Escherichia coli: Difference between revisions
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Escherichia coli
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** '''Enteropathogenic ''E. coli'' (EPEC):''' produces localize adherence pilus, causes severe acute watery diarrhea that can become chronic |
** '''Enteropathogenic ''E. coli'' (EPEC):''' produces localize adherence pilus, causes severe acute watery diarrhea that can become chronic |
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** '''Enterotoxigenic ''E. coli'' (ETEC):''' produces enterotoxins, causes acute watery diarrhea |
** '''Enterotoxigenic ''E. coli'' (ETEC):''' produces enterotoxins, causes acute watery diarrhea |
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| − | ** '''Enterhemorrhagic ''E.coli'' (EHEC) and Shiga toxin-producing ''E. coli'' (STEC):''' produces Shiga toxins, causes watery and bloody diarrhea and can lead to HUS |
+ | ** '''Enterhemorrhagic ''E.coli'' (EHEC) and Shiga toxin-producing ''E. coli'' (STEC):''' produces Shiga (or related) toxins, causes watery and bloody diarrhea and can lead to HUS |
** '''Enteroaggregative ''E. coli'' (EAEC):''' produces adherence factors, causes mucoid diarrhea that can become chronic |
** '''Enteroaggregative ''E. coli'' (EAEC):''' produces adherence factors, causes mucoid diarrhea that can become chronic |
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** '''Enteroinvasive ''E. coli'' (EIEC):''' spreads cell-to-cell, causes watery diarrhea or dysentery |
** '''Enteroinvasive ''E. coli'' (EIEC):''' spreads cell-to-cell, causes watery diarrhea or dysentery |
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Revision as of 15:48, 5 December 2019
Background
Microbiology
- Lactose-fermenting Gram-negative bacillus within the Enterobacteriaceae
- Member of commensal gut flora
Classification
- Has multiple pathotypes
- Extraintestinal pathogenic E. coli (ExPEC): causes UTI and neonatal meningitis
- Strains that cause neonatal meningitis are more likely to produce K1 capsule and S fimbriae
- Enteropathogenic E. coli (EPEC): produces localize adherence pilus, causes severe acute watery diarrhea that can become chronic
- Enterotoxigenic E. coli (ETEC): produces enterotoxins, causes acute watery diarrhea
- Enterhemorrhagic E.coli (EHEC) and Shiga toxin-producing E. coli (STEC): produces Shiga (or related) toxins, causes watery and bloody diarrhea and can lead to HUS
- Enteroaggregative E. coli (EAEC): produces adherence factors, causes mucoid diarrhea that can become chronic
- Enteroinvasive E. coli (EIEC): spreads cell-to-cell, causes watery diarrhea or dysentery
- Diffuse-adhering E. coli (DAEC): causes diarrhea
- Extraintestinal pathogenic E. coli (ExPEC): causes UTI and neonatal meningitis
