This study aimed to determine the P.aeruginosa that causes infectionby molecular technique. Bacterial isolated and identificatedphenotypically and genotypically, and their antibiogram detection. Onehundred clinical specimens were collected from patients suffering fromdifferent clinical infections during the period from September 2024 toJanuary 2024 in AL-Sadder Medical city. The identification of theP.aeruginosa isolates depended on colonial morphology, microscopicexamination and biochemical tests. P.aeruginosa had the ability toproduce capsule, biofilm , adhesion, protease, bacteriocin, haemolysin,B-lactamase and gelatinase. Regard to molecular study 16 RNA geneappeared th at all isolates due to (100%) of P. aeruginosa isolatesTo conclusion that P. aeruginosa able to produce sever pathogenicitymarkers which responsible for pathogenicity of P.aeruginosa infections.
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