ArticleInfection and immunity2001
Sequence analysis of four Shigella boydii O-antigen loci: implication for Escherichia coli and Shigella relationships.
Article in Infection and immunity, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 57 citations in OpenAlex.
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- Genetic analysis for the lack of expression of the O157 antigen in an O Rough:H7 Escherichia coli strain.Applied and environmental microbiology · 2010Article
- A killed, genetically engineered derivative of a wild-type extraintestinal pathogenic E. coli strain is a vaccine candidate.Vaccine · 2007Article
- Development of a serotype-specific DNA microarray for identification of some Shigella and pathogenic Escherichia coli strains.Journal of clinical microbiology · 2006Article
- Implications of new technology for infectious diseases practice.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2006Article
- Development of PCR assays targeting the genes involved in synthesis and assembly of the new Escherichia coli O 174 and O 177 O antigens.Journal of clinical microbiology · 2005Article
- Identification of genes required for avian Escherichia coli septicemia by signature-tagged mutagenesis.Infection and immunity · 2005Article
- Structural and genetic characterization of the Shigella boydii type 10 and type 6 O antigens.Journal of bacteriology · 2005Article
- The core lipopolysaccharide of Escherichia coli is a ligand for the dendritic-cell-specific intercellular adhesion molecule nonintegrin CD209 receptor.Journal of bacteriology · 2005Article
- Molecular evolutionary relationships of enteroinvasive Escherichia coli and Shigella spp.Infection and immunity · 2004Article
- Structural and genetic characterization of the Shigella boydii type 13 O antigen.Journal of bacteriology · 2004Article
- Human neutrophil chemotaxis is modulated by capsule and O antigen from an extraintestinal pathogenic Escherichia coli strain.Infection and immunity · 2003Article
- Complete genome sequence and comparative genomics of Shigella flexneri serotype 2a strain 2457T.Infection and immunity · 2003Article
- Phylogenetic analysis of Salmonella, Shigella, and Escherichia coli strains on the basis of the gyrB gene sequence.Journal of clinical microbiology · 2002Article
- Relationship of Yersinia pseudotuberculosis O antigens IA, IIA, and IVB: the IIA gene cluster was derived from that of IVB.Infection and immunity · 2002Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Shigella strains are in reality clones of Escherichia coli and are believed to have emerged relatively recently (G. M. Pupo, R. Lan, and P. R. Reeves, Proc. Natl. Acad. Sci. USA 97:10567-10572, 2000). There are 33 O-antigen forms in these Shigella clones, of which 12 are identical to O antigens of other E. coli strains. We sequenced O-antigen gene clusters from Shigella boydii serotypes 4, 5, 6, and 9 and also studied the O53- and O79-antigen gene clusters of E. coli, encoding O antigens identical to those of S. boydii serotype 4 and S. boydii serotype 5, respectively. In both cases the S. boydii and E. coli O-antigen gene clusters have the same genes and organization. The clusters of both S. boydii 6 and S. boydii 9 O antigens have atypical features, with a functional insertion sequence and a wzx gene located in the orientation opposite to that of all other genes in S. boydii serotype 9 and an rmlC gene located away from other rml genes in S. boydii serotype 6. Sequences of O-antigen gene clusters from another three Shigella clones have been published, and two of them also have abnormal structures, with either the entire cluster or one gene being located on a plasmid in Shigella sonnei or Shigella dysenteriae, respectively. It appears that a high proportion of clusters coding for O antigens specific to Shigella clones have atypical features, perhaps indicating recent formation of these gene clusters.
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