Comparison of Mycoplasma gallisepticum strains and identification of immunogenic integral membrane proteins with Triton X-114 by immunoblotting

Veterinary Microbiology
A P AvakianD H Ley

Abstract

Pooled chicken antisera from 33 and 77 days post Mycoplasma gallisepticum strain R contact-exposure reacted with cell proteins of 19 M. gallisepticum strains. These pooled antisera reacted with more proteins and with greater intensity to reference strains (R, PG31, S6, and A5969) and nine field strains than they did with six other field strains including three (703, 503, and 730) that have been described as serological variants. Following extraction with Triton X-114 the majority of immunogenic M. gallisepticum proteins partitioned exclusively or primarily into the detergent phase indicating that they are integral membrane proteins. This included three immunogenic species-specific proteins (p64, p56 and p26). M. gallisepticum p56 was detected, by immunoblotting, in 18 of 19 strains suggesting that it could serve as an antigen for serological tests. P26 was evident in 13 of 19 strains. Hyperimmune antiserum to p64 reacted with a 64 kDa protein in 19 M. gallisepticum strains, but did not react with seven other avian Mycoplasma spp. There was no evidence found supporting the view that p64 is the hemagglutinin of M. gallisepticum.

References

Sep 1, 1979·Proceedings of the National Academy of Sciences of the United States of America·H TowbinJ Gordon
Oct 1, 1984·Poultry Science·S L BrantonS H Kleven

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Citations

Nov 1, 1993·Veterinary Microbiology·R F Ross, T F Young
Jun 1, 1994·Veterinary Microbiology·F PoumaratM Boldini
May 1, 1996·Veterinary Microbiology·M SolsonaF Poumarat
Mar 3, 1998·Comparative Immunology, Microbiology and Infectious Diseases·H EllakanyL Stipkovits
Feb 13, 2001·Veterinary Microbiology·F Dufour-GesbertM Kobisch
Feb 21, 2003·Avian Pathology : Journal of the W.V.P.A·Dusan Bencina
Dec 1, 1992·Avian Pathology : Journal of the W.V.P.A·A P AvakianS H Kleven
May 17, 2008·Avian Pathology : Journal of the W.V.P.A·S K ReddyJ A Newman
Mar 29, 2008·Veterinary Microbiology·Rebeka Lucijana BercicDusan Bencina
Sep 1, 1992·Infection and Immunity·P F MarkhamK G Whithear

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