Escherichia coli: Difference between revisions
From IDWiki
Escherichia coli
No edit summary |
No edit summary |
||
Line 3: | Line 3: | ||
* Lactose-fermenting [[Has Gram stain::Gram-negative]] [[Has shape::bacillus]] within the [[Enterobacteriaceae]] |
* Lactose-fermenting [[Has Gram stain::Gram-negative]] [[Has shape::bacillus]] within the [[Enterobacteriaceae]] |
||
* Member of commensal gut flora |
* Member of commensal gut flora |
||
+ | |||
+ | === Classification === |
||
* Has multiple '''pathotypes''' |
* Has multiple '''pathotypes''' |
||
− | ** Extraintestinal pathogenic ''E. coli'' (ExPEC): causes UTI and neonatal meningitis |
+ | ** '''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 |
*** 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 toxins, causes watery and bloody diarrhea and can lead to HUS |
+ | ** '''Enterhemorrhagic ''E.coli'' (EHEC) and Shiga toxin-producing ''E. coli'' (STEC):''' produces Shiga 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 |
− | ** 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 |
− | ** Diffuse-adhering ''E. coli'' (DAEC): causes diarrhea |
+ | ** '''Diffuse-adhering ''E. coli'' (DAEC):''' causes diarrhea |
{{DISPLAYTITLE:''Escherichia coli''}} |
{{DISPLAYTITLE:''Escherichia coli''}} |
Revision as of 14:41, 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 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