratory Medicine, Veterans Affairs North Texas Health Care System, Dallas, Texas, United States of America
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Linda A. Feagins
- Department of Internal Medicine, Dell Medical School, The University of Texas at Austin, Austin, Texas, United States of America
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4
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Castro-Muñoz LJ, Vázquez Ulloa E, Sahlgren C, Lizano M, De La Cruz-Hernández E, Contreras-Paredes A. Modulating epigenetic modifications for cancer therapy (Review). Oncol Rep 2023; 49:59. [PMID: 36799181 PMCID: PMC9942256 DOI: 10.3892/or.2023.8496] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 11/08/2022] [Indexed: 02/12/2023] Open
Abstract
Cancer is a global public health concern. Alterations in epigenetic processes are among the earliest genomic aberrations occurring during cancer development and are closely related to progression. Unlike genetic mutations, aberrations in epigenetic processes are reversible, which opens the possibility for novel pharmacological treatments. Non‑coding RNAs (ncRNAs) represent an essential epigenetic mechanism, and emerging evidence links ncRNAs to carcinogenesis. Epigenetic drugs (epidrugs) are a group of promising target therapies for cancer treatment acting as coadjuvants to reverse drug resistance in cancer. The present review describes central epigenetic aberrations during malignant transformation and explains how epidrugs target DNA methylation, histone modifications and ncRNAs. Furthermore, clinical trials focused on evaluating the effect of these epidrugs alone or in combination with other anticancer therapies and other ncRNA‑based therapies are discussed. The use of epidrugs promises to be an effective tool for reversing drug resistance in some patients with cancer.
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Affiliation(s)
| | - Elenaé Vázquez Ulloa
- Faculty of Science and Engineering/Cell Biology, University of Turku and Åbo Akademi University, Turku 20500, Finland,Turku Bioscience, University of Turku and Åbo Akademi University, Turku 20500, Finland
| | - Cecilia Sahlgren
- Faculty of Science and Engineering/Cell Biology, University of Turku and Åbo Akademi University, Turku 20500, Finland,Turku Bioscience, University of Turku and Åbo Akademi University, Turku 20500, Finland,Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven 5600 MB, The Netherlands,Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven 5600 MB, The Netherlands
| | - Marcela Lizano
- Unidad de Investigacion Biomedica en Cancer, Instituto Nacional de Cancerología-Universidad Nacional Autonoma de Mexico, Ciudad de Mexico 14080, Mexico,Departamento de Medicina Genomica y Toxicologia Ambiental, Instituto de Investigaciones Biomedicas, Universidad Nacional Autonoma de Mexico, Mexico 04510, Mexico
| | - Erick De La Cruz-Hernández
- Laboratory of Research in Metabolic and Infectious Diseases, Multidisciplinary Academic Division of Comalcalco, Juarez Autonomous University of Tabasco, Comalcalco, Tabasco 86650, Mexico
| | - Adriana Contreras-Paredes
- Unidad de Investigacion Biomedica en Cancer, Instituto Nacional de Cancerología-Universidad Nacional Autonoma de Mexico, Ciudad de Mexico 14080, Mexico,Correspondence to: Professor Adriana Contreras-Paredes, Unidad de Investigacion Biomedica en Cancer, Instituto Nacional de Cancerología-Universidad Nacional Autonoma de Mexico, Avenue San Fernando, Col. Sección XVI, Tlalpan, Ciudad de Mexico 14080, Mexico, E-mail:
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5
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Panten U, Brüning D, Rustenbeck I. Regulation of insulin secretion in mouse islets: metabolic amplification by alpha-ketoisocaproate coincides with rapid and sustained increase in acetyl-CoA content. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:353-364. [PMID: 36355207 PMCID: PMC9832085 DOI: 10.1007/s00210-022-02290-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 09/05/2022] [Indexed: 11/12/2022]
Abstract
Glucose and alpha-ketoisocaproate, the keto acid analogue of leucine, stimulate insulin secretion in the absence of other exogenous fuels. Their mitochondrial metabolism in the beta-cell raises the cytosolic ATP/ADP ratio, thereby providing the triggering signal for the exocytosis of the insulin granules. However, additional amplifying signals are required for the full extent of insulin secretion stimulated by these fuels. While it is generally recognized that the amplifying signals are also derived from the mitochondrial metabolism, their exact nature is still unclear. The current study tests the hypothesis that the supply of cytosolic acetyl-CoA is a signal in the amplifying pathway. The contents of acetyl-CoA and acetyl-CoA plus CoA-SH were measured in isolated mouse islets. Insulin secretion was recorded in isolated perifused islets. In islets, the ATP-sensitive K+ channels of which were pharmacologically closed and which were preincubated without exogenous fuel, 10 mmol/L alpha-ketoisocaproate enhanced the acetyl-CoA content after 5 and 20 min incubations and decreased the acetyl-CoA plus CoA-SH within 5 min, but not after 20 min. In islets not exposed to drugs, the preincubation with 3 mmol/L glucose, a non-triggering concentration, elevated the acetyl-CoA content. This content was further increased after 5 min and 20 min incubations with 30 mmol/L glucose, concurrent with a strong increase in insulin secretion. Alpha-ketoisocaproate and glucose increase the supply of acetyl-CoA in the beta-cell cytosol during both phases of insulin secretion. Most likely, this increase provides a signal for the metabolic amplification.
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Affiliation(s)
- Uwe Panten
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, Mendelssohnstr. 1, 38106 Braunschweig, Germany
| | - Dennis Brüning
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, Mendelssohnstr. 1, 38106 Braunschweig, Germany
| | - Ingo Rustenbeck
- Institute of Pharmacology, Toxicology and Clinical Pharmacy, Technische Universität Braunschweig, Mendelssohnstr. 1, 38106 Braunschweig, Germany
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6
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Electrostatic and steric effects underlie acetylation-induced changes in ubiquitin structure and function. Nat Commun 2022; 13:5435. [PMID: 36114200 PMCID: PMC9481602 DOI: 10.1038/s41467-022-33087-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 08/26/2022] [Indexed: 12/29/2022] Open
Abstract
Covalent attachment of ubiquitin (Ub) to proteins is a highly versatile posttranslational modification. Moreover, Ub is not only a modifier but itself is modified by phosphorylation and lysine acetylation. However, the functional consequences of Ub acetylation are poorly understood. By generation and comprehensive characterization of all seven possible mono-acetylated Ub variants, we show that each acetylation site has a particular impact on Ub structure. This is reflected in selective usage of the acetylated variants by different E3 ligases and overlapping but distinct interactomes, linking different acetylated variants to different cellular pathways. Notably, not only electrostatic but also steric effects contribute to acetylation-induced changes in Ub structure and, thus, function. Finally, we provide evidence that p300 acts as a position-specific Ub acetyltransferase and HDAC6 as a general Ub deacetylase. Our findings provide intimate insights into the structural and functional consequences of Ub acetylation and highlight the general importance of Ub acetylation. Ubiquitin is not only a posttranslational modifier but itself is subject to modifications, such as acetylation. Characterization of distinct acetylated ubiquitin variants reveals that each acetylation site has a particular impact on ubiquitin structure and its protein-protein interaction properties.
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7
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Erichsen L, Thimm C, Santourlidis S. Methyl Group Metabolism in Differentiation, Aging, and Cancer. Int J Mol Sci 2022; 23:8378. [PMID: 35955511 PMCID: PMC9369357 DOI: 10.3390/ijms23158378] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/21/2022] [Accepted: 07/26/2022] [Indexed: 12/04/2022] Open
Abstract
Methyl group metabolism belongs to a relatively understudied field of research. Its importance lies in the fact that methyl group metabolic pathways are crucial for the successful conversion of dietary nutrients into the basic building blocks to carry out any cellular methylation reaction. Methyl groups play essential roles in numerous cellular functions such as DNA methylation, nucleotide- and protein biosynthesis. Especially, DNA methylation is responsible for organizing the genome into transcriptionally silent and active regions. Ultimately, it is this proper annotation that determines the quality of expression patterns required to ensure and shape the phenotypic integrity and function of a highly specialized cell type. Life is characterized by constantly changing environmental conditions, which are addressed by changes in DNA methylation. This relationship is increasingly coming into focus as it is of fundamental importance for differentiation, aging, and cancer. The stability and permanence of these metabolic processes, fueling the supplementation of methyl groups, seem to be important criteria to prevent deficiencies and erosion of the methylome. Alterations in the metabolic processes can lead to epigenetic and genetic perturbations, causative for diverse disorders, accelerated aging, and various age-related diseases. In recent decades, the intake of methyl group compounds has changed significantly due to, e.g., environmental pollution and food additives. Based on the current knowledge, this review provides a brief overview of the highly interconnected relationship between nutrition, metabolism, changes in epigenetic modifications, cancer, and aging. One goal is to provide an impetus to additionally investigate changes in DNA methylation as a possible consequence of an impaired methyl group metabolism.
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Affiliation(s)
- Lars Erichsen
- Institute for Stem Cell Research and Regenerative Medicine, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225 Düsseldorf, Germany;
| | - Chantelle Thimm
- Institute for Stem Cell Research and Regenerative Medicine, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225 Düsseldorf, Germany;
| | - Simeon Santourlidis
- Epigenetics Core Laboratory, Institute of Transplantation Diagnostics and Cell Therapeutics, Medical Faculty, Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany;
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8
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Tarantino ME, Delaney S. Kinetic Analysis of the Effect of N-Terminal Acetylation on Thymine DNA Glycosylase. Biochemistry 2022; 61:895-908. [PMID: 35436101 PMCID: PMC9117521 DOI: 10.1021/acs.biochem.1c00823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Thymine DNA glycosylase (TDG) is tasked with initiating DNA base excision repair by recognizing and removing T, U, the chemotherapeutic 5-fluorouracil (5-FU), and many other oxidized and halogenated pyrimidine bases. TDG contains a long, unstructured N-terminus that contains four known sites of acetylation: lysine (K) residues 59, 83, 84, and 87. Here, K to glutamine (Q) mutants are used as acetyl-lysine (AcK) analogues to probe the effect of N-terminal acetylation on the kinetics of TDG. We find that mimicking acetylation affects neither the maximal single-turnover rate kmax nor the turnover rate kTO, indicating that the steps after initial binding, through chemistry and product release, are not affected. Under subsaturating conditions, however, acetylation changes the processing of U substrates. Subtle differences among AcK analogues are revealed with 5-FU in single-stranded DNA. We propose that the subtleties observed among the AcK analogues may be amplified on the genomic scale, leading to regulation of TDG activity. N-terminal acetylation, though, may also play a structural, rather than kinetic role in vivo.
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Affiliation(s)
- Mary E. Tarantino
- Department of Molecular Biology, Cell Biology, and Biochemistry, Brown University, Providence, RI 02912, United States
| | - Sarah Delaney
- Department of Chemistry, Brown University, Providence, RI 02912, United States
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Sato T, Sassone-Corsi P. Nutrition, metabolism, and epigenetics: pathways of circadian reprogramming. EMBO Rep 2022; 23:e52412. [PMID: 35412705 PMCID: PMC9066069 DOI: 10.15252/embr.202152412] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 10/28/2021] [Accepted: 03/30/2022] [Indexed: 01/07/2023] Open
Abstract
Food intake profoundly affects systemic physiology. A large body of evidence has indicated a link between food intake and circadian rhythms, and ~24-h cycles are deemed essential for adapting internal homeostasis to the external environment. Circadian rhythms are controlled by the biological clock, a molecular system remarkably conserved throughout evolution. The circadian clock controls the cyclic expression of numerous genes, a regulatory program common to all mammalian cells, which may lead to various metabolic and physiological disturbances if hindered. Although the circadian clock regulates multiple metabolic pathways, metabolic states also provide feedback on the molecular clock. Therefore, a remarkable feature is reprogramming by nutritional challenges, such as a high-fat diet, fasting, ketogenic diet, and caloric restriction. In addition, various factors such as energy balance, histone modifications, and nuclear receptor activity are involved in the remodeling of the clock. Herein, we review the interaction of dietary components with the circadian system and illustrate the relationships linking the molecular clock to metabolism and critical roles in the remodeling process.
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Affiliation(s)
- Tomoki Sato
- Department of Biological Chemistry, Center for Epigenetics and Metabolism, School of Medicine, INSERM U1233, University of California, Irvine, CA, USA
| | - Paolo Sassone-Corsi
- Department of Biological Chemistry, Center for Epigenetics and Metabolism, School of Medicine, INSERM U1233, University of California, Irvine, CA, USA
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10
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Yang J, Song C, Zhan X. The role of protein acetylation in carcinogenesis and targeted drug discovery. Front Endocrinol (Lausanne) 2022; 13:972312. [PMID: 36171897 PMCID: PMC9510633 DOI: 10.3389/fendo.2022.972312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 08/23/2022] [Indexed: 12/01/2022] Open
Abstract
Protein acetylation is a reversible post-translational modification, and is involved in many biological processes in cells, such as transcriptional regulation, DNA damage repair, and energy metabolism, which is an important molecular event and is associated with a wide range of diseases such as cancers. Protein acetylation is dynamically regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs) in homeostasis. The abnormal acetylation level might lead to the occurrence and deterioration of a cancer, and is closely related to various pathophysiological characteristics of a cancer, such as malignant phenotypes, and promotes cancer cells to adapt to tumor microenvironment. Therapeutic modalities targeting protein acetylation are a potential therapeutic strategy. This article discussed the roles of protein acetylation in tumor pathology and therapeutic drugs targeting protein acetylation, which offers the contributions of protein acetylation in clarification of carcinogenesis, and discovery of therapeutic drugs for cancers, and lays the foundation for precision medicine in oncology.
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Affiliation(s)
- Jingru Yang
- Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, China
| | - Cong Song
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, China
| | - Xianquan Zhan
- Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
- Medical Science and Technology Innovation Center, Shandong First Medical University, Jinan, China
- *Correspondence: Xianquan Zhan,
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11
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Tandem Mass Tag labelling quantitative acetylome analysis of differentially modified proteins during mycoparasitism of Clonostachys chloroleuca 67-1. Sci Rep 2021; 11:22383. [PMID: 34789861 PMCID: PMC8599485 DOI: 10.1038/s41598-021-01956-2] [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: 07/18/2021] [Accepted: 10/29/2021] [Indexed: 11/29/2022] Open
Abstract
Lysine acetylation (Kac) is an important post-translational modification (PTM) of proteins in all organisms, but its functions have not been extensively explored in filamentous fungi. In this study, a Tandem Mass Tag (TMT) labelling lysine acetylome was constructed, and differentially modified Kac proteins were quantified during mycoparasitism and vegetative growth in the biocontrol fungus Clonostachys chloroleuca 67–1, using liquid chromatography-tandem mass spectrometry (LC–MS/MS). A total of 1448 Kac sites were detected on 740 Kac proteins, among which 126 sites on 103 proteins were differentially regulated. Systematic bioinformatics analyses indicate that the modified Kac proteins were from multiple subcellular localizations and involved in diverse functions including chromatin assembly, glycometabolism and redox activities. All Kac sites were characterized by 10 motifs, including the novel CxxKac motif. The results suggest that Kac proteins may have effects of broadly regulating protein interaction networks during C. chloroleuca parasitism to Sclerotinia sclerotiorum sclerotia. This is the first report of a correlation between Kac events and the biocontrol activity of C. chloroleuca. Our findings provide insight into the molecular mechanisms underlying C. chloroleuca control of plant fungal pathogens regulated by Kac proteins.
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12
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A Histone Deacetylase, Magnaporthe oryzae RPD3, Regulates Reproduction and Pathogenic Development in the Rice Blast Fungus. mBio 2021; 12:e0260021. [PMID: 34781734 PMCID: PMC8593672 DOI: 10.1128/mbio.02600-21] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Acetylation and deacetylation of histones are key epigenetic mechanisms for gene regulation in response to environmental stimuli. RPD3 is a well-conserved class I histone deacetylase (HDAC) that is involved in diverse biological processes. Here, we investigated the roles of the Magnaporthe oryzaeRPD3 (MoRPD3) gene, an ortholog of Saccharomyces cerevisiaeRpd3, during development and pathogenesis in the model plant-pathogenic fungus Magnaporthe oryzae. We demonstrated that the MoRPD3 gene is able to functionally complement the yeast Rpd3 deletion mutant despite the C-terminal extension of the MoRPD3 protein. MoRPD3 localizes primarily to the nuclei of vegetative hyphae, asexual spores, and invasive hyphae. Deletion of MoRPD3 appears to be lethal. Depletion of MoRPD3 transcripts via gene silencing (MoRPD3kd, where “kd” stands for “knockdown”) has opposing effects on asexual and sexual reproduction. Although conidial germination and appressorium formation rates of the mutants were almost comparable to those of the wild type, in-depth analysis revealed that the appressoria of mutants are smaller than those of the wild type. Furthermore, the MoRPD3kd strain shows a significant reduction in pathogenicity, which can be attributed to the delay in appressorium-mediated penetration and impaired invasive growth. Interestingly, MoRPD3 does not regulate potassium transporters, as shown for Rpd3 of S. cerevisiae. However, it functioned in association with the target of rapamycin (TOR) kinase pathway, resulting in the dependency of appressorium formation on hydrophilic surfaces and on TOR’s inhibition by MoRPD3. Taken together, our results uncovered distinct and evolutionarily conserved roles of MoRPD3 in regulating fungal reproduction, infection-specific development, and virulence.
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Graf LG, Vogt R, Blasl AT, Qin C, Schulze S, Zühlke D, Sievers S, Lammers M. Assays to Study Enzymatic and Non-Enzymatic Protein Lysine Acetylation In Vitro. Curr Protoc 2021; 1:e277. [PMID: 34748287 DOI: 10.1002/cpz1.277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Proteins can be lysine-acetylated both enzymatically, by lysine acetyltransferases (KATs), and non-enzymatically, by acetyl-CoA and/or acetyl-phosphate. Such modification can be reversed by lysine deacetylases classified as NAD+ -dependent sirtuins or by classical Zn2+ -dependent deacetylases (KDACs). The regulation of protein lysine acetylation events by KATs and sirtuins/KDACs, or by non-enzymatic processes, is often assessed only indirectly by mass spectrometry or by mutational studies in cells. Mutational approaches to study lysine acetylation are limited, as these often poorly mimic lysine acetylation. Here, we describe protocols to assess the direct regulation of protein lysine acetylation by both sirtuins/KDACs and KATs, as well as non-enzymatically. We first describe a protocol for the production of site-specific lysine-acetylated proteins using a synthetic biological approach, the genetic code expansion concept (GCEC). These natively folded, lysine-acetylated proteins can then be used as direct substrates for sirtuins and KDACs. This approach addresses various limitations encountered with other methods. First, results from sirtuin/KDAC-catalyzed deacetylation assays obtained using acetylated peptides as substrates can vary considerably compared to experiments using natively folded substrate proteins. In addition, producing lysine-acetylated proteins for deacetylation assays by using recombinantly expressed KATs is difficult, as these often do not yield proteins that are homogeneously and quantitatively lysine acetylated. Moreover, KATs are often huge multi-domain proteins, which are difficult to recombinantly express and purify in soluble form. We also describe protocols to study the direct regulation of protein lysine acetylation, both enzymatically, by sirtuins/KDACs and KATs, and non-enzymatically, by acetyl-CoA and/or acetyl-phosphate. The latter protocol also includes a section that explains how specific lysine acetylation sites can be detected by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). The protocols described here can be useful for providing a more detailed understanding of the enzymatic and non-enzymatic regulation of lysine acetylation sites, an important aspect to judge their physiological significance. © 2021 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Preparation of N-(ε)-lysine-acetylated proteins using the genetic code expansion concept (GCEC) Basic Protocol 2: In vitro sirtuin (SIRT)-catalyzed deacetylation of lysine-acetylated proteins prepared by the GCEC Basic Protocol 3: In vitro KDAC/HDAC-catalyzed deacetylation of lysine-acetylated proteins Basic Protocol 4: In vitro lysine acetylation of recombinantly expressed proteins by lysine acetyltransferases (KATs) Basic Protocol 5: In vitro non-enzymatic lysine acetylation of proteins by acetyl-CoA and/or acetyl-phosphate.
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Affiliation(s)
- Leonie G Graf
- Department Synthetic and Structural Biochemistry, University of Greifswald, Institute for Biochemistry, Greifswald, Germany
| | - Robert Vogt
- Department Synthetic and Structural Biochemistry, University of Greifswald, Institute for Biochemistry, Greifswald, Germany
| | - Anna-Theresa Blasl
- Department Synthetic and Structural Biochemistry, University of Greifswald, Institute for Biochemistry, Greifswald, Germany
| | - Chuan Qin
- Department Synthetic and Structural Biochemistry, University of Greifswald, Institute for Biochemistry, Greifswald, Germany
| | - Sabrina Schulze
- Department Synthetic and Structural Biochemistry, University of Greifswald, Institute for Biochemistry, Greifswald, Germany
| | - Daniela Zühlke
- Department of Microbial Physiology and Molecular Biology, University of Greifswald, Institute of Microbiology, Greifswald, Germany
| | - Susanne Sievers
- Department of Microbial Physiology and Molecular Biology, University of Greifswald, Institute of Microbiology, Greifswald, Germany
| | - Michael Lammers
- Department Synthetic and Structural Biochemistry, University of Greifswald, Institute for Biochemistry, Greifswald, Germany
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Thomas SP, Denu JM. Short-chain fatty acids activate acetyltransferase p300. eLife 2021; 10:72171. [PMID: 34677127 PMCID: PMC8585482 DOI: 10.7554/elife.72171] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 10/19/2021] [Indexed: 02/06/2023] Open
Abstract
Short-chain fatty acids (SCFAs) acetate, propionate, and butyrate are produced in large quantities by the gut microbiome and contribute to a wide array of physiological processes. While the underlying mechanisms are largely unknown, many effects of SCFAs have been traced to changes in the cell's epigenetic state. Here, we systematically investigate how SCFAs alter the epigenome. Using quantitative proteomics of histone modification states, we identified rapid and sustained increases in histone acetylation after the addition of butyrate or propionate, but not acetate. While decades of prior observations would suggest that hyperacetylation induced by SCFAs are due to inhibition of histone deacetylases (HDACs), we found that propionate and butyrate instead activate the acetyltransferase p300. Propionate and butyrate are rapidly converted to the corresponding acyl-CoAs which are then used by p300 to catalyze auto-acylation of the autoinhibitory loop, activating the enzyme for histone/protein acetylation. This data challenges the long-held belief that SCFAs mainly regulate chromatin by inhibiting HDACs, and instead reveals a previously unknown mechanism of HAT activation that can explain how an influx of low levels of SCFAs alters global chromatin states.
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Affiliation(s)
- Sydney P Thomas
- Wisconsin Institute for Discovery, Madison, United States.,Department of Biomolecular Chemistry, University of Wisconsin - Madison, Madison, United States
| | - John M Denu
- Wisconsin Institute for Discovery, Madison, United States.,Department of Biomolecular Chemistry, University of Wisconsin - Madison, Madison, United States.,Morgridge Institute for Research, Madison, United States
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15
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Rodrigues DA, Roe A, Griffith D, Chonghaile TN. Advances in the Design and Development of PROTAC-mediated HDAC degradation. Curr Top Med Chem 2021; 22:408-424. [PMID: 34649488 DOI: 10.2174/1568026621666211015092047] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/08/2021] [Accepted: 09/14/2021] [Indexed: 02/08/2023]
Abstract
Due to developments in modern chemistry, previously undruggable targets are becoming druggable thanks to selective degradation using the ubiquitin-proteasomal degradation system. PROteolysis TArgeting Chimeras (PROTACs) are heterobifunctional molecules designed specifically to degrade target proteins (protein of interest, POI). They are of significant interest to industry and academia as they are highly specific and can target previously undruggable target proteins from transcription factors to enzymes. More than 15 degraders are expected to be evaluated in clinical trials by the end of 2021. Herein, we describe recent advances in the design and development of PROTAC-mediated degradation of histone deacetylases (HDACs). PROTAC-mediated degradation of HDACs can offer some significant advantages over direct inhibition, such as the use of substoichiometric doses and the potential to disrupt enzyme-independent HDAC function. Herein, we discuss the potential implications of the degradation of HDACs with HDAC knockout studies and the selection of HDAC inhibitors and E3 ligase ligands for the design of the PROTACs. The potential utility of HDAC PROTACs in various disease pathologies from cancer to inflammation to neurodegeneration is driving the interest in this field.
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Affiliation(s)
- Daniel Alencar Rodrigues
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin. Ireland
| | - Andrew Roe
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin. Ireland
| | - Darren Griffith
- Department of Chemistry, Royal College of Surgeons in Ireland, Dublin. Ireland
| | - Tríona Ní Chonghaile
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin. Ireland
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16
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Blasl AT, Schulze S, Qin C, Graf LG, Vogt R, Lammers M. Post-translational lysine ac(et)ylation in health, ageing and disease. Biol Chem 2021; 403:151-194. [PMID: 34433238 DOI: 10.1515/hsz-2021-0139] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 06/18/2021] [Indexed: 12/13/2022]
Abstract
The acetylation/acylation (ac(et)ylation) of lysine side chains is a dynamic post-translational modification (PTM) regulating fundamental cellular processes with implications on the organisms' ageing process: metabolism, transcription, translation, cell proliferation, regulation of the cytoskeleton and DNA damage repair. First identified to occur on histones, later studies revealed the presence of lysine ac(et)ylation in organisms of all kingdoms of life, in proteins covering all essential cellular processes. A remarkable finding showed that the NAD+-dependent sirtuin deacetylase Sir2 has an impact on replicative lifespan in Saccharomyces cerevisiae suggesting that lysine acetylation has a direct role in the ageing process. Later studies identified sirtuins as mediators for beneficial effects of caloric/dietary restriction on the organisms' health- or lifespan. However, the molecular mechanisms underlying these effects are only incompletely understood. Progress in mass-spectrometry, structural biology, synthetic and semi-synthetic biology deepened our understanding of this PTM. This review summarizes recent developments in the research field. It shows how lysine ac(et)ylation regulates protein function, how it is regulated enzymatically and non-enzymatically, how a dysfunction in this post-translational machinery contributes to disease development. A focus is set on sirtuins and lysine acyltransferases as these are direct sensors and mediators of the cellular metabolic state. Finally, this review highlights technological advances to study lysine ac(et)ylation.
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Affiliation(s)
- Anna-Theresa Blasl
- Department Synthetic and Structural Biochemistry, Institute for Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, D-17487Greifswald, Germany
| | - Sabrina Schulze
- Department Synthetic and Structural Biochemistry, Institute for Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, D-17487Greifswald, Germany
| | - Chuan Qin
- Department Synthetic and Structural Biochemistry, Institute for Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, D-17487Greifswald, Germany
| | - Leonie G Graf
- Department Synthetic and Structural Biochemistry, Institute for Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, D-17487Greifswald, Germany
| | - Robert Vogt
- Department Synthetic and Structural Biochemistry, Institute for Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, D-17487Greifswald, Germany
| | - Michael Lammers
- Department Synthetic and Structural Biochemistry, Institute for Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, D-17487Greifswald, Germany
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17
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Brocato E, Wolstenholme JT. Neuroepigenetic consequences of adolescent ethanol exposure. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2021; 160:45-84. [PMID: 34696879 DOI: 10.1016/bs.irn.2021.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Adolescence is a critical developmental period characterized by ongoing brain maturation processes including myelination and synaptic pruning. Adolescents experience heightened reward sensitivity, sensation seeking, impulsivity, and diminished inhibitory self-control, which contribute to increased participation in risky behaviors, including the initiation of alcohol use. Ethanol exposure in adolescence alters memory and cognition, anxiety-like behavior, and ethanol sensitivity as well as brain myelination and dendritic spine morphology, with effects lasting into adulthood. Emerging evidence suggests that epigenetic modifications may explain these lasting effects. Focusing on the amygdala, prefrontal cortex and hippocampus, we review studies investigating the epigenetic consequences of adolescent ethanol exposure. Ethanol metabolism globally increases donor substrates for histone acetylation and histone and DNA methylation, and this chapter discusses how this can further impact epigenetic programming of the adolescent brain. Elucidation of the mechanisms through which ethanol can alter the epigenetic code at specific transcripts may provide therapeutic targets for intervention.
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Affiliation(s)
- Emily Brocato
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, United States
| | - Jennifer T Wolstenholme
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, United States; VCU-Alcohol Research Center, Virginia Commonwealth University, Richmond, VA, United States.
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18
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Yuskiv LL, Yuskiv ID. The synthesis of lipids and proteins in vitro in tissues of Cyprinus carpio infected with Bothriocephalus acheilognathi. REGULATORY MECHANISMS IN BIOSYSTEMS 2021. [DOI: 10.15421/022112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
The problem of the mechanisms of regulation of biochemical processes in carp Cyprinus carpio (Linnaeus, 1758) tissues and organs caused by infection with Bothriocephalus (Schyzocotyle) acheilognathi (Yamaguti, 1934) at different intensities of invasion remains practically unstudied. The purpose of this study was to dedetrmine the intensity of lipid and protein synthesis in vitro when [6-14C]glucose and [2-14C]lysine are used as their precursor in the tissues of the intestine, hepatopancreas and skeletal muscles of carp. The study was conducted on this-year carp with body weight 14.5–20.5 g, at different invasion rates of the helminth B. acheilognathi, which belongs to the family Bothriocephalidae of the Pseudophyllidae order of the Cestoda class of the Plathelminthes phylum. The examined carp were divided into three groups: 1st group of fish was free from intestinal helminths of B. acheilognathi (control); 2nd group of fish was weakly infected with helminths (intensity of invasion was 1–3 helminths per fish); the 3rd group of fish was highly infected (the invasion intensity was 4 worms and more per fish). Our results showed that in fish infected with the helminth B. acheilognathi in comparison to uninfected, the intensity of lipid synthesis in the intestinal wall, hepatopancreas, skeletal muscle was much lower when [6-14C]glucose was used as a predecessor than when [2-14C]lysine was used as a predecessor. In the examined tissues, significant decrease was observed in the synthesis of reserve lipids (mono-, di- and triacylglycerols) in comparison to the structural (phospholipids and cholesterol), which depends on the intensity of the B. acheilognathi invasion. In the metabolic processes in the wall of the intestine, hepatopancreas, skeletal muscle of this-year carp infectd with B. acheilognathi helminths, under in vitro conditions, [6-14C]glucose was used more than [2-14C]lysine. The intensity of protein synthesis in the intestinal wall, hepatopancreas, skeletal muscles of this-year carp infected with the helminth B. acheilognathi under in vitro conditions increased when [6-14C]glucose was added to the incubation medium, on average 7.1–28.3% and decreased when [2-14C]lysine was added, on average 7.8–25.7%.
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19
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Coenzyme A levels influence protein acetylation, CoAlation and 4'-phosphopantetheinylation: Expanding the impact of a metabolic nexus molecule. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2021; 1868:118965. [PMID: 33450307 DOI: 10.1016/j.bbamcr.2021.118965] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 12/31/2020] [Accepted: 01/11/2021] [Indexed: 12/17/2022]
Abstract
Coenzyme A (CoA) is a key molecule in cellular metabolism including the tricarboxylic acid cycle, fatty acid synthesis, amino acid synthesis and lipid metabolism. Moreover, CoA is required for biological processes like protein post-translational modifications (PTMs) including acylation. CoA levels affect the amount of histone acetylation and thereby modulate gene expression. A direct influence of CoA levels on other PTMs, like CoAlation and 4'-phosphopantetheinylation has been relatively less addressed and will be discussed here. Increased CoA levels are associated with increased CoAlation, whereas decreased 4'-phosphopantetheinylation is observed under circumstances of decreased CoA levels. We discuss how these two PTMs can positively or negatively influence target proteins depending on CoA levels. This review highlights the impact of CoA levels on post-translational modifications, their counteractive interplay and the far-reaching consequences thereof.
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20
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Cardoso-Junior CAM, Ronai I, Hartfelder K, Oldroyd BP. Queen pheromone modulates the expression of epigenetic modifier genes in the brain of honeybee workers. Biol Lett 2020; 16:20200440. [PMID: 33290662 DOI: 10.1098/rsbl.2020.0440] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Pheromones are used by many insects to mediate social interactions. In the highly eusocial honeybee (Apis mellifera), queen mandibular pheromone (QMP) is involved in the regulation of the reproductive and other behaviour of workers. The molecular mechanisms by which QMP acts are largely unknown. Here, we investigate how genes responsible for epigenetic modifications to DNA, RNA and histones respond to the presence of QMP in the environment. We show that several of these genes are upregulated in the honeybee brain when workers are exposed to artificial QMP. We propose that pheromonal communication systems, such as those used by social insects, evolved to respond to environmental signals by making use of existing epigenomic machineries.
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Affiliation(s)
- Carlos Antônio Mendes Cardoso-Junior
- Departamento de Biologia Celular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil.,Behaviour, Ecology and Evolution (BEE) laboratory, University of Sydney, Macleay Building A12, Sydney NSW 2006, Australia
| | - Isobel Ronai
- Behaviour, Ecology and Evolution (BEE) laboratory, University of Sydney, Macleay Building A12, Sydney NSW 2006, Australia
| | - Klaus Hartfelder
- Departamento de Biologia Celular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Benjamin P Oldroyd
- Behaviour, Ecology and Evolution (BEE) laboratory, University of Sydney, Macleay Building A12, Sydney NSW 2006, Australia
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21
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Bedont JL, Iascone DM, Sehgal A. The Lineage Before Time: Circadian and Nonclassical Clock Influences on Development. Annu Rev Cell Dev Biol 2020; 36:469-509. [PMID: 33021821 PMCID: PMC10826104 DOI: 10.1146/annurev-cellbio-100818-125454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Diverse factors including metabolism, chromatin remodeling, and mitotic kinetics influence development at the cellular level. These factors are well known to interact with the circadian transcriptional-translational feedback loop (TTFL) after its emergence. What is only recently becoming clear, however, is how metabolism, mitosis, and epigenetics may become organized in a coordinated cyclical precursor signaling module in pluripotent cells prior to the onset of TTFL cycling. We propose that both the precursor module and the TTFL module constrain cellular identity when they are active during development, and that the emergence of these modules themselves is a key lineage marker. Here we review the component pathways underlying these ideas; how proliferation, specification, and differentiation decisions in both developmental and adult stem cell populations are or are not regulated by the classical TTFL; and emerging evidence that we propose implies a primordial clock that precedes the classical TTFL and influences early developmental decisions.
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Affiliation(s)
- Joseph Lewis Bedont
- Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
| | - Daniel Maxim Iascone
- Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
| | - Amita Sehgal
- Chronobiology and Sleep Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA;
- The Howard Hughes Medical Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
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22
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Catalysis by protein acetyltransferase Gcn5. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2020; 1864:194627. [PMID: 32841743 DOI: 10.1016/j.bbagrm.2020.194627] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/19/2020] [Accepted: 08/19/2020] [Indexed: 02/04/2023]
Abstract
Gcn5 serves as the defining member of the Gcn5-related N-acetyltransferase (GNAT) superfamily of proteins that display a common structural fold and catalytic mechanism involving the transfer of the acyl-group, primarily acetyl-, from CoA to an acceptor nucleophile. In the case of Gcn5, the target is the ε-amino group of lysine primarily on histones. Over the years, studies on Gcn5 structure-function have often formed the basis by which we understand the complex activities and regulation of the entire protein acetyltransferase family. It is now appreciated that protein acetylation occurs on thousands of proteins and can reversibly regulate the function of many cellular processes. In this review, we provide an overview of our fundamental understanding of catalysis, regulation of activity and substrate selection, and inhibitor development for this archetypal acetyltransferase.
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23
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Wiese M, Bannister AJ. Two genomes, one cell: Mitochondrial-nuclear coordination via epigenetic pathways. Mol Metab 2020; 38:100942. [PMID: 32217072 PMCID: PMC7300384 DOI: 10.1016/j.molmet.2020.01.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 01/06/2020] [Accepted: 01/07/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Virtually all eukaryotic cells contain spatially distinct genomes, a single nuclear genome that harbours the vast majority of genes and much smaller genomes found in mitochondria present at thousands of copies per cell. To generate a coordinated gene response to various environmental cues, the genomes must communicate with each another. Much of this bi-directional crosstalk relies on epigenetic processes, including DNA, RNA, and histone modification pathways. Crucially, these pathways, in turn depend on many metabolites generated in specific pools throughout the cell, including the mitochondria. They also involve the transport of metabolites as well as the enzymes that catalyse these modifications between nuclear and mitochondrial genomes. SCOPE OF REVIEW This study examines some of the molecular mechanisms by which metabolites influence the activity of epigenetic enzymes, ultimately affecting gene regulation in response to metabolic cues. We particularly focus on the subcellular localisation of metabolite pools and the crosstalk between mitochondrial and nuclear proteins and RNAs. We consider aspects of mitochondrial-nuclear communication involving histone proteins, and potentially their epigenetic marks, and discuss how nuclear-encoded enzymes regulate mitochondrial function through epitranscriptomic pathways involving various classes of RNA molecules within mitochondria. MAJOR CONCLUSIONS Epigenetic communication between nuclear and mitochondrial genomes occurs at multiple levels, ultimately ensuring a coordinated gene expression response between different genetic environments. Metabolic changes stimulated, for example, by environmental factors, such as diet or physical activity, alter the relative abundances of various metabolites, thereby directly affecting the epigenetic machinery. These pathways, coupled to regulated protein and RNA transport mechanisms, underpin the coordinated gene expression response. Their overall importance to the fitness of a cell is highlighted by the identification of many mutations in the pathways we discuss that have been linked to human disease including cancer.
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Affiliation(s)
- Meike Wiese
- Max-Planck-Institute for Immunobiology und Epigenetics, Department of Chromatin Regulation, Stübeweg 51, 79108, Freiburg im Breisgau, Germany
| | - Andrew J Bannister
- Gurdon Institute and Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK.
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24
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Thomas SP, Haws SA, Borth LE, Denu JM. A practical guide for analysis of histone post-translational modifications by mass spectrometry: Best practices and pitfalls. Methods 2019; 184:53-60. [PMID: 31816396 DOI: 10.1016/j.ymeth.2019.12.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 11/23/2019] [Accepted: 12/02/2019] [Indexed: 02/06/2023] Open
Abstract
Advances in mass spectrometry (MS) have revolutionized the ability to measure global changes in histone post-translational modifications (PTMs). The method routinely quantifies over 60 modification states in a single sample, far exceeding the capabilities of traditional western blotting. Thus, MS-based histone analysis has become an increasingly popular tool for understanding how genetic and environmental factors influence epigenetic states. However, histone proteomics experiments exhibit unique challenges, such as batch-to-batch reproducibility, accurate peak integration, and noisy data. Here, we discuss the steps of histone PTM analysis, from sample preparation and peak integration to data analysis and validation. We outline a set of best practices for ensuring data quality, accurate normalization, and robust statistics. Using these practices, we quantify histone modifications in 5 human cell lines, revealing that each cell line exhibits a unique epigenetic signature. We also provide a reproducible workflow for histone PTM analysis in the form of an R script, which is freely available at https://github.com/DenuLab/HistoneAnalysisWorkflow.
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Affiliation(s)
- Sydney P Thomas
- Wisconsin Institute for Discovery, 330 N. Orchard Street, Madison, WI, USA; Department of Biomolecular Chemistry, University of Wisconsin, Madison, 420 Henry Mall, Madison, WI, USA
| | - Spencer A Haws
- Wisconsin Institute for Discovery, 330 N. Orchard Street, Madison, WI, USA; Department of Biomolecular Chemistry, University of Wisconsin, Madison, 420 Henry Mall, Madison, WI, USA
| | - Laura E Borth
- Wisconsin Institute for Discovery, 330 N. Orchard Street, Madison, WI, USA; Department of Biomolecular Chemistry, University of Wisconsin, Madison, 420 Henry Mall, Madison, WI, USA
| | - John M Denu
- Wisconsin Institute for Discovery, 330 N. Orchard Street, Madison, WI, USA; Department of Biomolecular Chemistry, University of Wisconsin, Madison, 420 Henry Mall, Madison, WI, USA.
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25
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Xu X, Cao X, Yang J, Chen L, Liu B, Liu T, Jin Q. Proteome-Wide Identification of Lysine Propionylation in the Conidial and Mycelial Stages of Trichophyton rubrum. Front Microbiol 2019; 10:2613. [PMID: 31798556 PMCID: PMC6861857 DOI: 10.3389/fmicb.2019.02613] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/28/2019] [Indexed: 01/05/2023] Open
Abstract
Posttranslational modifications (PTMs) exist in a wide variety of organisms and play key roles in regulating various essential biological processes. Lysine propionylation is a newly discovered PTM that has rarely been identified in fungi. Trichophyton rubrum (T. rubrum) is one of the most common fungal pathogens in the world and has been studied as an important model organism of anthropic pathogenic filamentous fungi. In this study, we performed a proteome-wide propionylation analysis in the conidial and mycelial stages of T. rubrum. A total of 157 propionylated sites on 115 proteins were identified, and the high confidence of propionylation identification was validated by parallel reaction monitoring (PRM) assay. The results show that the propionylated proteins were mostly involved in various metabolic pathways. Histones and 15 pathogenicity-related proteins were also targets for propionylation modification, suggesting their roles in epigenetic regulation and pathogenicity. A comparison of the conidial and mycelial stages revealed that most propionylated proteins and sites were growth-stage specific and independent of protein abundance. Based on the function classifications, the propionylated proteins had a similar distribution in both stages; however, some differences were also identified. Furthermore, our results show that the concentration of propionyl-CoA had a significant influence on the propionylation level. In addition to the acetylation, succinylation and propionylation identified in T. rubrum, 26 other PTMs were also found to exist in this fungus. Overall, our study provides the first global propionylation profile of a pathogenic fungus. These results would be a foundation for further research on the regulation mechanism of propionylation in T. rubrum, which will enhance our understanding of the physiological features of T. rubrum and provide some clues for the exploration of improved therapies to treat this medically important fungus.
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Affiliation(s)
- Xingye Xu
- NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xingwei Cao
- NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Jian Yang
- NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Lihong Chen
- NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Bo Liu
- NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Tao Liu
- NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Qi Jin
- NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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Li J, Wang T, Xia J, Yao W, Huang F. Enzymatic and nonenzymatic protein acetylations control glycolysis process in liver diseases. FASEB J 2019; 33:11640-11654. [PMID: 31370704 DOI: 10.1096/fj.201901175r] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Impaired glycolysis has pathologic effects on the occurrence and progression of liver diseases, and it appears that glycolysis is increased to different degrees in different liver diseases. As an important post-translational modification, reversible lysine acetylation regulates almost all cellular processes, including glycolysis. Lysine acetylation can occur enzymatically with acetyltransferases or nonenzymatically with acetyl-coenzyme A. Accompanied by the progression of liver diseases, there seems to be a temporal and spatial variation between enzymatic and nonenzymatic acetylations in the regulation of glycolysis. Here, we summarize the most recent findings on the functions and targets of acetylation in controlling glycolysis in the different stages of liver diseases. In addition, we discuss the differences and causes between enzymatic and nonenzymatic acetylations in regulating glycolysis throughout the progression of liver diseases. Then, we review these new discoveries to provide the potential implications of these findings for therapeutic interventions in liver diseases.-Li, J., Wang, T., Xia, J., Yao, W., Huang, F. Enzymatic and nonenzymatic protein acetylations control glycolysis process in liver diseases.
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Affiliation(s)
- Juan Li
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Tongxin Wang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Jun Xia
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Weilei Yao
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Feiruo Huang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
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Lu M, Zhu WW, Wang X, Tang JJ, Zhang KL, Yu GY, Shao WQ, Lin ZF, Wang SH, Lu L, Zhou J, Wang LX, Jia HL, Dong QZ, Chen JH, Lu JQ, Qin LX. ACOT12-Dependent Alteration of Acetyl-CoA Drives Hepatocellular Carcinoma Metastasis by Epigenetic Induction of Epithelial-Mesenchymal Transition. Cell Metab 2019; 29:886-900.e5. [PMID: 30661930 DOI: 10.1016/j.cmet.2018.12.019] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 09/17/2018] [Accepted: 12/21/2018] [Indexed: 12/31/2022]
Abstract
Metabolic reprogramming plays an important role in supporting tumor growth. However, little is known about the metabolic alterations that promote cancer metastasis. In this study, we identify acyl-CoA thioesterase 12 (ACOT12) as a key player in hepatocellular carcinoma (HCC) metastasis. The expression of ACOT12 is significantly down-regulated in HCC tissues and is closely associated with HCC metastasis and poor survival of HCC patients. Gain- and loss-of-function studies demonstrate that ACOT12 suppresses HCC metastasis both in vitro and in vivo. Further mechanistic studies reveal that ACOT12 regulates the cellular acetyl-CoA levels and histone acetylation in HCC cells and that down-regulation of ACOT12 promotes HCC metastasis by epigenetically inducing TWIST2 expression and the promotion of epithelial-mesenchymal transition. Taken together, our findings link the alteration of acetyl-CoA with HCC metastasis and imply that ACOT12 could be a prognostic marker and a potential therapeutic target for combating HCC metastasis.
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Affiliation(s)
- Ming Lu
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China.
| | - Wen-Wei Zhu
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | - Xuan Wang
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | - Jing-Jie Tang
- State Key Laboratory of Molecular Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Kai-Li Zhang
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Guang-Yang Yu
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Wei-Qing Shao
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | - Zhi-Fei Lin
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | - Sheng-Hao Wang
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | - Lu Lu
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | - Jian Zhou
- Qidong People's Hospital, Jiangsu 226299, China
| | | | - Hu-Liang Jia
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | - Qiong-Zhu Dong
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Jin-Hong Chen
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China
| | | | - Lun-Xiu Qin
- Department of General Surgery, Huashan Hospital, Cancer Metastasis Institute, Fudan University, 12 Urumqi Road (M), Shanghai 200040, China; Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China.
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Chia SZ, Lai YW, Yagoub D, Lev S, Hamey JJ, Pang CNI, Desmarini D, Chen Z, Djordjevic JT, Erce MA, Hart-Smith G, Wilkins MR. Knockout of the Hmt1p Arginine Methyltransferase in Saccharomyces cerevisiae Leads to the Dysregulation of Phosphate-associated Genes and Processes. Mol Cell Proteomics 2018; 17:2462-2479. [PMID: 30206180 PMCID: PMC6283299 DOI: 10.1074/mcp.ra117.000214] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 08/14/2018] [Indexed: 11/06/2022] Open
Abstract
Hmt1p is the predominant arginine methyltransferase in Saccharomyces cerevisiae Its substrate proteins are involved in transcription, transcriptional regulation, nucleocytoplasmic transport and RNA splicing. Hmt1p-catalyzed methylation can also modulate protein-protein interactions. Hmt1p is conserved from unicellular eukaryotes through to mammals where its ortholog, PRMT1, is lethal upon knockout. In yeast, however, the effect of knockout on the transcriptome and proteome has not been described. Transcriptome analysis revealed downregulation of phosphate-responsive genes in hmt1Δ, including acid phosphatases PHO5, PHO11, and PHO12, phosphate transporters PHO84 and PHO89 and the vacuolar transporter chaperone VTC3 Analysis of the hmt1Δ proteome revealed decreased abundance of phosphate-associated proteins including phosphate transporter Pho84p, vacuolar alkaline phosphatase Pho8p, acid phosphatase Pho3p and subunits of the vacuolar transporter chaperone complex Vtc1p, Vtc3p and Vtc4p. Consistent with this, phosphate homeostasis was dysregulated in hmt1Δ cells, showing decreased extracellular phosphatase levels and decreased total Pi in phosphate-depleted medium. In vitro, we showed that transcription factor Pho4p can be methylated at Arg-241, which could explain phosphate dysregulation in hmt1Δ if interplay exists with phosphorylation at Ser-242 or Ser-243, or if Arg-241 methylation affects the capacity of Pho4p to homodimerize or interact with Pho2p. However, the Arg-241 methylation site was not validated in vivo and the localization of a Pho4p-GFP fusion in hmt1Δ was not different from wild type. To our knowledge, this is the first study to reveal an association between Hmt1p and phosphate homeostasis and one which suggests a regulatory link between S-adenosyl methionine and intracellular phosphate.
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Affiliation(s)
- Samantha Z Chia
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Yu-Wen Lai
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Daniel Yagoub
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Sophie Lev
- Centre for Infectious Diseases and Microbiology, Westmead Millennium Institute and Sydney Medical School, University of Sydney at Westmead Hospital, Westmead, New South Wales, Australia
| | - Joshua J Hamey
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Chi Nam Ignatius Pang
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Desmarini Desmarini
- Centre for Infectious Diseases and Microbiology, Westmead Millennium Institute and Sydney Medical School, University of Sydney at Westmead Hospital, Westmead, New South Wales, Australia
| | - Zhiliang Chen
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Julianne T Djordjevic
- Centre for Infectious Diseases and Microbiology, Westmead Millennium Institute and Sydney Medical School, University of Sydney at Westmead Hospital, Westmead, New South Wales, Australia
| | - Melissa A Erce
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Gene Hart-Smith
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Marc R Wilkins
- Systems Biology Initiative, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia.
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Ciafrè S, Carito V, Ferraguti G, Greco A, Chaldakov GN, Fiore M, Ceccanti M. How alcohol drinking affects our genes: an epigenetic point of view. Biochem Cell Biol 2018; 97:345-356. [PMID: 30412425 DOI: 10.1139/bcb-2018-0248] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
This work highlights recent studies in epigenetic mechanisms that play a role in alcoholism, which is a complex multifactorial disorder. There is a large body of evidence showing that alcohol can modify gene expression through epigenetic processes, namely DNA methylation and nucleosomal remodeling via histone modifications. In that regard, chronic exposure to ethanol modifies DNA and histone methylation, histone acetylation, and microRNA expression. The alcohol-mediated chromatin remodeling in the brain promotes the transition from use to abuse and addiction. Unravelling the multiplex pattern of molecular modifications induced by ethanol could support the development of new therapies for alcoholism and drug addiction targeting epigenetic processes.
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Affiliation(s)
- Stefania Ciafrè
- a Institute of Translational Pharmacology, IFT-CNR, 100 via del Fosso del Cavaliere, Rome 00133, Italy
| | - Valentina Carito
- b Institute of Cell Biology and Neurobiology, IBCN-CNR, c/o Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico, 155 (00161), Rome, Italy
| | - Giampiero Ferraguti
- c Department of Experimental Medicine, Sapienza University of Rome, Viale del Policlinico, 155 (00161), Rome, Italy
| | - Antonio Greco
- d Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico, 155 (00161), Rome, Italy
| | - George N Chaldakov
- e Laboratory of Cell Biology, Department of Anatomy and Histology, Medical University, BG-9002 Varna, Bulgaria
| | - Marco Fiore
- b Institute of Cell Biology and Neurobiology, IBCN-CNR, c/o Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico, 155 (00161), Rome, Italy
| | - Mauro Ceccanti
- f Centro Riferimento Alcologico Regione Lazio, Sapienza University of Rome, Viale del Policlinico, 155 (00161), Rome, Italy
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30
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Vancura A, Nagar S, Kaur P, Bu P, Bhagwat M, Vancurova I. Reciprocal Regulation of AMPK/SNF1 and Protein Acetylation. Int J Mol Sci 2018; 19:ijms19113314. [PMID: 30366365 PMCID: PMC6274705 DOI: 10.3390/ijms19113314] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 10/22/2018] [Accepted: 10/24/2018] [Indexed: 12/31/2022] Open
Abstract
Adenosine monophosphate (AMP)-activated protein kinase (AMPK) serves as an energy sensor and master regulator of metabolism. In general, AMPK inhibits anabolism to minimize energy consumption and activates catabolism to increase ATP production. One of the mechanisms employed by AMPK to regulate metabolism is protein acetylation. AMPK regulates protein acetylation by at least five distinct mechanisms. First, AMPK phosphorylates and inhibits acetyl-CoA carboxylase (ACC) and thus regulates acetyl-CoA homeostasis. Since acetyl-CoA is a substrate for all lysine acetyltransferases (KATs), AMPK affects the activity of KATs by regulating the cellular level of acetyl-CoA. Second, AMPK activates histone deacetylases (HDACs) sirtuins by increasing the cellular concentration of NAD⁺, a cofactor of sirtuins. Third, AMPK inhibits class I and II HDACs by upregulating hepatic synthesis of α-hydroxybutyrate, a natural inhibitor of HDACs. Fourth, AMPK induces translocation of HDACs 4 and 5 from the nucleus to the cytoplasm and thus increases histone acetylation in the nucleus. Fifth, AMPK directly phosphorylates and downregulates p300 KAT. On the other hand, protein acetylation regulates AMPK activity. Sirtuin SIRT1-mediated deacetylation of liver kinase B1 (LKB1), an upstream kinase of AMPK, activates LKB1 and AMPK. AMPK phosphorylates and inactivates ACC, thus increasing acetyl-CoA level and promoting LKB1 acetylation and inhibition. In yeast cells, acetylation of Sip2p, one of the regulatory β-subunits of the SNF1 complex, results in inhibition of SNF1. This results in activation of ACC and reduced cellular level of acetyl-CoA, which promotes deacetylation of Sip2p and activation of SNF1. Thus, in both yeast and mammalian cells, AMPK/SNF1 regulate protein acetylation and are themselves regulated by protein acetylation.
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Affiliation(s)
- Ales Vancura
- Department of Biological Sciences, St. John's University, New York, NY 11439, USA.
| | - Shreya Nagar
- Department of Biological Sciences, St. John's University, New York, NY 11439, USA.
| | - Pritpal Kaur
- Department of Biological Sciences, St. John's University, New York, NY 11439, USA.
| | - Pengli Bu
- Department of Biological Sciences, St. John's University, New York, NY 11439, USA.
| | - Madhura Bhagwat
- Department of Biological Sciences, St. John's University, New York, NY 11439, USA.
| | - Ivana Vancurova
- Department of Biological Sciences, St. John's University, New York, NY 11439, USA.
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31
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Varland S, Aksnes H, Kryuchkov F, Impens F, Van Haver D, Jonckheere V, Ziegler M, Gevaert K, Van Damme P, Arnesen T. N-terminal Acetylation Levels Are Maintained During Acetyl-CoA Deficiency in Saccharomyces cerevisiae. Mol Cell Proteomics 2018; 17:2309-2323. [PMID: 30150368 PMCID: PMC6283290 DOI: 10.1074/mcp.ra118.000982] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/22/2018] [Indexed: 12/17/2022] Open
Abstract
Nt-acetylation is a prevalent protein modification catalyzed by N-terminal acetyltransferases using acetyl-CoA as acetyl donor. Here, we performed a global analysis of Nt-acetylation in yeast following nutrient starvation. Contrary to histone acetylation, which is sensitive to acetyl-CoA levels, we demonstrate that Nt-acetylation remains largely unaffected to changes in cellular metabolism. We did, however, identify two protein groups that were differentially Nt-acetylated, one showing the same sensitivity to acetyl-CoA as histones. We propose that specific, rather than global, Nt-acetylation events are subject to metabolic regulation. N-terminal acetylation (Nt-acetylation) is a highly abundant protein modification in eukaryotes and impacts a wide range of cellular processes, including protein quality control and stress tolerance. Despite its prevalence, the mechanisms regulating Nt-acetylation are still nebulous. Here, we present the first global study of Nt-acetylation in yeast cells as they progress to stationary phase in response to nutrient starvation. Surprisingly, we found that yeast cells maintain their global Nt-acetylation levels upon nutrient depletion, despite a marked decrease in acetyl-CoA levels. We further observed two distinct sets of protein N termini that display differential and opposing Nt-acetylation behavior upon nutrient starvation, indicating a dynamic process. The first protein cluster was enriched for annotated N termini showing increased Nt-acetylation in stationary phase compared with exponential growth phase. The second protein cluster was conversely enriched for alternative nonannotated N termini (i.e. N termini indicative of shorter N-terminal proteoforms) and, like histones, showed reduced acetylation levels in stationary phase when acetyl-CoA levels were low. Notably, the degree of Nt-acetylation of Pcl8, a negative regulator of glycogen biosynthesis and two components of the pre-ribosome complex (Rsa3 and Rpl7a) increased during starvation. Moreover, the steady-state levels of these proteins were regulated both by starvation and NatA activity. In summary, this study represents the first comprehensive analysis of metabolic regulation of Nt-acetylation and reveals that specific, rather than global, Nt-acetylation events are subject to metabolic regulation.
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Affiliation(s)
- Sylvia Varland
- Department of Biomedicine, University of Bergen, N-5020 Bergen, Norway; Department of Biological Sciences, University of Bergen, N-5020 Bergen, Norway; Donnelly Center for Cellular and Bio‡molecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada.
| | - Henriette Aksnes
- Department of Biomedicine, University of Bergen, N-5020 Bergen, Norway; Department of Biological Sciences, University of Bergen, N-5020 Bergen, Norway
| | - Fedor Kryuchkov
- Department of Biomedicine, University of Bergen, N-5020 Bergen, Norway
| | - Francis Impens
- VIB-UGent Center for Medical Biotechnology, B-9000 Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium; VIB Proteomics Core, B-9000 Ghent, Belgium
| | - Delphi Van Haver
- VIB-UGent Center for Medical Biotechnology, B-9000 Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium; VIB Proteomics Core, B-9000 Ghent, Belgium
| | - Veronique Jonckheere
- VIB-UGent Center for Medical Biotechnology, B-9000 Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium
| | - Mathias Ziegler
- Department of Biomedicine, University of Bergen, N-5020 Bergen, Norway; Department of Biological Sciences, University of Bergen, N-5020 Bergen, Norway
| | - Kris Gevaert
- VIB-UGent Center for Medical Biotechnology, B-9000 Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium
| | - Petra Van Damme
- Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium.
| | - Thomas Arnesen
- Department of Biomedicine, University of Bergen, N-5020 Bergen, Norway; Department of Biological Sciences, University of Bergen, N-5020 Bergen, Norway; Department of Surgery, Haukeland University Hospital, N-5021 Bergen, Norway
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Nieborak A, Schneider R. Metabolic intermediates - Cellular messengers talking to chromatin modifiers. Mol Metab 2018; 14:39-52. [PMID: 29397344 PMCID: PMC6034042 DOI: 10.1016/j.molmet.2018.01.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 01/05/2018] [Accepted: 01/11/2018] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND To maintain homeostasis, cells need to coordinate the expression of their genes. Epigenetic mechanisms controlling transcription activation and repression include DNA methylation and post-translational modifications of histones, which can affect the architecture of chromatin and/or create 'docking platforms' for multiple binding proteins. These modifications can be dynamically set and removed by various enzymes that depend on the availability of key metabolites derived from different intracellular pathways. Therefore, small metabolites generated in anabolic and catabolic processes can integrate multiple external and internal stimuli and transfer information on the energetic state of a cell to the transcriptional machinery by regulating the activity of chromatin-modifying enzymes. SCOPE OF REVIEW This review provides an overview of the current literature and concepts on the connections and crosstalk between key cellular metabolites, enzymes responsible for their synthesis, recycling, and conversion and chromatin marks controlling gene expression. MAJOR CONCLUSIONS Whereas current evidence indicates that many chromatin-modifying enzymes respond to alterations in the levels of their cofactors, cosubstrates, and inhibitors, the detailed molecular mechanisms and functional consequences of such processes are largely unresolved. A deeper investigation of mechanisms responsible for altering the total cellular concentration of particular metabolites, as well as their nuclear abundance and accessibility for chromatin-modifying enzymes, will be necessary to better understand the crosstalk between metabolism, chromatin marks, and gene expression.
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Affiliation(s)
- Anna Nieborak
- Institute of Functional Epigenetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Robert Schneider
- Institute of Functional Epigenetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany; Faculty of Biology, LMU, 82152 Martinsried, Germany.
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33
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Pan D, Wang L, Chen S, Lv X, Lu S, Cheng CL, Tan F, Chen W. Protein acetylation as a mechanism for Kandelia candel's adaption to daily flooding. TREE PHYSIOLOGY 2018; 38:895-910. [PMID: 29301031 DOI: 10.1093/treephys/tpx162] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Accepted: 12/07/2017] [Indexed: 06/07/2023]
Abstract
To explore the adaptation mechanisms of Kandelia candel (L.) Druce in response to daily flooding, a large-scale quantitative lysine acetylome was carried out using immunoaffinity enrichment of Lys-acetylated peptides and liquid chromatography linked to tandem mass spectrometry. A total of 1041 lysine acetylation (LysAc) sites, 1021 Lys-acetylated peptides and 617 Lys-acetylated proteins were identified. Six conserved sequence motifs of the LysAc sites, including a new motif KxxxxK, were detected. Among these proteins, 260 were differentially acetylated in response to flooding, which were preferentially predicted to participate in carbon metabolism and photosynthesis pathways based on KEGG pathway category enrichment analysis. Consistently, the transcriptional level of acetyltransferase and the consumption of acetyl-CoA were up-regulated under flooding conditions. Most of physiological parameters and mRNA expression levels related to carbon metabolism and photosynthesis were found to be insignificantly affected by flooding. Taken together, reversible protein LysAc is likely to be a post-translational mechanism contributing to the mangrove K. candel's adaptation to daily flooding.
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Affiliation(s)
- Dezhuo Pan
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Lingxia Wang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
- College of Life Sciences, Ningxia University, Yinchuan 750021, PR China
| | - Shipin Chen
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Xiaojie Lv
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Si Lu
- College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
| | - Chi-Lien Cheng
- Department of Biology, The University of Iowa, 210 Biology Building, Iowa City, IA 52242, USA
| | - Fanlin Tan
- Fujian Academy of Forestry, Fuzhou 350012, PR China
| | - Wei Chen
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, PR China
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Simithy J, Sidoli S, Garcia BA. Integrating Proteomics and Targeted Metabolomics to Understand Global Changes in Histone Modifications. Proteomics 2018. [PMID: 29512899 DOI: 10.1002/pmic.201700309] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The chromatin fiber is the control panel of eukaryotic cells. Chromatin is mostly composed of DNA, which contains the genetic instruction for cell phenotype, and histone proteins, which provide the scaffold for chromatin folding and part of the epigenetic inheritance. Histone writers/erasers "flag" chromatin regions by catalyzing/removing covalent histone post-translational modifications (PTMs). Histone PTMs chemically contribute to chromatin relaxation or compaction and recruit histone readers to modulate DNA readout. The precursors of protein PTMs are mostly small metabolites. For instance, acetyl-CoA is used for acetylation, ATP for phosphorylation, and S-adenosylmethionine for methylation. Interestingly, PTMs such as acetylation can occur at neutral pH also without their respective enzyme when the precursor is sufficiently concentrated. Therefore, it is essential to differentially quantify the contribution of histone writers/erasers versus the effect of local concentration of metabolites to understand the primary regulation of histone PTM abundance. Aberrant phenotypes such as cancer cells have misregulated metabolism and thus the composition and the modulation of chromatin is not only driven by enzymatic tuning. In this review, the latest advances in mass spectrometry (MS) to analyze histone PTMs and the most adopted quantification methods for related metabolites, both necessary to understand PTM relative changes, are discussed.
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Affiliation(s)
- Johayra Simithy
- Epigenetics Institute, Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Simone Sidoli
- Epigenetics Institute, Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Benjamin A Garcia
- Epigenetics Institute, Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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35
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Cai Q, Wang ZK, Shao W, Ying SH, Feng MG. Essential role of Rpd3-dependent lysine modification in the growth, development and virulence of Beauveria bassiana. Environ Microbiol 2018; 20:1590-1606. [PMID: 29575704 DOI: 10.1111/1462-2920.14100] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 03/07/2018] [Accepted: 03/08/2018] [Indexed: 02/01/2023]
Abstract
Rpd3 is a class I histone deacetylase that reverses lysine acetylation thus influencing cellular processes and functions. However, its role in fungal insect pathogens has not been explored yet. Here we show that Rpd3-dependent lysine modification and gene expression orchestrate growth, conidiation and virulence in Beauveria bassiana. Deletion of Rpd3 resulted in severe growth defects on various carbon/nitrogen sources, 97% reduction in conidiation capacity and drastic attenuation in virulence. These phenotypes concurred with differential expression of 1479 proteins and hyperacetylation or hypoacetylation of 2227 lysine residues on 1134 proteins. Many of these proteins fell into carbon/nitrogen metabolism and cell rescue/defence/virulence, indicating vital roles of Rpd3-dependent protein expression and lysine modification in the fungal growth and virulence. Intriguingly, lysine residues of four core histones (H2A, H2B, H3 and H4) and many histone acetyltransferases were also hyper- or hypoacetylated in Δrpd3, suggesting direct and indirect roles for Rpd3 in genome-wide lysine modification. However, crucial development activators were transcriptionally repressed and not found in either proteome or acetylome. Single/double-site-directed H3K9/K14 mutations for hyper/hypoacetylation exerted significant impacts on conidiation and dimorphic transition crucial for fungal virulence. Altogether, Rpd3 mediates growth, asexual development and virulence through transcriptional/translational regulation and posttranslational lysine modification in B. bassiana.
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Affiliation(s)
- Qing Cai
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Zhi-Kang Wang
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China.,Shandong Provincial Key Laboratory of Microbial Engineering, Qilu University of Technology, Jinan, Shandong 250353, China
| | - Wei Shao
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Sheng-Hua Ying
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Ming-Guang Feng
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
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36
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Luo J, Xu P, Cao P, Wan H, Lv X, Xu S, Wang G, Cook MN, Jones BC, Lu L, Wang X. Integrating Genetic and Gene Co-expression Analysis Identifies Gene Networks Involved in Alcohol and Stress Responses. Front Mol Neurosci 2018; 11:102. [PMID: 29674951 PMCID: PMC5895640 DOI: 10.3389/fnmol.2018.00102] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 03/15/2018] [Indexed: 02/06/2023] Open
Abstract
Although the link between stress and alcohol is well recognized, the underlying mechanisms of how they interplay at the molecular level remain unclear. The purpose of this study is to identify molecular networks underlying the effects of alcohol and stress responses, as well as their interaction on anxiety behaviors in the hippocampus of mice using a systems genetics approach. Here, we applied a gene co-expression network approach to transcriptomes of 41 BXD mouse strains under four conditions: stress, alcohol, stress-induced alcohol and control. The co-expression analysis identified 14 modules and characterized four expression patterns across the four conditions. The four expression patterns include up-regulation in no restraint stress and given an ethanol injection (NOE) but restoration in restraint stress followed by an ethanol injection (RSE; pattern 1), down-regulation in NOE but rescue in RSE (pattern 2), up-regulation in both restraint stress followed by a saline injection (RSS) and NOE, and further amplification in RSE (pattern 3), and up-regulation in RSS but reduction in both NOE and RSE (pattern 4). We further identified four functional subnetworks by superimposing protein-protein interactions (PPIs) to the 14 co-expression modules, including γ-aminobutyric acid receptor (GABA) signaling, glutamate signaling, neuropeptide signaling, cAMP-dependent signaling. We further performed module specificity analysis to identify modules that are specific to stress, alcohol, or stress-induced alcohol responses. Finally, we conducted causality analysis to link genetic variation to these identified modules, and anxiety behaviors after stress and alcohol treatments. This study underscores the importance of integrative analysis and offers new insights into the molecular networks underlying stress and alcohol responses.
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Affiliation(s)
- Jie Luo
- Central Laboratory of Zhejiang Academy of Agricultural Sciences, Zhejiang Academy of Agricultural Sciences Hangzhou, China.,Institute of Digital Agriculture, Zhejiang Academy of Agricultural Sciences Hangzhou, China
| | - Pei Xu
- Institute of Vegetables, Zhejiang Academy of Agricultural Sciences Hangzhou, China.,State Key Laboratory Breeding Base for Sustainable Control of Plant Pest and Disease, Zhejiang Academy of Agricultural Sciences Hangzhou, China
| | - Peijian Cao
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC Zhengzhou, China
| | - Hongjian Wan
- Institute of Vegetables, Zhejiang Academy of Agricultural Sciences Hangzhou, China
| | - Xiaonan Lv
- Institute of Digital Agriculture, Zhejiang Academy of Agricultural Sciences Hangzhou, China
| | - Shengchun Xu
- Central Laboratory of Zhejiang Academy of Agricultural Sciences, Zhejiang Academy of Agricultural Sciences Hangzhou, China
| | - Gangjun Wang
- Central Laboratory of Zhejiang Academy of Agricultural Sciences, Zhejiang Academy of Agricultural Sciences Hangzhou, China
| | - Melloni N Cook
- Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center Memphis, TN, United States.,Department of Psychology, University of Memphis Memphis, TN, United States
| | - Byron C Jones
- Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center Memphis, TN, United States
| | - Lu Lu
- Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center Memphis, TN, United States.,Department of Neurology, Affiliated Hospital of Nantong University Nantong, China
| | - Xusheng Wang
- St. Jude Proteomics Facility, St. Jude Children's Research Hospital Memphis, TN, United States
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37
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Xu X, Liu T, Yang J, Chen L, Liu B, Wang L, Jin Q. The First Whole-Cell Proteome- and Lysine-Acetylome-Based Comparison between Trichophyton rubrum Conidial and Mycelial Stages. J Proteome Res 2018; 17:1436-1451. [PMID: 29564889 DOI: 10.1021/acs.jproteome.7b00793] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Trichophyton rubrum is the most common fungal pathogen in the world, which has been studied as an important dermatophyte model organism. Despite the prevalence of T. rubrum, the available antifungal therapies are not sufficiently efficient. In this study, we performed the first comparison between the two major growth stages of T. rubrum: conidial and mycelial stages, based on their whole-cell proteomes and lysine acetylomes. In total, 4343 proteins were identified in both stages, and 1879 proteins were identified as differentially expressed between the two stages. The results showed that secretory proteases were more abundant in conidia, while aerobic metabolism and protein synthesis were significantly activated in the mycelial stage. In addition, 386 acetylated sites on 285 proteins and 5414 acetylated sites on 2335 proteins were identified in conidia and mycelia, respectively. The acetylation modifications were highly involved in metabolism and protein synthesis in both stages but differentially involved in Kyoto Encyclopedia of Genes and Genomes pathways and in epigenetic regulation between the two stages. Furthermore, inhibition of acetyltransferases or deacetylases significantly inhibited fungal growth and induced apoptosis. These results will enhance our understanding of the biological and physiological characteristics of T. rubrum and facilitate the development of improved therapies targeting these medically important pathogenic fungi.
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Affiliation(s)
- Xingye Xu
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology , Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100730 , China
| | - Tao Liu
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology , Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100730 , China
| | - Jian Yang
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology , Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100730 , China
| | - Lihong Chen
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology , Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100730 , China
| | - Bo Liu
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology , Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100730 , China
| | - Lingling Wang
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology , Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100730 , China
| | - Qi Jin
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology , Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100730 , China
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38
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Sivanand S, Viney I, Wellen KE. Spatiotemporal Control of Acetyl-CoA Metabolism in Chromatin Regulation. Trends Biochem Sci 2018; 43:61-74. [PMID: 29174173 PMCID: PMC5741483 DOI: 10.1016/j.tibs.2017.11.004] [Citation(s) in RCA: 227] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 11/09/2017] [Accepted: 11/09/2017] [Indexed: 02/06/2023]
Abstract
The epigenome is sensitive to the availability of metabolites that serve as substrates of chromatin-modifying enzymes. Links between acetyl-CoA metabolism, histone acetylation, and gene regulation have been documented, although how specificity in gene regulation is achieved by a metabolite has been challenging to answer. Recent studies suggest that acetyl-CoA metabolism is tightly regulated both spatially and temporally to elicit responses to nutrient availability and signaling cues. Here we discuss evidence that acetyl-CoA production is differentially regulated in the nucleus and cytosol of mammalian cells. Recent findings indicate that acetyl-CoA availability for site-specific histone acetylation is influenced through post-translational modification of acetyl-CoA-producing enzymes, as well as through dynamic regulation of the nuclear localization and chromatin recruitment of these enzymes.
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Affiliation(s)
- Sharanya Sivanand
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Isabella Viney
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Kathryn E Wellen
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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39
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Chen R, Xu M, Nagati J, Garcia JA. Coordinate regulation of stress signaling and epigenetic events by Acss2 and HIF-2 in cancer cells. PLoS One 2017; 12:e0190241. [PMID: 29281714 PMCID: PMC5744998 DOI: 10.1371/journal.pone.0190241] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 12/11/2017] [Indexed: 11/18/2022] Open
Abstract
Survival of cancer cells in the harsh tumor microenvironment, characterized by oxygen and glucose deprivation, requires rapid initiation of cytoprotective measures. Metabolites whose levels change during stress are ideal signaling cues, particularly if used in post-translational modifications of stress-responsive signal transducers. In cancer cells exposed to oxygen or glucose deprivation, there is an increase in cellular levels of acetate, a substrate for acetate-dependent acetyl CoA synthetase 2 (Acss2) that also stimulates translocation of Acss2 from the cytosol to the nucleus. Nuclear, but not cytosolic, Acss2 promotes acetylation of the stress-responsive Hypoxia Inducible Factor 2α (HIF-2α) subunit by the acetyltransferase/coactivator Creb binding protein (Cbp), a process that facilitates stable Cbp/HIF-2α complex formation. In addition to promoting de novo transcription, Cbp and HIF-2α act in concert to regulate local histone 3 epigenetic marks. Exogenous acetate augments Acss2/HIF-2 dependent cancer growth and metastasis in cell culture and mouse models. Thus, an acetate switch in mammals links nutrient intake and stress signaling with tumor growth and metastasis.
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Affiliation(s)
- Rui Chen
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Min Xu
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Jason Nagati
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
| | - Joseph A. Garcia
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
- Department of Medicine, VA North Texas Health Care System, Dallas, Texas, United States of America
- * E-mail:
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40
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Kebede AF, Nieborak A, Shahidian LZ, Le Gras S, Richter F, Gómez DA, Baltissen MP, Meszaros G, Magliarelli HDF, Taudt A, Margueron R, Colomé-Tatché M, Ricci R, Daujat S, Vermeulen M, Mittler G, Schneider R. Histone propionylation is a mark of active chromatin. Nat Struct Mol Biol 2017; 24:1048-1056. [PMID: 29058708 DOI: 10.1038/nsmb.3490] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 09/22/2017] [Indexed: 12/17/2022]
Abstract
Histones are highly covalently modified, but the functions of many of these modifications remain unknown. In particular, it is unclear how histone marks are coupled to cellular metabolism and how this coupling affects chromatin architecture. We identified histone H3 Lys14 (H3K14) as a site of propionylation and butyrylation in vivo and carried out the first systematic characterization of histone propionylation. We found that H3K14pr and H3K14bu are deposited by histone acetyltransferases, are preferentially enriched at promoters of active genes and are recognized by acylation-state-specific reader proteins. In agreement with these findings, propionyl-CoA was able to stimulate transcription in an in vitro transcription system. Notably, genome-wide H3 acylation profiles were redefined following changes to the metabolic state, and deletion of the metabolic enzyme propionyl-CoA carboxylase altered global histone propionylation levels. We propose that histone propionylation, acetylation and butyrylation may act in combination to promote high transcriptional output and to couple cellular metabolism with chromatin structure and function.
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Affiliation(s)
- Adam F Kebede
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Anna Nieborak
- Institute of Functional Epigenetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Lara Zorro Shahidian
- Institute of Functional Epigenetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Stephanie Le Gras
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
| | - Florian Richter
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.,Goethe-Universität Fachbereich Medizin, Frankfurt, Germany
| | - Diana Aguilar Gómez
- Institute of Functional Epigenetics, Helmholtz Zentrum München, Neuherberg, Germany.,Undergraduate Program in Genomic Sciences, National Autonomous University of Mexico, Mexico City, Mexico
| | - Marijke P Baltissen
- Radboud University Nijmegen, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | - Gergo Meszaros
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Université de Strasbourg, Strasbourg, France.,Laboratoire de Biochimie et de Biologie Moléculaire, Nouvel Hôpital Civil, Strasbourg, France
| | | | - Aaron Taudt
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.,Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | | | - Maria Colomé-Tatché
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.,Institute of Computational Biology, Helmholtz Zentrum München, Neuherberg, Germany.,Technical University Munich, Freising, Germany
| | - Romeo Ricci
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Université de Strasbourg, Strasbourg, France.,Laboratoire de Biochimie et de Biologie Moléculaire, Nouvel Hôpital Civil, Strasbourg, France
| | - Sylvain Daujat
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
| | - Michiel Vermeulen
- Radboud University Nijmegen, Radboud Institute for Molecular Life Sciences, Nijmegen, the Netherlands
| | - Gerhard Mittler
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Robert Schneider
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,Institute of Functional Epigenetics, Helmholtz Zentrum München, Neuherberg, Germany.,Ludwig-Maximilains-Universität München, Faculty of Biology, Munich, Germany
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41
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Xu X, Liu T, Yang J, Chen L, Liu B, Wei C, Wang L, Jin Q. The first succinylome profile of Trichophyton rubrum reveals lysine succinylation on proteins involved in various key cellular processes. BMC Genomics 2017; 18:577. [PMID: 28778155 PMCID: PMC5545033 DOI: 10.1186/s12864-017-3977-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 07/31/2017] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Dermatophytes, the most common cause of fungal infections, affect millions of individuals worldwide. They pose a major threat to public health because of the severity and longevity of infections caused by dermatophytes and their refractivity to therapy. Trichophyton rubrum (T. rubrum), the most common dermatophyte species, is a promising model organism for dermatophyte research. Post-translational modifications (PTMs) have been shown to be essential for many biological processes, particularly in the regulation of key cellular processes that contribute to pathogenicity. Although PTMs have important roles, little is known about their roles in T. rubrum and other dermatophytes. Succinylation is a new PTM that has recently been identified. In this study, we assessed the proteome-wide succinylation profile of T. rubrum. This study sought to systematically identify the succinylated sites and proteins in T. rubrum and to reveal the roles of succinylated proteins in various cellular processes as well as the differences in the succinylation profiles in different growth stages of the T. rubrum life cycle. RESULTS A total of 569 succinylated lysine sites were identified in 284 proteins. These succinylated proteins are involved in various cellular processes, such as metabolism, translation and epigenetic regulation. Additionally, 24 proteins related to pathogenicity were found to be succinylated. Comparison of the succinylome at the conidia and mycelia stages revealed that most of the succinylated proteins and sites were growth-stage specific. In addition, the succinylation modifications on histone and ribosomal proteins were significantly different between these two growth stages. Moreover, the sequence features surrounding the succinylated sites were different in the two stages, thus indicating the specific recognition of succinyltransferases in each growth phase. CONCLUSIONS In this study, we explored the first T. rubrum succinylome, which is also the first PTM analysis of dermatophytes reported to date. These results revealed the major roles of the succinylated proteins involved in T. rubrum and the differences in the succinylomes between the two major growth stages. These findings should improve understanding of the physiological and pathogenic properties of dermatophytes and facilitate future development of novel drugs and therapeutics for treating superficial fungal infections.
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Affiliation(s)
- Xingye Xu
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China
| | - Tao Liu
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China
| | - Jian Yang
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China
| | - Lihong Chen
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China
| | - Bo Liu
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China
| | - Candong Wei
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China
| | - Lingling Wang
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China
| | - Qi Jin
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 6, Rongjing East Street, BDA, Beijing, 100176, China.
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42
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Wang ZK, Cai Q, Liu J, Ying SH, Feng MG. Global Insight into Lysine Acetylation Events and Their Links to Biological Aspects in Beauveria bassiana, a Fungal Insect Pathogen. Sci Rep 2017; 7:44360. [PMID: 28295016 PMCID: PMC5353618 DOI: 10.1038/srep44360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 02/08/2017] [Indexed: 01/02/2023] Open
Abstract
Lysine acetylation (Kac) events in filamentous fungi are poorly explored. Here we show a lysine acetylome generated by LC-MS/MS analysis of immunoaffinity-based Kac peptides from normal hyphal cells of Beauveria bassiana, a fungal entomopathogen. The acetylome comprised 283 Kac proteins and 464 Kac sites. These proteins were enriched to eight molecular functions, 20 cellular components, 27 biological processes, 20 KEGG pathways and 12 subcellular localizations. All Kac sites were characterized as six Kac motifs, including a novel motif (KacW) for 26 Kac sites of 17 unknown proteins. Many Kac sites were predicted to be multifunctional, largely expanding the fungal Kac events. Biological importance of identified Kac sites was confirmed through functional analysis of Kac sites on Pmt1 and Pmt4, two O-mannosyltransferases. Singular site mutations (K88R and K482R) of Pmt1 resulted in impaired conidiation, attenuated virulence and decreased tolerance to oxidation and cell wall perturbation. These defects were close to or more severe than those caused by the deletion of pmt1. The Pmt4 K360R mutation facilitated colony growth under normal and stressful conditions and enhanced the fungal virulence. Our findings provide the first insight into the Kac events of B. bassiana and their links to the fungal potential against insect pests.
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Affiliation(s)
- Zhi-Kang Wang
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China.,Shandong Provincial Key Laboratory of Microbial Engineering, Qilu University of Technology, Jinan, Shandong, 250353, China
| | - Qing Cai
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Jin Liu
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Sheng-Hua Ying
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Ming-Guang Feng
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
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43
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Carrer A, Parris JLD, Trefely S, Henry RA, Montgomery DC, Torres A, Viola JM, Kuo YM, Blair IA, Meier JL, Andrews AJ, Snyder NW, Wellen KE. Impact of a High-fat Diet on Tissue Acyl-CoA and Histone Acetylation Levels. J Biol Chem 2017; 292:3312-3322. [PMID: 28077572 PMCID: PMC5336165 DOI: 10.1074/jbc.m116.750620] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 01/06/2017] [Indexed: 11/06/2022] Open
Abstract
Cellular metabolism dynamically regulates the epigenome via availability of the metabolite substrates of chromatin-modifying enzymes. The impact of diet on the metabolism-epigenome axis is poorly understood but could alter gene expression and influence metabolic health. ATP citrate-lyase produces acetyl-CoA in the nucleus and cytosol and regulates histone acetylation levels in many cell types. Consumption of a high-fat diet (HFD) results in suppression of ATP citrate-lyase levels in tissues such as adipose and liver, but the impact of diet on acetyl-CoA and histone acetylation in these tissues remains unknown. Here we examined the effects of HFD on levels of acyl-CoAs and histone acetylation in mouse white adipose tissue (WAT), liver, and pancreas. We report that mice consuming a HFD have reduced levels of acetyl-CoA and/or acetyl-CoA:CoA ratio in these tissues. In WAT and the pancreas, HFD also impacted the levels of histone acetylation; in particular, histone H3 lysine 23 acetylation was lower in HFD-fed mice. Genetic deletion of Acly in cultured adipocytes also suppressed acetyl-CoA and histone acetylation levels. In the liver, no significant effects on histone acetylation were observed with a HFD despite lower acetyl-CoA levels. Intriguingly, acetylation of several histone lysines correlated with the acetyl-CoA: (iso)butyryl-CoA ratio in liver. Butyryl-CoA and isobutyryl-CoA interacted with the acetyltransferase P300/CBP-associated factor (PCAF) in liver lysates and inhibited its activity in vitro This study thus provides evidence that diet can impact tissue acyl-CoA and histone acetylation levels and that acetyl-CoA abundance correlates with acetylation of specific histone lysines in WAT but not in the liver.
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Affiliation(s)
- Alessandro Carrer
- Department of Cancer Biology, Abramson Family Cancer Research Institute
| | - Joshua L D Parris
- Department of Cancer Biology, Abramson Family Cancer Research Institute
| | - Sophie Trefely
- Department of Cancer Biology, Abramson Family Cancer Research Institute; A. J. Drexel Autism Institute, Drexel University, Philadelphia, Pennsylvania 19104
| | - Ryan A Henry
- Department of Cancer Biology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111
| | - David C Montgomery
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702
| | - AnnMarie Torres
- Department of Cancer Biology, Abramson Family Cancer Research Institute
| | - John M Viola
- Department of Cancer Biology, Abramson Family Cancer Research Institute
| | - Yin-Ming Kuo
- Department of Cancer Biology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111
| | - Ian A Blair
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Jordan L Meier
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702
| | - Andrew J Andrews
- Department of Cancer Biology, Fox Chase Cancer Center, Philadelphia, Pennsylvania 19111
| | - Nathaniel W Snyder
- A. J. Drexel Autism Institute, Drexel University, Philadelphia, Pennsylvania 19104
| | - Kathryn E Wellen
- Department of Cancer Biology, Abramson Family Cancer Research Institute.
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44
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YOSHIDA M, KUDO N, KOSONO S, ITO A. Chemical and structural biology of protein lysine deacetylases. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2017; 93:297-321. [PMID: 28496053 PMCID: PMC5489435 DOI: 10.2183/pjab.93.019] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 03/21/2017] [Indexed: 05/27/2023]
Abstract
Histone acetylation is a reversible posttranslational modification that plays a fundamental role in regulating eukaryotic gene expression and chromatin structure/function. Key enzymes for removing acetyl groups from histones are metal (zinc)-dependent and NAD+-dependent histone deacetylases (HDACs). The molecular function of HDACs have been extensively characterized by various approaches including chemical, molecular, and structural biology, which demonstrated that HDACs regulate cell proliferation, differentiation, and metabolic homeostasis, and that their alterations are deeply involved in various human disorders including cancer. Notably, drug discovery efforts have achieved success in developing HDAC-targeting therapeutics for treatment of several cancers. However, recent advancements in proteomics technology have revealed much broader aspects of HDACs beyond gene expression control. Not only histones but also a large number of cellular proteins are subject to acetylation by histone acetyltransferases (HATs) and deacetylation by HDACs. Furthermore, some of their structures can flexibly accept and hydrolyze other acyl groups on protein lysine residues. This review mainly focuses on structural aspects of HDAC enzymatic activity regulated by interaction with substrates, co-factors, small molecule inhibitors, and activators.
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Affiliation(s)
- Minoru YOSHIDA
- RIKEN Center for Sustainable Resource Science, Saitama, Japan
| | - Norio KUDO
- RIKEN Center for Sustainable Resource Science, Saitama, Japan
| | - Saori KOSONO
- RIKEN Center for Sustainable Resource Science, Saitama, Japan
- Biotechnology Research Center, The University of Tokyo, Tokyo, Japan
| | - Akihiro ITO
- RIKEN Center for Sustainable Resource Science, Saitama, Japan
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45
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Abstract
There is a dynamic interplay between metabolic processes and gene regulation via the remodeling of chromatin. Most chromatin-modifying enzymes use cofactors, which are products of metabolic processes. This article explores the biosynthetic pathways of the cofactors nicotinamide adenine dinucleotide (NAD), acetyl coenzyme A (acetyl-CoA), S-adenosyl methionine (SAM), α-ketoglutarate, and flavin adenine dinucleotide (FAD), and their role in metabolically regulating chromatin processes. A more detailed look at the interaction between chromatin and the metabolic processes of circadian rhythms and aging is described as a paradigm for this emerging interdisciplinary field.
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Affiliation(s)
- Shelley L Berger
- Department of Cell & Developmental Biology, Department of Biology, and Department of Genetics, Epigenetics Program, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6508
| | - Paolo Sassone-Corsi
- Center for Epigenetics and Metabolism, Department of Biological Chemistry, University of California, Irvine, Irvine, California 92697-4049
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46
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Abstract
Alterations in the epigenome and metabolism both affect molecular rewiring in cancer cells and facilitate cancer development and progression. However, recent evidence suggests the existence of important bidirectional regulatory mechanisms between metabolic remodelling and the epigenome (specifically methylation and acetylation of histones) in cancer. Most chromatin-modifying enzymes require substrates or cofactors that are intermediates of cell metabolism. Such metabolites, and often the enzymes that produce them, can transfer into the nucleus, directly linking metabolism to nuclear transcription. We discuss how metabolic remodelling can contribute to tumour epigenetic alterations, thereby affecting cancer cell differentiation, proliferation and/or apoptosis, as well as therapeutic responses.
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Affiliation(s)
- Adam Kinnaird
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
- Division of Urology, Department of Surgery, University of Alberta, Edmonton, Alberta T6G 2R7, Canada
| | - Steven Zhao
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Kathryn E Wellen
- Department of Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
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Metabolic interactions with cancer epigenetics. Mol Aspects Med 2016; 54:50-57. [PMID: 27620316 DOI: 10.1016/j.mam.2016.09.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 08/30/2016] [Accepted: 09/03/2016] [Indexed: 01/31/2023]
Abstract
Cancer cells have epigenetic alterations that are known to drive cancer progression. The reversibility of the epigenetic posttranslational modifications on chromatin and DNA renders targeting these modifications an attractive means for cancer therapy. Cellular epigenetic status interacts with cell metabolism, and we are now beginning to understand the nature of how this interaction occurs and the biological contexts that mediate its function. Given the tremendous interest in understanding and targeting metabolic reprogramming in cancer, this nexus also provides opportunities for exploring the liabilities of cancers. This review summarizes recent developments in our understanding of the interaction of cancer metabolism and epigenetics.
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Forte M, Conti V, Damato A, Ambrosio M, Puca AA, Sciarretta S, Frati G, Vecchione C, Carrizzo A. Targeting Nitric Oxide with Natural Derived Compounds as a Therapeutic Strategy in Vascular Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:7364138. [PMID: 27651855 PMCID: PMC5019908 DOI: 10.1155/2016/7364138] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 07/30/2016] [Accepted: 08/01/2016] [Indexed: 12/20/2022]
Abstract
Within the family of endogenous gasotransmitters, nitric oxide (NO) is the smallest gaseous intercellular messenger involved in the modulation of several processes, such as blood flow and platelet aggregation control, essential to maintain vascular homeostasis. NO is produced by nitric oxide synthases (NOS) and its effects are mediated by cGMP-dependent or cGMP-independent mechanisms. Growing evidence suggests a crosstalk between the NO signaling and the occurrence of oxidative stress in the onset and progression of vascular diseases, such as hypertension, heart failure, ischemia, and stroke. For these reasons, NO is considered as an emerging molecular target for developing therapeutic strategies for cardio- and cerebrovascular pathologies. Several natural derived compounds, such as polyphenols, are now proposed as modulators of NO-mediated pathways. The aim of this review is to highlight the experimental evidence on the involvement of nitric oxide in vascular homeostasis focusing on the therapeutic potential of targeting NO with some natural compounds in patients with vascular diseases.
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Affiliation(s)
- Maurizio Forte
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
| | - Valeria Conti
- Università degli Studi di Salerno, Medicine, Surgery and Dentistry, Baronissi, Italy
| | - Antonio Damato
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
| | | | - Annibale A. Puca
- Università degli Studi di Salerno, Medicine, Surgery and Dentistry, Baronissi, Italy
- IRCCS Multimedica, Milan, Italy
| | - Sebastiano Sciarretta
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Rome, Italy
| | - Giacomo Frati
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Rome, Italy
| | - Carmine Vecchione
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
- Università degli Studi di Salerno, Medicine, Surgery and Dentistry, Baronissi, Italy
| | - Albino Carrizzo
- IRCCS Neuromed, Vascular Physiopathology Unit, Pozzilli, Italy
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Ringel AE, Wolberger C. Structural basis for acyl-group discrimination by human Gcn5L2. ACTA CRYSTALLOGRAPHICA SECTION D-STRUCTURAL BIOLOGY 2016; 72:841-8. [PMID: 27377381 PMCID: PMC4932917 DOI: 10.1107/s2059798316007907] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 05/13/2016] [Indexed: 11/10/2022]
Abstract
Gcn5 is a conserved acetyltransferase that regulates transcription by acetylating the N-terminal tails of histones. Motivated by recent studies identifying a chemically diverse array of lysine acyl modifications in vivo, the acyl-chain specificity of the acetyltransferase human Gcn5 (Gcn5L2) was examined. Whereas Gcn5L2 robustly catalyzes lysine acetylation, the acyltransferase activity of Gcn5L2 becomes progressively weaker with increasing acyl-chain length. To understand how Gcn5 discriminates between different acyl-CoA molecules, structures of the catalytic domain of human Gcn5L2 bound to propionyl-CoA and butyryl-CoA were determined. Although the active site of Gcn5L2 can accommodate propionyl-CoA and butyryl-CoA without major structural rearrangements, butyryl-CoA adopts a conformation incompatible with catalysis that obstructs the path of the incoming lysine residue and acts as a competitive inhibitor of Gcn5L2 versus acetyl-CoA. These structures demonstrate how Gcn5L2 discriminates between acyl-chain donors and explain why Gcn5L2 has weak activity for acyl moieties that are larger than an acetyl group.
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Affiliation(s)
- Alison E Ringel
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205, USA
| | - Cynthia Wolberger
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University School of Medicine, 725 North Wolfe Street, Baltimore, MD 21205, USA
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Knyphausen P, de Boor S, Kuhlmann N, Scislowski L, Extra A, Baldus L, Schacherl M, Baumann U, Neundorf I, Lammers M. Insights into Lysine Deacetylation of Natively Folded Substrate Proteins by Sirtuins. J Biol Chem 2016; 291:14677-94. [PMID: 27226597 DOI: 10.1074/jbc.m116.726307] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Indexed: 11/06/2022] Open
Abstract
Sirtuins are NAD(+)-dependent lysine deacylases, regulating a variety of cellular processes. The nuclear Sirt1, the cytosolic Sirt2, and the mitochondrial Sirt3 are robust deacetylases, whereas the other sirtuins have preferences for longer acyl chains. Most previous studies investigated sirtuin-catalyzed deacylation on peptide substrates only. We used the genetic code expansion concept to produce natively folded, site-specific, and lysine-acetylated Sirt1-3 substrate proteins, namely Ras-related nuclear, p53, PEPCK1, superoxide dismutase, cyclophilin D, and Hsp10, and analyzed the deacetylation reaction. Some acetylated proteins such as Ras-related nuclear, p53, and Hsp10 were robustly deacetylated by Sirt1-3. However, other reported sirtuin substrate proteins such as cyclophilin D, superoxide dismutase, and PEPCK1 were not deacetylated. Using a structural and functional approach, we describe the ability of Sirt1-3 to deacetylate two adjacent acetylated lysine residues. The dynamics of this process have implications for the lifetime of acetyl modifications on di-lysine acetylation sites and thus constitute a new mechanism for the regulation of proteins by acetylation. Our studies support that, besides the primary sequence context, the protein structure is a major determinant of sirtuin substrate specificity.
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Affiliation(s)
- Philipp Knyphausen
- From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne and
| | - Susanne de Boor
- From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne and
| | - Nora Kuhlmann
- From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne and
| | - Lukas Scislowski
- From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne and
| | - Antje Extra
- From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne and
| | - Linda Baldus
- From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne and
| | - Magdalena Schacherl
- the Institute for Biochemistry, Zülpicher Strasse 47b, University of Cologne, 50674 Cologne, Germany
| | - Ulrich Baumann
- the Institute for Biochemistry, Zülpicher Strasse 47b, University of Cologne, 50674 Cologne, Germany
| | - Ines Neundorf
- the Institute for Biochemistry, Zülpicher Strasse 47b, University of Cologne, 50674 Cologne, Germany
| | - Michael Lammers
- From the Institute for Genetics and Cologne Excellence Cluster on Cellular Stress Responses in Aging-associated Diseases (CECAD), Joseph-Stelzmann-Strasse 26, University of Cologne, 50931 Cologne and
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