جۆری توێژینه‌وه‌: Original Article

نوسه‌ران

1 sciences Col

2 Dhi-Kar Univ.

پوخته‌

The aim of the present investigation was experimentally the ability of the virulence
plasmid of Salmonella Typhimurium isolated from fresh chicken foods in al- Najaf Al-ashraf
governorate to transfer between different isolates which might be the cause of variant diseases
in order to find new data about this objective that may help in study the control of infections
in humans.
S. typhimurium Lst1, Mst3 and Gst1 isolates ability to transfer t0 the transconjugant then
PCR results confirmed the frequency of spvA, pefA, rck and traT genes in E.coli
transconjugant (TLst1) were (12%), (30%), (8%) and (26%) respectively where in (TMst1)
transconjugant were(14%),(30%), (6%) and(28%) respectively, similar results appeared in
(TGst1) transconjugant that were (6%),(17%), (4%)and (18%) respectively therefore present
study revealed according to conjugation experiments results that the virulence plasmid of S.
typhimurium Lst1, Mst3 and Gst1 isolates were transmissible and perhaps lead to rapid
increase in virulence isolates among different bacterial species in Najaf governorate.

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