1
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Artyszuk D, Jachymek W, Izdebski R, Gniadkowski M, Lukasiewicz J. The OL101 O antigen locus specifies a novel Klebsiella pneumoniae serotype O13 structure. Carbohydr Polym 2024; 326:121581. [PMID: 38142087 DOI: 10.1016/j.carbpol.2023.121581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/27/2023] [Accepted: 11/09/2023] [Indexed: 12/25/2023]
Abstract
Klebsiella pneumoniae is one of the priority objects for the development of new therapies against infections. The species has been perceived as of limited variety of O antigens (11 O serotypes identified to date). That trait makes lipopolysaccharide an attractive target for protective antibodies. Nowadays, K. pneumoniae O antigens encoding genes are often analysed by bioinformatic tools, such as Kaptive, indicating higher actual diversity of the O antigen loci. One of the novel K. pneumoniae O loci for which the antigen structure has not been elucidated so far is OL101. In this study, four clinical isolates predicted as OL101 were characterized and found to have the O antigen structure composed of β-Kdop-[→3)-α-l-Rhap-(1→4)-α-d-Glcp-(1→]n, representing a novel serotype O13. Identification of the β-Kdop terminus was based on the analysis of the complete LPS molecule by the HR-MAS NMR spectroscopy. The bioinformatic analysis of 71,377 K. pneumoniae genomes from public databases (July 2023) revealed a notable OL101 prevalence of 6.55 %.
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Affiliation(s)
- Daria Artyszuk
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Laboratory of Microbial Immunochemistry and Vaccines, 53-114 Wroclaw, Poland
| | - Wojciech Jachymek
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Laboratory of Microbial Immunochemistry and Vaccines, 53-114 Wroclaw, Poland
| | - Radosław Izdebski
- National Medicines Institute, Department of Molecular Microbiology, 00-725 Warsaw, Poland
| | - Marek Gniadkowski
- National Medicines Institute, Department of Molecular Microbiology, 00-725 Warsaw, Poland
| | - Jolanta Lukasiewicz
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Laboratory of Microbial Immunochemistry and Vaccines, 53-114 Wroclaw, Poland.
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2
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Solovev AS, Denisova EM, Kurbatova EA, Kutsevalova OY, Boronina LG, Ageevets VA, Sidorenko SV, Krylov VB, Nifantiev NE. Synthesis of methylphosphorylated oligomannosides structurally related to lipopolysaccharide O-antigens of Klebsiella pneumoniae serotype O3 and their application for detection of specific antibodies in rabbit and human sera. Org Biomol Chem 2023; 21:8306-8319. [PMID: 37794804 DOI: 10.1039/d3ob01203d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
Methylphosphorylated mono-, di- and trimannosides structurally related to the lipopolysaccharide (LPS) O-antigens of Klebsiella pneumoniae of serotype O3 were synthesized and conjugated with a biotin tag. The stereo- and regioselective assembly of target carbohydrate chains was conducted using uniform monosaccharide synthetic blocks. After that, a methylphosphate group was introduced by coupling with a methyl-H-phosphonate reagent followed by oxidation and deprotection to give the target oligosaccharides. The 1H and 13C NMR spectra of the obtained compounds showed a good fit with the spectrum of the corresponding natural polysaccharide. The newly prepared biotinylated oligosaccharides along with the previously reported biotinylated glycoconjugates related to galactan I and galactan II of K. pneumoniae LPS were used for the ELISA detection of antibodies in anti-K. pneumoniae rabbit sera. Anti-O3 serum antibodies specifically recognized the synthesized oligosaccharide ligands with terminal methylphosphomannosyl residues, whereas anti-O1 serum antibodies recognized the oligosaccharide related to K. pneumoniae galactan II. The analysis of human sera from patients with confirmed Klebsiella infection also revealed the presence of antibodies against the synthesized oligosaccharides in clinical cases. Thus, the described compounds together with other Klebsiella related antigenic oligosaccharides could be potentially used as molecular probes for K. pneumoniae serological diagnostics development and strain serotyping.
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Affiliation(s)
- Arsenii S Solovev
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russian Federation
| | - Evgeniya M Denisova
- Laboratory of Synthetic Glycovaccines, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russian Federation.
| | - Ekaterina A Kurbatova
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russian Federation
- Laboratory of Immunology, I. I. Mechnikov Research Institute for Vaccines and Sera, Moscow, Russia
| | - Olga Y Kutsevalova
- National Medical Research Center of Oncology, Laboratory of Clinical Microbiology, 14 Liniya Str., 63, 344037 Rostov-on-Don, Russia
| | - Liubov G Boronina
- Ural State Medical University, 3 Repina Str., 620028 Yekaterinburg, Russia
| | - Vladimir A Ageevets
- Pediatric Research and Clinical Center for Infectious Diseases, 9 Prof. Popov Street, 197022 Saint Petersburg, Russia
| | - Sergey V Sidorenko
- Pediatric Research and Clinical Center for Infectious Diseases, 9 Prof. Popov Street, 197022 Saint Petersburg, Russia
| | - Vadim B Krylov
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russian Federation
- Laboratory of Synthetic Glycovaccines, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russian Federation.
| | - Nikolay E Nifantiev
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russian Federation
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3
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Del Bino L, Østerlid KE, Wu DY, Nonne F, Romano MR, Codée J, Adamo R. Synthetic Glycans to Improve Current Glycoconjugate Vaccines and Fight Antimicrobial Resistance. Chem Rev 2022; 122:15672-15716. [PMID: 35608633 PMCID: PMC9614730 DOI: 10.1021/acs.chemrev.2c00021] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Antimicrobial resistance (AMR) is emerging as the next potential pandemic. Different microorganisms, including the bacteria Acinetobacter baumannii, Clostridioides difficile, Escherichia coli, Enterococcus faecium, Klebsiella pneumoniae, Neisseria gonorrhoeae, Pseudomonas aeruginosa, non-typhoidal Salmonella, and Staphylococcus aureus, and the fungus Candida auris, have been identified by the WHO and CDC as urgent or serious AMR threats. Others, such as group A and B Streptococci, are classified as concerning threats. Glycoconjugate vaccines have been demonstrated to be an efficacious and cost-effective measure to combat infections against Haemophilus influenzae, Neisseria meningitis, Streptococcus pneumoniae, and, more recently, Salmonella typhi. Recent times have seen enormous progress in methodologies for the assembly of complex glycans and glycoconjugates, with developments in synthetic, chemoenzymatic, and glycoengineering methodologies. This review analyzes the advancement of glycoconjugate vaccines based on synthetic carbohydrates to improve existing vaccines and identify novel candidates to combat AMR. Through this literature survey we built an overview of structure-immunogenicity relationships from available data and identify gaps and areas for further research to better exploit the peculiar role of carbohydrates as vaccine targets and create the next generation of synthetic carbohydrate-based vaccines.
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Affiliation(s)
| | - Kitt Emilie Østerlid
- Leiden Institute of Chemistry, Leiden University, 2300 RA Leiden, The Netherlands
| | - Dung-Yeh Wu
- Leiden Institute of Chemistry, Leiden University, 2300 RA Leiden, The Netherlands
| | | | | | - Jeroen Codée
- Leiden Institute of Chemistry, Leiden University, 2300 RA Leiden, The Netherlands
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4
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Traboni S, Vessella G, Bedini E, Iadonisi A. Solvent-free, under air selective synthesis of α-glycosides adopting glycosyl chlorides as donors. Org Biomol Chem 2021; 18:5157-5163. [PMID: 32583825 DOI: 10.1039/d0ob01024c] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
α-Glycosides are highly relevant synthetic targets due to their abundance in natural oligosaccharides involved in many biological processes. Nevertheless their preparation is hampered by several issues, due to both the strictly anhydrous conditions typically required in glycosylation procedures and the non-trivial achievement of high α-stereoselectivity, one of the major challenges in oligosaccharide synthesis. In this paper we report a novel and efficient approach for the highly stereoselective synthesis of α-glycosides. This is based on the unprecedented solvent-free combination of triethylphosphite, tetrabutylammonium bromide and N,N-diisopropylethylamine for the activation of glycosyl chlorides under air. Despite the relative stability of glycosyl chlorides with respect to more reactive halide donors, the solvent-free procedure allowed a wide set of α-glycosides, including biorelevant fragments, to be obtained in much shorter times compared with similar glycosylation approaches in solution. The presented method features a wide target scope and functional group compatibility, also serving with partially disarmed substrates, and it does not require a high stoichiometric excess of reagents nor the preparation of expensive precursors. The solvent-free glycosylation can be even directly performed from 1-hydroxy sugars without purification of the in situ generated chloride, providing an especially useful opportunity in the case of highly reactive and labile glycosyl donors.
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Affiliation(s)
- Serena Traboni
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, I-80126 Naples, Italy.
| | - Giulia Vessella
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, I-80126 Naples, Italy.
| | - Emiliano Bedini
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, I-80126 Naples, Italy.
| | - Alfonso Iadonisi
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, I-80126 Naples, Italy.
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5
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Abronina PI, Zinin AI, Malysheva NN, Karpenko MY, Kolotyrkina NG, Kononov LO. The Influence of Anomeric Configuration and Aglycone Structure on the Outcome of Acid‐Promoted Ring Contraction in 2,3‐Di‐
O
‐Silylated S‐Galactopyranosides. ChemistrySelect 2021. [DOI: 10.1002/slct.202101441] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Polina I. Abronina
- N.K. Kochetkov Laboratory of Carbohydrate Chemistry N.D. Zelinsky Institute of Organic Chemistry Leninsky prosp. 47 119991 Moscow Russian Federation
| | - Alexander I. Zinin
- N.K. Kochetkov Laboratory of Carbohydrate Chemistry N.D. Zelinsky Institute of Organic Chemistry Leninsky prosp. 47 119991 Moscow Russian Federation
| | - Nelly N. Malysheva
- N.K. Kochetkov Laboratory of Carbohydrate Chemistry N.D. Zelinsky Institute of Organic Chemistry Leninsky prosp. 47 119991 Moscow Russian Federation
| | - Maxim Y. Karpenko
- N.K. Kochetkov Laboratory of Carbohydrate Chemistry N.D. Zelinsky Institute of Organic Chemistry Leninsky prosp. 47 119991 Moscow Russian Federation
| | - Natalya G. Kolotyrkina
- N.K. Kochetkov Laboratory of Carbohydrate Chemistry N.D. Zelinsky Institute of Organic Chemistry Leninsky prosp. 47 119991 Moscow Russian Federation
| | - Leonid O. Kononov
- N.K. Kochetkov Laboratory of Carbohydrate Chemistry N.D. Zelinsky Institute of Organic Chemistry Leninsky prosp. 47 119991 Moscow Russian Federation
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6
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Dorokhova VS, Gerbst AG, Komarova BS, Previato JO, Previato LM, Dmitrenok AS, Shashkov AS, Krylov VB, Nifantiev NE. Synthesis and conformational analysis of vicinally branched trisaccharide β-d-Galf-(1 → 2)-[β-d-Galf-(1 → 3)-]-α-Galp from Cryptococcus neoformans galactoxylomannan. Org Biomol Chem 2021; 19:2923-2931. [PMID: 33471013 DOI: 10.1039/d0ob02071k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The synthesis of a vicinally branched trisaccharide composed of two d-galactofuranoside residues attached viaβ-(1 → 2)- and β-(1 → 3)-linkages to the α-d-galactopyranoside unit has been performed for the first time. The reported trisaccharide represents the galactoxylomannan moiety first described in 2017, which is the capsular polysaccharide of the opportunistic fungal pathogen Cryptococcus neoformans responsible for life-threatening infections in immunocompromised patients. The NMR-data reported here for the synthetic model trisaccharide are in good agreement with the previously assessed structure of galactoxylomannan and are useful for structural analysis of related polysaccharides. The target trisaccharide as well as the constituent disaccharides were analyzed by a combination of computational and NMR methods to demonstrate good convergence of the theoretical and experimental results. The results suggest that the furanoside ring conformation may strongly depend on the aglycon structure. The reported conformational tendencies are important for further analysis of carbohydrate-protein interaction, which is critical for the host response toward C. neoformans infection.
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Affiliation(s)
- Vera S Dorokhova
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia.
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7
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Khatuntseva EA, Nifantiev NE. Glycoconjugate Vaccines for Prevention of Haemophilus influenzae Type b Diseases. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2021; 47:26-52. [PMID: 33776394 PMCID: PMC7980804 DOI: 10.1134/s1068162021010106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 11/23/2022]
Abstract
This review summarizes the experience in laboratory- and industrial-scale syntheses of glycoconjugate vaccines used for prevention of infectious diseases caused by Haemophilus influenzae type b bacteria based on the linear capsular polysaccharide poly-3-β-D-ribosyl-(1→1)-D-ribitol-5-phosphate (PRP) or related synthetic oligosaccharide ligands. The methods for preparation of related oligosaccharide derivatives and results of the studies evaluating effect of their length on immunogenic properties of the conjugates with protein carriers are overviewed.
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Affiliation(s)
- E A Khatuntseva
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
| | - N E Nifantiev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
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8
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Kurbatova EA, Akhmatova NK, Zaytsev AE, Akhmatova EA, Egorova NB, Yastrebova NE, Sukhova EV, Yashunsky DV, Tsvetkov YE, Nifantiev NE. Higher Cytokine and Opsonizing Antibody Production Induced by Bovine Serum Albumin (BSA)-Conjugated Tetrasaccharide Related to Streptococcus pneumoniae Type 3 Capsular Polysaccharide. Front Immunol 2020; 11:578019. [PMID: 33343566 PMCID: PMC7746847 DOI: 10.3389/fimmu.2020.578019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 11/05/2020] [Indexed: 01/31/2023] Open
Abstract
A number of studies have demonstrated the limited efficacy of S. pneumoniae type 3 capsular polysaccharide (CP) in the 13-valent pneumococcal conjugate vaccine against serotype 3 invasive pneumococcal diseases and carriage. Synthetic oligosaccharides (OSs) may provide an alternative to CPs for development of novel conjugated pneumococcal vaccines and diagnostic test systems. A comparative immunological study of di-, tri-, and tetra-bovine serum albumin (BSA) conjugates was performed. All oligosaccharides conjugated with biotin and immobilized on streptavidin-coated plates stimulated production of IL-1α, IL-2, IL-4, IL-5, IL-10, IFNγ, IL-17A, and TNFα, but not IL-6 and GM-CSF in monocultured mice splenocytes. The tetrasaccharide-biotin conjugate stimulated the highest levels of IL-4, IL-5, IL-10, and IFNγ, which regulate expression of specific immunoglobulin isotypes. The tetra-BSA conjugate adjuvanted with aluminum hydroxide elicited high levels of IgM, IgG1, IgG2a, and IgG2b antibodies (Abs). Anti-CP-induced Abs could only be measured using the biotinylated tetrasaccharide. The tetrasaccharide ligand possessed the highest binding capacity for anti-OS and antibacterial IgG Abs in immune sera. Sera to the tetra-BSA conjugate promoted greater phagocytosis of bacteria by neutrophils and monocytes than the CRM197-CP-antisera. Sera of mice immunized with the tetra-BSA conjugate exhibited the highest titer of anti-CP IgG1 Abs compared with sera of mice inoculated with the same doses of di- and tri-BSA conjugates. Upon intraperitoneal challenge with lethal doses of S. pneumoniae type 3, the tri- and tetra-BSA conjugates protected mice more significantly than the di-BSA conjugate. Therefore, it may be concluded that the tetrasaccharide ligand is an optimal candidate for development of a semi-synthetic vaccine against S. pneumoniae type 3 and diagnostic test systems.
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Affiliation(s)
- Ekaterina A. Kurbatova
- Laboratory of Therapeutic Vaccines, Mechnikov Research Institute for Vaccines and Sera, Moscow, Russia
| | - Nelli K. Akhmatova
- Laboratory of Therapeutic Vaccines, Mechnikov Research Institute for Vaccines and Sera, Moscow, Russia
| | - Anton E. Zaytsev
- Laboratory of Therapeutic Vaccines, Mechnikov Research Institute for Vaccines and Sera, Moscow, Russia
| | - Elina A. Akhmatova
- Laboratory of Glycoconjugate Chemistry, N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Nadezhda B. Egorova
- Laboratory of Therapeutic Vaccines, Mechnikov Research Institute for Vaccines and Sera, Moscow, Russia
| | - Natalya E. Yastrebova
- Laboratory of Therapeutic Vaccines, Mechnikov Research Institute for Vaccines and Sera, Moscow, Russia
| | - Elena V. Sukhova
- Laboratory of Glycoconjugate Chemistry, N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Dmitriy V. Yashunsky
- Laboratory of Glycoconjugate Chemistry, N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Yury E. Tsvetkov
- Laboratory of Glycoconjugate Chemistry, N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Nikolay E. Nifantiev
- Laboratory of Glycoconjugate Chemistry, N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
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9
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Gerbst AG, Krylov VB, Nifantiev NE. Conformational changes in common monosaccharides caused by per-O-sulfation. PURE APPL CHEM 2019. [DOI: 10.1515/pac-2018-1212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Abstract
Polysulfated carbohydrates play an important role in many biological processes because of their ability to bind to various protein receptors such as different growth factors, blood coagulation factors, adhesion lectins etc. Precise information about spatial organization of sulfated derivatives is of high demand for molecular modelling of such interactions as well as for understanding of the mechanism of pyranoside-into-furanoside rearrangement. In this review we summarize the changes recently revealed for the conformations of common pyranosides and furanosides upon total O-sulfation which were studied by means of NMR spectroscopy as well as molecular modelling. It was found that pentoses, being more flexible, undergo complete conformational chair inversion. Meanwhile, for hexoses the situation strongly depends on the monosaccharide configuration. Conformational changes are most pronounced in gluco-compounds though quantum chemical calculations helped to establish that no complete chair inversion occurred. In furanosides distortions of two types were observed: either the ring conformation or the conformation of the side chain changed. The presented data may be used for the analysis of chemical, physical and biological properties of sulfated carbohydrates.
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Affiliation(s)
- Alexey G. Gerbst
- Laboratory of Glycoconjugate Chemistry , N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences , Leninsky Prospect 47 , 119991 Moscow , Russia
| | - Vadim B. Krylov
- Laboratory of Glycoconjugate Chemistry , N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences , Leninsky Prospect 47 , 119991 Moscow , Russia
| | - Nikolay E. Nifantiev
- Laboratory of Glycoconjugate Chemistry , N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences , Leninsky Prospect 47 , 119991 Moscow , Russia
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10
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Argunov DA, Trostianetskaia AS, Krylov VB, Kurbatova EA, Nifantiev NE. Convergent Synthesis of Oligosaccharides Structurally Related to Galactan I and Galactan II ofKlebsiella Pneumoniaeand their Use in Screening of Antibody Specificity. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900389] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Dmitry A. Argunov
- Laboratory of Glycoconjugate Chemistry; N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky prospect 47 119991 Moscow Russian Federation
| | - Anastasiia S. Trostianetskaia
- Laboratory of Glycoconjugate Chemistry; N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky prospect 47 119991 Moscow Russian Federation
- Higher Chemical College; N.D. Zelinsky Institute of Organic Chemistry; D. I. Mendeleev University of Chemical Technology of Russia; Miusskaya sq. 9 125047 Moscow Russia
| | - Vadim B. Krylov
- Laboratory of Glycoconjugate Chemistry; N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky prospect 47 119991 Moscow Russian Federation
| | - Ekaterina A. Kurbatova
- Laboratory of Immunology; N.D. Zelinsky Institute of Organic Chemistry; I. I. Mechnikov Research Institute for Vaccines and Sera; Moscow Russia
| | - Nikolay E. Nifantiev
- Laboratory of Glycoconjugate Chemistry; N.D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; Leninsky prospect 47 119991 Moscow Russian Federation
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11
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Gerbst AG, Krylov VB, Argunov DA, Petruk MI, Solovev AS, Dmitrenok AS, Nifantiev NE. Influence of per-O-sulfation upon the conformational behaviour of common furanosides. Beilstein J Org Chem 2019; 15:685-694. [PMID: 30931009 PMCID: PMC6423562 DOI: 10.3762/bjoc.15.63] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 02/27/2019] [Indexed: 12/12/2022] Open
Abstract
The studies on the recently discovered pyranoside-into-furanoside rearrangement have led us to conformational investigations of furanosides upon their total sulfation. Experimental NMR data showed that in some cases drastic changes of the ring conformation occurred while sometimes only the conformation of the exocyclic C4-C5 linkage changed. Herein we describe a combined quantum chemical and NMR conformational investigation of three common monosaccharide furanosides as their propyl glycosides: α-mannose, β-glucose and β-galactose. Full exploration of the furanoside ring by means of ab initio calculations was performed and coupling constants were calculated for each of the low-energy conformers. The results demonstrated preferred trans-orientation of H4-H5 protons in the non-sulfated molecules which changed to gauche-orientation upon sulfation. The effect is less pronounced in the galactosides. For all the studied structures changes in the conformational distribution were revealed by quantum mechanical calculations, that explained the observed changes in intraring coupling constants occurring upon introduction of sulfates.
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Affiliation(s)
- Alexey G Gerbst
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russia
| | - Vadim B Krylov
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russia
| | - Dmitry A Argunov
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russia
| | - Maksim I Petruk
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russia
- M.V. Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Arsenii S Solovev
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russia
- M.V. Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Andrey S Dmitrenok
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russia
| | - Nikolay E Nifantiev
- Laboratory of Glycoconjugate Chemistry, N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 119991 Moscow, Russia
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12
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Gerbst AG, Krylov VB, Argunov DA, Dmitrenok AS, Nifantiev NE. Driving Force of the Pyranoside-into-Furanoside Rearrangement. ACS OMEGA 2019; 4:1139-1143. [PMID: 31459389 PMCID: PMC6648646 DOI: 10.1021/acsomega.8b03274] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 12/24/2018] [Indexed: 05/09/2023]
Abstract
Ab initio calculations of fully O-sulfated model monosaccharides, including common hexoses (glucose, galactose, fucose, and mannose) and pentoses (arabinose and xylose), were performed to study the energetic properties of the recently discovered pyranoside-into-furanoside (PIF) rearrangement. It was shown that the per-O-sulfated derivatives of furanoside isomers generally had lower energies than the corresponding per-O-sulfated pyranosides, while nonsulfated furanosides were always less favored than nonsulfated pyranosides. Mannose, which is known to be unreactive in PIF rearrangement, was the only exception. The results of the theoretical calculations were confirmed by experimental studies of monosaccharide models and explained the driving force of such unusual ring contraction process as PIF rearrangement. The conclusions of performed investigation can be used for prediction of new substrates applicability for PIF rearrangement.
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13
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Sweeney RP, Lowary TL. A Route to Polyprenol Pyrophosphate-Based Probes of O-Polysaccharide Biosynthesis in Klebsiella pneumoniae O2a. Org Lett 2019; 21:1050-1053. [PMID: 30681873 DOI: 10.1021/acs.orglett.8b04093] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
An approach for the assembly of polyprenol pyrophosphate-based probes of O-polysaccharide biosynthesis in Klebsiella pneumoniae serotype O2a is described. This convergent route features high-yielding, diastereoselective glycosylations and the late-stage installation of the polyprenol pyrophosphate moiety. Although applied to the synthesis of a nonasaccharide bearing a farnesyl group (1), the modular nature of the route makes it amenable to the synthesis of additional derivatives containing either larger glycans or different lipid domains.
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Affiliation(s)
- Ryan P Sweeney
- Alberta Glycomics Centre and Department of Chemistry , University of Alberta , Edmonton AB T6G 2G2 , Canada
| | - Todd L Lowary
- Alberta Glycomics Centre and Department of Chemistry , University of Alberta , Edmonton AB T6G 2G2 , Canada
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14
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Abronina PI, Malysheva NN, Litvinenko VV, Zinin AI, Kolotyrkina NG, Kononov LO. A Ring Contraction of 2,3-Di-O-Silylated Thiopyranosides To Give Thiofuranosides under Mildly Acidic Conditions. Org Lett 2018; 20:6051-6054. [DOI: 10.1021/acs.orglett.8b02424] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Polina I. Abronina
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky prosp., 47, Moscow 119991, Russian Federation
| | - Nelly N. Malysheva
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky prosp., 47, Moscow 119991, Russian Federation
| | - Veronika V. Litvinenko
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky prosp., 47, Moscow 119991, Russian Federation
| | - Alexander I. Zinin
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky prosp., 47, Moscow 119991, Russian Federation
| | - Natalya G. Kolotyrkina
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky prosp., 47, Moscow 119991, Russian Federation
| | - Leonid O. Kononov
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences, Leninsky prosp., 47, Moscow 119991, Russian Federation
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Abstract
Interactions between human lysozyme (HL) and the lipopolysaccharide (LPS) of Klebsiella pneumoniae O1, a causative agent of lung infection, were identified by surface plasmon resonance. To characterize the molecular mechanism of this interaction, HL binding to synthetic disaccharides and tetrasaccharides representing one and two repeating units, respectively, of the O-chain of this LPS were studied. pH-dependent structural rearrangements of HL after interaction with the disaccharide were observed through nuclear magnetic resonance. The crystal structure of the HL-tetrasaccharide complex revealed carbohydrate chain packing into the A, B, C, and D binding sites of HL, which primarily occurred through residue-specific, direct or water-mediated hydrogen bonds and hydrophobic contacts. Overall, these results support a crucial role of the Glu35/Asp53/Trp63/Asp102 residues in HL binding to the tetrasaccharide. These observations suggest an unknown glycan-guided mechanism that underlies recognition of the bacterial cell wall by lysozyme and may complement the HL immune defense function.
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Ananikov VP, Eremin DB, Yakukhnov SA, Dilman AD, Levin VV, Egorov MP, Karlov SS, Kustov LM, Tarasov AL, Greish AA, Shesterkina AA, Sakharov AM, Nysenko ZN, Sheremetev AB, Stakheev AY, Mashkovsky IS, Sukhorukov AY, Ioffe SL, Terent’ev AO, Vil’ VA, Tomilov YV, Novikov RA, Zlotin SG, Kucherenko AS, Ustyuzhanina NE, Krylov VB, Tsvetkov YE, Gening ML, Nifantiev NE. Organic and hybrid systems: from science to practice. MENDELEEV COMMUNICATIONS 2017. [DOI: 10.1016/j.mencom.2017.09.001] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Traboni S, Liccardo F, Bedini E, Giordano M, Iadonisi A. Solvent-free synthesis of glycosyl chlorides based on the triphenyl phosphine/hexachloroacetone system. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.03.068] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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