Structure of the O-Antigen and Characterization of the O-Antigen Gene Cluster of Escherichia coli O108 Containing 5,7-Diacetamido-3,5,7,9-tetradeoxy-L-glycero-D-galacto-non-2-ulosonic (8-Epilegionaminic) Acid
被引:15
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作者:
Perepelov, A. V.
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Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Perepelov, A. V.
[1
]
Liu, Bin
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Nankai Univ, TEDA Sch Biol Sci & Biotechnol, TEDA, Tianjin 300457, Peoples R China
Nankai Univ, Tianjin Key Lab Microbial Funct Genom, TEDA Coll, TEDA, Tianjin 300457, Peoples R ChinaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Liu, Bin
[2
,3
]
Senchenkova, S. N.
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机构:
Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Senchenkova, S. N.
[1
]
Shashkov, A. S.
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Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Shashkov, A. S.
[1
]
Shevelev, S. D.
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Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Shevelev, S. D.
[1
]
Feng, Lu
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Nankai Univ, TEDA Sch Biol Sci & Biotechnol, TEDA, Tianjin 300457, Peoples R China
Nankai Univ, Tianjin Key Lab Microbial Funct Genom, TEDA Coll, TEDA, Tianjin 300457, Peoples R ChinaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Feng, Lu
[2
,3
]
Wang, Lei
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Nankai Univ, TEDA Sch Biol Sci & Biotechnol, TEDA, Tianjin 300457, Peoples R China
Nankai Univ, Tianjin Key Lab Microbial Funct Genom, TEDA Coll, TEDA, Tianjin 300457, Peoples R ChinaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Wang, Lei
[2
,3
]
Knirel, Y. A.
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Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Knirel, Y. A.
[1
]
机构:
[1] Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
[2] Nankai Univ, TEDA Sch Biol Sci & Biotechnol, TEDA, Tianjin 300457, Peoples R China
[3] Nankai Univ, Tianjin Key Lab Microbial Funct Genom, TEDA Coll, TEDA, Tianjin 300457, Peoples R China
On mild acid degradation of the lipopolysaccharide of Escherichia coli O108, the O-polysaccharide was isolated and studied by sugar analysis and one- and two-dimensional H-1- and C-13-NMR spectroscopy. The polysaccharide was found to contain an unusual higher sugar, 5,7-diacetamido-3,5,7,9-tetradeoxy-L-glycero-D-galacto-non-2-ulosonic acid (di-N-acetyl-8-epilegionaminic acid, 8eLeg5Ac7Ac). The following structure of the tetrasaccharide repeating unit of the polysaccharide was established: -> 4)-alpha-8eLegp5Ac7Ac-(2 -> 6)-alpha-D-Galp-(1 -> 3)-alpha-L-FucpNAc-(1 -> 3)-alpha-D-GlcpNAc-(1 ->. Functions of the E. coli O108 antigen biosynthetic genes, including seven putative genes for synthesis of 8eLeg5Ac7Ac, were assigned by sequencing the O-antigen gene cluster along with comparison with gene databases and known biosynthetic pathways for related nonulosonic acids.
机构:
Russian Acad Sci, Far E Branch, Pacific Inst Bioorgan Chem, Vladivostok 690022, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Nazarenko, E. L.
Perepelov, A. V.
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Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Stockholm Univ, Arrhenius Lab, Dept Organ Chem, S-10691 Stockholm, SwedenRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Perepelov, A. V.
Shevchenko, L. S.
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Russian Acad Sci, Far E Branch, Pacific Inst Bioorgan Chem, Vladivostok 690022, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Shevchenko, L. S.
Daeva, E. D.
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Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Daeva, E. D.
Ivanova, E. P.
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Russian Acad Sci, Far E Branch, Pacific Inst Bioorgan Chem, Vladivostok 690022, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Ivanova, E. P.
Shashkov, A. S.
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Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, RussiaRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
Shashkov, A. S.
Widmalm, G.
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Stockholm Univ, Arrhenius Lab, Dept Organ Chem, S-10691 Stockholm, SwedenRussian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia