Structural and Biochemical Insights Into Biosynthesis and Degradation of and Degradation Into Insights Biosynthesis and Biochemical Structural
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The Diversity of Dolichol-Linked Precursors to Asn-Linked Glycans Likely Results from Secondary Loss of Sets of Glycosyltransferases
The diversity of dolichol-linked precursors to Asn-linked glycans likely results from secondary loss of sets of glycosyltransferases John Samuelson*†, Sulagna Banerjee*, Paula Magnelli*, Jike Cui*, Daniel J. Kelleher‡, Reid Gilmore‡, and Phillips W. Robbins* *Department of Molecular and Cell Biology, Boston University Goldman School of Dental Medicine, 715 Albany Street, Boston, MA 02118-2932; and ‡Department of Biochemistry and Molecular Biology, University of Massachusetts Medical School, Worcester, MA 01665-0103 Contributed by Phillips W. Robbins, December 17, 2004 The vast majority of eukaryotes (fungi, plants, animals, slime mold, to N-glycans of improperly folded proteins, which are retained in and euglena) synthesize Asn-linked glycans (Alg) by means of a the ER by conserved glucose-binding lectins (calnexin͞calreticulin) lipid-linked precursor dolichol-PP-GlcNAc2Man9Glc3. Knowledge of (13). Although the Alg glycosyltransferases in the lumen of ER this pathway is important because defects in the glycosyltrans- appear to be eukaryote-specific, archaea and Campylobacter sp. ferases (Alg1–Alg12 and others not yet identified), which make glycosylate the sequon Asn and͞or contain glycosyltransferases dolichol-PP-glycans, lead to numerous congenital disorders of with domains like those of Alg1, Alg2, Alg7, and STT3 (1, 14–16). glycosylation. Here we used bioinformatic and experimental Protists, unicellular eukaryotes, suggest three notable exceptions methods to characterize Alg glycosyltransferases and dolichol- to the N-linked glycosylation path described in yeast and animals PP-glycans of diverse protists, including many human patho- (17). First, the kinetoplastid Trypanosoma cruzi (cause of Chagas gens, with the following major conclusions. First, it is demon- myocarditis), fails to glucosylate the dolichol-PP-linked precursor strated that common ancestry is a useful method of predicting and so makes dolichol-PP-GlcNAc2Man9 (18). -
Physical Interactions Between the Alg1, Alg2, and Alg11 Mannosyltransferases of the Endoplasmic Reticulum
Glycobiology vol. 14 no. 6 pp. 559±570, 2004 DOI: 10.1093/glycob/cwh072 Advance Access publication on March 24, 2004 Physical interactions between the Alg1, Alg2, and Alg11 mannosyltransferases of the endoplasmic reticulum Xiao-Dong Gao2, Akiko Nishikawa1, and Neta Dean1 begins on the cytosolic face of the ER, where seven sugars (two N-acetylglucoseamines and five mannoses) are added 1Department of Biochemistry and Cell Biology, Institute for Cell and Developmental Biology, State University of New York, Stony Brook, sequentially to dolichyl phosphate on the outer leaflet of NY 11794-5215, and 2Research Center for Glycoscience, National the ER, using nucleotide sugar donors (Abeijon and Institute of Advanced Industrial Science and Technology, Tsukuba Hirschberg, 1992; Perez and Hirschberg, 1986; Snider and Downloaded from https://academic.oup.com/glycob/article/14/6/559/638968 by guest on 30 September 2021 Central 6, 1-1 Higashi, Tsukuba 305-8566, Japan Rogers, 1984). After a ``flipping'' or translocation step, the Received on January 26, 2004; revised on March 2, 2004; accepted on last seven sugars (four mannoses and three glucoses) are March 2, 2004 added within the lumen of the ER, using dolichol-linked sugar donors (Burda and Aebi, 1999). Once assembled, the The early steps of N-linked glycosylation involve the synthesis oligosaccharide is transferred from the lipid to nascent of a lipid-linked oligosaccharide, Glc3Man9GlcNAc2-PP- protein in a reaction catalyzed by oligosaccharyltransferase. dolichol, on the endoplasmic reticulum (ER) membrane. After removal of terminal glucoses and a single mannose, Prior to its lumenal translocation and transfer to nascent nascent glycoproteins bearing the N-linked Man8GlcNAc2 glycoproteins, mannosylation of Man5GlcNAc2-PP-dolichol core can exit the ER to the Golgi, where this core may is catalyzed by the Alg1, Alg2, and Alg11 mannosyltrans- undergo further carbohydrate modifications. -
Characterization of Α-L-Fucosidase and Other Digestive Hydrolases From
Acta Tropica 141 (2015) 118–127 Contents lists available at ScienceDirect Acta Tropica journal homepage: www.elsevier.com/locate/actatropica Characterization of ␣-L-fucosidase and other digestive hydrolases from Biomphalaria glabrata Natalia N. Perrella a,b, Rebeca S. Cantinha c,d, Eliana Nakano c, Adriana R. Lopes a,∗ a Laboratory of Biochemistry and Biophysics—Instituto Butantan, São Paulo, Brazil b Programa de Pós Graduac¸ ão Interunidades em Biotecnologia PPIB, Universidade de São Paulo, São Paulo, SP, Brazil c Laboratory of Parasitology—Instituto Butantan, São Paulo, Brazil d Instituto de Pesquisas Energéticas e Nucleares, Universidade de São Paulo, São Paulo, SP, Brazil article info abstract Article history: Schistosoma mansoni is one of the major agents of the disease Schistosomiasis, which is one of the Received 10 February 2014 major global public health concerns. Biomphalaria glabrata is an obligate intermediate mollusc host of Received in revised form 3 July 2014 S. mansoni. Although the development of S. mansoni occurs in the snail hepatopancreas, studies that Accepted 12 August 2014 focus on this organ remain limited. In this study, we biochemically identified five distinct carbohy- Available online 16 September 2014 drases (amylase, maltase, ␣-glucosidase, trehalase, and ␣-L-fucosidase), lipases, and peptidases in the B. glabrata hepatopancreas and focused on the isolation and characterization of the activity of ␣-L- Keywords: fucosidase. The isolated ␣-L-fucosidase has a molecular mass of 141 kDa, an optimum pH of 5.8, and Hepatopancreas ␣ Enzymes is inhibited by Tris, fucose, and 1-deoxyfuconojirimycin. B. glabrata -L-fucosidase is an exoglycosidase ␣-L-Fucosidase that can hydrolyze the natural substrate fucoidan to fucose residues. -
Clinical Utility Gene Card For: ALG1 Defective Congenital Disorder of Glycosylation
European Journal of Human Genetics (2015) 23, doi:10.1038/ejhg.2015.9 & 2015 Macmillan Publishers Limited All rights reserved 1018-4813/15 www.nature.com/ejhg CLINICAL UTILITY GENE CARD Clinical utility gene card for: ALG1 defective congenital disorder of glycosylation Jaak Jaeken*,1, Dirk Lefeber2 and Gert Matthijs3 European Journal of Human Genetics (2015) 23, doi:10.1038/ejhg.2015.9; published online 4 February 2015 1. DISEASE CHARACTERISTICS are known to the authors. The frequency and the prevalence of the 1.1 Name of the disease (synonyms) disease are not known. Deficiency of GDP-Man:GlcNAc2-PP-Dol mannosyltransferase, manno- syltransferase 1 deficiency, ALG1-CDG, CDG-Ik. 1.9 Diagnostic setting 1.2 OMIM# of the disease 608540 Yes No A. (Differential) diagnostics ⊠ ⊠ 1.3 Name of the analysed genes or DNA/chromosome segments: B. Predictive testing C. Risk assessment in relatives ⊠ □ ALG1. D. Prenatal ⊠ □ 1.4 OMIM# of the gene 605907. Comment: ALG1-CDG belongs to the five most common N-glycosylation 1.5 Mutational spectrum disorders together with PMM2-CDG, ALG6-CDG, MPI-CDG and Thirteen variants have been reported: ten missense variants, two SRD5A3-CDG. It is an autosomal recessive disease with a broad splicing variants and one deletion variant. The most frequent variant clinical spectrum, and with early death at the second day of life to – is c.773C4T(p.Ser258Leu)1–6 (www.lovd.nl/ALG1). The standard survival beyond the age of 20 years.1 10 Its phenotype is characterized reference sequence indicating reported variants (ENSG00000033011) by a predominant neurological involvement. -
Glycoproteomics-Based Signatures for Tumor Subtyping and Clinical Outcome Prediction of High-Grade Serous Ovarian Cancer
ARTICLE https://doi.org/10.1038/s41467-020-19976-3 OPEN Glycoproteomics-based signatures for tumor subtyping and clinical outcome prediction of high-grade serous ovarian cancer Jianbo Pan 1,2,3, Yingwei Hu1,3, Shisheng Sun 1,3, Lijun Chen1, Michael Schnaubelt1, David Clark1, ✉ Minghui Ao1, Zhen Zhang1, Daniel Chan1, Jiang Qian2 & Hui Zhang 1 1234567890():,; Inter-tumor heterogeneity is a result of genomic, transcriptional, translational, and post- translational molecular features. To investigate the roles of protein glycosylation in the heterogeneity of high-grade serous ovarian carcinoma (HGSC), we perform mass spectrometry-based glycoproteomic characterization of 119 TCGA HGSC tissues. Cluster analysis of intact glycoproteomic profiles delineates 3 major tumor clusters and 5 groups of intact glycopeptides. It also shows a strong relationship between N-glycan structures and tumor molecular subtypes, one example of which being the association of fucosylation with mesenchymal subtype. Further survival analysis reveals that intact glycopeptide signatures of mesenchymal subtype are associated with a poor clinical outcome of HGSC. In addition, we study the expression of mRNAs, proteins, glycosites, and intact glycopeptides, as well as the expression levels of glycosylation enzymes involved in glycoprotein biosynthesis pathways in each tumor. The results show that glycoprotein levels are mainly controlled by the expression of their individual proteins, and, furthermore, that the glycoprotein-modifying glycans cor- respond to the protein levels of glycosylation enzymes. The variation in glycan types further shows coordination to the tumor heterogeneity. Deeper understanding of the glycosylation process and glycosylation production in different subtypes of HGSC may provide important clues for precision medicine and tumor-targeted therapy. -
Broad and Thematic Remodeling of the Surface Glycoproteome on Isogenic
bioRxiv preprint doi: https://doi.org/10.1101/808139; this version posted October 17, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. Broad and thematic remodeling of the surface glycoproteome on isogenic cells transformed with driving proliferative oncogenes Kevin K. Leung1,5, Gary M. Wilson2,5, Lisa L. Kirkemo1, Nicholas M. Riley2,4, Joshua J. Coon2,3, James A. Wells1* 1Department of Pharmaceutical Chemistry, UCSF, San Francisco, CA, USA Departments of Chemistry2 and Biomolecular Chemistry3, University of Wisconsin- Madison, Madison, WI, 53706, USA 4Present address Department of Chemistry, Stanford University, Stanford, CA, 94305, USA 5These authors contributed equally *To whom correspondence should be addressed bioRxiv preprint doi: https://doi.org/10.1101/808139; this version posted October 17, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. Abstract: The cell surface proteome, the surfaceome, is the interface for engaging the extracellular space in normal and cancer cells. Here We apply quantitative proteomics of N-linked glycoproteins to reveal how a collection of some 700 surface proteins is dramatically remodeled in an isogenic breast epithelial cell line stably expressing any of six of the most prominent proliferative oncogenes, including the receptor tyrosine kinases, EGFR and HER2, and downstream signaling partners such as KRAS, BRAF, MEK and AKT. -
A Computational Approach for Defining a Signature of Β-Cell Golgi Stress in Diabetes Mellitus
Page 1 of 781 Diabetes A Computational Approach for Defining a Signature of β-Cell Golgi Stress in Diabetes Mellitus Robert N. Bone1,6,7, Olufunmilola Oyebamiji2, Sayali Talware2, Sharmila Selvaraj2, Preethi Krishnan3,6, Farooq Syed1,6,7, Huanmei Wu2, Carmella Evans-Molina 1,3,4,5,6,7,8* Departments of 1Pediatrics, 3Medicine, 4Anatomy, Cell Biology & Physiology, 5Biochemistry & Molecular Biology, the 6Center for Diabetes & Metabolic Diseases, and the 7Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; 2Department of BioHealth Informatics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202; 8Roudebush VA Medical Center, Indianapolis, IN 46202. *Corresponding Author(s): Carmella Evans-Molina, MD, PhD ([email protected]) Indiana University School of Medicine, 635 Barnhill Drive, MS 2031A, Indianapolis, IN 46202, Telephone: (317) 274-4145, Fax (317) 274-4107 Running Title: Golgi Stress Response in Diabetes Word Count: 4358 Number of Figures: 6 Keywords: Golgi apparatus stress, Islets, β cell, Type 1 diabetes, Type 2 diabetes 1 Diabetes Publish Ahead of Print, published online August 20, 2020 Diabetes Page 2 of 781 ABSTRACT The Golgi apparatus (GA) is an important site of insulin processing and granule maturation, but whether GA organelle dysfunction and GA stress are present in the diabetic β-cell has not been tested. We utilized an informatics-based approach to develop a transcriptional signature of β-cell GA stress using existing RNA sequencing and microarray datasets generated using human islets from donors with diabetes and islets where type 1(T1D) and type 2 diabetes (T2D) had been modeled ex vivo. To narrow our results to GA-specific genes, we applied a filter set of 1,030 genes accepted as GA associated. -
In Vivo Dual RNA-Seq Analysis Reveals the Basis for Differential Tissue Tropism of Clinical Isolates of Streptococcus Pneumoniae
In Vivo Dual RNA-Seq Analysis Reveals the Basis for Differential Tissue Tropism of Clinical Isolates of Streptococcus pneumoniae Vikrant Minhas,1,4 Rieza Aprianto,2,4 Lauren J. McAllister,1 Hui Wang,1 Shannon C. David,1 Kimberley T. McLean,1 Iain Comerford,3 Shaun R. McColl,3 James C. Paton,1,5,6,* Jan-Willem Veening,2,5 and Claudia Trappetti,1,5 Supplementary Information Supplementary Table 1. Pneumococcal differential gene expression in the lungs 6 h post-infection, 9-47-Ear vs 9-47M. Genes with fold change (FC) greater than 2 and p < 0.05 are shown. FC values highlighted in blue = upregulated in 9-47-Ear, while values highlighted in red = upregulated in 9- 47M. Locus tag in 9-47- Product padj FC Ear Sp947_chr_00844 Sialidase B 3.08E-10 313.9807 Sp947_chr_02077 hypothetical protein 4.46E-10 306.9412 Sp947_chr_00842 Sodium/glucose cotransporter 2.22E-09 243.4822 Sp947_chr_00841 N-acetylneuraminate lyase 4.53E-09 227.7963 scyllo-inositol 2-dehydrogenase Sp947_chr_00845 (NAD(+)) 4.36E-09 221.051 Sp947_chr_00848 hypothetical protein 1.19E-08 202.7867 V-type sodium ATPase catalytic subunit Sp947_chr_00853 A 1.29E-06 100.5411 Sp947_chr_00846 Beta-glucoside kinase 3.42E-06 98.18951 Sp947_chr_00855 V-type sodium ATPase subunit D 8.34E-06 85.94879 Sp947_chr_00851 V-type sodium ATPase subunit C 2.50E-05 72.46612 Sp947_chr_00843 hypothetical protein 2.17E-05 65.97758 Sp947_chr_00839 HTH-type transcriptional regulator RpiR 3.09E-05 61.28171 Sp947_chr_00854 V-type sodium ATPase subunit B 1.32E-06 50.86992 Sp947_chr_00120 hypothetical protein 3.00E-04 -
Yeast Genome Gazetteer P35-65
gazetteer Metabolism 35 tRNA modification mitochondrial transport amino-acid metabolism other tRNA-transcription activities vesicular transport (Golgi network, etc.) nitrogen and sulphur metabolism mRNA synthesis peroxisomal transport nucleotide metabolism mRNA processing (splicing) vacuolar transport phosphate metabolism mRNA processing (5’-end, 3’-end processing extracellular transport carbohydrate metabolism and mRNA degradation) cellular import lipid, fatty-acid and sterol metabolism other mRNA-transcription activities other intracellular-transport activities biosynthesis of vitamins, cofactors and RNA transport prosthetic groups other transcription activities Cellular organization and biogenesis 54 ionic homeostasis organization and biogenesis of cell wall and Protein synthesis 48 plasma membrane Energy 40 ribosomal proteins organization and biogenesis of glycolysis translation (initiation,elongation and cytoskeleton gluconeogenesis termination) organization and biogenesis of endoplasmic pentose-phosphate pathway translational control reticulum and Golgi tricarboxylic-acid pathway tRNA synthetases organization and biogenesis of chromosome respiration other protein-synthesis activities structure fermentation mitochondrial organization and biogenesis metabolism of energy reserves (glycogen Protein destination 49 peroxisomal organization and biogenesis and trehalose) protein folding and stabilization endosomal organization and biogenesis other energy-generation activities protein targeting, sorting and translocation vacuolar and lysosomal -
Novel Cardiovascular Findings in Association with a POMT2
European Journal of Human Genetics (2014) 22, 486–491 & 2014 Macmillan Publishers Limited All rights reserved 1018-4813/14 www.nature.com/ejhg ARTICLE Novel cardiovascular findings in association with a POMT2 mutation: three siblings with a-dystroglycanopathy Hugo R Martinez*,1, William J Craigen2, Monika Ummat3, Adekunle M Adesina4, Timothy E Lotze3 and John L Jefferies5 Dystroglycanopathies are a genetically heterogeneous subset of congenital muscular dystrophies that exhibit autosomal recessive inheritance and are characterized by abnormal glycosylation of a-dystroglycan. In particular, POMT2 (protein O-mannosyltransferase-2) mutations have been identified in congenital muscular dystrophy patients with a wide range of clinical involvement, ranging from the severe muscle-eye-brain disease and Walker–Warburg syndrome to limb girdle muscular dystrophy without structural brain or ocular involvement. Cardiovascular disease is thought to be uncommon in congenital muscular dystrophy, with rare reports of cardiac involvement. We describe three brothers aged 21, 19, and 17 years with an apparently homozygous POMT2 mutation who all presented with congenital muscular dystrophy, intellectual disabilities, and distinct cardiac abnormalities. All three brothers were homozygous for a p.Tyr666Cys missense mutation in exon 19 of the POMT2 gene. On screening echocardiograms, all siblings demonstrated significant dilatation of the aortic root and depressed left ventricular systolic function and/or left ventricular wall motion abnormalities. Our report is the first to document an association between POMT2 mutations and aortopathy with concomitant depressed left ventricular systolic function. On the basis of our findings, we suggest patients with POMT2 gene mutations be screened not only for myocardial dysfunction but also for aortopathy. -
Congenital Disorders of Glycosylation from a Neurological Perspective
brain sciences Review Congenital Disorders of Glycosylation from a Neurological Perspective Justyna Paprocka 1,* , Aleksandra Jezela-Stanek 2 , Anna Tylki-Szyma´nska 3 and Stephanie Grunewald 4 1 Department of Pediatric Neurology, Faculty of Medical Science in Katowice, Medical University of Silesia, 40-752 Katowice, Poland 2 Department of Genetics and Clinical Immunology, National Institute of Tuberculosis and Lung Diseases, 01-138 Warsaw, Poland; [email protected] 3 Department of Pediatrics, Nutrition and Metabolic Diseases, The Children’s Memorial Health Institute, W 04-730 Warsaw, Poland; [email protected] 4 NIHR Biomedical Research Center (BRC), Metabolic Unit, Great Ormond Street Hospital and Institute of Child Health, University College London, London SE1 9RT, UK; [email protected] * Correspondence: [email protected]; Tel.: +48-606-415-888 Abstract: Most plasma proteins, cell membrane proteins and other proteins are glycoproteins with sugar chains attached to the polypeptide-glycans. Glycosylation is the main element of the post- translational transformation of most human proteins. Since glycosylation processes are necessary for many different biological processes, patients present a diverse spectrum of phenotypes and severity of symptoms. The most frequently observed neurological symptoms in congenital disorders of glycosylation (CDG) are: epilepsy, intellectual disability, myopathies, neuropathies and stroke-like episodes. Epilepsy is seen in many CDG subtypes and particularly present in the case of mutations -
Supplemental Material Placed on This Supplemental Material Which Has Been Supplied by the Author(S) J Med Genet
BMJ Publishing Group Limited (BMJ) disclaims all liability and responsibility arising from any reliance Supplemental material placed on this supplemental material which has been supplied by the author(s) J Med Genet Supplement Supplementary Table S1: GENE MEAN GENE NAME OMIM SYMBOL COVERAGE CAKUT CAKUT ADTKD ADTKD aHUS/TMA aHUS/TMA TUBULOPATHIES TUBULOPATHIES Glomerulopathies Glomerulopathies Polycystic kidneys / Ciliopathies Ciliopathies / kidneys Polycystic METABOLIC DISORDERS AND OTHERS OTHERS AND DISORDERS METABOLIC x x ACE angiotensin-I converting enzyme 106180 139 x ACTN4 actinin-4 604638 119 x ADAMTS13 von Willebrand cleaving protease 604134 154 x ADCY10 adenylate cyclase 10 605205 81 x x AGT angiotensinogen 106150 157 x x AGTR1 angiotensin II receptor, type 1 106165 131 x AGXT alanine-glyoxylate aminotransferase 604285 173 x AHI1 Abelson helper integration site 1 608894 100 x ALG13 asparagine-linked glycosylation 13 300776 232 x x ALG9 alpha-1,2-mannosyltransferase 606941 165 centrosome and basal body associated x ALMS1 606844 132 protein 1 x x APOA1 apolipoprotein A-1 107680 55 x APOE lipoprotein glomerulopathy 107741 77 x APOL1 apolipoprotein L-1 603743 98 x x APRT adenine phosphoribosyltransferase 102600 165 x ARHGAP24 Rho GTPase-Activation protein 24 610586 215 x ARL13B ADP-ribosylation factor-like 13B 608922 195 x x ARL6 ADP-ribosylation factor-like 6 608845 215 ATPase, H+ transporting, lysosomal V0, x ATP6V0A4 605239 90 subunit a4 ATPase, H+ transporting, lysosomal x x ATP6V1B1 192132 163 56/58, V1, subunit B1 x ATXN10 ataxin