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Osawa T, Fujikawa K, Shimamoto K. Structures, functions, and syntheses of glycero-glycophospholipids. Front Chem 2024; 12:1353688. [PMID: 38389730 PMCID: PMC10881803 DOI: 10.3389/fchem.2024.1353688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
Biological membranes consist of integral and peripheral protein-associated lipid bilayers. Although constituent lipids vary among cells, membrane lipids are mainly classified as phospholipids, glycolipids, and sterols. Phospholipids are further divided into glycerophospholipids and sphingophospholipids, whereas glycolipids are further classified as glyceroglycolipids and sphingoglycolipids. Both glycerophospholipids and glyceroglycolipids contain diacylglycerol as the common backbone, but their head groups differ. Most glycerolipids have polar head groups containing phosphate esters or sugar moieties. However, trace components termed glycero-glycophospholipids, each possessing both a phosphate ester and a sugar moiety, exist in membranes. Recently, the unique biological activities of glycero-glycophospholipids have attracted considerable attention. In this review, we describe the structure, distribution, function, biosynthesis, and chemical synthetic approaches of representative glycero-glycophospholipids-phosphatidylglucoside (PtdGlc) and enterobacterial common antigen (ECA). In addition, we introduce our recent studies on the rare glycero-glyco"pyrophospho"lipid, membrane protein integrase (MPIase), which is involved in protein translocation across biomembranes.
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Affiliation(s)
- Tsukiho Osawa
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Kyoto, Japan
| | - Kohki Fujikawa
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Kyoto, Japan
| | - Keiko Shimamoto
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Kyoto, Japan
- Department of Chemistry, Graduate School of Science, Osaka University, Osaka, Japan
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Antibodies Recognizing Yersinia enterocolitica Lipopolysaccharides of Various Chemotypes in Synovial Fluids From Patients With Juvenile Idiopathic Arthritis. J Immunol Res 2022; 2022:9627934. [PMID: 36189145 PMCID: PMC9519298 DOI: 10.1155/2022/9627934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 08/01/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022] Open
Abstract
Yersinia enterocolitica O:3 (YeO3) is considered to be associated with reactive arthritis (ReA), and its lipopolysaccharide (LPS) has been detected in synovial fluids from patients. Interestingly, YeO3 wild-type LPS was processed by host cells, resulting in truncated LPS molecules presenting the core region. Previously, we reported the immunogenicity but not adjuvanticity of YeO3 LPSs of wild (S) type, Ra, Rd, or Re chemotypes in mice. Here, we demonstrate the presence of YeO3 LPS chemotype-specific antibodies in all analyzed synovial fluids (SF) from patients with juvenile idiopathic arthritis (JIA). Interestingly, the high titer of antibodies specific for the Kdo-lipid A region was found in most tested SF. In contrast, only a few were positive for antibodies recognizing O-specific polysaccharides. Western blot analysis revealed the presence of antibodies reacting with fast-migrating LPS fractions and enterobacterial common antigen (ECA) in synovial fluid samples. Our data also suggest the importance of LPS-associated ECA for the antigenicity of endotoxin. Furthermore, we confirmed in vitro that Yersinia LPS processing leads to the exposure of its core region and enhanced potency of complement lectin pathway activation.
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BtuB-Dependent Infection of the T5-like Yersinia Phage ϕR2-01. Viruses 2021; 13:v13112171. [PMID: 34834977 PMCID: PMC8624392 DOI: 10.3390/v13112171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/25/2021] [Accepted: 10/25/2021] [Indexed: 12/15/2022] Open
Abstract
Yersinia enterocolitica is a food-borne Gram-negative pathogen responsible for several gastrointestinal disorders. Host-specific lytic bacteriophages have been increasingly used recently as an alternative or complementary treatment to combat bacterial infections, especially when antibiotics fail. Here, we describe the proteogenomic characterization and host receptor identification of the siphovirus vB_YenS_ϕR2-01 (in short, ϕR2-01) that infects strains of several Yersinia enterocolitica serotypes. The ϕR2-01 genome contains 154 predicted genes, 117 of which encode products that are homologous to those of Escherichia bacteriophage T5. The ϕR2-01 and T5 genomes are largely syntenic, with the major differences residing in areas encoding hypothetical ϕR2-01 proteins. Label-free mass-spectrometry-based proteomics confirmed the expression of 90 of the ϕR2-01 genes, with 88 of these being either phage particle structural or phage-particle-associated proteins. In vitro transposon-based host mutagenesis and ϕR2-01 adsorption experiments identified the outer membrane vitamin B12 receptor BtuB as the host receptor. This study provides a proteogenomic characterization of a T5-type bacteriophage and identifies specific Y. enterocolitica strains sensitive to infection with possible future applications of ϕR2-01 as a food biocontrol or phage therapy agent.
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Abstract
The cell envelope is the first line of defense between a bacterium and the world-at-large. Often, the initial steps that determine the outcome of chemical warfare, bacteriophage infections, and battles with other bacteria or the immune system greatly depend on the structure and composition of the bacterial cell surface. One of the most studied bacterial surface molecules is the glycolipid known as lipopolysaccharide (LPS), which is produced by most Gram-negative bacteria. Much of the initial attention LPS received in the early 1900s was owed to its ability to stimulate the immune system, for which the glycolipid was commonly known as endotoxin. It was later discovered that LPS also creates a permeability barrier at the cell surface and is a main contributor to the innate resistance that Gram-negative bacteria display against many antimicrobials. Not surprisingly, these important properties of LPS have driven a vast and still prolific body of literature for more than a hundred years. LPS research has also led to pioneering studies in bacterial envelope biogenesis and physiology, mostly using Escherichia coli and Salmonella as model systems. In this review, we will focus on the fundamental knowledge we have gained from studies of the complex structure of the LPS molecule and the biochemical pathways for its synthesis, as well as the transport of LPS across the bacterial envelope and its assembly at the cell surface.
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Bozcal E, Dagdeviren M, Uzel A, Skurnik M. LuxCDE-luxAB-based promoter reporter system to monitor the Yersinia enterocolitica O:3 gene expression in vivo. PLoS One 2017; 12:e0172877. [PMID: 28235077 PMCID: PMC5325538 DOI: 10.1371/journal.pone.0172877] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 02/11/2017] [Indexed: 12/19/2022] Open
Abstract
It is crucial to understand the in vitro and in vivo regulation of the virulence factor genes of bacterial pathogens. In this study, we describe the construction of a versatile reporter system for Yersinia enterocolitica serotype O:3 (YeO3) based on the luxCDABE operon. In strain YeO3-luxCDE we integrated the luciferase substrate biosynthetic genes, luxCDE, into the genome of the bacterium so that the substrate is constitutively produced. The luxAB genes that encode the luciferase enzyme were cloned into a suicide vector to allow cloning of any promoter-containing fragment upstream the genes. When the obtained suicide-construct is mobilized into YeO3-luxCDE bacteria, it integrates into the recipient genome via homologous recombination between the cloned promoter fragment and the genomic promoter sequence and thereby generates a single-copy and stable promoter reporter. Lipopolysaccharide (LPS) O-antigen (O-ag) and outer core hexasaccharide (OC) of YeO3 are virulence factors necessary to colonization of the intestine and establishment of infection. To monitor the activities of the OC and O-ag gene cluster promoters we constructed the reporter strains YeO3-Poc::luxAB and YeO3-Pop1::luxAB, respectively. In vitro, at 37°C both promoter activities were highest during logarithmic growth and decreased when the bacteria entered stationary growth phase. At 22°C the OC gene cluster promoter activity increased during the late logarithmic phase. Both promoters were more active in late stationary phase. To monitor the promoter activities in vivo, mice were infected intragastrically and the reporter activities monitored by the IVIS technology. The mouse experiments revealed that both LPS promoters were well expressed in vivo and could be detected by IVIS, mainly from the intestinal region of orally infected mice.
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Affiliation(s)
- Elif Bozcal
- Istanbul University, Faculty of Science, Department of Biology, Basic and Industrial Microbiology Section, Istanbul, Turkey
- Ege University, Faculty of Science, Department of Biology, Basic and Industrial Microbiology Section, Izmir, Turkey
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Melih Dagdeviren
- Ege University, Faculty of Science, Department of Biology, General Biology Section, Izmir, Turkey
- Ege University, Center for Drug Research and Development and Pharmacokinetic Applications, Izmir, Turkey
| | - Atac Uzel
- Ege University, Faculty of Science, Department of Biology, Basic and Industrial Microbiology Section, Izmir, Turkey
| | - Mikael Skurnik
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
- Division of Clinical Microbiology, Helsinki University Hospital, HUSLAB, Helsinki, Finland
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Leon-Velarde CG, Happonen L, Pajunen M, Leskinen K, Kropinski AM, Mattinen L, Rajtor M, Zur J, Smith D, Chen S, Nawaz A, Johnson RP, Odumeru JA, Griffiths MW, Skurnik M. Yersinia enterocolitica-Specific Infection by Bacteriophages TG1 and ϕR1-RT Is Dependent on Temperature-Regulated Expression of the Phage Host Receptor OmpF. Appl Environ Microbiol 2016; 82:5340-53. [PMID: 27342557 PMCID: PMC4988191 DOI: 10.1128/aem.01594-16] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 06/17/2016] [Indexed: 11/20/2022] Open
Abstract
UNLABELLED Bacteriophages present huge potential both as a resource for developing novel tools for bacterial diagnostics and for use in phage therapy. This potential is also valid for bacteriophages specific for Yersinia enterocolitica To increase our knowledge of Y. enterocolitica-specific phages, we characterized two novel yersiniophages. The genomes of the bacteriophages vB_YenM_TG1 (TG1) and vB_YenM_ϕR1-RT (ϕR1-RT), isolated from pig manure in Canada and from sewage in Finland, consist of linear double-stranded DNA of 162,101 and 168,809 bp, respectively. Their genomes comprise 262 putative coding sequences and 4 tRNA genes and share 91% overall nucleotide identity. Based on phylogenetic analyses of their whole-genome sequences and large terminase subunit protein sequences, a genus named Tg1virus within the family Myoviridae is proposed, with TG1 and ϕR1-RT (R1RT in the ICTV database) as member species. These bacteriophages exhibit a host range restricted to Y. enterocolitica and display lytic activity against the epidemiologically significant serotypes O:3, O:5,27, and O:9 at and below 25°C. Adsorption analyses of lipopolysaccharide (LPS) and OmpF mutants demonstrate that these phages use both the LPS inner core heptosyl residues and the outer membrane protein OmpF as phage receptors. Based on RNA sequencing and quantitative proteomics, we also demonstrate that temperature-dependent infection is due to strong repression of OmpF at 37°C. In addition, ϕR1-RT was shown to be able to enter into a pseudolysogenic state. Together, this work provides further insight into phage-host cell interactions by highlighting the importance of understanding underlying factors which may affect the abundance of phage host receptors on the cell surface. IMPORTANCE Only a small number of bacteriophages infecting Y. enterocolitica, the predominant causative agent of yersiniosis, have been previously described. Here, two newly isolated Y. enterocolitica phages were studied in detail, with the aim of elucidating the host cell receptors required for infection. Our research further expands the repertoire of phages available for consideration as potential antimicrobial agents or as diagnostic tools for this important bacterial pathogen.
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Affiliation(s)
- Carlos G Leon-Velarde
- Laboratory Services Division, University of Guelph, Guelph, Ontario, Canada Department of Food Science, University of Guelph, Guelph, Ontario, Canada
| | - Lotta Happonen
- Department of Clinical Sciences Lund, Infection Medicine, Lund University, Lund, Sweden Institute of Biotechnology and Department of Biosciences, University of Helsinki, Helsinki, Finland
| | - Maria Pajunen
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Katarzyna Leskinen
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Andrew M Kropinski
- Department of Pathobiology, University of Guelph, Guelph, Ontario, Canada Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Laura Mattinen
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Monika Rajtor
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Joanna Zur
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Darren Smith
- Applied Sciences, University of Northumbria, Newcastle upon Tyne, United Kingdom
| | - Shu Chen
- Laboratory Services Division, University of Guelph, Guelph, Ontario, Canada
| | - Ayesha Nawaz
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Roger P Johnson
- National Microbiology Laboratory at Guelph, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Joseph A Odumeru
- Department of Food Science, University of Guelph, Guelph, Ontario, Canada
| | - Mansel W Griffiths
- Canadian Research Institute for Food Safety, University of Guelph, Guelph, Ontario, Canada Department of Food Science, University of Guelph, Guelph, Ontario, Canada
| | - Mikael Skurnik
- Department of Bacteriology and Immunology, Medicum, and Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland Division of Clinical Microbiology, Helsinki University Hospital, HUSLAB, Helsinki, Finland
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Shevchenko JI, Shilina JV, Pozur VK, Skurnik M. Effect of waaL ligase gene deletion on motility and stress adaptation reactions of Y. enterocolitica 6471/76. CYTOL GENET+ 2015. [DOI: 10.3103/s0095452715060092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Regulated Control of the Assembly and Diversity of LPS by Noncoding sRNAs. BIOMED RESEARCH INTERNATIONAL 2015; 2015:153561. [PMID: 26618164 PMCID: PMC4651636 DOI: 10.1155/2015/153561] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 10/07/2015] [Accepted: 10/13/2015] [Indexed: 01/31/2023]
Abstract
The outer membrane (OM) of Gram-negative bacteria is asymmetric due to the presence of lipopolysaccharide (LPS) facing the outer leaflet of the OM and phospholipids facing the periplasmic side. LPS is essential for bacterial viability, since it provides a permeability barrier and is a major virulence determinant in pathogenic bacteria. In Escherichia coli, several steps of LPS biosynthesis and assembly are regulated by the RpoE sigma factor and stress responsive two-component systems as well as dedicated small RNAs. LPS composition is highly heterogeneous and dynamically altered upon stress and other challenges in the environment because of the transcriptional activation of RpoE regulon members and posttranslational control by RpoE-regulated Hfq-dependent RybB and MicA sRNAs. The PhoP/Q two-component system further regulates Kdo2-lipid A modification via MgrR sRNA. Some of these structural alterations are critical for antibiotic resistance, OM integrity, virulence, survival in host, and adaptation to specific environmental niches. The heterogeneity arises following the incorporation of nonstoichiometric modifications in the lipid A part and alterations in the composition of inner and outer core of LPS. The biosynthesis of LPS and phospholipids is tightly coupled. This requires the availability of metabolic precursors, whose accumulation is controlled by sRNAs like SlrA, GlmZ, and GlmY.
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Kasperkiewicz K, Swierzko AS, Bartlomiejczyk MA, Cedzynski M, Noszczynska M, Duda KA, Michalski M, Skurnik M. Interaction of human mannose-binding lectin (MBL) with Yersinia enterocolitica lipopolysaccharide. Int J Med Microbiol 2015; 305:544-52. [PMID: 26188838 DOI: 10.1016/j.ijmm.2015.07.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The lipopolysaccharide (LPS) is involved in the interaction between Gram-negative pathogenic bacteria and host. Mannose-binding lectin (MBL), complement-activating soluble pattern-recognition receptor targets microbial glycoconjugates, including LPS. We studied its interactions with a set of Yersinia enterocolitica O:3 LPS mutants. The wild-type strain LPS consists of lipid A (LA) substituted with an inner core oligosaccharide (IC) which in turn is substituted either with the O-specific polysaccharide (OPS) or the outer core hexasaccharide (OC), and sometimes also with the enterobacterial common antigen (ECA). The LPS mutants produced truncated LPS, missing OPS, OC or both, or, in addition, different IC constituents or ECA. MBL bound to LA-IC, LA-IC-OPS and LA-IC-ECA but not LA-IC-OC structures. Moreover, LA-IC substitution with both OPS and ECA prevented the lectin binding. Sequential truncation of the IC heptoses demonstrated that the MBL targets the IC heptose region. Furthermore, microbial growth temperature influenced MBL binding; binding was stronger to bacteria grown at room temperature (22°C) than to bacteria grown at 37°C. In conclusion, our results demonstrate that MBL can interact with Y. enterocolitica LPS, however, the in vivo significance of that interaction remains to be elucidated.
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Affiliation(s)
- Katarzyna Kasperkiewicz
- Department of Microbiology, University of Silesia, Jagiellonska 28, PL 40-032 Katowice, Poland
| | - Anna S Swierzko
- Laboratory of Immunobiology of Infections, Institute of Medical Biology, Polish Academy of Sciences, Lodowa 106, PL 93-232 Lodz, Poland
| | - Marcin A Bartlomiejczyk
- Laboratory of Immunobiology of Infections, Institute of Medical Biology, Polish Academy of Sciences, Lodowa 106, PL 93-232 Lodz, Poland
| | - Maciej Cedzynski
- Laboratory of Immunobiology of Infections, Institute of Medical Biology, Polish Academy of Sciences, Lodowa 106, PL 93-232 Lodz, Poland.
| | - Magdalena Noszczynska
- Department of Microbiology, University of Silesia, Jagiellonska 28, PL 40-032 Katowice, Poland
| | - Katarzyna A Duda
- Division of Structural Biochemistry, Research Center Borstel, Priority Area Asthma and Allergies, Leibniz Center for Medicine and Biosciences, Parkallee 4a/c, D 23845 Borstel, Germany
| | - Mateusz Michalski
- Laboratory of Immunobiology of Infections, Institute of Medical Biology, Polish Academy of Sciences, Lodowa 106, PL 93-232 Lodz, Poland
| | - Mikael Skurnik
- Department of Bacteriology and Immunology, Haartman Institute, Research Programs Unit, Immunobiology, University of Helsinki, PO Box 21, Haartmaninkatu 3, FIN 00014 Helsinki, Finland; Helsinki University Central Hospital Laboratory Diagnostics, PO Box 21, Haartmaninkatu 3, FIN 00014 Helsinki, Finland
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Leskinen K, Li CM, Varjosalo M, Li Z, Skurnik M. Expression of the Yersinia enterocolitica O:3 LPS O-antigen and outer core gene clusters is RfaH-dependent. Microbiology (Reading) 2015; 161:1282-94. [DOI: 10.1099/mic.0.000076] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Noszczyńska M, Kasperkiewicz K, Duda KA, Podhorodecka J, Rabsztyn K, Gwizdała K, Świerzko AS, Radziejewska-Lebrecht J, Holst O, Skurnik M. Serological characterization of the enterobacterial common antigen substitution of the lipopolysaccharide of Yersinia enterocolitica O : 3. Microbiology (Reading) 2015; 161:219-227. [DOI: 10.1099/mic.0.083493-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Magdalena Noszczyńska
- Department of Microbiology, University of Silesia, Jagiellońska 28, PL- 40-032 Katowice, Poland
| | - Katarzyna Kasperkiewicz
- Department of Microbiology, University of Silesia, Jagiellońska 28, PL- 40-032 Katowice, Poland
| | - Katarzyna Anna Duda
- Division of Structural Biochemistry, Research Center Borstel, Leibniz-Center for Medicine and Biosciences, Borstel, Germany
| | - Joanna Podhorodecka
- Division of Structural Biochemistry, Research Center Borstel, Leibniz-Center for Medicine and Biosciences, Borstel, Germany
- Department of Microbiology, University of Silesia, Jagiellońska 28, PL- 40-032 Katowice, Poland
| | - Kamila Rabsztyn
- Department of Microbiology, University of Silesia, Jagiellońska 28, PL- 40-032 Katowice, Poland
| | - Karolina Gwizdała
- Department of Microbiology, University of Silesia, Jagiellońska 28, PL- 40-032 Katowice, Poland
| | - Anna Stanisława Świerzko
- Department of Immunobiology of Infections, Institute of Medical Biology, PAS, Lodowa 106, PL- 93-232 Łódź, Poland
| | | | - Otto Holst
- Division of Structural Biochemistry, Research Center Borstel, Leibniz-Center for Medicine and Biosciences, Borstel, Germany
| | - Mikael Skurnik
- Helsinki University Central Hospital Laboratory Diagnostics, FIN-00270 Helsinki, Finland
- Department of Bacteriology and Immunology, Haartman Institute, and Research Programs Unit, Immunobiology, University of Helsinki, FIN-00014, Helsinki, Finland
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Muszyński A, Rabsztyn K, Knapska K, Duda KA, Duda-Grychtoł K, Kasperkiewicz K, Radziejewska-Lebrecht J, Holst O, Skurnik M. Enterobacterial common antigen and O-specific polysaccharide coexist in the lipopolysaccharide of Yersinia enterocolitica serotype O : 3. Microbiology (Reading) 2013; 159:1782-1793. [DOI: 10.1099/mic.0.066662-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Artur Muszyński
- Department of Microbiology, University of Silesia, Katowice, Poland
| | - Kamila Rabsztyn
- Department of Microbiology, University of Silesia, Katowice, Poland
| | - Katarzyna Knapska
- Department of Bacteriology and Immunology, Haartman Institute, Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
| | - Katarzyna A. Duda
- Division of Structural Biochemistry, Research Center Borstel, Leibniz-Center for Medicine and Biosciences, Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Borstel, Germany
- Department of Microbiology, University of Silesia, Katowice, Poland
| | | | | | | | - Otto Holst
- Division of Structural Biochemistry, Research Center Borstel, Leibniz-Center for Medicine and Biosciences, Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Borstel, Germany
| | - Mikael Skurnik
- Helsinki University Central Hospital Laboratory Diagnostics, Helsinki, Finland
- Department of Bacteriology and Immunology, Haartman Institute, Research Programs Unit, Immunobiology, University of Helsinki, Helsinki, Finland
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Schulz BL, Jen FEC, Power PM, Jones CE, Fox KL, Ku SC, Blanchfield JT, Jennings MP. Identification of bacterial protein O-oligosaccharyltransferases and their glycoprotein substrates. PLoS One 2013; 8:e62768. [PMID: 23658772 PMCID: PMC3643930 DOI: 10.1371/journal.pone.0062768] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Accepted: 03/25/2013] [Indexed: 12/16/2022] Open
Abstract
O-glycosylation of proteins in Neisseria meningitidis is catalyzed by PglL, which belongs to a protein family including WaaL O-antigen ligases. We developed two hidden Markov models that identify 31 novel candidate PglL homologs in diverse bacterial species, and describe several conserved sequence and structural features. Most of these genes are adjacent to possible novel target proteins for glycosylation. We show that in the general glycosylation system of N. meningitidis, efficient glycosylation of additional protein substrates requires local structural similarity to the pilin acceptor site. For some Neisserial PglL substrates identified by sensitive analytical approaches, only a small fraction of the total protein pool is modified in the native organism, whereas others are completely glycosylated. Our results show that bacterial protein O-glycosylation is common, and that substrate selection in the general Neisserial system is dominated by recognition of structural homology.
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Affiliation(s)
- Benjamin L. Schulz
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Freda E. C. Jen
- Institute for Glycomics, Griffith University, Gold Coast, Queensland, Australia
| | - Peter M. Power
- Department of Paediatrics, University of Oxford, Oxford, Oxfordshire, United Kingdom
| | - Christopher E. Jones
- School of Science and Health, The University of Western Sydney, Penrith, New South Wales, Australia
| | - Kate L. Fox
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Shan C. Ku
- Institute for Glycomics, Griffith University, Gold Coast, Queensland, Australia
| | - Joanne T. Blanchfield
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Michael P. Jennings
- Institute for Glycomics, Griffith University, Gold Coast, Queensland, Australia
- * E-mail:
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Pajunen M, Pinta E, Skurnik M. Construction and Screening of a Transposon Insertion Library of Yersinia enterocolitica (YeO3-R1). Bio Protoc 2012. [DOI: 10.21769/bioprotoc.246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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15
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Skurnik M. Yersinia surface structures and bacteriophages. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2012; 954:293-301. [PMID: 22782776 DOI: 10.1007/978-1-4614-3561-7_37] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Mikael Skurnik
- Department of Bacteriology and Immunology, Haartman Institute, University of Helsinki, Finland.
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