Vi capsular polysaccharide, a linear homopolymer of alpha-1,4-linked N-acetylgalactosaminuronate, is characteristically produced by Salmonella enterica serovar Typhi. The Vi capsule covers the surface of the producing bacteria and serves as an virulence factor via inhibition of complement-mediated killing and promoting resistance against phagocytosis. Furthermore, Vi also represents a predominant protective antigen and plays a key role in the development of vaccines against typhoid fever. Herein, we reviewed the latest advances associated with the Vi polysaccharide, from its synthesis and transport within bacterial cells, mechanisms involved in virulence, immunological characteristics, and applications in vaccine, as well as its purification and detection methods.
机构:
Univ Vigo, Fac Biol, Area Immunol, Vigo 36310, SpainUniv Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Gonzalez-Fernandez, Africa
;
Faro, Jose
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Univ Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Inst Gulbenkian Ciencias, Estudos Avancados Oeiras, Oeiras, PortugalUniv Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Faro, Jose
;
Fernandez, Carmen
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Univ Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Univ Stockholm, WCI, Dept Immunol, Arrhenius Labs F554, S-10691 Stockholm, SwedenUniv Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
机构:
Univ Vigo, Fac Biol, Area Immunol, Vigo 36310, SpainUniv Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Gonzalez-Fernandez, Africa
;
Faro, Jose
论文数: 0引用数: 0
h-index: 0
机构:
Univ Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Inst Gulbenkian Ciencias, Estudos Avancados Oeiras, Oeiras, PortugalUniv Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Faro, Jose
;
Fernandez, Carmen
论文数: 0引用数: 0
h-index: 0
机构:
Univ Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain
Univ Stockholm, WCI, Dept Immunol, Arrhenius Labs F554, S-10691 Stockholm, SwedenUniv Vigo, Fac Biol, Area Immunol, Vigo 36310, Spain