Abstract

The pathogenic Escherichia coli can be parsed into specific variants (pathovars) depending on their phenotypic behavior and/or expression of specific virulence factors. These pathogens are built around chromosomally-encoded core attributes and through acquisition of specific virulence genes that direct their interaction with the host. Engagement of E. coli pathovars with CEACAMs is determined both by core elements common to all E. coli as well as extrachromosomally-encoded pathovar-specific virulence traits, which target amino terminal immunoglobulin variable-like (IgV) regions of CEACAMs. Emerging data suggests that engagement of CEACAMs does not unilaterally benefit the pathogen and that these interactions may also provide an avenue for pathogen elimination.

Original languageEnglish
Article number1120331
JournalFrontiers in immunology
Volume14
DOIs
StatePublished - 2023

Keywords

  • Afa/dr family adhesins
  • CEACAM
  • Escherichia coli
  • ETEC (enterotoxigenic Escherichia coli)
  • type 1 fimbriae

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