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Characterization and Phylogeny of the Pfp Gene of Amycolatopsis Methanolica Encoding
JOURNAL OF BACTERIOLOGY, Jan. 1996, p. 149–155 Vol. 178, No. 1 0021-9193/96/$04.0010 Copyright q 1996, American Society for Microbiology Characterization and Phylogeny of the pfp Gene of Amycolatopsis methanolica Encoding PPi-Dependent Phosphofructokinase ALEXANDRA M. C. R. ALVES, WIM G. MEIJER, JAN W. VRIJBLOED, AND LUBBERT DIJKHUIZEN* Department of Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen, 9751 NN Haren, The Netherlands Received 28 July 1995/Accepted 2 November 1995 The actinomycete Amycolatopsis methanolica employs a PPi-dependent phosphofructokinase (PPi-PFK) (EC 2.7.1.90) with biochemical characteristics similar to those of both ATP- and PPi-dependent enzymes during growth on glucose. A 2.3-kb PvuII fragment hybridizing to two oligonucleotides based on the amino-terminal amino acid sequence of PPi-PFK was isolated from a genomic library of A. methanolica. Nucleotide sequence analysis of this fragment revealed the presence of an open reading frame encoding a protein of 340 amino acids with a high degree of similarity to PFK proteins. Heterologous expression of this open reading frame in Escherichia coli gave rise to a unique 45-kDa protein displaying a high level of PPi-PFK activity. The open reading frame was therefore designated pfp, encoding the PPi-PFK of A. methanolica. Upstream and transcribed divergently from pfp, a partial open reading frame (aroA) similar to 3-deoxy-D-arabino-heptulosonate-7- phosphate synthase-encoding genes was identified. The partial open reading frame (chiA) downstream from pfp was similar to chitinase genes from Streptomyces species. A phylogenetic analysis of the ATP- and PPi- dependent proteins showed that PPi-PFK enzymes are monophyletic, suggesting that the two types of PFK evolved from a common ancestor. -
Articles Catalytic Cycling in Β-Phosphoglucomutase: a Kinetic
9404 Biochemistry 2005, 44, 9404-9416 Articles Catalytic Cycling in â-Phosphoglucomutase: A Kinetic and Structural Analysis†,‡ Guofeng Zhang, Jianying Dai, Liangbing Wang, and Debra Dunaway-Mariano* Department of Chemistry, UniVersity of New Mexico, Albuquerque, New Mexico 87131-0001 Lee W. Tremblay and Karen N. Allen* Department of Physiology and Biophysics, Boston UniVersity School of Medicine, Boston, Massachusetts 02118-2394 ReceiVed March 26, 2005; ReVised Manuscript ReceiVed May 18, 2005 ABSTRACT: Lactococcus lactis â-phosphoglucomutase (â-PGM) catalyzes the interconversion of â-D-glucose 1-phosphate (â-G1P) and â-D-glucose 6-phosphate (G6P), forming â-D-glucose 1,6-(bis)phosphate (â- G16P) as an intermediate. â-PGM conserves the core domain catalytic scaffold of the phosphatase branch of the HAD (haloalkanoic acid dehalogenase) enzyme superfamily, yet it has evolved to function as a mutase rather than as a phosphatase. This work was carried out to identify the structural basis underlying this diversification of function. In this paper, we examine â-PGM activation by the Mg2+ cofactor, â-PGM activation by Asp8 phosphorylation, and the role of cap domain closure in substrate discrimination. First, the 1.90 Å resolution X-ray crystal structure of the Mg2+-â-PGM complex is examined in the context of + + previously reported structures of the Mg2 -R-D-galactose-1-phosphate-â-PGM, Mg2 -phospho-â-PGM, and Mg2+-â-glucose-6-phosphate-1-phosphorane-â-PGM complexes to identify conformational changes that occur during catalytic turnover. The essential role of Asp8 in nucleophilic catalysis was confirmed by demonstrating that the D8A and D8E mutants are devoid of catalytic activity. -
University of Birmingham Synthesis of -Glucan in Mycobacteria Involves A
University of Birmingham Synthesis of -glucan in mycobacteria involves a hetero-octameric complex of trehalose synthase TreS and Maltokinase Pep2 Roy, Rana; Veeraraghavan, Usha; Kermani, Ali; Scott, David J; Hyde, Eva I; Besra, Gurdyal S; Alderwick, Luke J; Fütterer, Klaus DOI: 10.1021/cb400508k License: Creative Commons: Attribution (CC BY) Document Version Publisher's PDF, also known as Version of record Citation for published version (Harvard): Roy, R, Veeraraghavan, U, Kermani, A, Scott, DJ, Hyde, EI, Besra, GS, Alderwick, LJ & Fütterer, K 2013, 'Synthesis of -glucan in mycobacteria involves a hetero-octameric complex of trehalose synthase TreS and Maltokinase Pep2', ACS chemical biology, vol. 8, no. 10, pp. 2245-2255. https://doi.org/10.1021/cb400508k Link to publication on Research at Birmingham portal Publisher Rights Statement: Eligibility for repository : checked 30/06/2014 General rights Unless a licence is specified above, all rights (including copyright and moral rights) in this document are retained by the authors and/or the copyright holders. The express permission of the copyright holder must be obtained for any use of this material other than for purposes permitted by law. •Users may freely distribute the URL that is used to identify this publication. •Users may download and/or print one copy of the publication from the University of Birmingham research portal for the purpose of private study or non-commercial research. •User may use extracts from the document in line with the concept of ‘fair dealing’ under the Copyright, Designs and Patents Act 1988 (?) •Users may not further distribute the material nor use it for the purposes of commercial gain. -
Diagnosis, Treatment and Follow Up
DOI: 10.1002/jimd.12024 REVIEW International clinical guidelines for the management of phosphomannomutase 2-congenital disorders of glycosylation: Diagnosis, treatment and follow up Ruqaiah Altassan1,2 | Romain Péanne3,4 | Jaak Jaeken3 | Rita Barone5 | Muad Bidet6 | Delphine Borgel7 | Sandra Brasil8,9 | David Cassiman10 | Anna Cechova11 | David Coman12,13 | Javier Corral14 | Joana Correia15 | María Eugenia de la Morena-Barrio16 | Pascale de Lonlay17 | Vanessa Dos Reis8 | Carlos R Ferreira18,19 | Agata Fiumara5 | Rita Francisco8,9,20 | Hudson Freeze21 | Simone Funke22 | Thatjana Gardeitchik23 | Matthijs Gert4,24 | Muriel Girad25,26 | Marisa Giros27 | Stephanie Grünewald28 | Trinidad Hernández-Caselles29 | Tomas Honzik11 | Marlen Hutter30 | Donna Krasnewich18 | Christina Lam31,32 | Joy Lee33 | Dirk Lefeber23 | Dorinda Marques-da-Silva9,20 | Antonio F Martinez34 | Hossein Moravej35 | Katrin Õunap36,37 | Carlota Pascoal8,9 | Tiffany Pascreau38 | Marc Patterson39,40,41 | Dulce Quelhas14,42 | Kimiyo Raymond43 | Peymaneh Sarkhail44 | Manuel Schiff45 | Małgorzata Seroczynska29 | Mercedes Serrano46 | Nathalie Seta47 | Jolanta Sykut-Cegielska48 | Christian Thiel30 | Federic Tort27 | Mari-Anne Vals49 | Paula Videira20 | Peter Witters50,51 | Renate Zeevaert52 | Eva Morava53,54 1Department of Medical Genetic, Montréal Children's Hospital, Montréal, Québec, Canada 2Department of Medical Genetic, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia 3Department of Human Genetics, KU Leuven, Leuven, Belgium 4LIA GLYCOLAB4CDG (International -
Supplementary Table S1. Table 1. List of Bacterial Strains Used in This Study Suppl
Supplementary Material Supplementary Tables: Supplementary Table S1. Table 1. List of bacterial strains used in this study Supplementary Table S2. List of plasmids used in this study Supplementary Table 3. List of primers used for mutagenesis of P. intermedia Supplementary Table 4. List of primers used for qRT-PCR analysis in P. intermedia Supplementary Table 5. List of the most highly upregulated genes in P. intermedia OxyR mutant Supplementary Table 6. List of the most highly downregulated genes in P. intermedia OxyR mutant Supplementary Table 7. List of the most highly upregulated genes in P. intermedia grown in iron-deplete conditions Supplementary Table 8. List of the most highly downregulated genes in P. intermedia grown in iron-deplete conditions Supplementary Figures: Supplementary Figure 1. Comparison of the genomic loci encoding OxyR in Prevotella species. Supplementary Figure 2. Distribution of SOD and glutathione peroxidase genes within the genus Prevotella. Supplementary Table S1. Bacterial strains Strain Description Source or reference P. intermedia V3147 Wild type OMA14 isolated from the (1) periodontal pocket of a Japanese patient with periodontitis V3203 OMA14 PIOMA14_I_0073(oxyR)::ermF This study E. coli XL-1 Blue Host strain for cloning Stratagene S17-1 RP-4-2-Tc::Mu aph::Tn7 recA, Smr (2) 1 Supplementary Table S2. Plasmids Plasmid Relevant property Source or reference pUC118 Takara pBSSK pNDR-Dual Clonetech pTCB Apr Tcr, E. coli-Bacteroides shuttle vector (3) plasmid pKD954 Contains the Porpyromonas gulae catalase (4) -
Pyruvate-Phosphate Dikinase of Oxymonads and Parabasalia and the Evolution of Pyrophosphate-Dependent Glycolysis in Anaerobic Eukaryotes† Claudio H
EUKARYOTIC CELL, Jan. 2006, p. 148–154 Vol. 5, No. 1 1535-9778/06/$08.00ϩ0 doi:10.1128/EC.5.1.148–154.2006 Copyright © 2006, American Society for Microbiology. All Rights Reserved. Pyruvate-Phosphate Dikinase of Oxymonads and Parabasalia and the Evolution of Pyrophosphate-Dependent Glycolysis in Anaerobic Eukaryotes† Claudio H. Slamovits and Patrick J. Keeling* Canadian Institute for Advanced Research, Botany Department, University of British Columbia, 3529-6270 University Boulevard, Vancouver, British Columbia V6T 1Z4, Canada Received 29 September 2005/Accepted 8 November 2005 In pyrophosphate-dependent glycolysis, the ATP/ADP-dependent enzymes phosphofructokinase (PFK) and pyruvate kinase are replaced by the pyrophosphate-dependent PFK and pyruvate phosphate dikinase (PPDK), respectively. This variant of glycolysis is widespread among bacteria, but it also occurs in a few parasitic anaerobic eukaryotes such as Giardia and Entamoeba spp. We sequenced two genes for PPDK from the amitochondriate oxymonad Streblomastix strix and found evidence for PPDK in Trichomonas vaginalis and other parabasalia, where this enzyme was thought to be absent. The Streblomastix and Giardia genes may be related to one another, but those of Entamoeba and perhaps Trichomonas are distinct and more closely related to bacterial homologues. These findings suggest that pyrophosphate-dependent glycolysis is more widespread in eukaryotes than previously thought, enzymes from the pathway coexists with ATP-dependent more often than previously thought and may be spread by lateral transfer of genes for pyrophosphate-dependent enzymes from bacteria. Adaptation to anaerobic metabolism is a complex process (PPDK), respectively (for a comparison of these reactions, see involving changes to many proteins and pathways of critical reference 21). -
Cultural Soil
Structural and functional metage- nomic analyses of a tropical agri- cultural soil Análisis metagenómicos estructurales y funcionales de un suelo agrícola tropical Análises metagenómicas estruturais e funcionais de um solo agrícola tropical AUTHORS Received: 04.07.2018 Revised: 09.12.2018 Accepted: 21.01.2019 Lateef Babatunde 1 Salam@, 1 ABSTRACT babssalaam@yahoo. com Understanding the intricate link between the soil microbiota and their metabolic functions is important for agricultural and ecological processes and could be used as a biomarker of soil health. Oluwafemi Sunday To understand the relationship between soil microbial community structure and functions, a soil 2 Obayori microcosm designated 2S (agricultural soil) was set up. Metagenomic DNA was extracted from the soil microcosm and sequenced using Miseq Illumina next generation sequencing and analysed for their structural and functional properties. Structural analysis of the soil microcosm by MG-RAST @ Corresponding Author revealed 40 phyla, 78 classes, 157 orders, 273 families and 750 genera. Actinobacteria (54.0%) and 1Department of Biological Proteobacteria (17.5%) are the dominant phyla while Conexibacter (8.38%), Thermoleophilum (7.40%), Sciences, Al-Hikmah and Streptomyces (4.14%) are the dominant genera. Further assignment of the metagenomics using University, Ilorin, Kwara State, Nigeria. Cluster of Orthologous Groups (COG), Kyoto Encyclopedia of Genes and Genomes (KEGG), GhostKOALA, and NCBI’s CDD revealed diverse metabolic pathways utilized by the microbial 2Department of Microbiology, Lagos State community for the metabolism of carbohydrates, amino acids, lipids, biosynthesis of secondary University, Ojo, Lagos metabolites and resistance to antibiotics. Taxonomic analysis of the annotated genes also revealed State, Nigeria. the preponderance of members of Actinobacteria and Proteobacteria. -
The Enzymatic Conversion of Phosphonates to Phosphate by Bacteria
Available online at www.sciencedirect.com The enzymatic conversion of phosphonates to phosphate by bacteria 1 Siddhesh S Kamat and Frank M Raushel Phosphonates are ubiquitous organophosphorus compounds annually into the environment in the form of herbicides that contain a characteristic C–P bond which is chemically inert and detergent wastes. With such large quantities of and hydrolytically stable. Bacteria have evolved pathways to phosphonates being released into the environment, there metabolize these phosphonate compounds and utilize the is a significant interest in understanding the mechanisms products of these pathways as nutrient sources. This review by which phosphonates are degraded or metabolized by aims to present all of the known bacterial enzymes capable of bacterial species [1]. The abundance and universal preva- transforming phosphonates to phosphates. There are three lence of phosphonates in the environment has led to the major classes of enzymes known to date performing such evolution of several bacterial species that are able to transformations: phosphonatases, the C-P lyase complex and metabolize and utilize phosphonates as carbon and phos- an oxidative pathway for C–P bond cleavage. A brief phorus sources [2–4]. There are three known classes of description of each class is presented. enzymes or enzymatic systems that have been mechan- istically characterized which are capable of breaking the Addresses C–P bonds of phosphonate compounds. These include Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, TX 77843, United States phosphonate hydrolases, the C-P lyase complex, and an oxidative pathway. Corresponding author: Raushel, Frank M ([email protected]) 1 Present address: The Skaggs Institute for Chemical Biology and Phosphonate hydrolases Department of Chemical Physiology, The Scripps Research Institute, La Phosphonate hydrolases have been generically referred to Jolla, CA 92037, United States. -
Letters to Nature
letters to nature Received 7 July; accepted 21 September 1998. 26. Tronrud, D. E. Conjugate-direction minimization: an improved method for the re®nement of macromolecules. Acta Crystallogr. A 48, 912±916 (1992). 1. Dalbey, R. E., Lively, M. O., Bron, S. & van Dijl, J. M. The chemistry and enzymology of the type 1 27. Wolfe, P. B., Wickner, W. & Goodman, J. M. Sequence of the leader peptidase gene of Escherichia coli signal peptidases. Protein Sci. 6, 1129±1138 (1997). and the orientation of leader peptidase in the bacterial envelope. J. Biol. Chem. 258, 12073±12080 2. Kuo, D. W. et al. Escherichia coli leader peptidase: production of an active form lacking a requirement (1983). for detergent and development of peptide substrates. Arch. Biochem. Biophys. 303, 274±280 (1993). 28. Kraulis, P.G. Molscript: a program to produce both detailed and schematic plots of protein structures. 3. Tschantz, W. R. et al. Characterization of a soluble, catalytically active form of Escherichia coli leader J. Appl. Crystallogr. 24, 946±950 (1991). peptidase: requirement of detergent or phospholipid for optimal activity. Biochemistry 34, 3935±3941 29. Nicholls, A., Sharp, K. A. & Honig, B. Protein folding and association: insights from the interfacial and (1995). the thermodynamic properties of hydrocarbons. Proteins Struct. Funct. Genet. 11, 281±296 (1991). 4. Allsop, A. E. et al.inAnti-Infectives, Recent Advances in Chemistry and Structure-Activity Relationships 30. Meritt, E. A. & Bacon, D. J. Raster3D: photorealistic molecular graphics. Methods Enzymol. 277, 505± (eds Bently, P. H. & O'Hanlon, P. J.) 61±72 (R. Soc. Chem., Cambridge, 1997). -
The Reaction Mechanism of Phosphomannomutase in Plants
CORE Metadata, citation and similar papers at core.ac.uk Provided by Elsevier - Publisher Connector FEBS 18031 FEBS Letters 401 (1997) 35-37 The reaction mechanism of phosphomannomutase in plants Christine Oesterhelt, Claus Schnarrenberger, Wolfgang Gross* Institut für Pflanzenphysiologie und Mikrobiologie, Freie Universität Berlin, Königin-Luise-Str. 12-16a, D-14195 Berlin, Germany Received 11 November 1996 the presence of an excess of GIC-I.6-P2, purified PMM from G. sul- Abstract The enzyme phosphomannomutase catalyzes the phuraria, pig brain, and yeast was incubated with 1 mM GIC-I.6-P2 interconversion of mannose-1-phosphate (Man-l-P) and man- and 0.1 mM Man-l-P for 3 h at room temperature. The reaction nose-6-phosphate (Man-6-P). In mammalian cells the enzyme products were separated by TLC at pH 10 as described [8]. The has to be activated by transfer of a phosphate group from a corresponding regions for Man-l-P, Man-6-P, and Glc-6-P were sugar-1.6-P2 (Guha, S.K. and Rose, Z.B. (1985) Arch. Biochem. scraped off, the sugar phosphates eluted, and identified enzymatically. Biophys. 243, 168). In contrast, in the red alga Galdieria The concentration of Glc-6-P was determined by the addition of Glc- sulphuraria the co-substrate (Man-1.6-P2 or GIC-I.6-P2) is 6-P dehydrogenase and NADP. For Man-6-P determination PGI and PMI were included and for Man-l-P purified PMM from G. sulphu- converted to the corresponding sugar monophosphate while the raria was added. -
Multi-Enzymatic Cascades in the Synthesis of Modified Nucleosides
biomolecules Article Multi-Enzymatic Cascades in the Synthesis of Modified Nucleosides: Comparison of the Thermophilic and Mesophilic Pathways Ilja V. Fateev , Maria A. Kostromina, Yuliya A. Abramchik, Barbara Z. Eletskaya , Olga O. Mikheeva, Dmitry D. Lukoshin, Evgeniy A. Zayats , Maria Ya. Berzina, Elena V. Dorofeeva, Alexander S. Paramonov , Alexey L. Kayushin, Irina D. Konstantinova * and Roman S. Esipov Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry RAS, Miklukho-Maklaya 16/10, 117997 GSP, B-437 Moscow, Russia; [email protected] (I.V.F.); [email protected] (M.A.K.); [email protected] (Y.A.A.); [email protected] (B.Z.E.); [email protected] (O.O.M.); [email protected] (D.D.L.); [email protected] (E.A.Z.); [email protected] (M.Y.B.); [email protected] (E.V.D.); [email protected] (A.S.P.); [email protected] (A.L.K.); [email protected] (R.S.E.) * Correspondence: [email protected]; Tel.: +7-905-791-1719 ! Abstract: A comparative study of the possibilities of using ribokinase phosphopentomutase ! nucleoside phosphorylase cascades in the synthesis of modified nucleosides was carried out. Citation: Fateev, I.V.; Kostromina, Recombinant phosphopentomutase from Thermus thermophilus HB27 was obtained for the first time: M.A.; Abramchik, Y.A.; Eletskaya, a strain producing a soluble form of the enzyme was created, and a method for its isolation and B.Z.; Mikheeva, O.O.; Lukoshin, D.D.; chromatographic purification was developed. It was shown that cascade syntheses of modified nu- Zayats, E.A.; Berzina, M.Y..; cleosides can be carried out both by the mesophilic and thermophilic routes from D-pentoses: ribose, Dorofeeva, E.V.; Paramonov, A.S.; 2-deoxyribose, arabinose, xylose, and 2-deoxy-2-fluoroarabinose. -
The Microbiota-Produced N-Formyl Peptide Fmlf Promotes Obesity-Induced Glucose
Page 1 of 230 Diabetes Title: The microbiota-produced N-formyl peptide fMLF promotes obesity-induced glucose intolerance Joshua Wollam1, Matthew Riopel1, Yong-Jiang Xu1,2, Andrew M. F. Johnson1, Jachelle M. Ofrecio1, Wei Ying1, Dalila El Ouarrat1, Luisa S. Chan3, Andrew W. Han3, Nadir A. Mahmood3, Caitlin N. Ryan3, Yun Sok Lee1, Jeramie D. Watrous1,2, Mahendra D. Chordia4, Dongfeng Pan4, Mohit Jain1,2, Jerrold M. Olefsky1 * Affiliations: 1 Division of Endocrinology & Metabolism, Department of Medicine, University of California, San Diego, La Jolla, California, USA. 2 Department of Pharmacology, University of California, San Diego, La Jolla, California, USA. 3 Second Genome, Inc., South San Francisco, California, USA. 4 Department of Radiology and Medical Imaging, University of Virginia, Charlottesville, VA, USA. * Correspondence to: 858-534-2230, [email protected] Word Count: 4749 Figures: 6 Supplemental Figures: 11 Supplemental Tables: 5 1 Diabetes Publish Ahead of Print, published online April 22, 2019 Diabetes Page 2 of 230 ABSTRACT The composition of the gastrointestinal (GI) microbiota and associated metabolites changes dramatically with diet and the development of obesity. Although many correlations have been described, specific mechanistic links between these changes and glucose homeostasis remain to be defined. Here we show that blood and intestinal levels of the microbiota-produced N-formyl peptide, formyl-methionyl-leucyl-phenylalanine (fMLF), are elevated in high fat diet (HFD)- induced obese mice. Genetic or pharmacological inhibition of the N-formyl peptide receptor Fpr1 leads to increased insulin levels and improved glucose tolerance, dependent upon glucagon- like peptide-1 (GLP-1). Obese Fpr1-knockout (Fpr1-KO) mice also display an altered microbiome, exemplifying the dynamic relationship between host metabolism and microbiota.