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Information Journal Paper

Title

Survey on Biofilm Production and Presence of Attachment Factors in Human Uropathogenic Strains of Escherichia coli

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Abstract

 Background: Escherichia coli is one of the mostcommoncauses of different infections. Biofilm structure allows the strains to persist on the biotic and abiotic surfaces for a long time and impairs eradication. Surface colonization of E. coli could be done with several extracellular appendages, which are effective productive events leading to Biofilm maturity. Objectives: In this study, the possible relationship between the presence of fimA (encoding large subunit of Type I Fimbriae) and csgA (encoding Curli Fimbriae) genes with Biofilm formation in extraintestinal pathogen E. coli isolates was evaluated. Methods: For this study, 35 isolates of E. coli were collected from human urine samples of those referred to oil big hospital. After isolating and identifying E. coli strains by common biochemical tests, we examined the Biofilm formation of isolates in brain heart infusion broth, which contained 3% sucrose, using microtiter plate crystal violet method. Presence of the 2 studied genes in the isolates was evaluated using multiplex polymerase chain reaction (m-PCR) assay. Results: In the present study, 27 strains from 35 isolates were expressed in the 2 studied attachment-associated factors, but 5 and 2 strains were expressed by csgA and fimA, respectively. Except 2 strains that could not produce Biofilm, 1 strain was detected as a moderate Biofilm producer, and the 32 remaining strains were detected as weak Biofilm producers. Conclusions: All the positive and the 2 negative Biofilm producer strains could be expressed in the 2 studied genes. The correlation between the presence of studied genes and Biofilm production ability was suspected, but because of the high percentage of Biofilm production in the studied strains, the need to use good hygiene practices is highly recommended.

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    APA: Copy

    MOORI BAKHTIARI, NAGHMEH, & Javadmakoei, Shahab. (2017). Survey on Biofilm Production and Presence of Attachment Factors in Human Uropathogenic Strains of Escherichia coli. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), 10(6), 0-0. SID. https://sid.ir/paper/317966/en

    Vancouver: Copy

    MOORI BAKHTIARI NAGHMEH, Javadmakoei Shahab. Survey on Biofilm Production and Presence of Attachment Factors in Human Uropathogenic Strains of Escherichia coli. JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM)[Internet]. 2017;10(6):0-0. Available from: https://sid.ir/paper/317966/en

    IEEE: Copy

    NAGHMEH MOORI BAKHTIARI, and Shahab Javadmakoei, “Survey on Biofilm Production and Presence of Attachment Factors in Human Uropathogenic Strains of Escherichia coli,” JUNDISHAPUR JOURNAL OF MICROBIOLOGY (JJM), vol. 10, no. 6, pp. 0–0, 2017, [Online]. Available: https://sid.ir/paper/317966/en

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