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ADP-ribosylation site analysis

ABSTRACT: We have used the Af1521 macrodomain to enrich for ADP-ribosylated peptides in human cells and mammalian tissues, and identified the individuail modification sites by LC-MS/MS

INSTRUMENT(S): Q Exactive

ORGANISM(S): Homo Sapiens (human) Mus Musculus (mouse)

TISSUE(S): Liver, Epithelial Cell, Cell Culture

DISEASE(S): Brain Cancer

SUBMITTER: Michael L. Nielsen

LAB HEAD: Michael Lund Nielsen

PROVIDER: PXD004245 | Pride | 2016-10-04

REPOSITORIES: Pride

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Proteome-wide identification of the endogenous ADP-ribosylome of mammalian cells and tissue.

Martello Rita R Leutert Mario M Jungmichel Stephanie S Bilan Vera V Larsen Sara C SC Young Clifford C Hottiger Michael O MO Nielsen Michael L ML

Nature communications 20160930

Although protein ADP-ribosylation is involved in diverse biological processes, it has remained a challenge to identify ADP-ribose acceptor sites. Here, we present an experimental workflow for sensitive and unbiased analysis of endogenous ADP-ribosylation sites, capable of detecting more than 900 modification sites in mammalian cells and mouse liver. In cells, we demonstrate that Lys residues, besides Glu, Asp and Arg residues, are the dominant in vivo targets of ADP-ribosylation during oxidative ...[more]

PMID: 27686526

Similar Datasets

Engineering Af1521 macro domain increases ADP-ribose binding affinity and leads to the identification of more ADP-ribosylated proteins

Project description:Protein ADP-ribosylation is a covalent, reversible post-translational modification that has important functions in several cellular mechanisms. The identification of modified proteins in cells has proven challenging and, due to the low abundance of protein ADP-ribosylation, has mainly been possible via enrichment methodologies using ADP-ribose binding domains. Here, using random mutagenesis and in vitro selection with an ADP-ribosylated histone peptide, we engineered the archaeal Af1521 macro domain to generate an engineered isoform containing nine mutations that displays significantly increased affinity towards ADP-ribose. Comparison of the wild-type and the engineered Af1521 macro domains using our proteomic ADP-ribosylome enrichment workflow demonstrated an increased identification rate of ADP-ribosylated proteins with the engineered Af1521.

2020-10-20 | PXD016686 | Pride

Proteomic characterization of the heart and skeletal muscle reveals widespread Arginine ADP-ribosylation by the ectopic ADP-ribosyltransferase ARTC1

Project description:ADP-ribosylation has thus far been studied on the proteomic level mainly in cell lines and in combination with genotoxic stress. The clostridium-like ADP-ribosyltransferases (i.e. ARTC) are GPI-anchored or secreted proteins that are expressed in a highly tissue specific manner. Transcriptomic data revealed that ARTC1 is expressed in skeletal muscle and heart tissue. Although ARTC1 is highly active in vitro, identification of ARTC1 targets in vivo and subsequent characterization of ARTC1-regulated cellular processes on the proteome level has been challenging and only a few ADP-ribosylated targets are known. Using a new MS-based workflow, we provide the thus far most extensive identification of endogenous ADP-ribosylomes with hundreds of ARTC1-ADP-ribosylated proteins in C2C12 myotubes and in skeletal muscle and heart tissues from wild type and newly generated ARTC1 knockout mice. These proteins are ADP-ribosylated on arginine residues and mainly located on the cell surface or in the extracellular space. They are associated with signal transduction, transmembrane transport and muscle function. Together we provide the first comprehensive systems-level analysis of endogenous ADP-ribosylation in two different muscle tissues revealing a widespread function of ARTC1 and its targets.

2018-08-17 | PXD008041 | Pride

Proteomic analyses identify ARH3 as a serine mono-ADP-ribosylhydrolase

Project description:ADP-ribosylation is a posttranslational modification that exists in monomeric and polymeric forms. Whereas the writers (e.g. ARTD1/PARP1) and erasers (e.g. PARG, ARH3) of poly-ADP-ribosylation (PARylation) are relatively well described, the enzymes involved in mono-ADP-ribosylation (MARylation) have been less well investigated. While erasers for the MARylation of glutamate/aspartate and arginine have been identified, the respective enzymes with specificity for serine are still missing. Here, we report that in vitro, ARH3 specifically binds and demodifies proteins and peptides that are MARylated. Molecular modeling and site-directed mutagenesis of ARH3 revealed that numerous residues are critical for both the mono- and the poly-ADP-ribosylhydrolase activity of ARH3. Notably, a mass spectrometry approach showed that ARH3-deficient MEFs are characterized by a specific increase in serine-ADP-ribosylation in vivo under untreated conditions as well as following hydrogen-peroxide stress. Together, our results establish ARH3 as a serine mono-ADP-ribosylhydrolase and as an important regulator of the basal and stress induced ADP-ribosylome.

2017-12-14 | PXD008083 | Pride

Tankyrase-mediated ADP-ribosylation is a novel regulator of TNF-induced death

Project description:TNF is a key component of the innate immune response. Upon binding to its receptor, TNFR1, it promotes production of other cytokines via a membrane-bound complex 1, or induces cell death via a cytosolic complex 2. To understand how TNF-induced cell death is regulated we performed mass spectrometry of complex 2 and identified tankyrase-1 as a native component that, upon a death stimulus, mediates complex 2 poly-ADP-ribosylation (PARylation). PARylation promotes recruitment of the E3 ligase RNF146 resulting in proteasomal degradation of complex 2 thereby limiting cell death. Intriguingly, expression of the ADP-ribose binding/hydrolyzing SARS-CoV-2 macrodomain sensitizes cells to TNF-induced death via abolishing complex 2 PARylation. This suggests that disruption of ADP-ribosylation during an infection can prime a cell to retaliate with an inflammatory cell death.

2022-06-09 | PXD032131 | Pride

Mitochondrial ADP-ribosylation regulates NAD+-dependent genotoxic stress responses

Project description:ADP-ribosylome analysis in human U20S cells and mouse muscle tissues

2021-09-08 | PXD013918 | Pride

An advanced strategy for comprehensive profiling of ADP-ribosylation sites using mass spectrometry-based proteomics

Project description:ADP-ribosylation is a widespread post-translational modification (PTM) with crucial functions in many cellular processes. Here, we describe an in-depth ADP-ribosylome using our Af1521-based proteomics methodology for profiling of ADP-ribosylation sites, by systematically assessing complementary proteolytic digestions and precursor fragmentation through application of electron-transfer higher-energy collisional dissociation (EThcD) and electron transfer dissociation (ETD), respectively. While ETD spectra yielded higher identification scores, EThcD generally proved superior to ETD in identification and localization of ADP-ribosylation sites regardless of protease employed. Notwithstanding, the propensities of complementary proteases and fragmentation methods expanded the detectable repertoire of ADP-ribosylation to an unprecedented depth. This system-wide profiling of the ADP-ribosylome in HeLa cells subjected to DNA damage uncovered >11,000 unique ADP-ribosylated peptides mapping to >7,000 ADP-ribosylation sites, in total modifying over one-third of the human nuclear proteome and highlighting the vast scope of this PTM. High-resolution MS/MS spectra enabled identification of dozens of proteins concomitantly modified by ADP-ribosylation and phosphorylation, revealing a considerable degree of crosstalk on histones. ADP-ribosylation was confidently localized to various amino acid residue types, including less abundantly modified residues, with hundreds of ADP-ribosylation sites pinpointed on histidine, arginine, and tyrosine residues. Functional enrichment analysis suggested modification of these specific residue types is directed in a spatial manner, with tyrosine ADP-ribosylation linked to the ribosome, arginine ADP-ribosylation linked to the endoplasmic reticulum, and histidine ADP-ribosylation linked to the mitochondrion.

2019-02-26 | PXD012243 | Pride

Systems-wide analysis of serine-ADP-ribosylation reveals widespread occurrence and site-specific overlap with phosphorylation - Part 1, ADP-ribosylation data.

Project description:ADP-ribosylation (ADPr) is a reversible posttranslational modification involved in a range of cellular processes. Here, we report system-wide identification of serine ADPr in human cells upon oxidative stress. High-resolution mass spectrometry and unrestricted data processing confirm that serine residues are the major target of ADPr in HeLa cells. Proteome-wide analysis identifies 3,090 serine ADPr sites, with 97% of acceptor sites modulating more than 2-fold upon oxidative stress, while treatment with the poly (ADP-ribose) polymerase (PARP) inhibitor olaparib abrogates this induction. Serine ADPr predominantly targets nuclear proteins, while structural-predictive analyses reveal that serine ADPr preferentially targets disordered protein regions. The identified ADP-ribosylated serines significantly overlap with known phosphorylated serines, and large-scale phosphoproteomics analysis provides evidence for the site-specific crosstalk between serine ADPr and phosphorylation. Collectively, we demonstrate that serine ADPr is a widespread modification and a major nuclear signaling response to oxidative stress, with a regulatory scope comparable to other extensive posttranslational modifications - Part 1, ADP-ribosylation data.

2018-08-29 | PXD009208 | Pride

A study into the ADP-ribosylome of IFN--stimulated THP-1 human macrophage-like cells identifies ARTD8/PARP14 and ARTD9/PARP9 ADP-ribosylation

Project description:ADP-ribosylation is a post-translational modification that, until recently, has remained elusive to study at the cellular level. Previously dependent on radioactive tracers to identify ADP-ribosylation targets, several advances in mass spectrometric workflows now permit global identification of ADP-ribosylated substrates. In this study, we capitalized on two ADP-ribosylation enrichment strategies, and multiple activation methods performed on the Orbitrap Fusion Lumos, to identify IFN--induced ADP-ribosylation substrates in macrophages. The ADP-ribosyl binding protein, Af1521, was used to enrich ADP-ribosylated peptides, and the anti-poly-ADP-ribosyl antibody, 10H, was used to enrich ADP-ribosylated proteins. ADP-ribosyl-specific mass spectra were further enriched by an ADP-ribose product ion triggered EThcD and HCD activation strategy, in combination with multiple acquisitions that segmented the survey scan into smaller ranges. HCD and EThcD resulted in overlapping and unique ADP-ribosyl peptide identifications, with HCD providing more peptide identifications but EThcD providing more reliable ADP-ribosyl acceptor sites. Our acquisition strategies also resulted in the first ever characterization of ADP-ribosyl on three poly-ADP-ribose polymerases, ARTD9/PARP9, ARTD10/PARP10, and ARTD8/PARP14. IFN- increased the ADP-ribosylation status of ARTD9/PARP9, ARTD8/PARP14, and proteins involved in RNA processes. This study therefore summarizes specific molecular pathways at the intersection of IFN- and ADP-ribosylation signaling pathways.

2020-01-27 | PXD011690 | Pride

Lack of the mitochondrial NAD transporter SLC25A51 redistributes NAD+ compartmentalization and cellular ADP-ribosylation

Project description:Nicotinamide adenine dinucleotide (NAD+) is a vital small molecule with important redox capacity in oxidative phosphorylation (OXPHOS) and a key co-factor in various enzymatic reactions. The recent identification of the mitochondrial NAD+ transporter SLC25A51 provides strong evidence for a direct regulation of the mitochondrial NAD+ pool. Though the effect of this transporter on glucose metabolism has been described, its contribution to other NAD+-dependent processes such as ADP-ribosylation remains elusive. Here, we report that knockdown of SLC25A51 decreased the NAD+ concentration in mitochondria but increased the NAD+ concentration in the cytoplasm and nucleus. The increase in nuclear and cytoplasmic NAD+ was not due to the upregulation of the salvage pathway, thus pointing towards an overall redistribution of NAD+ from the mitochondria towards the cyto/nuclear compartment. Furthermore, the NAD+ redistribution induced by knockdown or knockout of SLC25A51 resulted, as quantified by immunofluorescence or analyzed by mass-spectrometry, in a loss of mitochondrial ADP-ribosylation and an increase of PARP1-mediated nuclear ADP-ribosylation under basal conditions. Further, MMS/Olaparib induced PARP1 chromatin retention and the sensitivity of triple-negative MDA-MB-436 breast cancer cells to PARP inhibition were both reduced upon knockdown of SLC25A51. In addition, H2O2-induced PARP1-dependent nuclear ADP-ribosylation was prolonged while phosphorylation of H2AX was unexpectedly reduced. Together these results provide evidence that lack of SCL25A51 and subsequently altered NAD+ compartmentalization affects not only mitochondrial and nuclear ADP-ribosylation but also other chromatin associated events.

2023-10-24 | PXD031373 | Pride

Temporal and site-specific ADP-ribosylation dynamics upon different genotoxic stresses

Project description:The DNA damage response revolves around transmission of information via post-translational modifications, including reversible protein ADP-ribosylation. Here, we applied a mass spectrometry-based Af1521 enrichment technology for the identification and quantification of ADP-ribosylation sites as a function of various DNA damage stimuli and time. In total, we detected 1,681 ADP-ribosylation sites residing on 716 proteins in U2OS cells, and determined their temporal dynamics after exposure to the genotoxins H2O2 and MMS. Intriguingly, we observed a widespread but low-abundant serine ADP-ribosylation response at the earliest time point, with later time points centered on increased modification of the same sites. This suggests that early serine ADP-ribosylation events may serve as a platform for an integrated signal response. While treatment with H2O2 and MMS induced homogenous ADP-ribosylation responses, we observed temporal differences in the ADP-ribosylation site abundancies. Exposure to MMS-induced alkylating stress induced the strongest ADP-ribosylome response after 30 minutes prominently modifying proteins involved in RNA processing, whereas in response to H2O2-induced oxidative stress ADP-ribosylation peaked after 60 minutes, while mainly modifying proteins involved in DNA damage pathways. Collectively, the dynamic ADP-ribosylome presented here provides valuable insight into the temporal cellular regulation of ADP-ribosylation in response to DNA damage.

2021-11-04 | PXD028902 | Pride

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