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Journal:   JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES   SPRING 2012 , Volume 20 , Number 1; Page(s) 58 To 64.
 
Paper: 

A Study On The Frequency Of Toxin A, Alginate Genes, And Of Clinical Pseudomonas Aeroginosa Strains
 
 
Author(s):  Valadbeigi H., Sadeghifard N.*, Rafiei Tabatabaei R., Maleki A.
 
* CLINICAL MICROBIOLOGY RESEARCH CENTER, ILAM UNIVERSITY OF MEDICAL SCIENCES, ILAM, IRAN
 
Abstract: 
Introduction: Pseudomonas aeruginosa is an opportunistic pathogen and one of the most frequent pathogens in nosocomial infections. It causes different types of infections including urinary tract infections and Bacteremiae. This bacterium has many pathogenic factors including, exotoxin A, lipopolysacharide, phospholipase C, pili, elastase and alkaline protease. In this study, frequency of exotoxin A and alginate genes in clinical pseudomonas aeroginosa strains isolated from nosocomial infections were analysed.Materials & Methods: 50 Pseudomonas aeroginosa strains were isolated in clinical samples of Ilam hospitals and Milad hospital in Tehran. The isolates were identified by biochemical methods, afterwards DNAs were extracted. Next, using special primers for exotoxin A and alginate genes PCR was applied to detect the presence or non-presence of the related geres.Findings: According to PCR results, 37 isolates (74%) and 46 ones (92%) had exotoxin A and alginate respectively.Among Pseudomonas aeroginosa strains isolated from urinary tract infections including 30 isolates, exotoxin A and alginate genes were observed in 21 (70%), and 26 (86.6%) isolates, respectively. Also, in other strains isolated from burn wound infections including 20 isolates, exotoxin A and alginate genes were detected in 16 (80%) and 20 (100%) isolates.Discussion & Conclusion: The results of our study confirm that exotoxin A and alginate genes presence is considered an important virulence factor of pseudomonas aeruginosa. The results of our study showed that alginate gene is so important in pseudomonas aeroginosa strains isolated from urinary tract infections and burn wound infections.
 
Keyword(s): PSEUDOMONAS AERUGINOSA, EXOTOXIN A, ALGINATE
 
 
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APA: Copy

VALADBEIGI, H., & SADEGHIFARD, N., & RAFIEI TABATABAEI, R., & MALEKI, A. (2012). A STUDY ON THE FREQUENCY OF TOXIN A, ALGINATE GENES, AND OF CLINICAL PSEUDOMONAS AEROGINOSA STRAINS. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, 20(1), 58-64. https://www.sid.ir/en/journal/ViewPaper.aspx?id=274349



Vancouver: Copy

VALADBEIGI H., SADEGHIFARD N., RAFIEI TABATABAEI R., MALEKI A.. A STUDY ON THE FREQUENCY OF TOXIN A, ALGINATE GENES, AND OF CLINICAL PSEUDOMONAS AEROGINOSA STRAINS. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES. 2012 [cited 2022August12];20(1):58-64. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=274349



IEEE: Copy

VALADBEIGI, H., SADEGHIFARD, N., RAFIEI TABATABAEI, R., MALEKI, A., 2012. A STUDY ON THE FREQUENCY OF TOXIN A, ALGINATE GENES, AND OF CLINICAL PSEUDOMONAS AEROGINOSA STRAINS. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, [online] 20(1), pp.58-64. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=274349.
 
 
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