History Table |
Isolate
Otype
Htype
Host
Locale
Date
Clinical
Source
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Strain name you are searching for (e.g. 86-24).
Somatic antigen type (O serogroup, e.g. O26).
Flagellar antigen type (H type, e.g. H11).
Human, other animal (e.g. cow), or environmental (e.g. food) source.
Country (state) in which the strains were originally isolated (e.g. USA)
Year of the original isolation of the strain (e.g. 1975).
Basic clinical information (e.g. 'D' = diarrhea; 'HUS' = hemolytic uremic syndrome).
Investigator (e.g. Karch) or organization (e.g. CDC) who provided the strain.
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Alias Table |
Look up table of alternative labels for strains. Returns Whittam lab accession number (TW0000) |
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Virulence Table |
Presence/absence of genes (pos/neg) These test are performed by gene probes or PCR |
Stx1
Stx2
Eae
Ehec
Ehly
KatP
EspP
EtpD
EAF
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Shiga toxin gene 1
Shiga toxin gene 2
intimin gene
EHEC plasmid (pO157)
Enterohemolysin gene
catalase gene
serine protease gene
EAF (EPEC adherence factor) plasmid
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Alleles (allele labels) These data are based on sequencing or RFLP. |
Stxa1
Stxa2
Eae
EspP
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allele designations (stx1a1,stx1a2, ..)
allele designations (stx2a1,stx2a2, ..)
allele designation (a-eae, b-eae, d-eae, g-eae)
allele designations (A, B, C ..)
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Other positive and negative tests |
pf27
iha
TAI
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PCR detection of uidA+92 mutation (Feng)
IrgA homolog adhesin gene (Tarr et al., in press)
tellurite resistance and adherence island (Tarr et al., in press)
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Phenotypes |
VT
Hemolysin
Hep2
FAS
AE
Sor
Gud
OtherPos
OtherNeg
Comments
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Cytotoxin expression detected in tissue culture
Production of lysis zone on blood agar
Pattern of adherence in cell culture (LA, local; DA, diffuse, AA autoaggregative)
Tissue culture assay for actin (pos/neg), in 3h or 6h assay
Attaching effacement observed in animal model (pos/neg)
Ability to ferment sorbitol in less than 4h (pos/neg)
Presence of absence of beta glucuronidase activity (pos/neg)
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ET Table |
Electromorph profiles from strains based on multilocus enzyme electrophoresis.
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