1
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Hao W, Jialong Z, Jiuzhi Y, Yang Y, Chongning L, Jincai L. ADP-ribosylation, a multifaceted modification: Functions and mechanisms in aging and aging-related diseases. Ageing Res Rev 2024; 98:102347. [PMID: 38815933 DOI: 10.1016/j.arr.2024.102347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 05/18/2024] [Accepted: 05/23/2024] [Indexed: 06/01/2024]
Abstract
Aging, a complex biological process, plays key roles the development of multiple disorders referred as aging-related diseases involving cardiovascular diseases, stroke, neurodegenerative diseases, cancers, lipid metabolism-related diseases. ADP-ribosylation is a reversible modification onto proteins and nucleic acids to alter their structures and/or functions. Growing evidence support the importance of ADP-ribosylation and ADP-ribosylation-associated enzymes in aging and age-related diseases. In this review, we summarized ADP-ribosylation-associated proteins including ADP-ribosyl transferases, the ADP-ribosyl hydrolyses and ADP-ribose binding domains. Furthermore, we outlined the latest knowledge about regulation of ADP-ribosylation in the pathogenesis and progression of main aging-related diseases, organism aging and cellular senescence, and we also speculated the underlying mechanisms to better disclose this novel molecular network. Moreover, we discussed current issues and provided an outlook for future research, aiming to revealing the unknown bio-properties of ADP-ribosylation, and establishing a novel therapeutic perspective in aging-related diseases and health aging via targeting ADP-ribosylation.
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Affiliation(s)
- Wu Hao
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Zhao Jialong
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Yuan Jiuzhi
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Yu Yang
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Lv Chongning
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China; Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China
| | - Lu Jincai
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China; Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China.
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2
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Wu H, Lu A, Yuan J, Yu Y, Lv C, Lu J. Mono-ADP-ribosylation, a MARylationmultifaced modification of protein, DNA and RNA: characterizations, functions and mechanisms. Cell Death Discov 2024; 10:226. [PMID: 38734665 PMCID: PMC11088682 DOI: 10.1038/s41420-024-01994-5] [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: 12/19/2023] [Revised: 04/23/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
The functional alterations of proteins and nucleic acids mainly rely on their modifications. ADP-ribosylation is a NAD+-dependent modification of proteins and, in some cases, of nucleic acids. This modification is broadly categorized as Mono(ADP-ribosyl)ation (MARylation) or poly(ADP-ribosyl)ation (PARylation). MARylation catalyzed by mono(ADP-ribosyl) transferases (MARTs) is more common in cells and the number of MARTs is much larger than poly(ADP-ribosyl) transferases. Unlike PARylation is well-characterized, research on MARylation is at the starting stage. However, growing evidence demonstrate the cellular functions of MARylation, supporting its potential roles in human health and diseases. In this review, we outlined MARylation-associated proteins including MARTs, the ADP-ribosyl hydrolyses and ADP-ribose binding domains. We summarized up-to-date findings about MARylation onto newly identified substrates including protein, DNA and RNA, and focused on the functions of these reactions in pathophysiological conditions as well as speculated the potential mechanisms. Furthermore, new strategies of MARylation detection and the current state of MARTs inhibitors were discussed. We also provided an outlook for future study, aiming to revealing the unknown biological properties of MARylation and its relevant mechanisms, and establish a novel therapeutic perspective in human diseases.
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Affiliation(s)
- Hao Wu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Anqi Lu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Jiuzhi Yuan
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Yang Yu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Chongning Lv
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
- Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China
| | - Jincai Lu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China.
- Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang, China.
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3
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Chea C, Lee DY, Kato J, Ishiwata-Endo H, Moss J. Macrodomain Mac1 of SARS-CoV-2 Nonstructural Protein 3 Hydrolyzes Diverse ADP-ribosylated Substrates. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.07.527501. [PMID: 36945431 PMCID: PMC10028740 DOI: 10.1101/2023.02.07.527501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for a global pandemic that resulted in more than 6-million deaths worldwide. The virus encodes several non-structural proteins (Nsps) that contain elements capable of disrupting cellular processes. Among these Nsp proteins, Nsp3 contains macrodomains, e.g., Mac1, Mac2, Mac3, with potential effects on host cells. Mac1 has been shown to increase SARS-CoV-2 virulence and disrupt ADP-ribosylation pathways in mammalian cells. ADP-ribosylation results from the transfer of the ADP-ribose moiety of NAD + to various acceptors, e.g., proteins, DNA, RNA, contributing on a cell's biological processes. ADP-ribosylation is the mechanism of action of bacterial toxins, e.g., Pseudomonas toxins, diphtheria toxin that disrupt protein biosynthetic and signaling pathways. On the other hand, some viral macrodomains cleavage ADP-ribose-acceptor bond, generating free ADP-ribose. By this reaction, the macrodomain-containing proteins interfere ADP-ribose homeostasis in host cells. Here, we examined potential hydrolytic activities of SARS-CoV-2 Mac1, 2, and 3 on substrates containing ADP-ribose. Mac1 cleaved α-NAD + , but not β-NAD + , consistent with stereospecificity at the C-1" bond. In contrast to ARH1 and ARH3, Mac1 did not require Mg 2+ for optimal activity. Mac1 also hydrolyzed O -acetyl-ADP-ribose and ADP-ribose-1"-phosphat, but not Mac2 and Mac3. However, Mac1 did not cleave α-ADP-ribose-(arginine) and ADP-ribose-(serine)-histone H3 peptide, suggesting that Mac1 hydrolyzes ADP-ribose attached to O- and N-linked functional groups, with specificity at the catalytic site in the ADP-ribose moiety. We conclude that SARS-CoV-2 Mac1 may exert anti-viral activity by reversing host-mediated ADP-ribosylation. New insights on Nsp3 activities may shed light on potential SARS-CoV-2 therapeutic targets. IMPORTANCE SARS-CoV-2, the virus responsible for COVID-19, encodes 3 macrodomain-containing proteins, e.g., Mac1, Mac2, Mac3, within non-structural proteins 3 (Nsp3). Mac1 was shown previously to hydrolyze ADP-ribose-phosphate. Inactivation of Mac1 reduced viral proliferation. Here we report that Mac1, but not Mac2 and Mac3, has multiple activities, i.e., Mac1 hydrolyzed. α-NAD + and O -acetyl-ADP-ribose. However, Mac1 did not hydrolyze β-NAD + , ADP-ribose-serine on a histone 3 peptide (aa1-21), and ADP-ribose-arginine, exhibiting substrate selectivity. These data suggest that Mac1 may have multi-function as a α-NAD + consumer for viral replication and a disruptor of host-mediated ADP-ribosylation pathways. Understanding Mac1's mechanisms of action is important to provide possible therapeutic targets for COVID-19.
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4
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Jurėnas D, Rey M, Byrne D, Chamot-Rooke J, Terradot L, Cascales E. Salmonella antibacterial Rhs polymorphic toxin inhibits translation through ADP-ribosylation of EF-Tu P-loop. Nucleic Acids Res 2022; 50:13114-13127. [PMID: 36484105 PMCID: PMC9825190 DOI: 10.1093/nar/gkac1162] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 11/11/2022] [Accepted: 12/07/2022] [Indexed: 12/13/2022] Open
Abstract
Rearrangement hot spot (Rhs) proteins are members of the broad family of polymorphic toxins. Polymorphic toxins are modular proteins composed of an N-terminal region that specifies their mode of secretion into the medium or into the target cell, a central delivery module, and a C-terminal domain that has toxic activity. Here, we structurally and functionally characterize the C-terminal toxic domain of the antibacterial Rhsmain protein, TreTu, which is delivered by the type VI secretion system of Salmonella enterica Typhimurium. We show that this domain adopts an ADP-ribosyltransferase fold and inhibits protein synthesis by transferring an ADP-ribose group from NAD+ to the elongation factor Tu (EF-Tu). This modification is specifically placed on the side chain of the conserved D21 residue located on the P-loop of the EF-Tu G-domain. Finally, we demonstrate that the TriTu immunity protein neutralizes TreTu activity by acting like a lid that closes the catalytic site and traps the NAD+.
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Affiliation(s)
- Dukas Jurėnas
- Correspondence may also be addressed to Dukas Jurėnas.
| | - Martial Rey
- Mass Spectrometry for Biology Unit, Université Paris Cité, Institut Pasteur, CNRS, UAR 2024, 75015 Paris, France
| | - Deborah Byrne
- Protein Expression Facility, Institut de Microbiologie de la Méditerranée (IMM), Aix-Marseille Université, CNRS, 13009 Marseille, France
| | - Julia Chamot-Rooke
- Mass Spectrometry for Biology Unit, Université Paris Cité, Institut Pasteur, CNRS, UAR 2024, 75015 Paris, France
| | - Laurent Terradot
- Laboratory of Molecular Microbiology and Structural Biochemistry, Institut de Biologie et Chimie des Protéines, Centre National de la Recherche Scientifique, Université de Lyon, UMR 5086, 69367 Lyon, France
| | - Eric Cascales
- To whom correspondence should be addressed. Tel: +33 491164462; Fax: +33 491712124;
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5
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Li J, Zhang M, Ma W, Yang B, Lu H, Zhou F, Zhang L. Post-translational modifications in liquid-liquid phase separation: a comprehensive review. MOLECULAR BIOMEDICINE 2022; 3:13. [PMID: 35543798 PMCID: PMC9092326 DOI: 10.1186/s43556-022-00075-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/25/2022] [Indexed: 11/23/2022] Open
Abstract
Liquid-liquid phase separation (LLPS) has received significant attention in recent biological studies. It refers to a phenomenon that biomolecule exceeds the solubility, condensates and separates itself from solution in liquid like droplets formation. Our understanding of it has also changed from memebraneless organelles to compartmentalization, muti-functional crucibles, and reaction regulators. Although this phenomenon has been employed for a variety of biological processes, recent studies mainly focus on its physiological significance, and the comprehensive research of the underlying physical mechanism is limited. The characteristics of side chains of amino acids and the interaction tendency of proteins function importantly in regulating LLPS thus should be pay more attention on. In addition, the importance of post-translational modifications (PTMs) has been underestimated, despite their abundance and crucial functions in maintaining the electrostatic balance. In this review, we first introduce the driving forces and protein secondary structures involved in LLPS and their different physical functions in cell life processes. Subsequently, we summarize the existing reports on PTM regulation related to LLPS and analyze the underlying basic principles, hoping to find some common relations between LLPS and PTM. Finally, we speculate several unreported PTMs that may have a significant impact on phase separation basing on the findings.
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Affiliation(s)
- Jingxian Li
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
| | - Mengdi Zhang
- School of Medicine, Zhejiang University City College, Hangzhou, 310015, Zhejiang, China
| | - Weirui Ma
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
| | - Bing Yang
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
| | - Huasong Lu
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China
| | - Fangfang Zhou
- Institutes of Biology and Medical Science, Soochow University, Suzhou, 215123, P. R. China.
| | - Long Zhang
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling Network, Life Sciences Institute, Zhejiang University, Hangzhou, 310058, China.
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6
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Leutert M, Duan Y, Winzer R, Menzel S, Tolosa E, Magnus T, Hottiger MO, Koch-Nolte F, Rissiek B. Identification of the Mouse T Cell ADP-Ribosylome Uncovers ARTC2.2 Mediated Regulation of CD73 by ADP-Ribosylation. Front Immunol 2021; 12:703719. [PMID: 34504490 PMCID: PMC8421852 DOI: 10.3389/fimmu.2021.703719] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 08/02/2021] [Indexed: 12/12/2022] Open
Abstract
Mouse T cells express the ecto-ADP-ribosyltransferase ARTC2.2, which can transfer the ADP-ribose group of extracellular nicotinamide adenine dinucleotide (NAD+) to arginine residues of various cell surface proteins thereby influencing their function. Several targets of ARTC2.2, such as P2X7, CD8a and CD25 have been identified, however a comprehensive mouse T cell surface ADP-ribosylome analysis is currently missing. Using the Af1521 macrodomain-based enrichment of ADP-ribosylated peptides and mass spectrometry, we identified 93 ADP-ribsoylated peptides corresponding to 67 distinct T cell proteins, including known targets such as CD8a and CD25 but also previously unknown targets such as CD73. We evaluated the impact of ADP-ribosylation on the capability of CD73 to generate adenosine from adenosine monophosphate. Our results show that extracellular NAD+ reduces the enzymatic activity of CD73 HEK cells co-transfected with CD73/ARTC2.2. Importantly, NAD+ significantly reduced CD73 activity on WT CD8 T cells compared to ARTC2ko CD8 T cells or WT CD8 T cells treated with an ARTC2.2-blocking nanobody. Our study provides a comprehensive list of T cell membrane proteins that serve as targets for ADP-ribosylation by ARTC2.2 and whose function may be therefore affected by ADP-ribosylation.
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Affiliation(s)
- Mario Leutert
- Department of Molecular Mechanisms of Disease, University of Zurich, Zurich, Switzerland.,Department of Genome Sciences, University of Washington, Seattle, WA, United States
| | - Yinghui Duan
- Department of Neurology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Riekje Winzer
- Institute of Immunology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Stephan Menzel
- Institute of Immunology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany.,Mildred Scheel Cancer Career Center HaTriCS4, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Eva Tolosa
- Institute of Immunology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Tim Magnus
- Department of Neurology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Michael O Hottiger
- Department of Molecular Mechanisms of Disease, University of Zurich, Zurich, Switzerland
| | - Friedrich Koch-Nolte
- Institute of Immunology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Björn Rissiek
- Department of Neurology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
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7
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Gondé H, Demeules M, Hardet R, Scarpitta A, Junge M, Pinto-Espinoza C, Varin R, Koch-Nolte F, Boyer O, Adriouch S. A Methodological Approach Using rAAV Vectors Encoding Nanobody-Based Biologics to Evaluate ARTC2.2 and P2X7 In Vivo. Front Immunol 2021; 12:704408. [PMID: 34489954 PMCID: PMC8417108 DOI: 10.3389/fimmu.2021.704408] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 08/03/2021] [Indexed: 01/03/2023] Open
Abstract
On murine T cells, mono-ADP ribosyltransferase ARTC2.2 catalyzes ADP-ribosylation of various surface proteins when nicotinamide adenine dinucleotide (NAD+) is released into the extracellular compartment. Covalent ADP-ribosylation of the P2X7 receptor by ARTC2.2 thereby represents an additional mechanism of activation, complementary to its triggering by extracellular ATP. P2X7 is a multifaceted receptor that may represents a potential target in inflammatory, and neurodegenerative diseases, as well as in cancer. We present herein an experimental approach using intramuscular injection of recombinant AAV vectors (rAAV) encoding nanobody-based biologics targeting ARTC2.2 or P2X7. We demonstrate the ability of these in vivo generated biologics to potently and durably block P2X7 or ARTC2.2 activities in vivo, or in contrast, to potentiate NAD+- or ATP-induced activation of P2X7. We additionally demonstrate the ability of rAAV-encoded functional heavy chain antibodies to elicit long-term depletion of T cells expressing high levels of ARTC2.2 or P2X7. Our approach of using rAAV to generate functional nanobody-based biologics in vivo appears promising to evaluate the role of ARTC2.2 and P2X7 in murine acute as well as chronic disease models.
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Affiliation(s)
- Henri Gondé
- Normandie University, UNIROUEN, INSERM U1234, Pathophysiology, Autoimmunity, Neuromuscular Diseases and Regenerative THERapies, Rouen, France.,Rouen University Hospital, Department of Pharmacy, Rouen, France
| | - Mélanie Demeules
- Normandie University, UNIROUEN, INSERM U1234, Pathophysiology, Autoimmunity, Neuromuscular Diseases and Regenerative THERapies, Rouen, France
| | - Romain Hardet
- Normandie University, UNIROUEN, INSERM U1234, Pathophysiology, Autoimmunity, Neuromuscular Diseases and Regenerative THERapies, Rouen, France
| | - Allan Scarpitta
- Normandie University, UNIROUEN, INSERM U1234, Pathophysiology, Autoimmunity, Neuromuscular Diseases and Regenerative THERapies, Rouen, France
| | - Marten Junge
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Rémi Varin
- Normandie University, UNIROUEN, INSERM U1234, Pathophysiology, Autoimmunity, Neuromuscular Diseases and Regenerative THERapies, Rouen, France.,Rouen University Hospital, Department of Pharmacy, Rouen, France
| | - Friedrich Koch-Nolte
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Olivier Boyer
- Normandie University, UNIROUEN, INSERM U1234, Pathophysiology, Autoimmunity, Neuromuscular Diseases and Regenerative THERapies, Rouen, France.,Rouen University Hospital, Department of Immunology and Biotherapy, Rouen, France
| | - Sahil Adriouch
- Normandie University, UNIROUEN, INSERM U1234, Pathophysiology, Autoimmunity, Neuromuscular Diseases and Regenerative THERapies, Rouen, France
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8
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Weixler L, Schäringer K, Momoh J, Lüscher B, Feijs KLH, Žaja R. ADP-ribosylation of RNA and DNA: from in vitro characterization to in vivo function. Nucleic Acids Res 2021; 49:3634-3650. [PMID: 33693930 PMCID: PMC8053099 DOI: 10.1093/nar/gkab136] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 02/11/2021] [Accepted: 02/17/2021] [Indexed: 12/12/2022] Open
Abstract
The functionality of DNA, RNA and proteins is altered dynamically in response to physiological and pathological cues, partly achieved by their modification. While the modification of proteins with ADP-ribose has been well studied, nucleic acids were only recently identified as substrates for ADP-ribosylation by mammalian enzymes. RNA and DNA can be ADP-ribosylated by specific ADP-ribosyltransferases such as PARP1-3, PARP10 and tRNA 2'-phosphotransferase (TRPT1). Evidence suggests that these enzymes display different preferences towards different oligonucleotides. These reactions are reversed by ADP-ribosylhydrolases of the macrodomain and ARH families, such as MACROD1, TARG1, PARG, ARH1 and ARH3. Most findings derive from in vitro experiments using recombinant components, leaving the relevance of this modification in cells unclear. In this Survey and Summary, we provide an overview of the enzymes that ADP-ribosylate nucleic acids, the reversing hydrolases, and the substrates' requirements. Drawing on data available for other organisms, such as pierisin1 from cabbage butterflies and the bacterial toxin-antitoxin system DarT-DarG, we discuss possible functions for nucleic acid ADP-ribosylation in mammals. Hypothesized roles for nucleic acid ADP-ribosylation include functions in DNA damage repair, in antiviral immunity or as non-conventional RNA cap. Lastly, we assess various methods potentially suitable for future studies of nucleic acid ADP-ribosylation.
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Affiliation(s)
- Lisa Weixler
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Katja Schäringer
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Jeffrey Momoh
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Bernhard Lüscher
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Karla L H Feijs
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Roko Žaja
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
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9
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Lassak J, Koller F, Krafczyk R, Volkwein W. Exceptionally versatile – arginine in bacterial post-translational protein modifications. Biol Chem 2019; 400:1397-1427. [DOI: 10.1515/hsz-2019-0182] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 06/01/2019] [Indexed: 12/24/2022]
Abstract
Abstract
Post-translational modifications (PTM) are the evolutionary solution to challenge and extend the boundaries of genetically predetermined proteomic diversity. As PTMs are highly dynamic, they also hold an enormous regulatory potential. It is therefore not surprising that out of the 20 proteinogenic amino acids, 15 can be post-translationally modified. Even the relatively inert guanidino group of arginine is subject to a multitude of mostly enzyme mediated chemical changes. The resulting alterations can have a major influence on protein function. In this review, we will discuss how bacteria control their cellular processes and develop pathogenicity based on post-translational protein-arginine modifications.
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Affiliation(s)
- Jürgen Lassak
- Center for Integrated Protein Science Munich (CiPSM), Department of Biology I, Microbiology , Ludwig-Maximilians-Universität München , Grosshaderner Strasse 2-4 , D-82152 Planegg , Germany
| | - Franziska Koller
- Center for Integrated Protein Science Munich (CiPSM), Department of Biology I, Microbiology , Ludwig-Maximilians-Universität München , Grosshaderner Strasse 2-4 , D-82152 Planegg , Germany
| | - Ralph Krafczyk
- Center for Integrated Protein Science Munich (CiPSM), Department of Biology I, Microbiology , Ludwig-Maximilians-Universität München , Grosshaderner Strasse 2-4 , D-82152 Planegg , Germany
| | - Wolfram Volkwein
- Center for Integrated Protein Science Munich (CiPSM), Department of Biology I, Microbiology , Ludwig-Maximilians-Universität München , Grosshaderner Strasse 2-4 , D-82152 Planegg , Germany
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10
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Di Girolamo M, Fabrizio G. Overview of the mammalian ADP-ribosyl-transferases clostridia toxin-like (ARTCs) family. Biochem Pharmacol 2019; 167:86-96. [PMID: 31283932 DOI: 10.1016/j.bcp.2019.07.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 07/03/2019] [Indexed: 01/22/2023]
Abstract
Mono-ADP-ribosylation is a reversible post-translational protein modification that modulates the function of proteins involved in different cellular processes, including signal transduction, protein transport, transcription, cell cycle regulation, DNA repair and apoptosis. In mammals, mono-ADP-ribosylation is mainly catalyzed by members of two different classes of enzymes: ARTCs and ARTDs. The human ARTC family is composed of four structurally related ecto-mono-ARTs, expressed at the cell surface or secreted into the extracellular compartment that are either active mono-ARTs (hARTC1, hARTC5) or inactive proteins (hARTC3, hARTC4). The human ARTD enzyme family consists of 17 multidomain proteins that can be divided on the basis of their catalytic activity into polymerases (ARTD1-6), mono-ART (ARTD7-17), and the inactive ARTD13. In recent years, ADP-ribosylation was intensively studied, and research was dominated by studies focusing on the role of this modification and its implication on various cellular processes. The aim of this review is to provide a general overview of the ARTC enzymes. In the following sections, we will report the mono-ADP-ribosylation reactions that are catalysed by the active ARTC enzymes, with a particular focus on hARTC1 that recently has been intensively studied with the discovery of new targets and functions.
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Affiliation(s)
- Maria Di Girolamo
- SoL&Pharma s.r.l. Biotechnology Research, Registered Office, Via Brasile 13, 66030 Mozzagrogna, CH, Italy.
| | - Gaia Fabrizio
- SoL&Pharma s.r.l. Biotechnology Research, Registered Office, Via Brasile 13, 66030 Mozzagrogna, CH, Italy
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11
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Insights into the biogenesis, function, and regulation of ADP-ribosylation. Nat Chem Biol 2019; 14:236-243. [PMID: 29443986 DOI: 10.1038/nchembio.2568] [Citation(s) in RCA: 183] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 12/28/2017] [Indexed: 12/26/2022]
Abstract
ADP-ribosylation-the transfer of ADP-ribose (ADPr) from NAD+ onto target molecules-is catalyzed by members of the ADP-ribosyltransferase (ART) superfamily of proteins, found in all kingdoms of life. Modification of amino acids in protein targets by ADPr regulates critical cellular pathways in eukaryotes and underlies the pathogenicity of certain bacteria. Several members of the ART superfamily are highly relevant for disease; these include the poly(ADP-ribose) polymerases (PARPs), recently shown to be important cancer targets, and the bacterial toxins diphtheria toxin and cholera toxin, long known to be responsible for the symptoms of diphtheria and cholera that result in morbidity. In this Review, we discuss the functions of amino acid ADPr modifications and the ART proteins that make them, the nature of the chemical linkage between ADPr and its targets and how this impacts function and stability, and the way that ARTs select specific amino acids in targets to modify.
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12
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Skjerning RB, Senissar M, Winther KS, Gerdes K, Brodersen DE. The RES domain toxins of RES-Xre toxin-antitoxin modules induce cell stasis by degrading NAD+. Mol Microbiol 2018; 111:221-236. [PMID: 30315706 DOI: 10.1111/mmi.14150] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2018] [Indexed: 12/18/2022]
Abstract
Type II toxin-antitoxin (TA) modules, which are important cellular regulators in prokaryotes, usually encode two proteins, a toxin that inhibits cell growth and a nontoxic and labile inhibitor (antitoxin) that binds to and neutralizes the toxin. Here, we demonstrate that the res-xre locus from Photorhabdus luminescens and other bacterial species function as bona fide TA modules in Escherichia coli. The 2.2 Å crystal structure of the intact Pseudomonas putida RES-Xre TA complex reveals an unusual 2:4 stoichiometry in which a central RES toxin dimer binds two Xre antitoxin dimers. The antitoxin dimers each expose two helix-turn-helix DNA-binding domains of the Cro repressor type, suggesting the TA complex is capable of binding the upstream promoter sequence on DNA. The toxin core domain shows structural similarity to ADP-ribosylating enzymes such as diphtheria toxin but has an atypical NAD+ -binding pocket suggesting an alternative function. We show that activation of the toxin in vivo causes a depletion of intracellular NAD+ levels eventually leading to inhibition of cell growth in E. coli and inhibition of global macromolecular biosynthesis. Both structure and activity are unprecedented among bacterial TA systems, suggesting the functional scope of bacterial TA toxins is much wider than previously appreciated.
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Affiliation(s)
- Ragnhild Bager Skjerning
- Department of Biology, Centre for Bacterial Stress Response and Persistence (BASP), University of Copenhagen, Copenhagen, Denmark
| | - Meriem Senissar
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus C, Denmark
| | - Kristoffer S Winther
- Department of Biology, Centre for Bacterial Stress Response and Persistence (BASP), University of Copenhagen, Copenhagen, Denmark
| | - Kenn Gerdes
- Department of Biology, Centre for Bacterial Stress Response and Persistence (BASP), University of Copenhagen, Copenhagen, Denmark
| | - Ditlev E Brodersen
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus C, Denmark
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Palazzo L, Mikoč A, Ahel I. ADP-ribosylation: new facets of an ancient modification. FEBS J 2017; 284:2932-2946. [PMID: 28383827 PMCID: PMC7163968 DOI: 10.1111/febs.14078] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 03/20/2017] [Accepted: 04/04/2017] [Indexed: 12/11/2022]
Abstract
Rapid response to environmental changes is achieved by uni- and multicellular organisms through a series of molecular events, often involving modification of macromolecules, including proteins, nucleic acids and lipids. Amongst these, ADP-ribosylation is of emerging interest because of its ability to modify different macromolecules in the cells, and its association with many key biological processes, such as DNA-damage repair, DNA replication, transcription, cell division, signal transduction, stress and infection responses, microbial pathogenicity and aging. In this review, we provide an update on novel pathways and mechanisms regulated by ADP-ribosylation in organisms coming from all kingdoms of life.
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Affiliation(s)
- Luca Palazzo
- Sir William Dunn School of PathologyUniversity of OxfordUK
| | - Andreja Mikoč
- Division of Molecular BiologyRuđer Bošković InstituteZagrebCroatia
| | - Ivan Ahel
- Sir William Dunn School of PathologyUniversity of OxfordUK
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Mechanisms of Evolutionary Innovation Point to Genetic Control Logic as the Key Difference Between Prokaryotes and Eukaryotes. J Mol Evol 2015. [PMID: 26208881 DOI: 10.1007/s00239-015-9688-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The evolution of life from the simplest, original form to complex, intelligent animal life occurred through a number of key innovations. Here we present a new tool to analyze these key innovations by proposing that the process of evolutionary innovation may follow one of three underlying processes, namely a Random Walk, a Critical Path, or a Many Paths process, and in some instances may also constitute a "Pull-up the Ladder" event. Our analysis is based on the occurrence of function in modern biology, rather than specific structure or mechanism. A function in modern biology may be classified in this way either on the basis of its evolution or the basis of its modern mechanism. Characterizing key innovations in this way helps identify the likelihood that an innovation could arise. In this paper, we describe the classification, and methods to classify functional features of modern organisms into these three classes based on the analysis of how a function is implemented in modern biology. We present the application of our categorization to the evolution of eukaryotic gene control. We use this approach to support the argument that there are few, and possibly no basic chemical differences between the functional constituents of the machinery of gene control between eukaryotes, bacteria and archaea. This suggests that the difference between eukaryotes and prokaryotes that allows the former to develop the complex genetic architecture seen in animals and plants is something other than their chemistry. We tentatively identify the difference as a difference in control logic, that prokaryotic genes are by default 'on' and eukaryotic genes are by default 'off.' The Many Paths evolutionary process suggests that, from a 'default off' starting point, the evolution of the genetic complexity of higher eukaryotes is a high probability event.
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The natural history of ADP-ribosyltransferases and the ADP-ribosylation system. Curr Top Microbiol Immunol 2015; 384:3-32. [PMID: 25027823 DOI: 10.1007/82_2014_414] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Catalysis of NAD(+)-dependent ADP-ribosylation of proteins, nucleic acids, or small molecules has evolved in at least three structurally unrelated superfamilies of enzymes, namely ADP-ribosyltransferase (ART), the Sirtuins, and probably TM1506. Of these, the ART superfamily is the most diverse in terms of structure, active site residues, and targets that they modify. The primary diversification of the ART superfamily occurred in the context of diverse bacterial conflict systems, wherein ARTs play both offensive and defensive roles. These include toxin-antitoxin systems, virus-host interactions, intraspecific antagonism (polymorphic toxins), symbiont/parasite effectors/toxins, resistance to antibiotics, and repair of RNAs cleaved in conflicts. ARTs evolving in these systems have been repeatedly acquired by lateral transfer throughout eukaryotic evolution, starting from the PARP family, which was acquired prior to the last eukaryotic common ancestor. They were incorporated into eukaryotic regulatory/epigenetic control systems (e.g., PARP family and NEURL4), and also used as defensive (e.g., pierisin and CARP-1 families) or immunity-related proteins (e.g., Gig2-like ARTs). The ADP-ribosylation system also includes other domains, such as the Macro, ADP-ribosyl glycohydrolase, NADAR, and ADP-ribosyl cyclase, which appear to have initially diversified in bacterial conflict-related systems. Unlike ARTs, sirtuins appear to have a much smaller presence in conflict-related systems.
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16
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Szirák K, Keserű J, Biró S, Schmelczer I, Barabás G, Penyige A. Disruption of SCO5461 gene coding for a mono-ADP-ribosyltransferase enzyme produces a conditional pleiotropic phenotype affecting morphological differentiation and antibiotic production in Streptomyces coelicolor. J Microbiol 2012; 50:409-18. [PMID: 22752904 DOI: 10.1007/s12275-012-1440-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Accepted: 03/05/2012] [Indexed: 10/28/2022]
Abstract
The SCO5461 gene of Streptomyces coelicolor A3(2) codes for an ADP-ribosyltransferase enzyme that is predicted to be a transmembrane protein with an extracellular catalytic domain. PCR-targeted disruption of the gene resulted in a mutant that differentiated normally on complex SFM medium; however, morphological differentiation in minimal medium was significantly delayed and this phenotype was even more pronounced on osmotically enhanced minimal medium. The mutant did not sporulate when it was grown on R5 medium, however the normal morphological differentiation was restored when the strain was cultivated beside the wild-type S. coelicolor M145 strain. Comparison of the pattern of ADP-ribosylated proteins showed a difference between the mutant and the wild type, fewer modified proteins were present in the cellular crude extract of the mutant strain. These results support our previous suggestions that protein ADP-ribosylation is involved in the regulation of differentiation and antibiotic production and secretion in Streptomyces.
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Affiliation(s)
- Krisztina Szirák
- Department of Human Genetics, Medical and Health Science Center, University of Debrecen, Debrecen, Nagyerdei krt 98, H-4032, Hungary
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Zhang D, de Souza RF, Anantharaman V, Iyer LM, Aravind L. Polymorphic toxin systems: Comprehensive characterization of trafficking modes, processing, mechanisms of action, immunity and ecology using comparative genomics. Biol Direct 2012; 7:18. [PMID: 22731697 PMCID: PMC3482391 DOI: 10.1186/1745-6150-7-18] [Citation(s) in RCA: 364] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Accepted: 05/31/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Proteinaceous toxins are observed across all levels of inter-organismal and intra-genomic conflicts. These include recently discovered prokaryotic polymorphic toxin systems implicated in intra-specific conflicts. They are characterized by a remarkable diversity of C-terminal toxin domains generated by recombination with standalone toxin-coding cassettes. Prior analysis revealed a striking diversity of nuclease and deaminase domains among the toxin modules. We systematically investigated polymorphic toxin systems using comparative genomics, sequence and structure analysis. RESULTS Polymorphic toxin systems are distributed across all major bacterial lineages and are delivered by at least eight distinct secretory systems. In addition to type-II, these include type-V, VI, VII (ESX), and the poorly characterized "Photorhabdus virulence cassettes (PVC)", PrsW-dependent and MuF phage-capsid-like systems. We present evidence that trafficking of these toxins is often accompanied by autoproteolytic processing catalyzed by HINT, ZU5, PrsW, caspase-like, papain-like, and a novel metallopeptidase associated with the PVC system. We identified over 150 distinct toxin domains in these systems. These span an extraordinary catalytic spectrum to include 23 distinct clades of peptidases, numerous previously unrecognized versions of nucleases and deaminases, ADP-ribosyltransferases, ADP ribosyl cyclases, RelA/SpoT-like nucleotidyltransferases, glycosyltranferases and other enzymes predicted to modify lipids and carbohydrates, and a pore-forming toxin domain. Several of these toxin domains are shared with host-directed effectors of pathogenic bacteria. Over 90 families of immunity proteins might neutralize anywhere between a single to at least 27 distinct types of toxin domains. In some organisms multiple tandem immunity genes or immunity protein domains are organized into polyimmunity loci or polyimmunity proteins. Gene-neighborhood-analysis of polymorphic toxin systems predicts the presence of novel trafficking-related components, and also the organizational logic that allows toxin diversification through recombination. Domain architecture and protein-length analysis revealed that these toxins might be deployed as secreted factors, through directed injection, or via inter-cellular contact facilitated by filamentous structures formed by RHS/YD, filamentous hemagglutinin and other repeats. Phyletic pattern and life-style analysis indicate that polymorphic toxins and polyimmunity loci participate in cooperative behavior and facultative 'cheating' in several ecosystems such as the human oral cavity and soil. Multiple domains from these systems have also been repeatedly transferred to eukaryotes and their viruses, such as the nucleo-cytoplasmic large DNA viruses. CONCLUSIONS Along with a comprehensive inventory of toxins and immunity proteins, we present several testable predictions regarding active sites and catalytic mechanisms of toxins, their processing and trafficking and their role in intra-specific and inter-specific interactions between bacteria. These systems provide insights regarding the emergence of key systems at different points in eukaryotic evolution, such as ADP ribosylation, interaction of myosin VI with cargo proteins, mediation of apoptosis, hyphal heteroincompatibility, hedgehog signaling, arthropod toxins, cell-cell interaction molecules like teneurins and different signaling messengers.
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Affiliation(s)
- Dapeng Zhang
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
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18
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AMPD3 is involved in anthrax LeTx-induced macrophage cell death. Protein Cell 2011; 2:564-72. [PMID: 21822801 DOI: 10.1007/s13238-011-1078-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 07/10/2011] [Indexed: 10/17/2022] Open
Abstract
The responses of macrophages to Bacillus anthracis infection are important for the survival of the host, since macrophages are required for the germination of B. anthracis spores in lymph nodes, and macrophage death exacerbates anthrax lethal toxin (LeTx)-induced organ collapse. To elucidate the mechanism of macrophage cell death induced by LeTx, we performed a genetic screen to search for genes associated with LeTx-induced macrophage cell death. RAW264.7 cells, a macrophage-like cell line sensitive to LeTx-induced death, were randomly mutated and LeTx-resistant mutant clones were selected. AMP deaminase 3 (AMPD3), an enzyme that converts AMP to IMP, was identified to be mutated in one of the resistant clones. The requirement of AMPD3 in LeTx-induced cell death of RAW 264.7 cells was confirmed by the restoration of LeTx sensitivity with ectopic reconstitution of AMPD3 expression. AMPD3 deficiency does not affect LeTx entering cells and the cleavage of mitogen-activated protein kinase kinase (MKK) by lethal factor inside cells, but does impair an unknown downstream event that is linked to cell death. Our data provides new information regarding LeTx-induced macrophage death and suggests that there is a key regulatory site downstream of or parallel to MKK cleavage that controls the cell death in LeTx-treated macrophages.
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Fieldhouse RJ, Turgeon Z, White D, Merrill AR. Cholera- and anthrax-like toxins are among several new ADP-ribosyltransferases. PLoS Comput Biol 2010; 6:e1001029. [PMID: 21170356 PMCID: PMC3000352 DOI: 10.1371/journal.pcbi.1001029] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2010] [Accepted: 11/10/2010] [Indexed: 11/19/2022] Open
Abstract
Chelt, a cholera-like toxin from Vibrio cholerae, and Certhrax, an anthrax-like toxin from Bacillus cereus, are among six new bacterial protein toxins we identified and characterized using in silico and cell-based techniques. We also uncovered medically relevant toxins from Mycobacterium avium and Enterococcus faecalis. We found agriculturally relevant toxins in Photorhabdus luminescens and Vibrio splendidus. These toxins belong to the ADP-ribosyltransferase family that has conserved structure despite low sequence identity. Therefore, our search for new toxins combined fold recognition with rules for filtering sequences--including a primary sequence pattern--to reduce reliance on sequence identity and identify toxins using structure. We used computers to build models and analyzed each new toxin to understand features including: structure, secretion, cell entry, activation, NAD+ substrate binding, intracellular target binding and the reaction mechanism. We confirmed activity using a yeast growth test. In this era where an expanding protein structure library complements abundant protein sequence data--and we need high-throughput validation--our approach provides insight into the newest toxin ADP-ribosyltransferases.
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Affiliation(s)
- Robert J. Fieldhouse
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Zachari Turgeon
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Dawn White
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - A. Rod Merrill
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
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Hottiger MO, Hassa PO, Lüscher B, Schüler H, Koch-Nolte F. Toward a unified nomenclature for mammalian ADP-ribosyltransferases. Trends Biochem Sci 2010; 35:208-19. [PMID: 20106667 DOI: 10.1016/j.tibs.2009.12.003] [Citation(s) in RCA: 643] [Impact Index Per Article: 45.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2009] [Revised: 12/07/2009] [Accepted: 12/10/2009] [Indexed: 10/19/2022]
Abstract
ADP-ribosylation is a post-translational modification of proteins catalyzed by ADP-ribosyltransferases. It comprises the transfer of the ADP-ribose moiety from NAD+ to specific amino acid residues on substrate proteins or to ADP-ribose itself. Currently, 22 human genes encoding proteins that possess an ADP-ribosyltransferase catalytic domain are known. Recent structural and enzymological evidence of poly(ADP-ribose)polymerase (PARP) family members demonstrate that earlier proposed names and classifications of these proteins are no longer accurate. Here we summarize these new findings and propose a new consensus nomenclature for all ADP-ribosyltransferases (ARTs) based on the catalyzed reaction and on structural features. A unified nomenclature would facilitate communication between researchers both inside and outside the ADP-ribosylation field.
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Affiliation(s)
- Michael O Hottiger
- Institute of Veterinary Biochemistry and Molecular Biology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland.
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21
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Fieldhouse RJ, Merrill AR. Needle in the haystack: structure-based toxin discovery. Trends Biochem Sci 2008; 33:546-56. [PMID: 18815047 DOI: 10.1016/j.tibs.2008.08.003] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2008] [Revised: 07/25/2008] [Accepted: 08/13/2008] [Indexed: 12/26/2022]
Abstract
In the current data-rich era, making the leap from sequence data to knowledge is a task that requires an elegant bioinformatics toolset to pinpoint pressing research questions. Therefore, a strategy to expand important protein-family knowledge is required, particularly in cases in which primary sequence identity is low but structural conservation is high. For example, the mono-ADP-ribosylating toxins fit these criteria and several approaches have been used to accelerate the discovery of new family members. The strategy evolved from conduction of PSI-BLAST searches through to the combination of secondary-structure prediction with pattern-based searches. However, a newly developed tactic, in which fold recognition dominates, reduces reliance on sequence similarity and advances scientists toward a true structure-based protein-family expansion methodology.
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Affiliation(s)
- Robert J Fieldhouse
- Department of Molecular and Cellular Biology, University of Guelph, ON, Canada
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Faraone-Mennella MR, De Maio A, Petrella A, Romano M, Favaloro P, Gambacorta A, Lama L, Nicolaus B, Farina B. The (ADP-ribosyl)ation reaction in thermophilic bacteria. Res Microbiol 2006; 157:531-7. [PMID: 16797930 DOI: 10.1016/j.resmic.2006.01.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2005] [Accepted: 01/05/2006] [Indexed: 11/16/2022]
Abstract
Species of Alicyclobacillus, Bacillus and Thermus genera were selected in order to study the possible presence of the (ADP-ribosyl)ation system. These bacteria are thermophilic, aerobic, and were isolated from different geothermal sources. Both activity and expression of (ADP-ribosyl)ating proteins were tested in cells at different growth phases, and evidence of an active system was obtained in all analyzed microorganisms, with comparable enzymatic levels. Immunochemical analyses with polyclonal antibodies against both eukaryotic anti-(ADP-ribose) transferase and anti-poly(ADP-ribose) polymerase revealed, for all tested organisms, an immunosignal localized in the range of molecular masses between 43-53 kD. Several proteins of various molecular masses were found as ADP-ribose acceptors. Reaction product analyses showed mono(ADP-ribose) to be the only synthesized compound.
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Affiliation(s)
- Maria Rosaria Faraone-Mennella
- Dipartimento di Biologia Strutturale e Funzionale, Facolta' di Scienze M.F.N., Universita Federico II, Via Cynthia, 80126 Napoli, Italy.
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Koch-Nolte F, Adriouch S, Bannas P, Krebs C, Scheuplein F, Seman M, Haag F. ADP-ribosylation of membrane proteins: unveiling the secrets of a crucial regulatory mechanism in mammalian cells. Ann Med 2006; 38:188-99. [PMID: 16720433 DOI: 10.1080/07853890600655499] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
Many bacterial toxins kill animal cells by adenosine diphosphate (ADP)-ribosylating intracellular target proteins. Mammalian cells express toxin-related cell surface ADP-ribosyltransferases (ARTs) that transfer ADP-ribose from nicotinamide adenine dinucleotide (NAD) onto arginine residues of other membrane proteins. The association of these glycosylphosphatidylinositol (GPI)-anchored ectoenzymes with glycolipid rafts focuses them onto components of the signal transduction machinery. Exposing murine T cells to NAD, the ART substrate, induces a cascade of reactions that culminates in cell death by apoptosis. This mechanism, dubbed 'NAD-induced cell death' or NICD, is initiated when ART2 ADP-ribosylates the cytolytic P2X7 purinergic receptor, inducing formation of a cation channel, opening of a nonselective pore, shedding of CD62L from the cell surface, exposure of phosphatidylserine on the outer leaflet of the plasma membrane, breakdown of the mitochondrial membrane potential, and DNA-fragmentation. The ART substrate NAD is produced in large amounts inside the cell and can be released from damaged cells during inflammation and tissue injury. In the extracellular environment, the signaling function of NAD is terminated by NAD-degrading ectoenzymes such as CD38. We propose that ART2-catalyzed ADP-ribosylation of P2X7 represents the paradigm of a regulatory mechanism by which ART-expressing cells can sense and respond to the release of NAD from damaged cells.
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Affiliation(s)
- Friedrich Koch-Nolte
- Institute of Immunology, Department of Clinical Pathology, University Hospital, Hamburg, Germany.
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Ponnuraj RK, Rubio LM, Grunwald SK, Ludden PW. NAD-, NMN-, and NADP-dependent modification of dinitrogenase reductases from Rhodospirillum rubrum and Azotobacter vinelandii. FEBS Lett 2005; 579:5751-8. [PMID: 16225869 DOI: 10.1016/j.febslet.2005.09.057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2005] [Revised: 09/22/2005] [Accepted: 09/23/2005] [Indexed: 11/27/2022]
Abstract
Nitrogenase activity in the photosynthetic bacterium Rhodospirillum rubrum is reversibly regulated by ADP-ribosylation of a specific arginine residue of dinitrogenase reductase based on the cellular nitrogen or energy status. In this paper, we have investigated the ability of nicotinamide adenine dinucleotide, NAD (the physiological ADP-ribose donor), and its analogs to support covalent modification of dinitrogenase reductase in vitro. R. rubrum dinitrogenase reductase can be modified by DRAT in the presence of 2 mM NAD, but not with 2 mM nicotinamide mononucleotide (NMN) or nicotinamide adenine dinucleotide phosphate (NADP). We also found that the apo- and the all-ferrous forms of R. rubrum dinitrogenase reductase are not substrates for covalent modification. In contrast, Azotobacter vinelandii dinitrogenase reductase can be modified by the dinitrogenase reductase ADP-ribosyl transferase (DRAT) in vitro in the presence of either 2 mM NAD, NMN or NADP as nucleotide donors. We found that: (1) a simple ribose sugar in the modification site of the A. vinelandii dinitrogenase reductase is sufficient to inactivate the enzyme, (2) phosphoADP-ribose is the modifying unit in the NADP-modified enzyme, and (3) the NMN-modified enzyme carries two ribose-phosphate units in one modification site. This is the first report of NADP- or NMN-dependent modification of a target protein by an ADP-ribosyl transferase.
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Otto H, Reche PA, Bazan F, Dittmar K, Haag F, Koch-Nolte F. In silico characterization of the family of PARP-like poly(ADP-ribosyl)transferases (pARTs). BMC Genomics 2005; 6:139. [PMID: 16202152 PMCID: PMC1266365 DOI: 10.1186/1471-2164-6-139] [Citation(s) in RCA: 195] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2005] [Accepted: 10/04/2005] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND ADP-ribosylation is an enzyme-catalyzed posttranslational protein modification in which mono(ADP-ribosyl)transferases (mARTs) and poly(ADP-ribosyl)transferases (pARTs) transfer the ADP-ribose moiety from NAD onto specific amino acid side chains and/or ADP-ribose units on target proteins. RESULTS Using a combination of database search tools we identified the genes encoding recognizable pART domains in the public genome databases. In humans, the pART family encompasses 17 members. For 16 of these genes, an orthologue exists also in the mouse, rat, and pufferfish. Based on the degree of amino acid sequence similarity in the catalytic domain, conserved intron positions, and fused protein domains, pARTs can be divided into five major subgroups. All six members of groups 1 and 2 contain the H-Y-E trias of amino acid residues found also in the active sites of Diphtheria toxin and Pseudomonas exotoxin A, while the eleven members of groups 3 - 5 carry variations of this motif. The pART catalytic domain is found associated in Lego-like fashion with a variety of domains, including nucleic acid-binding, protein-protein interaction, and ubiquitylation domains. Some of these domain associations appear to be very ancient since they are observed also in insects, fungi, amoebae, and plants. The recently completed genome of the pufferfish T. nigroviridis contains recognizable orthologues for all pARTs except for pART7. The nearly completed albeit still fragmentary chicken genome contains recognizable orthologues for twelve pARTs. Simpler eucaryotes generally contain fewer pARTs: two in the fly D. melanogaster, three each in the mosquito A. gambiae, the nematode C. elegans, and the ascomycete microfungus G. zeae, six in the amoeba E. histolytica, nine in the slime mold D. discoideum, and ten in the cress plant A. thaliana. GenBank contains two pART homologues from the large double stranded DNA viruses Chilo iridescent virus and Bacteriophage Aeh1 and only a single entry (from V. cholerae) showing recognizable homology to the pART-like catalytic domains of Diphtheria toxin and Pseudomonas exotoxin A. CONCLUSION The pART family, which encompasses 17 members in the human and 16 members in the mouse, can be divided into five subgroups on the basis of sequence similarity, phylogeny, conserved intron positions, and patterns of genetically fused protein domains.
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Affiliation(s)
- Helge Otto
- Institute of Immunology, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Pedro A Reche
- DNAX Research Institute, Palo Alto, CA 94304, USA
- Dana-Farber Cancer Institute, Harvard University, Boston, MA 02115, USA
| | - Fernando Bazan
- DNAX Research Institute, Palo Alto, CA 94304, USA
- Depts. of Molecular Biology and Protein Engineering, Genentech, SF, CA 94080, USA
| | - Katharina Dittmar
- Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
| | - Friedrich Haag
- Institute of Immunology, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Friedrich Koch-Nolte
- Institute of Immunology, University Hospital Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
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Di Girolamo M, Dani N, Stilla A, Corda D. Physiological relevance of the endogenous mono(ADP-ribosyl)ation of cellular proteins. FEBS J 2005; 272:4565-75. [PMID: 16156779 DOI: 10.1111/j.1742-4658.2005.04876.x] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The mono(ADP-ribosyl)ation reaction is a post-translational modification that is catalysed by both bacterial toxins and eukaryotic enzymes, and that results in the transfer of ADP-ribose from betaNAD+ to various acceptor proteins. In mammals, both intracellular and extracellular reactions have been described; the latter are due to glycosylphosphatidylinositol-anchored or secreted enzymes that are able to modify their targets, which include the purinergic receptor P2X7, the defensins and the integrins. Intracellular mono(ADP-ribosyl)ation modifies proteins that have roles in cell signalling and metabolism, such as the chaperone GRP78/BiP, the beta-subunit of heterotrimeric G-proteins and glutamate dehydrogenase. The molecular identification of the intracellular enzymes, however, is still missing. A better molecular understanding of this reaction will help in the full definition of its role in cell physiology and pathology.
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Affiliation(s)
- Maria Di Girolamo
- Department of Cell Biology and Oncology, Consorzio Mario Negri Sud, Santa Maria Imbaro, Chieti, Italy.
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Tiemann B, Depping R, Gineikiene E, Kaliniene L, Nivinskas R, Rüger W. ModA and ModB, two ADP-ribosyltransferases encoded by bacteriophage T4: catalytic properties and mutation analysis. J Bacteriol 2004; 186:7262-72. [PMID: 15489438 PMCID: PMC523198 DOI: 10.1128/jb.186.21.7262-7272.2004] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Bacteriophage T4 encodes three ADP-ribosyltransferases, Alt, ModA, and ModB. These enzymes participate in the regulation of the T4 replication cycle by ADP-ribosylating a defined set of host proteins. In order to obtain a better understanding of the phage-host interactions and their consequences for regulating the T4 replication cycle, we studied cloning, overexpression, and characterization of purified ModA and ModB enzymes. Site-directed mutagenesis confirmed that amino acids, as deduced from secondary structure alignments, are indeed decisive for the activity of the enzymes, implying that the transfer reaction follows the Sn1-type reaction scheme proposed for this class of enzymes. In vitro transcription assays performed with Alt- and ModA-modified RNA polymerases demonstrated that the Alt-ribosylated polymerase enhances transcription from T4 early promoters on a T4 DNA template, whereas the transcriptional activity of ModA-modified polymerase, without the participation of T4-encoded auxiliary proteins for middle mode or late transcription, is reduced. The results presented here support the conclusion that ADP-ribosylation of RNA polymerase and of other host proteins allows initial phage-directed mRNA synthesis reactions to escape from host control. In contrast, subsequent modification of the other cellular target proteins limits transcription from phage early genes and participates in redirecting transcription to phage middle and late genes.
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Affiliation(s)
- Bernd Tiemann
- Ruhr Universität Bochum, Fakultät für Biologie, Arbeitsgruppe Molekulare Genetik, 44780 Bochum, Germany.
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28
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Abstract
Mono-ADP-ribosylation is the enzymatic transfer of ADP-ribose from NAD(+) to acceptor proteins. It is catalysed by cellular ADP-ribosyltransferases and certain bacterial toxins. There are two subclasses of cellular enzymes: the ectoenzymes that modify targets such as integrins, defensin and other cell surface molecules; and the intracellular enzymes that act on proteins involved in cell signalling and metabolism, such as the beta-subunit of heterotrimeric G proteins, GRP78/BiP and elongation factor 2. The genes that encode the ectoenzymes have been cloned and their protein products are well characterized, yet little is known about the intracellular ADP-ribosyltransferases, which may be part of a novel protein family with an important role in regulating cell function. ADP-ribosylation usually leads to protein inactivation, providing a mechanism to inhibit protein functions in both physiological and pathological conditions.
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Affiliation(s)
- Daniela Corda
- Department of Cell Biology and Oncology, Istituto di Ricerche Farmacologiche 'Mario Negri', Consorzio Mario Negri Sud, Via Nazionale, 66030 Santa Maria Imbaro, Chieti, Italy.
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Mueller-Dieckmann C, Ritter H, Haag F, Koch-Nolte F, Schulz GE. Structure of the ecto-ADP-ribosyl transferase ART2.2 from rat. J Mol Biol 2002; 322:687-96. [PMID: 12270706 DOI: 10.1016/s0022-2836(02)00818-5] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The mammalian extracellular ADP-ribosyl transferases ART1 through ART5 are sequence-related to each other. Among them ART2 is involved in immuno regulation. The variant ART2.2 was expressed in the periplasm of Escherichia coli and crystallized. Its structure was determined by X-ray diffraction at 1.7A resolution in one crystal form and at slightly lower resolutions in two others. The active center was indicated by a ligated nicotinamide analogue, which also revealed a small induced-fit. The centerpiece of the chainfold of ART2.2 agrees with those of all bacterial ADP-ribosyl transferases. This correspondence and the nicotinamide position were used to model the binding structure of the whole substrate NAD(+) at ART2.2. Two of the bacterial enzymes are structurally more closely related to ART2.2 while the others are more closely related to the eukaryotic poly(ADP-ribosyl)polymerase. This splits the ADP-ribosyl transferases into two distinct subfamilies. A special feature of ART2.2 is its long N-terminal extension and two disulfide bridges that are far away from the active center. They stabilize the protein against denaturation and presumably also against shearing forces parallel with the membrane where ART2.2 is anchored.
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30
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Glowacki G, Braren R, Firner K, Nissen M, Kühl M, Reche P, Bazan F, Cetkovic-Cvrlje M, Leiter E, Haag F, Koch-Nolte F. The family of toxin-related ecto-ADP-ribosyltransferases in humans and the mouse. Protein Sci 2002; 11:1657-70. [PMID: 12070318 PMCID: PMC2373659 DOI: 10.1110/ps.0200602] [Citation(s) in RCA: 135] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
ADP-ribosyltransferases including toxins secreted by Vibrio cholera, Pseudomonas aerurginosa, and other pathogenic bacteria inactivate the function of human target proteins by attaching ADP-ribose onto a critical amino acid residue. Cross-species polymerase chain reaction (PCR) and database mining identified the orthologs of these ADP-ribosylating toxins in humans and the mouse. The human genome contains four functional toxin-related ADP-ribosyltransferase genes (ARTs) and two related intron-containing pseudogenes; the mouse has six functional orthologs. The human and mouse ART genes map to chromosomal regions with conserved linkage synteny. The individual ART genes reveal highly restricted expression patterns, which are largely conserved in humans and the mouse. We confirmed the predicted extracellular location of the ART proteins by expressing recombinant ARTs in insect cells. Two human and four mouse ARTs contain the active site motif (R-S-EXE) typical of arginine-specific ADP-ribosyltransferases and exhibit the predicted enzyme activities. Two other human ARTs and their murine orthologues deviate in the active site motif and lack detectable enzyme activity. Conceivably, these ARTs may have acquired a new specificity or function. The position-sensitive iterative database search program PSI-BLAST connected the mammalian ARTs with most known bacterial ADP-ribosylating toxins. In contrast, no related open reading frames occur in the four completed genomes of lower eucaryotes (yeast, worm, fly, and mustard weed). Interestingly, these organisms also lack genes for ADP-ribosylhydrolases, the enzymes that reverse protein ADP-ribosylation. This suggests that the two enzyme families that catalyze reversible mono-ADP-ribosylation either were lost from the genomes of these nonchordata eucaryotes or were subject to horizontal gene transfer between kingdoms.
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Affiliation(s)
- Gustavo Glowacki
- Institute of Immunology, University Hospital, Martinistrasse 52, D-20246 Hamburg, Germany
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31
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Koch-Nolte F, Reche P, Haag F, Bazan F. ADP-ribosyltransferases: plastic tools for inactivating protein and small molecular weight targets. J Biotechnol 2001; 92:81-7. [PMID: 11640979 DOI: 10.1016/s0168-1656(01)00356-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ADP-ribosyltransferases (ADPRTs) form an interesting class of enzymes with well-established roles as potent bacterial toxins and metabolic regulators. ADPRTs catalyze the transfer of the ADP-ribose moiety from NAD(+) onto specific substrates including proteins. ADP-ribosylation usually inactivates the function of the target. ADPRTs have become adapted to function in extra- and intracellular settings. Regulation of ADPRT activity can be mediated by ligand binding to associated regulatory domains, proteolytic cleavage, disulphide bond reduction, and association with other proteins. Crystallisation has revealed a conserved core set of elements that define an unusual minimal scaffold of the catalytic domain with remarkably plastic sequence requirements--only a single glutamic acid residue critical to catalytic activity is invariant. These inherent properties of ADPRTs suggest that the ADPRT catalytic fold is an attractive, malleable subject for protein design.
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Affiliation(s)
- F Koch-Nolte
- Institute for Immunology, University-Hospital, D20246 Hamburg, Germany.
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32
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Collier RJ. Understanding the mode of action of diphtheria toxin: a perspective on progress during the 20th century. Toxicon 2001; 39:1793-803. [PMID: 11595641 DOI: 10.1016/s0041-0101(01)00165-9] [Citation(s) in RCA: 228] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Diphtheria toxin is one of the most extensively studied and well understood bacterial toxins. Ever since its discovery in the late 1800's this toxin has occupied a central focus in the field of toxinology. In this review, I present a chronology of major discoveries that led to our current understanding of the structure and activity of diphtheria toxin.
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Affiliation(s)
- R J Collier
- Department of Microbiology and Molecular Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA.
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33
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Pallen MJ, Lam AC, Loman NJ, McBride A. An abundance of bacterial ADP-ribosyltransferases--implications for the origin of exotoxins and their human homologues. Trends Microbiol 2001; 9:302-7; discussion 308. [PMID: 11435081 DOI: 10.1016/s0966-842x(01)02074-1] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
ADP-ribosylation is a post-translational modification that can be seen in many contexts, including as the primary mechanism of action of many important bacterial exotoxins. By data-mining complete and incomplete bacterial genome sequences, we have discovered >20 novel putative ADP-ribosyltransferases, including several new potential toxins.
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Affiliation(s)
- M J Pallen
- Microbial Genomics and Pathogenesis Unit, Division of Immunity and Infection, The Medical School, University of Birmingham, B15 2TT, Birmingham, UK.
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34
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Aravind L. The WWE domain: a common interaction module in protein ubiquitination and ADP ribosylation. Trends Biochem Sci 2001; 26:273-5. [PMID: 11343911 DOI: 10.1016/s0968-0004(01)01787-x] [Citation(s) in RCA: 158] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Sequence profile analysis was used to detect a conserved globular domain in several proteins including deltex, Trip12 and poly-ADP-ribose polymerase homologs. It was named the WWE domain after its most conserved residues and is predicted to mediate specific protein-protein interactions in ubiquitin and ADP-ribose conjugation systems.
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Affiliation(s)
- L Aravind
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA.
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35
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The best defense is a good offense – Salmonella deploys an ADP-ribosylating toxin: Response. Trends Microbiol 2001. [DOI: 10.1016/s0966-842x(00)01904-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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36
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Otto H, Tezcan-Merdol D, Girisch R, Haag F, Rhen M, Koch-Nolte F. The spvB gene-product of the Salmonella enterica virulence plasmid is a mono(ADP-ribosyl)transferase. Mol Microbiol 2000; 37:1106-15. [PMID: 10972829 DOI: 10.1046/j.1365-2958.2000.02064.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A number of well-known bacterial toxins ADP-ribosylate and thereby inactivate target proteins in their animal hosts. Recently, several vertebrate ecto-enzymes (ART1-ART7) with activities similar to bacterial toxins have also been cloned. We show here that PSIBLAST, a position-specific-iterative database search program, faithfully connects all known vertebrate ecto-mono(ADP-ribosyl)transferases (mADPRTs) with most of the known bacterial mADPRTs. Intriguingly, no matches were found in the available public genome sequences of archaeabacteria, the yeast Saccharomyces cerevisiae or the nematode Caenorhabditis elegans. Significant new matches detected by PSIBLAST from the public sequence data bases included only one open reading frame (ORF) of previously unknown function: the spvB gene contained in the virulence plasmids of Salmonella enterica. Structure predictions of SpvB indicated that it is composed of a C-terminal ADP-ribosyltransferase domain fused via a poly proline stretch to a N-domain resembling the N-domain of the secretory toxin TcaC from nematode-infecting enterobacteria. We produced the predicted catalytic domain of SpvB as a recombinant fusion protein and demonstrate that it, indeed, acts as an ADP-ribosyltransferase. Our findings underscore the power of the PSIBLAST program for the discovery of new family members in genome databases. Moreover, they open a new avenue of investigation regarding salmonella pathogenesis.
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Affiliation(s)
- H Otto
- Institute for Immunology, University Hospital, Martinistr. 52, D-20246 Hamburg, Germany
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37
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Matsushima-Hibiya Y, Watanabe M, Kono T, Kanazawa T, Koyama K, Sugimura T, Wakabayashi K. Purification and cloning of pierisin-2, an apoptosis-inducing protein from the cabbage butterfly, Pieris brassicae. EUROPEAN JOURNAL OF BIOCHEMISTRY 2000; 267:5742-50. [PMID: 10971585 DOI: 10.1046/j.1432-1327.2000.01640.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The cabbage butterfly Pieris rapae contains a strong apoptosis-inducing substance, pierisin, against human cancer cell lines, which is thought to act via ADP-ribosylation. Here we report the purification and cloning of an apoptosis-inducing substance, designated as pierisin-2, from another cabbage butterfly, Pieris brassicae. Pierisin-2 was purified from pupae by sequential chromatography and its cytotoxic and apoptosis-inducing activities to various cancer cells were similar to those of pierisin, designated as pierisin-1, from P. rapae. cDNA cloning of pierisin-2 was performed on the basis of the partial amino-acid sequence. The nucleotide sequence indicated that the cDNA encodes an 850-amino-acid protein with a calculated molecular mass of 97 986. The deduced amino-acid sequence of pierisin-2 was 91% identical with that of pierisin-1. In vitro expressed protein in the reticulocyte lysate exhibited apoptosis-inducing activities against human gastric carcinoma TMK-1 and cervical carcinoma HeLa cells, similar to the purified native pierisin-2 from the pupae. Pierisin-2 shows regional sequence similarities with certain ADP-ribosylating toxins such as the A-subunit of cholera toxin. The results from site-directed mutagenesis at Glu165, a conserved residue among ADP-ribosylating enzymes necessary for NAD binding, and from experiments with ADP-ribosylating enzyme inhibitors suggested that pierisin-2 could be considered as an ADP-ribosylating toxin like pierisin-1.
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Affiliation(s)
- Y Matsushima-Hibiya
- Cancer Prevention Division, National Cancer Center Research Institute, Tokyo, Japan.
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38
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Christie PJ, Vogel JP. Bacterial type IV secretion: conjugation systems adapted to deliver effector molecules to host cells. Trends Microbiol 2000; 8:354-60. [PMID: 10920394 PMCID: PMC4847720 DOI: 10.1016/s0966-842x(00)01792-3] [Citation(s) in RCA: 349] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Several bacterial pathogens utilize conjugation machines to export effector molecules during infection. Such systems are members of the type IV or 'adapted conjugation' secretion family. The prototypical type IV system is the Agrobacterium tumefaciens T-DNA transfer machine, which delivers oncogenic nucleoprotein particles to plant cells. Other pathogens, including Bordetella pertussis, Legionella pneumophila, Brucellaspp. and Helicobacter pylori, use type IV machines to export effector proteins to the extracellular milieu or the mammalian cell cytosol.
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Affiliation(s)
- P J Christie
- Dept of Microbiology and Molecular Genetics, The University of Texas-Houston Medical School, 6431 Fannin, Houston, TX 77030, USA.
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39
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Cope RB, Colditz IG. Effect on systemic antibody concentrations of topical application of choleratoxin to skin of sheep. Aust Vet J 2000; 78:121-3. [PMID: 10736674 DOI: 10.1111/j.1751-0813.2000.tb10540.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To examine the ability of a vaccine formulation combining choleratoxin with an experimental antigen to induce a systemic antibody response when applied topically on unbroken skin of sheep. DESIGN Seven treatment groups of five adult sheep received systemic or topical priming followed 4 weeks later by systemic or topical boosting with choleratoxin and/or bovine serum albumin. Topical vaccines were administered to clipped skin on the ventral abdomen for 2 h. Booster immunisations were repeated 8 weeks after initial boosting. Serum antibody titres to choleratoxin and bovine serum albumin were determined by ELISA. RESULTS An antibody response to choleratoxin was observed in serum, but no antibody response to bovine serum albumin was detected. CONCLUSION Transdermal delivery may be feasible for livestock vaccines, however, further work is necessary to develop formulations that induce protective immunity by this route.
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Affiliation(s)
- R B Cope
- CSIRO Animal Production, Armidale, New South Wales
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40
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Watanabe M, Kono T, Matsushima-Hibiya Y, Kanazawa T, Nishisaka N, Kishimoto T, Koyama K, Sugimura T, Wakabayashi K. Molecular cloning of an apoptosis-inducing protein, pierisin, from cabbage butterfly: possible involvement of ADP-ribosylation in its activity. Proc Natl Acad Sci U S A 1999; 96:10608-13. [PMID: 10485873 PMCID: PMC17930 DOI: 10.1073/pnas.96.19.10608] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We have previously reported that the cabbage butterfly, Pieris rapae, contains a 98-kDa protein, named pierisin, that induces apoptosis in a variety of human cancer cell lines. In the present study, sequencing and cloning of a cDNA encoding pierisin was accomplished. PCR-direct sequencing showed that the gene encodes an 850-amino acid protein with a calculated molecular weight of 98,081. An intact clone at the amino acid level encompassing the entire coding region was obtained by recombination of two independent clones, and the molecular mass of its in vitro expressed protein was about 100 kDa on SDS/PAGE, the same as that of purified native pierisin. The expressed protein induced apoptosis in human gastric carcinoma TMK-1 and cervical carcinoma HeLa cells, like the native protein, indicating functional activity. The deduced amino acid sequence of pierisin showed 32% homology with a 100-kDa mosquitocidal toxin from Bacillus sphaericus SSII-1. In addition, pierisin showed regional sequence similarities with ADP-ribosylating toxins, such as the A subunit of cholera toxin. A glutamic acid residue at the putative NAD-binding site, conserved in all ADP-ribosylating toxins, was also found in pierisin. Substitution of another amino acid for glutamic acid 165 resulted in a great decrease in cytotoxicity and induction of apoptosis. Moreover, inhibitors of ADP-ribosylating enzymes reduced pierisin-induced apoptosis. These results suggest that the apoptosis-inducing protein pierisin might possess ADP-ribosylation activity that leads to apoptosis of the cells.
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Affiliation(s)
- M Watanabe
- Cancer Prevention Division, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
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41
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Haynes WJ, Vaillant B, Preston RR, Saimi Y, Kung C. The cloning by complementation of the pawn-A gene in Paramecium. Genetics 1998; 149:947-57. [PMID: 9611205 PMCID: PMC1460177 DOI: 10.1093/genetics/149.2.947] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The genetic dissection of a simple avoidance reaction behavior in Paramecium tetraurelia has shown that ion channels are a critical molecular element in signal transduction. Pawn mutants, for example, were originally selected for their inability to swim backward, a trait that has since been shown to result from the loss of a voltage-dependent calcium current. The several genes defined by this phenotype were anticipated to be difficult to clone since the 800-ploid somatic macronucleus of P. tetraurelia is a formidable obstacle to cloning by complementation. Nonetheless, when the macronucleus of a pawn mutant (pwA/pwA) was injected with total wild-type DNA or a fractional library of DNA, its clonal descendants all responded to stimuli like the wild type. By sorting a fractional library, we cloned and sequenced a 2.3-kb fragment that restores the Ca2+ current and excitability missing in pawn-A. Data from RNase protection assays, followed by the sequencing of mutant alleles and cDNA clones, established an open reading frame. The conceptually translated product suggests a novel protein that may be glycophosphatidylinositol anchored. We also discuss the general usefulness of this method in cloning other unknown DNA sequences from Paramecium that are functionally responsible for various mutant phenotypes.
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Affiliation(s)
- W J Haynes
- Laboratory of Molecular Biology, University of Wisconsin, Madison, Wisconsin 53706, USA
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