EVALUATION OF THE RECOMBINANT M9 PROTEIN AS HAEMAGGLUTINATING ANTIGEN FOR SERODIAGNOSIS OF M. GALLISEPTICUM IN CHICKENS.
S, S., A, B., F, Z., El-biary, E. (2011). EVALUATION OF THE RECOMBINANT M9 PROTEIN AS HAEMAGGLUTINATING ANTIGEN FOR SERODIAGNOSIS OF M. GALLISEPTICUM IN CHICKENS.. EKB Journal Management System, 57(2), 235-242. doi: 10.21608/vmjg.2011.367820
Salama S; Badawi A; Zaki F; Elham El-biary. "EVALUATION OF THE RECOMBINANT M9 PROTEIN AS HAEMAGGLUTINATING ANTIGEN FOR SERODIAGNOSIS OF M. GALLISEPTICUM IN CHICKENS.". EKB Journal Management System, 57, 2, 2011, 235-242. doi: 10.21608/vmjg.2011.367820
S, S., A, B., F, Z., El-biary, E. (2011). 'EVALUATION OF THE RECOMBINANT M9 PROTEIN AS HAEMAGGLUTINATING ANTIGEN FOR SERODIAGNOSIS OF M. GALLISEPTICUM IN CHICKENS.', EKB Journal Management System, 57(2), pp. 235-242. doi: 10.21608/vmjg.2011.367820
S, S., A, B., F, Z., El-biary, E. EVALUATION OF THE RECOMBINANT M9 PROTEIN AS HAEMAGGLUTINATING ANTIGEN FOR SERODIAGNOSIS OF M. GALLISEPTICUM IN CHICKENS.. EKB Journal Management System, 2011; 57(2): 235-242. doi: 10.21608/vmjg.2011.367820

EVALUATION OF THE RECOMBINANT M9 PROTEIN AS HAEMAGGLUTINATING ANTIGEN FOR SERODIAGNOSIS OF M. GALLISEPTICUM IN CHICKENS.

Veterinary Medical Journal (Giza)
Volume 57, Issue 2, April 2009, Page 235-242  XML PDF (2.55 MB)
Document Type: Original Article
DOI: 10.21608/vmjg.2011.367820
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Authors
Salama S1; Badawi A1; Zaki F2; Elham El-biary2
1Central Laboratory for Evaluation of Vet. Biologics, Abbasia, Cairo.
2Central Laboratory for Evaluation of Vet. Biologics, Abbasia, Cairo
Abstract
This study focused on a prominent haemagglutination feature of the pathogenic M. gallisepticum, which have agglutinins that are immunogenic surface protein. M9 protein was prepared using cloning and expression technology and evaluated as haemagglutinating antigen. In comparing its haemagglutination properties with the whole cell antigen, the M9 protein showed somewhat less sensitivity starting after the first week post infection with M. gallisepticum strains and reaching the maximum reactivity at the seventh week post infection, while the whole cell antigen reached its maximum reactivity at the sixth week post infection. Regarding the specificity, both antigens are highly specific and showed no reactions with the M. synoviae antisera. The advantages of M9 protein as haemagglutinating antigen is that it could be used in different areas and is cheaper in preparation.
 
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