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The Prevalence of pilA and algD Virulence Genes in Pseudomonas aeruginosa Urinary Tract and Tracheal Isolates

[ Vol. 17 , Issue. 2 ]


Hassan Valadbeigi, Nourkhoda Sadeghifard* and Majid B. Salehi   Pages 86 - 89 ( 4 )


P. aeruginosa is one of the bacteria opportunistic that played main role in pathogenicity of patient in urinary tract infection (UTI) and respiratory tract infections. So, the aim of this study was to evaluate the prevalence of virulence genes including algD and pilA among Pseudomonas aeruginosa in urinary tract infection and tracheal isolates. After DNA extraction of clinical isolates, polymerase chain reaction was performed, and the results highlighted algD in all isolates, while pilA was dominant in tracheal isolates. We concluded that pathogenicity of urinary tract infection isolates is more than tracheal isolates, but future studies should confirm this.


Pseudomonas aeruginosa, virulence genes, algD, pilA, Respiratory track, polymerase.


Department of Microbiology, Shiraz Branch, Islamic Azad University, Shiraz, Clinical Microbiology Research Center, Ilam University of Medical Sciences, Ilam, Department of Microbiology, Kazeroun Branch, Islamic Azad University, Kazeroun

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