Mohamed Labib, H. (2025). COMPARISON OF PHYLOGENIC TREE AND GENE SEQUENCE OF SALMONELLA ENTERITIDIS ISOLATED FROM DIFFERENT BIRDS. Egyptian Poultry Science Journal, (), -. doi: 10.21608/epsj.2025.80685.1168
Heba Roshdy Mohamed Labib. "COMPARISON OF PHYLOGENIC TREE AND GENE SEQUENCE OF SALMONELLA ENTERITIDIS ISOLATED FROM DIFFERENT BIRDS". Egyptian Poultry Science Journal, , , 2025, -. doi: 10.21608/epsj.2025.80685.1168
Mohamed Labib, H. (2025). 'COMPARISON OF PHYLOGENIC TREE AND GENE SEQUENCE OF SALMONELLA ENTERITIDIS ISOLATED FROM DIFFERENT BIRDS', Egyptian Poultry Science Journal, (), pp. -. doi: 10.21608/epsj.2025.80685.1168
Mohamed Labib, H. COMPARISON OF PHYLOGENIC TREE AND GENE SEQUENCE OF SALMONELLA ENTERITIDIS ISOLATED FROM DIFFERENT BIRDS. Egyptian Poultry Science Journal, 2025; (): -. doi: 10.21608/epsj.2025.80685.1168
COMPARISON OF PHYLOGENIC TREE AND GENE SEQUENCE OF SALMONELLA ENTERITIDIS ISOLATED FROM DIFFERENT BIRDS
Articles in Press, Accepted Manuscript, Available Online from 19 May 2025
bacteriology,Reference Laboratory for Veterinary Quality Control on Poultry Production, Animal Health Research Institute, Ministry of Agriculture.
Abstract
Salmonella is a Gram-negative bacteria responsible for a wide variety of infectious diseases: typhoid fever, gastroenteritis, food poisoning and septicaemia. Multiple genes required for full virulence of Salmonella strains are encoded on Salmonella pathogenicity islands and could be acquired by horizontal transfer from other organisms. The present study was performed on a total of 100 samples from diseased and apparently healthy quail came from governorates (Giza, Cairo, Domietta and kafrelsheik). Collected samples included different organs (liver, heart, lung, and bone marrow). And a comparison between the genetic tree and gene sequences of Salmonella isolated from {chicken-ducks and rabbit}. The bacteriological examination revealed that out of 100 collected samples, 22 samples (22 %) were positive for Salmonella isolation. the serotyping of Salmonella species isolates showed a major variety of serotypes which included Salmonella Enteritidis (27.3%); Salmonella Typhimurium and Salmonella Senftenberg (22.8% for each ); Salmonella Agona, (18.1%) and Salmonella Magherafelt (9%) . The in-vitro antibiotic sensitivity test of Salmonella strains isolated from quails showed that (72.8%, 68.2%) of strains were resistant to Nalidixic acid and Streptomycin, but were sensitive to Gentamicin and Trimethoprim-sulfamethoxazole, (68.2%) of strains. Also, all Salmonella isolates showed multidrug resistance. We selected three strains to be sequenced with accession number MT267777 to MT267779 and it was resemble to Salmonella enterica subsp. enterica serovar Enteritidis strain from china, korea, Uk with 100% identitiy percent.
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