Abcam is committed to meeting high standards of ethical manufacturing and as such, we will be discontinuing this product, which has been generated by the ascites method, within the next year. We are sorry for any inconvenience this may cause. If you would like help finding an alternative product, please do not hesitate to contact our scientific support team.
Shipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid repeated freeze / thaw cycles.
Preservative: 0.02% Proclin
Constituents: Tris HCl, Sodium citrate, pH 7.0
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
ELISA: Use at an assay dependent dilution.
WB: 1/1000. Predicted molecular weight: 42 kDa.
This antibody has only been tested in WB against the recombinant fragment used as immunogen. We have no data on the detection of endogenous protein.
Not yet tested in other applications.
Optimal dilutions/concentrations should be determined by the end user.
E. coli O157:H7 is an enterohemorrhagic strain of the bacterium E. coli and a cause of foodborne illness. It is a gram negative rod shaped bacterium. The letter "O" (not a zero) in the name refers to the somatic antigen number, whereas the "H" refers to the flagella antigen.
E. coli O157:H7 is markedly different from other pathogenic E. coli. In particular, the O157:H7 serotype is negative for invasiveness (sereny test), elaborates no colonization factors (CFA/I or CFA/II), doesn't produce heat stable or heat labile toxins and is non-hemolytic. In addition, E. coli O157:H7 is usually sorbitol negative whereas 93% of all E. coli ferment sorbitol. E. coli O157:H7 also lacks the ability to hydrolyze 4-methylumbelliferyl-beta-D-glucuronide (MUG) and does not grow at 45°C in the presence of 0.15% bile salts. Because of the latter characteristic this serotype cannot be isolated by using standard fecal coliform methods that include incubation at 45°C.