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Table 5 Fimbrial gene clusters found in safe strains and in representative Group B1 strains.

From: The genome sequence of E. coli W (ATCC 9637): comparative genome analysis and an improved genome-scale reconstruction of E. coli

Insertion site (W) Typea W K-12 B Crooks
Chromosome      
   yadN-ecpD-htrE-yadMLKC γ4 + + + ECs0145-ECs0139 b
   ecpABC-yagW-ecpE α + + + +
   sfmACDHF γ1 + + + +
   ybgDQPO π + + + +
   elfADCG-ycbUVF γ1 + + + +
   csgDEFG-csgBAC curli + + + +
   egoABCDEF γ1 + ΔegoABC ΔegoAB ΔegoAB
   yehDCBA γ4 + + - +
   esoABCDEFGH π + yfcOPQRSTUV yfcOPQRSTUV yfcOPQRSTUV
   ygiL-yqiGHI π + IS2::yqiG + +
   eafABCD α + - - +
   yraHIJK γ1 + + + +
   gltF-yhcFc β - IS5::yhcE - -
   lpfABCDE γ1 + - - -
   lpfA2-D2 γ1 + - - -
   fimAICDFGH γ1 + + + IS3::fimG, *fimAICDF
   Plasmids      
   faeCDEFGH κ ΔfaeHIJ d - - -
  1. a Type based on [74]
  2. b Crooks contains a related γ4 fimbrial found in E. coli O157:H7 at this location
  3. c Cluster location in E. coli K-12 MG1655
  4. d Cluster located on W pRK1
  5. A '+'means the element is present; a '-' means the element is absent. Where some genes from the cluster are deleted, this is noted as e.g. egoABC. If a different gene fimbria gene cluster is present in the insertion site, the alternative gene cluster is noted. Safe laboratory strains are W (ATCC 9637), K-12 (MG1655), B (REL606), and Crooks (ATCC 8739). W is in phylogroup B1; K-12, B, and Crooks are in phylogroup A.