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Studies on the adsorption of certain medium proteins to Mycoplasma gallisepticum and their influence on agglutination and haemagglutination reactions

Published online by Cambridge University Press:  15 May 2009

Janet M. Bradbury
Affiliation:
Poultry Research Section, University of Liverpool Veterinary Field Station, ‘Leahurst’, Neston, Wirral, Cheshire
F. T. W. Jordan
Affiliation:
Poultry Research Section, University of Liverpool Veterinary Field Station, ‘Leahurst’, Neston, Wirral, Cheshire
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Serum proteins from Mycoplasma gallisepticum culture medium could be detected on the organisms as a result of incubation at low pH. Only certain of the serum proteins, including IgG and IgM, were found, and the adsorption appears to depress the haemagglutinating activity of the organisms. There was no obvious effect on slide agglutination (SA) sensitivity but an incidental finding was that brief acid treatment enhanced the SA sensitivity of an antigen prepared from a young culture.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1972

References

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