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Maciejewska A, Bednarczyk B, Lugowski C, Lukasiewicz J. Structural Studies of the Lipopolysaccharide Isolated from Plesiomonas shigelloides O22:H3 (CNCTC 90/89). Int J Mol Sci 2020; 21:ijms21186788. [PMID: 32947917 PMCID: PMC7555982 DOI: 10.3390/ijms21186788] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/04/2020] [Accepted: 09/14/2020] [Indexed: 02/02/2023] Open
Abstract
Plesiomonas shigelloides is a Gram-negative, rod-shaped bacterium which causes foodborne intestinal infections, including gastroenteritis. It is one of the most frequent causes of travellers’ diarrhoea. Lipopolysaccharide (LPS, endotoxin), an important virulence factor of the species, is in most cases characterised by a smooth character, demonstrated by the presence of all regions, such as lipid A, core oligosaccharide, and O-specific polysaccharide, where the latter part determines O-serotype. P. shigelloides LPS is still a poorly characterised virulence factor considering a “translation” of the particular O-serotype into chemical structure. To date, LPS structure has only been elucidated for 15 strains out of 102 O-serotypes. Structures of the new O-specific polysaccharide and core oligosaccharide of P. shigelloides from the Czechoslovak National Collection of Type Cultures CNCTC 90/89 LPS (O22), investigated by chemical analysis, mass spectrometry, and 1H,13C nuclear magnetic resonance (NMR) spectroscopy, have now been reported. The pentasaccharide repeating unit of the O-specific polysaccharide is built of one d-QuipNAc and is rich in four d-GalpNAcAN residues. Moreover, the new core oligosaccharide shares common features of other P. shigelloides endotoxins, i.e., the lack of phosphate groups and the presence of uronic acids.
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2011-2012. MASS SPECTROMETRY REVIEWS 2017; 36:255-422. [PMID: 26270629 DOI: 10.1002/mas.21471] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 01/15/2015] [Indexed: 06/04/2023]
Abstract
This review is the seventh update of the original article published in 1999 on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2012. General aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, and fragmentation are covered in the first part of the review and applications to various structural types constitute the remainder. The main groups of compound are oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Much of this material is presented in tabular form. Also discussed are medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. © 2015 Wiley Periodicals, Inc. Mass Spec Rev 36:255-422, 2017.
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Affiliation(s)
- David J Harvey
- Department of Biochemistry, Oxford Glycobiology Institute, University of Oxford, Oxford, OX1 3QU, UK
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Pendrill R, Engström O, Volpato A, Zerbetto M, Polimeno A, Widmalm G. Flexibility at a glycosidic linkage revealed by molecular dynamics, stochastic modeling, and (13)C NMR spin relaxation: conformational preferences of α-L-Rhap-α-(1 → 2)-α-L-Rhap-OMe in water and dimethyl sulfoxide solutions. Phys Chem Chem Phys 2016; 18:3086-96. [PMID: 26741055 DOI: 10.1039/c5cp06288h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The monosaccharide L-rhamnose is common in bacterial polysaccharides and the disaccharide α-L-Rhap-α-(1 → 2)-α-L-Rhap-OMe represents a structural model for a part of Shigella flexneri O-antigen polysaccharides. Utilization of [1'-(13)C]-site-specific labeling in the anomeric position at the glycosidic linkage between the two sugar residues facilitated the determination of transglycosidic NMR (3)JCH and (3)JCC coupling constants. Based on these spin-spin couplings the major state and the conformational distribution could be determined with respect to the ψ torsion angle, which changed between water and dimethyl sulfoxide (DMSO) as solvents, a finding mirrored by molecular dynamics (MD) simulations with explicit solvent molecules. The (13)C NMR spin relaxation parameters T1, T2, and heteronuclear NOE of the probe were measured for the disaccharide in DMSO-d6 at two magnetic field strengths, with standard deviations ≤1%. The combination of MD simulation and a stochastic description based on the diffusive chain model resulted in excellent agreement between calculated and experimentally observed (13)C relaxation parameters, with an average error of <2%. The coupling between the global reorientation of the molecule and the local motion of the spin probe is deemed essential if reproduction of NMR relaxation parameters should succeed, since decoupling of the two modes of motion results in significantly worse agreement. Calculation of (13)C relaxation parameters based on the correlation functions obtained directly from the MD simulation of the solute molecule in DMSO as solvent showed satisfactory agreement with errors on the order of 10% or less.
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Affiliation(s)
- Robert Pendrill
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden.
| | - Olof Engström
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden.
| | - Andrea Volpato
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Padova 35131, Italy.
| | - Mirco Zerbetto
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Padova 35131, Italy.
| | - Antonino Polimeno
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Padova 35131, Italy.
| | - Göran Widmalm
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden.
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Abstract
After many years in the family Vibrionaceae, the genus Plesiomonas, represented by a single species, P. shigelloides, currently resides in the family Enterobacteriaceae, although its most appropriate phylogenetic position may yet to be determined. Common environmental reservoirs for plesiomonads include freshwater ecosystems and estuaries and inhabitants of these aquatic environs. Long suspected as being an etiologic agent of bacterial gastroenteritis, convincing evidence supporting this conclusion has accumulated over the past 2 decades in the form of a series of foodborne outbreaks solely or partially attributable to P. shigelloides. The prevalence of P. shigelloides enteritis varies considerably, with higher rates reported from Southeast Asia and Africa and lower numbers from North America and Europe. Reasons for these differences may include hygiene conditions, dietary habits, regional occupations, or other unknown factors. Other human illnesses caused by P. shigelloides include septicemia and central nervous system disease, eye infections, and a variety of miscellaneous ailments. For years, recognizable virulence factors potentially associated with P. shigelloides pathogenicity were lacking; however, several good candidates now have been reported, including a cytotoxic hemolysin, iron acquisition systems, and lipopolysaccharide. While P. shigelloides is easy to identify biochemically, it is often overlooked in stool samples due to its smaller colony size or relatively low prevalence in gastrointestinal samples. However, one FDA-approved PCR-based culture-independent diagnostic test system to detect multiple enteropathogens (FilmArray) includes P. shigelloides on its panel. Plesiomonads produce β-lactamases but are typically susceptible to many first-line antimicrobial agents, including quinolones and carbapenems.
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Affiliation(s)
- J Michael Janda
- Kern County Public Health Laboratory, Department of Public Health Services, Bakersfield, California, USA
| | - Sharon L Abbott
- Microbial Diseases Laboratory, California Department of Public Health, Richmond, California, USA
| | - Christopher J McIver
- Microbiology Department (SEALS), St. George Hospital, Kogarah, and School of Medical Sciences, University of New South Wales, NSW, Sydney, Australia
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NMR study of the O-specific polysaccharide and the core oligosaccharide from the lipopolysaccharide produced by Plesiomonas shigelloides O24:H8 (strain CNCTC 92/89). Molecules 2015; 20:5729-39. [PMID: 25834986 PMCID: PMC6272764 DOI: 10.3390/molecules20045729] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 03/13/2015] [Accepted: 03/17/2015] [Indexed: 11/20/2022] Open
Abstract
The structures of the O-specific polysacccharide and core oligosaccharide of the lipopolysaccharide from Plesiomonas shigelloides O24:H8, strain CNCTC 92/89, have been investigated by NMR spectroscopy and ESI mass spectrometry. The O-specific polysaccharide was found to be composed of a tetrasaccharide repeating unit consisting of [→3)-α-FucpNAc-(1→3)-α-GalpNAcA-(1→3)-α-QuipNAc-(1→] and of α-RhapNAc (1→4) linked to the GalpNAcA residue. An identical structure has been reported for the capsular polysaccharide of the clinical isolate of Vibrio vulnificus strain BO62316 [1]. The core oligosaccharide was composed of a decasaccharide which structure is identical with these in P. shigelloides serotype O54 [2] and serotype O37 [3].
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Pendrill R, Eriksson L, Widmalm G. Methyl 4-O-benzyl-α-l-rhamno-pyrano-side. Acta Crystallogr Sect E Struct Rep Online 2014; 70:o561-2. [PMID: 24860368 PMCID: PMC4011307 DOI: 10.1107/s1600536814007922] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 04/09/2014] [Indexed: 11/12/2022]
Abstract
In the title compound, C14H20O5, an inter-mediate in the synthesis of oligosaccharides, the glycosidic [H-C-O-C(H3)] torsion angle ϕH is 52.3° and the exo-cyclic [H-C-O-C(H2)] torsion angle θH is -11.7°. The hexa-pyran-ose ring has a chair conformation. In the crystal, mol-ecules are linked by O-H⋯O hydrogen bonds, forming chains propagating along [010]. Enclosed within the chains are R 3 (3)(12) ring motifs involving three mol-ecules. The chains are linked via C-H⋯π inter-actions, forming a three-dimensional network.
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Affiliation(s)
- Robert Pendrill
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden
| | - Lars Eriksson
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden
| | - Göran Widmalm
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden
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Hargreaves JM, Le Guen Y, Guerreiro C, Descroix K, Mulard LA. Linear synthesis of the branched pentasaccharide repeats of O-antigens from Shigella flexneri 1a and 1b demonstrating the major steric hindrance associated with type-specific glucosylation. Org Biomol Chem 2014; 12:7728-49. [DOI: 10.1039/c4ob01200c] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Shigella flexneri serotypes 1b and 1a are Gram-negative enteroinvasive bacteria causing shigellosis in humans.
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Affiliation(s)
- Jason M. Hargreaves
- Institut Pasteur
- Unité de Chimie des Biomolécules
- 75724 Paris Cedex 15, France
- CNRS UMR3523
- Institut Pasteur
| | - Yann Le Guen
- Institut Pasteur
- Unité de Chimie des Biomolécules
- 75724 Paris Cedex 15, France
- CNRS UMR3523
- Institut Pasteur
| | - Catherine Guerreiro
- Institut Pasteur
- Unité de Chimie des Biomolécules
- 75724 Paris Cedex 15, France
- CNRS UMR3523
- Institut Pasteur
| | - Karine Descroix
- Institut Pasteur
- Unité de Chimie des Biomolécules
- 75724 Paris Cedex 15, France
- CNRS UMR3523
- Institut Pasteur
| | - Laurence A. Mulard
- Institut Pasteur
- Unité de Chimie des Biomolécules
- 75724 Paris Cedex 15, France
- CNRS UMR3523
- Institut Pasteur
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Nestor G, Lukasiewicz J, Sandström C. Structural Analysis of the Core Oligosaccharide and the O-Specific Polysaccharide from thePlesiomonas shigelloidesO33:H3 (Strain CNCTC 34/89) Lipopolysaccharide. European J Org Chem 2013. [DOI: 10.1002/ejoc.201301399] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Aquilini E, Merino S, Tomás JM. The Plesiomonas shigelloides wbO1 gene cluster and the role of O1-antigen LPS in pathogenicity. Microb Pathog 2013; 63:1-7. [DOI: 10.1016/j.micpath.2013.05.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Revised: 05/14/2013] [Accepted: 05/22/2013] [Indexed: 10/26/2022]
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Affiliation(s)
- Vitor H. Pomin
- Program of
Glycobiology, Institute of Medical Biochemistry,
and University Hospital Clementino Fraga Filho, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-913,
Brazil
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The unique structure of complete lipopolysaccharide isolated from semi-rough Plesiomonas shigelloides O37 (strain CNCTC 39/89) containing (2S)-O-(4-oxopentanoic acid)-α-d-Glcp (α-d-Lenose). Carbohydr Res 2013; 378:98-107. [DOI: 10.1016/j.carres.2013.04.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Accepted: 04/15/2013] [Indexed: 11/21/2022]
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Das R, Mukhopadhyay B. Chemical synthesis of the tetrasaccharide repeating unit of the O-antigenic polysaccharide from Plesiomonas shigelloides strain AM36565. Carbohydr Res 2013; 376:1-6. [DOI: 10.1016/j.carres.2013.04.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 04/22/2013] [Accepted: 04/30/2013] [Indexed: 11/30/2022]
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Core oligosaccharide of Plesiomonas shigelloides PCM 2231 (Serotype O17) lipopolysaccharide--structural and serological analysis. Mar Drugs 2013; 11:440-54. [PMID: 23389090 PMCID: PMC3640391 DOI: 10.3390/md11020440] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Revised: 01/08/2013] [Accepted: 01/22/2013] [Indexed: 11/29/2022] Open
Abstract
The herein presented complete structure of the core oligosaccharide of lipopolysaccharide (LPS) P. shigelloides Polish Collection of Microorganisms (PCM) 2231 (serotype O17) was investigated by 1H, 13C NMR spectroscopy, mass spectrometry, chemical analyses and serological methods. The core oligosaccharide is composed of an undecasaccharide, which represents the second core type identified for P. shigelloides serotype O17 LPS. This structure is similar to that of the core oligosaccharide of P. shigelloides strains 302-73 (serotype O1) and 7-63 (serotype O17) and differs from these only by one sugar residue. Serological screening of 55 strains of P. shigelloides with the use of serum against identified core oligosaccharide conjugated with bovine serum albumin (BSA) indicated the presence of similar structures in the LPS core region of 28 O-serotypes. This observation suggests that the core oligosaccharide structure present in strain PCM 2231 could be the most common type among P. shigelloides lipopolysaccharides.
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Structural studies of the O-antigen polysaccharide from Escherichia coli TD2158 having O18 serogroup specificity and aspects of its interaction with the tailspike endoglycosidase of the infecting bacteriophage HK620. Carbohydr Res 2012; 357:118-25. [DOI: 10.1016/j.carres.2012.05.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Revised: 05/18/2012] [Accepted: 05/19/2012] [Indexed: 01/06/2023]
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Säwén E, Hinterholzinger F, Landersjö C, Widmalm G. Conformational flexibility of the pentasaccharide LNF-2 deduced from NMR spectroscopy and molecular dynamics simulations. Org Biomol Chem 2012; 10:4577-85. [PMID: 22572908 DOI: 10.1039/c2ob25189b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Human milk oligosaccharides (HMOs) are important as prebiotics since they stimulate the growth of beneficial bacteria in the intestine and act as receptor analogues that can inhibit the binding of pathogens. The conformation and dynamics of the HMO Lacto-N-fucopentaose 2 (LNF-2), α-L-Fucp-(1 → 4)[β-D-Galp-(1 → 3)]-β-D-GlcpNAc-(1 → 3)-β-D-Galp-(1 → 4)-D-Glcp, having a Lewis A epitope, has been investigated employing NMR spectroscopy and molecular dynamics (MD) computer simulations. 1D (1)H,(1)H-NOESY experiments were used to obtain proton-proton cross-relaxation rates from which effective distances were deduced and 2D J-HMBC and 1D long-range experiments were utilized to measure trans-glycosidic (3)J(CH) coupling constants. The MD simulations using the PARM22/SU01 force field for carbohydrates were carried out for 600 ns with explicit water as solvent which resulted in excellent sampling for flexible glycosidic torsion angles. In addition, in vacuo MD simulations were performed using an MM3-2000 force field, but the agreement was less satisfactory based on an analysis of heteronuclear trans-glycosidic coupling constants. LNF-2 has a conformationally well-defined region consisting of the terminal branched part of the pentasaccharide, i.e., the Lewis A epitope, and a flexible β-D-GlcpNAc-(1 → 3)-β-D-Galp-linkage towards the lactose unit, which is situated at the reducing end. For this β-(1 → 3)-linkage a negative ψ torsion angle is favored, when experimental NMR data is combined with the MD simulation in the analysis. In addition, flexibility on a similar time scale, i.e., on the order of the global overall molecular reorientation, may also be present for the ϕ torsion angle of the β-D-Galp-(1 → 4)-D-Glcp-linkage as suggested by the simulation. It was further observed from a temperature variation study that some (1)H NMR chemical shifts of LNF-2 were highly sensitive and this study indicates that Δδ/ΔT may be an additional tool for revealing conformational dynamics of oligosaccharides.
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Affiliation(s)
- Elin Säwén
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden
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