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Loss of O-antigen

The Complete Loss of O Antigen Leads to Severe Attenuation of Virulence... [Pg.143]

Clearly a number of differences could explain these divergent results. Boiling could cause loss of antigenicity but retention of activity in stimulating the formation of O . Alternately, the Cab might be attached to agarose beads and to erythrocytes in different ways so that different parts of the molecule were exposed to the PMNs. The assays used to detect contamination of Cab by IgG may also differ in sensitivity (immunofluorescence vs. gel electrophoresis of isolated Ca). [Pg.41]

The O allele has undergone a mutation causing a phase shift, and produces no active enzyme. The red blood cells of type O individuals contain neither the A nor the B antigen. This is why people with type O blood are universal donors in blood transfusions. The loss of activity of the protein does not seem to carry any adverse consequences. [Pg.660]

See other pages where Loss of O-antigen is mentioned: [Pg.138]    [Pg.143]    [Pg.242]    [Pg.244]    [Pg.138]    [Pg.143]    [Pg.242]    [Pg.244]    [Pg.313]    [Pg.304]    [Pg.284]    [Pg.277]    [Pg.238]    [Pg.15]    [Pg.206]    [Pg.15]    [Pg.183]    [Pg.171]    [Pg.192]    [Pg.141]    [Pg.141]    [Pg.144]    [Pg.339]    [Pg.132]    [Pg.119]    [Pg.89]    [Pg.144]    [Pg.307]    [Pg.63]    [Pg.381]    [Pg.75]    [Pg.266]    [Pg.69]    [Pg.169]    [Pg.173]    [Pg.11]    [Pg.256]    [Pg.285]    [Pg.286]    [Pg.313]    [Pg.276]    [Pg.127]    [Pg.146]    [Pg.205]    [Pg.264]    [Pg.271]    [Pg.195]    [Pg.264]    [Pg.124]   
See also in sourсe #XX -- [ Pg.242 , Pg.244 ]



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O-antigens

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