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003 EG-GiCUC
005 20250223032617.0
008 201020s2020 ua h f m 000 0 eng d
040 _aEG-GiCUC
_beng
_cEG-GiCUC
041 0 _aeng
049 _aDeposite
097 _aPh.D
099 _aCai01.10.10.Ph.D.2020.En.I
100 0 _aEnas Atef Shedeed Younis
245 1 0 _aImmunological studies on salmonellae isolated from different sources /
_cEnas Atef Shedeed Younis ; Supervised Jakeen Kamal Abdelhaleem Elgakee , Mahmoud Dardiri Elhariri , Soad Abdelaziz Abdelwanis
246 1 5 _aدراسات مناعيه على السالمونيلا المعزولة من مصادر مختلفة
260 _aCairo :
_bEnas Atef Shedeed Younis ,
_c2020
300 _a76 P. :
_bfacsmilies ;
_c25cm
502 _aThesis (Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Microbiology
520 _aSalmonella infection is a critical veterinary and medical problem world-wide and is a major issue in the food industry. Non-typhoidal Salmonella is known significantly as an important gastroenteritis-related pathogen. There is limited data specifically discussing the outer membrane proteins (OMPs), a distinguishable characteristic of Gram negative bacteria situated at host{u2013} bacterial interface and are significant for virulence, host immune responses and drug therapy targets. Enhanced diagnosis of live poultry colonized with Salmonella species is required to avoid food borne diseases. The widely available ELISA assays are currently based on O-antigens (LPS) mixture or Salmonella total cell lysate and are unorganized by cross-reaction. The present study is based on molecular characterization of OMPs among four Salmonella serovars (S.Typhimurium, S. Enteritidis, S. Kentucky and S. Anatum) using SDS-PAGE, the isolates were confirmed by culturing, biochemical, serological and molecular (real-time PCR targeting invA gene) identifications. The OMPs profiling showed more than 70 protein bands ranging in size from 208 kDa to below 16 kDa which were detected using Totallab 1D 12.2software. It is clear that all Salmonella strains had bands at 54-60 kDa, 45-53 kDa, 36-39 kDa and 26-31 kDa. Eleven strains had bands at 41-46 kDa and 33-35 kDa. Nine strains had bands at 61-69 kDa. Eight strains had bands at 135-145 kDa and 72-79 kDa. Seven strains had bands at 108-123 kDa and 83-91 kDa. In the Western blot analysis, the prepared hyper immune serum of each Salmonella serovars reacted with the outer membrane protein band 35kDa. The finding highlighted that the OMP 35kDa protein of studied salmonellae could be immune-response protein. An Indirect ELISA developed in this study holds promise as screening of poultry flocks for Salmonella infection
530 _aIssued also as CD
653 4 _aELISA
653 4 _aOuter Membrane Proteins
653 4 _aSalmonella
700 0 _aJakeen Kamal Abdelhaleem Elgakee ,
_eSupervisor
700 0 _aMahmoud Dardiri Elhariri ,
_eSupervisor
700 0 _aSoad Abdelaziz Abdelwanis ,
_eSupervisor
856 _uhttp://172.23.153.220/th.pdf
905 _aAmira
_eCataloger
905 _aNazla
_eRevisor
942 _2ddc
_cTH
999 _c78362
_d78362