Phylotypes and Pathotypes of Diarrheagenic Escherichia coli of Gastroenteritis

Hussein Al-Dahmoshi, Hadi Sajid Abdulabbas, Noor Salman Al-Khafaji, Suhad Y. Abed and Huda Najh Al-Baroody

A chapter in Antimicrobial Stewardship - New Insights from IntechOpen

Abstract: Escherichia coli responsible for wide range of common bacterial infections, the frequent one is gastroenteritis. Bacterial gastroenteritis mainly attributed to diarrheagenic E. coli and accompanied by diarrhea and vomiting. Actually pathogenic E. coli can be classified according to the site of infection whether it be within intestine (called intestinal pathogenic E. coli InPEC) or cause infection outside intestine (called extraintestinal pathogenic E. coli ExPEC). They are assigned to 4 main phylogenetic groups: InPEC include A and B1 while ExPEC have B2 and D groups. Seven Pathotypes have been assigned: Enteropathogenic E. coli (EPEC), enterotoxigenic E. coli (ETEC), enterohemorrhagic (Shiga-toxin producing E. coli (EHEC/STEC), enteroaggregative E. coli (EAEC), diffusely adherent E. coli (DAEC), enteroinvasive E. coli (EIEC) and adherent invasive E. coli (AIEC). The patho-phylotyping of diarrheagenic E. coli interaction along with antibiotic resistance and biofilm formation capacity may be valuable insight to know real threat of this pathogen and this is tried to be covered with this chapter. The results revealed that the among DEC, EPEC and ETEC were assigned in high rate to B1 followed by A, B2, D, E, C and F while EAEC show different assignment: D followed by B2, A, B1, C, E and F. The other DEC pathotypes showed different styles.

Keywords: Pathotypes; phylotypes; E. coli; antibiotic resistance; biofilm; InPEC; ExPEC (search for similar items in EconPapers)
JEL-codes: I11 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:306778

DOI: 10.5772/intechopen.109860

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